Entries |
Document | Title | Date |
20080200179 | Method and Apparatus for Enhancing System Efficiency in a Wireless Communications System - A method for enhancing system efficiency in a wireless communications system includes allocating a plurality of common H-RNTIs to a plurality of UEs groups each comprising zero or at least one UE, and each UE of a UE group maintaining, acquiring, or being assigned, configured, or signalled a common H-RNTI of the plurality of common H-RNTIs when the UE group operates in a CELL_FACH state. | 08-21-2008 |
20080207215 | FAIR CHANNEL USE IN A WIRELESS AREA NETWORK - Fair usage of working channels in a wireless network is disclosed. A base station associated with a cell within a wireless community monitors the congestion of the working channel of neighboring communities. Upon determining that the congestion of the working channel of a neighboring community is less than that of its existing working channel, the base station initiates a switch to the neighboring community's working channel. Upon joining the new community, the frame structure and other networking parameters and attributes are adjusted. | 08-28-2008 |
20080214200 | Apparatus and Method For Resource Sharing Between a Plurality of Communication Networks - An apparatus for resource sharing between a plurality of communication networks ( | 09-04-2008 |
20080214201 | PILOT GROUPING IN WIRELESS COMMUNICATION NETWORKS - Systems and techniques for grouping channels, such as pilots, are described. In one aspect, a method includes receiving transmissions of two or more pilot signals at an access terminal of a wireless communications network that includes an access node, based on characteristics of the transmissions of the two or more pilot signals from the access node to the access terminal, determining whether the two or more pilot signals are suitable for grouping and indicating of the suitability of the two or more pilot signals for grouping by sending a pilot information report for the pilot group to the access node. | 09-04-2008 |
20080220792 | Method for Efficient Radio Resource Management - An improved admission control procedure for an admission control entity (e.g., Radio Network Controller (RNC), Node B, etc.) in a network that admits a terminal (mobile station, user equipment, etc.) having a certain receiver performance. Without improperly assuming one receiver performance or referring to a reference minimum receiver performance to calculate the resources that will be used, more accurate radio resources that should be used by the terminal when admitted to the cell can be determined by using appropriate information about the receiver performance of the terminal to be admitted. | 09-11-2008 |
20080220793 | Apparatus and method for allocating resource in wireless communication system - Provided is an apparatus and method for allocating resources in a wireless communication system. In method, whether there are one or more mobile stations periodically transmitting or receiving data of the same size, among mobile station to be provided with a service is determined if a predetermined region of a frame is set as a fixed region to be allocated to mobile stations that periodically transmit or receive data of the same size. The channel states of the mobile stations are detected if there are mobile stations periodically transmitting or receiving data of the same size. Resources of the fixed region are allocated according to the channel states of the mobile stations. The resource allocation information is transmitted to the mobile stations. | 09-11-2008 |
20080227461 | DATA TRANSMISSION AND POWER CONTROL IN A MULTIHOP RELAY COMMUNICATION SYSTEM - Techniques for transmitting data with distributed and centralized scheduling in a multihop relay communication system are described. For distributed scheduling, a relay station may generate and send first channel quality information (CQI) to a base station and receive second CQI from a subscriber station. The relay station may receive data sent by the base station based on the first CQI and may resend the data to the subscriber station based on the second CQI. For centralized scheduling, the relay station may generate first CQI for the base station, receive second CQI from the subscriber station, and send both CQIs to the base station. The relay station may receive data sent by the base station based on the first CQI and may resend the data to the subscriber station based on a scheduling decision determined based on the second CQI. Techniques for distributed and centralized power control are also described. | 09-18-2008 |
20080233967 | BACKHAUL COMMUNICATION FOR INTERFERENCE MANAGEMENT - System(s) and method(s) are provided for inter-cell interference management in a wireless communication system. A base station perform interference management by conveying and receiving load indicator messages over a backhaul communication link to disparate neighboring base stations that serve interfering mobile stations. Reporting of load indicators takes place according to a reporting policy that is event-based, and accounts for variations of interference metrics over available time-frequency resources. Communication with neighboring base stations is limited to a monitoring interference set, which can be determined statically, according to deployment characteristics of a wireless network, or the set can be adjusted dynamically according to a set of received UL signals or a set of DL CQI measurement reports. Reporting policy and interference set can be autonomously adapted to optimize backhaul traffic as well as interference control. | 09-25-2008 |
20080233968 | Apparatus and method for downlink scheduling in a multi antenna wireless communication system - An apparatus and method for downlink scheduling in a multi antenna wireless communication system are provided. The apparatus includes a receiver for receiving channel information of at least one mobile station that is selected as an active user by a base station, a judgment unit for judging whether it feeds back its own channel information using the channel information of the selected at least one mobile station, and a transmitter for transmitting the its own channel information to the base station according to judgment of the judgment unit. | 09-25-2008 |
20080268862 | METHOD AND SYSTEM FOR BEST-M CQI FEEDBACK TOGETHER WITH PMI FEEDBACK - Aspects of a method and system for best-M CQI feedback together with PMI feedback may include generating a plurality of feedback messages, which may be communicated from a mobile station to a base station, wherein at least one of the generated plurality of feedback messages may be associated with each corresponding selected one of a plurality of Channel Quality Indicator (CQI) reporting units. The at least one of the generated feedback messages may comprise CQI information and Pre-coding Matrix Index (PMI) information, which may both be associated with the selected one of the plurality of CQI reporting units. At least one other of the generated plurality of feedback messages may comprise an aggregate CQI information, which is based on one or more of the plurality of CQI reporting units. | 10-30-2008 |
20080268863 | Method and Apparatus for Reporting Channel Quality - An approach is provided for efficient signaling for reporting of channel quality information. A parameter is set for a silent period associated with reporting of channel quality information. The channel quality information is transmitted by the terminal only during a time instant outside of the silent period. The silent period is a time interval before transmission of the quality information by the terminal to an inactive state from an active state. | 10-30-2008 |
20080287138 | Method for Requesting and Reporting Channel Quality Information in Wireless System and Apparatus Thereof - The subscriber station of claim 15, wherein the uplink data includes data to be transmitted, and a header having information on the data and the subscriber, and the uplink data generator adds the subheader includDisclosed is a method and device for requesting and reporting channel quality information in a mobile communication system. An uplink radio resource for a subscriber station having data to transmit is allocated and a CQI indicator for requesting channel quality information is added to the allocation information to be transmitted to a subscriber station. The subscriber station having received the uplink radio resource allocation information generates channel quality information by measuring the radio channel quality for communication with the base station according to existence of the indicator and transmits desired uplink data having the generated channel quality information to the base station. As a result, the seamless and efficient channel quality report can be performed in the wireless communication system, and the optical modulation and the channel coding level can be adapted for the subscriber to transmit or receive the data corresponding to the channel quality. ing the channel quality information to the header of the uplink data. | 11-20-2008 |
20080293428 | Adaptive and Scalable Qos Architecture for Multi-Bearer Multicast/Broadcast Services - The invention relates to a method for filtering and a network entity of the core network or the radio access network of a mobile communication system filtering streams belonging to a single user service. The packet streams, each being transported by a bearer service, provide a multicast or broadcast service and is delivered from a service center via the network entity to a mobile terminal. The network entity comprises a service manager providing a quality-of-service management function. The invention further relates to a communication system comprising the network entity. To provide an adaptive multimedia broadcast/multicast service QoS architecture that is scalable to a great number of users, the invention suggests providing the service in form of a packet streams, each being provided via a single bearer service, and equipping nodes within the distribution tree of the service filter capability allowing to (de)register bearer services providing the service based on the downlink quality-of-service constraints obtained from a service manager. | 11-27-2008 |
20080299985 | Downlink Traffic Channel Resoure Allocation Method and Data Transmission Method for Multi-Carrier Hsdpa - The present invention discloses a method of allocating downlink traffic channel resources for multi-carrier HSDPA, and the method includes: first of all, selecting a carrier with the optimum channel condition; determining whether the carrier meets the resource allocation demand of a downlink traffic channel, if yes, allocating resources that meet the downlink traffic channel on the carrier; otherwise, allocating the available resources of the carrier to the downlink traffic channel, and selecting a carrier with the optimum channel condition from the remaining carriers for resource allocation according to the remaining resource allocation demand of the downlink traffic channel. The present invention provides, according to the transmission characteristic of the existing HSDPA multi-carrier, a method for allocating downlink traffic channel resources, which method is applicable for packet data transmission of the multi-carrier HSDPA. | 12-04-2008 |
20090005060 | WIRELESS COMMUNICATION SYSTEM, WIRELESS BASE STATION, WIRELESS TERMINAL AND COMMUNICATION CONTROL METHOD OF THE WIRELESS COMMUNICATION SYSTEM - A wireless access terminal, after handoff, adds channel quality information calculated in the wireless access terminal to a header of transmit data and transmits this data until a wireless base station succeeds in receiving at least one or more packets. The wireless base station, when having succeeded in receiving a packet for the first time after the handoff, extracts the channel quality information from a received header to initialize channel quality information inside the wireless base station. Subsequently, the wireless base station autonomously updates the channel quality information in response to success or failure of packet reception and controls the transmission rate. | 01-01-2009 |
20090011771 | TRANSMISSION POWER CONTROL METHOD AND APPARATUS FOR MOBILE COMMUNICATION SYSTEM - A transmission power control apparatus is adapted to control a reference value for controlling a transmission power of a mobile terminal equipment based on a reception quality of a plurality of radio access bearers at a base station apparatus, with respect to a physical channel to which the plurality of radio access bearers are mapped, when making a radio connection between the mobile terminal equipment and the base station apparatus in a mobile communication system. The transmission power control apparatus includes a judging part configured to judge whether or not a radio access bearer that is a monitoring target of the reception quality is an audio transmission radio access bearer in a silent state, based on multiplexed information; and a switching part configured to switch the radio access bearer that is the monitoring target of the reception quality to a radio access bearer other than the audio transmission radio access bearer in the silent state, if the judging part judges that the radio access bearer than is the monitoring target of the reception quality is the audio transmission radio access bearer in the silent state. The reference value for controlling the transmission power of the mobile terminal equipment is controlled based on a reception quality of the radio access bearer other than the audio transmission radio access bearer in the silent state. | 01-08-2009 |
20090017836 | Capacity Scheduling Method and System - Flow capacity controllers (FCC) are provided in each mobile station to compute an uplink capacity for each data flow according to a QoS. A capacity request controller (CRC) changes a capacity request in consideration of the priority level of each data flow and transmits the changed capacity request to the base station. A capacity scheduler (CS) provided in the base station computes an allowable capacity according to the capacity request and transmits the capacity allocation from the base station to the mobile station. | 01-15-2009 |
20090023454 | METHOD AND SYSTEM FOR UTILIZING PLURALITY OF PHYSICAL LAYERS TO RETAIN QUALITY OF SERVICE IN A WIRELESS DEVICE DURING A COMMUNICATION SESSION - A wireless mobile communication (WMC) device may be determine a quality of service (QOS) required to communicate data. The WMC device may utilize a plurality of physical layers available in the WMC device to retain the QOS throughout the data communication. The physical layers may comprise a plurality of wireless technologies and/or a plurality of transmission power levels within each wireless technology. Selection of physical layers that may be utilized may comprise determination of available QOS through the physical layers, available power in the WMC device, and/or power requirement for communicating data via the physical layers. Data encoding may also be utilized to alter size of communicated data while retaining the required QOS. Data encoding may comprise utilizing encoding schemes, data compression, and/or redundancy bits. A set of deadlines may be utilized to enable switching between available physical layers to ensure maintaining and/or achieving required QOS. | 01-22-2009 |
20090029714 | METHOD OF ALLOCATING BANDWIDTH FOR TRANSMISSION OF CHANNEL QUALITY INFORMATION - The present invention provides a method of allocating bandwidth for transmission of channel quality information. The method includes reducing a bandwidth allocated to transmission of channel quality information over an air interface in a first direction in response to determining that traffic over the air interface in the first direction has increased. | 01-29-2009 |
20090054074 | Methods, Devices and Computer readable Media for Providing Quality of Service Indicators - Provided are exemplary embodiments including a methods, software and devices for providing Quality of Service (“QoS”) information the user of a mobile communications device while present at a geographic position. The embodiments include methods and devices for receiving a communication signal on a wireless communication device while located at the geographic location, measuring a characteristic of the communication signal pertinent to the proper operation of the wireless computing device in addition to signal strength; and providing a cognizable rendition of the quality of the characteristic to the user by the wireless communication device. The cognizable rendition may be a bar indicator or other audio, visual, vibratory, olfactory or tactile indicator. | 02-26-2009 |
20090075668 | Method of indicating packet waiting time in wireless packet data systems - The present invention provides a method for indicating packet waiting time in wireless packet data systems. A mobile unit determines a packet waiting time measurement of an amount of time that a data packet has been waiting in a buffer of a mobile unit. The mobile unit then transmits the packet waiting time measurement to a base station. | 03-19-2009 |
20090075669 | METHOD OF OPERATING A WIRELESS COMMUNICATIONS NETWORK, AND WIRELESS COMMUNICATIONS NETWORK IMPLEMENTING THE METHOD - A method of operating a wireless communications network is adapted to provide services to users exploiting a first and a second different radio communications technologies, for example, an enhanced general packet radio service network. The method includes: providing, in a user profile available at the network, a subscription indication adapted to indicate that the user has subscribed for being provisioned with the network services through the first radio communication technology, upon reception by the network of a capability indication from the user adapted to indicate to the network that the user supports the first radio communications technology, looking up the user profile for the presence of the subscription indication; and in case the subscription indication is not found, handling the user as if supporting the second radio communications technology but not the first radio communications technology. | 03-19-2009 |
20090082031 | Apparatus and method for band allocation scheduling in multi-band communication system - Provided is an apparatus and method for band allocation scheduling in a multi-band communication system. In the method, transmission (TX) signals are classified into at least one of a control signal, a broadcast signal and a signal requiring a short latency, and other user signal by considering the types of the TX signals. A band of a frequency lower than a reference frequency among the multiple bands is allocated to a signal classified as at least one of the control signal, the broadcast signal and the signal requiring a short latency. A band of a frequency higher than the reference frequency is allocated to a signal classified as the other user signal. | 03-26-2009 |
20090088177 | COLLOCATED RADIO COEXISTENCE METHOD - A collocated radio coexistence method is disclosed. The method operates in the frequency domain to protect WiMAX downlink traffic from narrow band interference (e.g. harmonics) caused by other collocated radios, such as GSM 800 MHz, operating simultaneously with an 802.16-capable (WiMAX) radio in a multiple radio coexistence platform (MRP). | 04-02-2009 |
20090104915 | TELECOMMUNICATION AND MULTIMEDIA MANAGEMENT METHOD AND APPARATUS - An apparatus for transferring a complete copy of media designated as time-sensitive over a network. The apparatus includes a sending node including a transmitter configured to transmit media designated as time-sensitive to a receiving node. The sending node also includes a network-ascertaining element that is configured to receive receipt reports from the receiving node, the receipt reports identifying any missing media designated as time sensitive lost during the transmission. In response, the transmitter of the sending node retransmits the media corresponding to the identified missing media, the retransmission occurring when bandwidth on the network in excess of what is needed to transmit time-sensitive media becomes available. A complete copy of the media is eventually received at the receiving node after the retransmission. | 04-23-2009 |
20090111480 | SYSTEMS AND METHODS FOR TRANSMITTING CONTROL INFORMATION VIA A CONTROL SIGNALING CHANNEL - A method for transmitting control information may include providing formatting rules that define a format for transmission of the control information to a base station via a control signaling channel. The control information may include a channel quality indicator (CQI), an acknowledgement/non-acknowledgement (ACK/NACK), a pre-coding matrix indicator (PMI), and rank information. The method may also include providing combination rules as part of the formatting rules. The combination rules may define how the CQI, the ACK/NACK, the PMI, and the rank information are combined for transmission on the control signaling channel. The method may also include transmitting the control information to the base station via the control signaling channel in accordance with the defined formatting rules. | 04-30-2009 |
20090111481 | METHOD FOR PREDICTING AIR INTERFACE CAPACITY BASED ON PERFORMANCE MEASUREMENTS - The present invention provides a method of wireless telecommunications in a wireless telecommunications network that provides a plurality of service types. The method includes accessing at least one first performance measurement associated with the wireless telecommunications network and determining at least one load associated with at least one of the plurality of service types based on the at least one performance measurement. | 04-30-2009 |
20090131066 | TECHNIQUES FOR IMPROVING CHANNEL QUALITY ESTIMATES IN WIRELESS COMMUNICATION SYSTEMS - A technique for operating a wireless communication device includes determining mobility of a subscriber station. A channel quality indicator averaging parameter is then adjusted based on the mobility of the subscriber station. | 05-21-2009 |
20090131067 | Methods, Systems, and Computer-Readable Media for Mitigating a Temporary Interference Condition - Methods, systems, and computer-readable media for mitigating a temporary interference condition are provided. The temporary interference condition is predicted between a first cellular device and a second cellular device prior to an occurrence of the temporary interference condition. A mitigation action for mitigating the temporary interference condition is identified. A schedule and a scale or scaling for the mitigation action are determined. The mitigation action is implemented in accordance with the schedule and the scale or scaling to mitigate the temporary interference condition during the occurrence of the temporary interference condition. | 05-21-2009 |
20090131068 | OPPORTUNISTIC UPLINK SCHEDULING - Systems and methodologies are described that facilitate scheduling uplink transmissions. For instance, a time sharing scheme can be utilized such that differing mobile devices can be scheduled to transmit during differing time slots; however, it is also contemplated that a static scheme can be employed. Pursuant to an illustration, an interference budget can be combined with a time varying weighting factor associated with a base station; the weighting factor can be predefined and/or adaptively adjusted (e.g., based upon a load balancing mechanism). Moreover, the weighted interference budget can be leveraged for selecting mobile devices for uplink transmission (e.g., based at least in part upon path loss ratios of the mobile devices). Further, disparate interference budgets can be utilized by differing channels of a sector at a particular time. Also, for example, a base station can assign a loading factor to be utilized by wireless terminal(s) for generating channel quality report(s). | 05-21-2009 |
20090131069 | OPPORTUNISTIC UPLINK SCHEDULING - Systems and methodologies are described that facilitate scheduling uplink transmissions. For instance, a time sharing scheme can be utilized such that differing mobile devices can be scheduled to transmit during differing time slots; however, it is also contemplated that a static scheme can be employed. Pursuant to an illustration, an interference budget can be combined with a time varying weighting factor associated with a base station; the weighting factor can be predefined and/or adaptively adjusted (e.g., based upon a load balancing mechanism). Moreover, the weighted interference budget can be leveraged for selecting mobile devices for uplink transmission (e.g., based at least in part upon path loss ratios of the mobile devices). Further, disparate interference budgets can be utilized by differing channels of a sector at a particular time. Also, for example, a base station can assign a loading factor to be utilized by wireless terminal(s) for generating channel quality report(s). | 05-21-2009 |
20090143073 | Method and Apparatus for Smart Beam Selection in a Smart Antenna System - A method of beam selection in a smart antenna system is provided. The method includes receiving a plurality of uplink beams by a plurality of receivers, each corresponding with one of the plurality of uplink beams. Each uplink beam includes signals transmitted by a mobile station. The method further includes analyzing each of the plurality of uplink beams and selecting an uplink beam from the plurality of uplink beams based at least in part on the analysis of the uplink beams. The method further includes switching to the selected beam in real time to allow the signals communicated in the selected beam to be communicated to a base station transceiver. | 06-04-2009 |
20090143074 | METHOD AND APPARATUS FOR CONTROL OF UPLINK FEEDBACK INFORMATION IN CONTENTION BASED ACCESS IN WIRELESS COMMUNICATIONS - A method and apparatus for control of uplink feedback information in contention based wireless communications is disclosed. Uplink feedback information such as a channel quality information and hybrid automatic retransmission request (HARQ) acknowledgement/negative acknowledgement (ACK/NACK) information may be transmitted to the universal terrestrial radio access network (UTRAN) by a wireless transmit/receive unit (WTRU) based on explicit and implicit triggers. Providing more frequent and robust information relating to the channel conditions and HARQ status allows the UTRAN to more efficiently utilize the radio resources for downlink data transmissions. | 06-04-2009 |
20090143075 | MOBILE STATION, BASE STATION, COMMUNICATIONS SYSTEM, AND COMMUNICATION METHOD - A mobile station comprises a reception unit configured to receive a signal transmitted from a base station; a selection unit configured to select a communication area to perform communication from a plurality of communication areas based on traffic load in the plurality of communication areas where the reception unit can receive the signal; and a notification unit configured to notify the base station of the communication area selected. Another mobile station comprises a reception unit configured to receive a signal transmitted from a base station; a calculation unit configured to calculate a ratio of an average reception quality value over a short period to an average reception quality value over a long period; and a selection unit configured to select a communication area to perform communication from a plurality of communication areas where the reception unit can receive the signal, based on the ratio. | 06-04-2009 |
20090163222 | METHOD FOR PERFORMING RESOURCE ALLOCATION IN A WIRELESS COMMUNICATION NETWORK, BASE STATION AND WIRELESS COMMUNICATION NETWORK - The present invention relates to a method for performing resource allocation to a mobile terminal ( | 06-25-2009 |
20090181692 | RESOURCE ALLOCATION RANDOMIZATION - Different sequence resources can be allocated to a mobile device where the mobile device can exclusively uses the sequence resource with regard to a base station during a communication session. However, if another mobile device using another base station is assigned a matching sequence resource, then there can be interference if the mobile devices are relatively close enough together. Therefore, randomization of the sequence resources can take place—moreover, a cyclic shift result can be employed in sequence resource allocation to attempt to minimize interference. | 07-16-2009 |
20090186626 | Allocating Code Space to Base Stations - In addition to other aspects disclosed, a portable base station requests a mobile handset to measure signal strengths associated with a portion of a code space. The portable base station also sends a message that represents the signal strength measurements to a remotely located control station. | 07-23-2009 |
20090191890 | ADAPTIVE TRANSMISSION OF RESOURCE UTILIZATION MESSAGES - An adaptive scheme controls the transmission of interference management messages by wireless nodes. For example, the adaptive scheme may be used to determine whether and/or how to transmit resource utilization messages. Such a determination may be based on, for example, comparison of a quality of service threshold with a current quality of service level associated with received data. A quality of service threshold may be adapted based on the effect of previously transmitted resource utilization messages. A quality of service threshold for a given wireless node may be adapted based on the frequency at which the wireless node transmits resource utilization messages. A quality of service threshold for a given wireless node may be adapted based on information received from another wireless node. An adaptation scheme also may depend on the type of traffic received by a given wireless node. A quality of service threshold also may be adapted based on throughput information. | 07-30-2009 |
20090197611 | MEHTODS AND SYSTEMS FOR SUBSCRIBER STATION-BASED ADMISSION CONTROL - A method for subscriber station-based admission control may include determining that there is demand for a new connection at the subscriber station. The method may also include determining whether the new connection should be admitted based on resource availability. The method may also include sending a request for the new connection to a base station if it is determined that the new connection should be admitted. | 08-06-2009 |
20090233616 | METHOD OF CONTROLLING BASE STATIONS TO SUPPRESS INTER-CELL INTERFERENCE - A method of controlling base stations that is capable of suppressing inter-cell interference and efficiently utilizing available resources. According to one aspect, information received on path loss from a terminal is used to determine a time region for the terminal based on the path loss information. Communication with the terminal is performed within the determined time region. According to another aspect, information received on path loss from a terminal is used to determine a frequency region for the terminal based on the path loss information. Communication with the terminal is performed within the determined frequency region. According to yet another aspect, information received on path loss from a terminal is used to determine a code region for the terminal based on the path loss information. Communication with the terminal is performed within the determined code region. | 09-17-2009 |
20090233617 | Intelligent Sector Channel Allocation - Allocation of a plurality of channels in a wireless network is described. The allocation process has each base station serving the sectors in the network scan each unused channel of the plurality of channels in its served sector. The signal quality of each scanned, unused channel is measured and sorted according to the measured signal quality. The quality-sorted unused channels are then ordered according to a statistical algorithm. An ordered list of available channels is generated according to results of the statistical algorithm ordering. This ordered list is broadcast to each access terminal (AT) registered with the base station. New communication between the base station and its registered ATs is then initiated using one of the unused channels in the ordered list. | 09-17-2009 |
20090239547 | Wireless Communication System and Method of Assigning Wireless Resources in the Same System and Controller - A controller which is assigned with the wireless resources for a plurality of wireless zones and a plurality of wireless base stations communicably connected to the controller, wherein the controller is operable to assign a part of the assigned wireless resources to the wireless zone formed by any of the wireless base stations. According to this, it is possible to introduce and run a great number of wireless base stations at a low cost without increasing or modifying the number of the superordinate devices such as RNC. | 09-24-2009 |
20090247180 | APPARATUS AND METHOD FOR DECIDING UPLINK TRANSMISSION PARAMETERS - An apparatus for determining uplink transmission parameters includes a reception unit receiving a channel quality indicator from a mobile station; a storage unit storing relationships among a channel quality indicator, a modulation scheme and a channel coding rate for an uplink, and one or both of transmission power and transmission bandwidth for a mobile station; a determination unit determining a set of transmission parameters based on the relationship; and a transmission unit transmitting the set of transmission parameters to the mobile station. | 10-01-2009 |
20090247181 | LONG-TERM INTERFERENCE MITIGATION IN AN ASYNCHRONOUS WIRELESS NETWORK - Techniques for mitigating interference in a wireless communication network are described. A terminal may desire to communicate with a weaker serving base station and may observe high interference from a strong interfering base station. The two base stations may be asynchronous and have different frame timing. In an aspect, high interference may be mitigated by having the interfering base station reserve downlink and/or uplink resources. The interfering base station may transmit at a low power level or not at all on the reserved downlink resources to reduce interference to the terminal. Terminals served by the interfering base station may transmit at a low power level or not at all on the reserved uplink resources to reduce interference at the serving base station. The terminal may then be able to communicate with the serving base station. | 10-01-2009 |
20090247182 | BASE STATION APPARATUS AND CHANNEL ALLOCATION METHOD - A base station includes an adaptive control unit for obtaining weights (w | 10-01-2009 |
20090270108 | SYSTEMS AND METHODS FOR MEASURING CHANNEL QUALITY FOR PERSISTENT SCHEDULED USER EQUIPMENT - A method for measuring the quality of a channel for persistent scheduled user equipment (UE) in a communications system is described. Frequency location information for at least one physical resource block (PRB) for a Physical Downlink Shared Channel (PDSCH) is received. The quality of a channel associated with at least one frequency sub-band of the frequency location information is measured. A channel quality indicator (CQI) corresponding to the measured channel quality is transmitted. | 10-29-2009 |
20090275342 | BASE STATION, MOBILE STATION, AND CHANNEL QUALITY INFORMATION REPORTING METHOD - A channel quality information reporting method includes a setting step, wherein the number N of blocks for which the mobile station reports channel quality information among the M blocks is set in accordance with an amount of traffic; a reporting step, wherein the base station reports the number N of blocks to the mobile station; a receiving step, wherein the mobile station receives the number N of blocks from the base station; a selecting step, wherein the mobile station selects N pieces of channel quality information from M pieces of channel quality information corresponding to the M blocks; an averaging step, wherein the mobile station averages pieces of channel quality information excluding the selected N pieces of the channel quality information; and a reporting step, wherein the mobile station reports the N pieces of channel quality information and the averaged channel quality information to the base station. | 11-05-2009 |
20090280822 | Adjusting the Targeted Number of Transmission Attempts - The invention is directed towards a method and transmission attempt determining device for adjusting the targeted number of transmission attempts in uplink communications between mobile stations and a cell in a wireless network handled by a cell handling device. According to the invention measurement data (RC) of radio conditions and service requirement data (SR) of the uplinks for mobile stations are obtained ( | 11-12-2009 |
20090286546 | Apparatus and method for avoiding interference between base station and relay station when using full duplex relay in a multi hop relay system - An apparatus and method for avoiding interference between a base station and a relay station when using full duplex relay in a multi-hop relay wireless communication system are provided. An operation of a mobile station includes measuring an strength of a receive signal from a base station and an strength of a receive signal from an relay station, calculating a receive signal strength ratio of base station to relay station by dividing the strength of the receive signal from the base station by the strength of the receive signal from the relay station, determining if interference occurs using the receive signal strength ratio, and transmitting a control message representing if interference occurs. | 11-19-2009 |
20090286547 | SEMI-STATIC BEAMFORMING METHOD AND APPARATUS THEREOF - A beamforming method in a base station for a mobile communication system, the communication system comprising at least a cell, the method comprising the steps of: covering at least a portion of the cell with a broadcast beam; assigning a streaming beam for each active mobile station on the portion of the cell, if a number of active mobile station on the portion is smaller than a first threshold, wherein a direction of the beams is adjusted according to a position of the active mobile stations. The method further comprises selecting a group of active mobile stations by obtaining at least two active mobile stations with a closest angular distance of all possible pairs of active mobile stations and assigning a single streaming beam to the group of active mobile station, if the number of active mobile stations is bigger than the first threshold. | 11-19-2009 |
20090291692 | Measurement-Assisted Dynamic Frequency-Reuse in Cellular Telecommunications Networks - A radio network resource controller directs a first network node associated with a first cell region, or a wireless terminal in communication through the first cell region, to measure and report radio resource-related data selected from the group consisting of: resource activity per channel; the number of transmitted power samples that exceed a threshold over a measurement period; and, channel quality samples that exceed a quality threshold. The controller then receives at least one measurement report of the radio resource-related data and, as a function of the radio resource-related data in the first cell region, dynamically reallocates the distribution of resources, such as radio-frequency channels associated with uplink and downlink communications, between the first cell region and at least a second cell region. The invention has a particular advantage in time division duplex (TDD) mode of operation where efficient and dynamic interference mitigation is needed to combat the inherent mobile-to-mobile and base station-to-base station interference. | 11-26-2009 |
20090298509 | RADIO TRANSMISSION DEVICE AND RADIO TRANSMISSION METHOD - Disclosed are a radio transmission device and a radio transmission method capable of reducing a reception error of a user at other cell and improving transmission efficiency at the other cell when frequency scheduling is combined with beam forming. In the device and the method, a beam allocation table storage unit ( | 12-03-2009 |
20090298510 | METHOD OF PERFORMING SCHEDULING IN A WIRED OR WIRELESS COMMUNICATION SYSTEM AND APPARATUS THEREOF - A method of performing scheduling and a method of controlling call admission in a communication system are disclosed. A method of controlling call admission a new user equipment which enters a network in a communication system includes performing scheduling by giving priority lower than that of a user equipment which is previously receiving a service to the new user equipment, and determining whether to admit call of the new user equipment depending a result of scheduling for a certain time period. | 12-03-2009 |
20090305715 | CHANNEL QUALITY REPORTING IN A WIRELESS COMMUNICATION SYSTEM - A wireless communication system comprises a scheduler for scheduling air interface data for a plurality of user equipments. A control channel scheduler estimates a scheduling time for a scheduling of air interface data to a first user equipment of the plurality of user equipments in response to a current scheduling metric for the first user equipment and a reporting processor generates a channel quality reporting request for the user equipment in response to the scheduling time. The channel quality reporting request is transmitted to the user equipment which proceeds to provide channel quality reports in accordance with the request. The approach may improve performance in a wireless communication system by reducing channel reporting resource requirements while still providing channel quality information when needed. The invention may be particularly suitable for a Long Term Evolution 3 | 12-10-2009 |
20090305716 | TRANSMISSION PERIOD CONTROL METHOD OF RADIO RESOURCE ALLOCATION REQUEST - Transmission period of scheduling request SR to be optimal is adaptively controlled for each user terminal, so that useless SR transmission is reduced. For the controlling, a base station modifies a transmission period of a radio resource allocation request in an adaptive manner during communication based on communication quality between with a user terminal; notifies the user terminal of the modified transmission period of the radio resource allocation request; and transmits the radio resource allocation request requesting the radio resource from the user terminal to the base station at the notified transmission period. | 12-10-2009 |
20090312030 | RELAY STATION, TERMINAL AND BASE STATION IN CELLULAR SYSTEM, AND METHOD FOR RELAYING BETWEEN TERMINAL AND BASE STATION - Disclosed are a base station, a relay station, and a terminal according to a method for designing a cellular system for improving resource usage efficiency by reducing interference between relay stations and interference between the base station and the relay station. The relay station gets control signals that terminals served by the base station transmit, and registers terminals, levels of the control signals of which are bigger than a predetermined value, to a list of the interference terminals. The relay station checks an interference resource through resource allocation information of the base station, checks an available resource corresponding to a resource except the interference resource among a resource allocated by the base station, and allocates some of the available resource to the terminal. | 12-17-2009 |
20090325589 | Filter Arrangement Dependent on Occupation of an Adjacent Band - In a method for communication by radio afrequency band that is subdivided into a plurality of subbands is used. Subbands are occupied by radio stations for sending signals. Before sending a signal, a radio station carries out a filtering operation by using a filter function and sends the signal on at least one subband. A parameter of the filter function depends on the occupation of at least one subband adjacent to the at least one subband. | 12-31-2009 |
20090325590 | Inter-cell interference avoidance for downlink transmission - A system and method for inter-cell interference avoidance. A base station is configured to perform interference avoidance. The base station receives feedback information from either a second base station or a subscriber station served by the second base station. The base station selects a codebook vectors or matrices for transmission to subscriber stations based, at least in part, on a portion of the feedback information. The base station is further configured to select which subscriber stations will participate in interference avoidance calculations. | 12-31-2009 |
20090325591 | Downlink wireless transmission schemes with inter-cell interference Mitigation - A system and method for inter-cell interference avoidance. A device capable of performing channel estimation is configured to divide a codebook into two sets. A first set of said two sets corresponds to codebook information that will cause an interference in a received signal to be less than a threshold. The device further is configured to send feedback information corresponding to the first or second set, or both. A base station is configured to select a preceding vector or matrix based, in part, on a portion of the feedback information. | 12-31-2009 |
20100003999 | MOBILE COMMUNICATION SYSTEM HAVING RADIO ACCESS NETWORK AND METHOD CONTROLLING CALL PROCESSING LOAD THEREOF - A mobile communication system structured in a radio access network having a base station, a control station, and a switch network for matching a mobile station and a core network, the control station comprising a traffic signal process; a control signal processor; a call process load controller; and a call processor, wherein the call process load controller refers to information on call process volume included in a call process volume request message sent from the call processor and the traffic signal processor, selects the corresponding call processor and traffic signal processor according to weight estimated based on software and hardware performance, and sends the call control service request message containing information on the selected traffic signal processor to the selected call processor. | 01-07-2010 |
20100009695 | COMMUNICATION SYSTEM TO PERFORM LENDING AND/OR BORROWING OF A RADIO RESOURCE - A wireless communication system, and more particularly, a base station apparatus to lend an idle resource to another base station or to borrow an idle resource from another base station is provided. A borrowing base station apparatus includes a transmitter to transmit an idle resource borrowing message to a lending base station, and a receiver to receive, from the lending base station in response to the idle resource borrowing message, an idle resource lending message including information regarding whether to lend an idle resource of the lending base station, such that the transmitter transmits data to a terminal using the idle resource. The borrowing base station may borrow an idle resource from the lending base station to use the borrowed idle resource to perform data transmission. | 01-14-2010 |
20100015988 | Method and Arrangement for Allocating Radio Resources in a Communication System - The present invention relates to a method and an arrangement of facilitating the allocation of radio resources in a communication network, comprising a communication network node ( | 01-21-2010 |
20100029292 | SELECTION OF RADIO RESOURCES IN A RADIO COMMUNICATIONS NETWORK - The present invention relates to a method and apparatus for selecting radio resources for transmission of data over a radio link to which at least two resource units have been allocated. At least one resource unit is selected out of the allocated resource units, wherein the selection is determined in dependence of the result of checking whether values of a quality measure of the allocated resource units fall within a certain range. | 02-04-2010 |
20100035627 | METHOD AND APPARATUS FOR SUPPORTING DISTRIBUTED MIMO IN A WIRELESS COMMUNICATION SYSTEM - Techniques for supporting distributed MIMO are described. For multi-user distributed MIMO, a cell directs its transmit power toward a UE while reducing interference to UE(s) in neighbor cell(s). For single-user distributed MIMO, multiple cells concurrently send transmissions to a UE. In an aspect, a UE sends channel estimates for serving and non-serving cells to support multi-user distributed MIMO. Each cell may use the channel estimates to select UEs for data transmission and determine precoding vectors to use for data transmission to the selected UEs. In another aspect, a UE sends CQI information for serving and non-serving cells to support single-user distributed MIMO. Each cell may use the CQI information to select UEs for data transmission and determine modulation and coding schemes to use for the selected UEs. In yet another aspect, a UE determines CQI information for a serving cell by taking into account interference nulling by non-serving cells. | 02-11-2010 |
20100035628 | MINIMIZING INTER-FEMTOCELL DOWNLINK INTERFERENCE - A system and method for minimizing interference for mobile devices operating in a communication network that includes a centralized controller and a number of femtocells, each femtocell including a base station. The method calculates a power assignment priority for each femtocell, and determines a priority order of the femtocells, the priority order based on the power assignment priority calculated for each femtocell. The method calculates a power to assign to the base station for each femtocell based on the priority order. The method allocates a first portion of the power assigned to the base station for each femtocell as required for real-time traffic, and a second portion of the power assigned to the base station for each femtocell as required for non-real-time traffic. | 02-11-2010 |
20100041413 | RADIO BASE STATION DEVICE, RADIO TERMINAL DEVICE, AND RADIO COMMUNICATION SYSTEM - It is possible to provide a radio communication system, a radio base station device, and a radio terminal device capable of reducing the power consumption in a radio terminal device without thinning pilot signals used for measuring upstream line quality. In the radio base station device ( | 02-18-2010 |
20100041414 | MOBILE COMMUNICATION SYSTEM, MOBILE TERMINAL, BASE STATION, RADIO NETWORK CONTROLLER, INFORMATION RATE CONTROL METHOD THEREFOR AND PROGRAM THEREFOR - A method according to the present invention comprises determining an available information rate for communication, via a first base station, between a plurality of terminals and a second base station based on link capacity information for wireless communication between the first base station and the second base station, and controlling each of information rates for the communication between the plurality of terminals and the second base station based on the available information rate. Here, the plurality of terminals and the first base station being in a mobile object, the second base station being outside the mobile object. | 02-18-2010 |
20100048221 | SWITCHING BETWEEN DIFFERENT TRANSMIT/RECEIVE PULSE SHAPING FILTERS FOR LIMITING ADJACENT CHANNEL INTERFERENCE - A femtocell base station includes a transmitter that transmits downlink signals to a mobile station, a receiver that receives uplink signals from the mobile station, a standard transmit pulse-shaping filter, and a narrower transmit pulse-shaping filter that limits the bandwidth of the downlink signals to a greater extent than the standard transmit pulse-shaping filter. The femtocell base station also includes a standard receive pulse-shaping filter and a narrower receive pulse-shaping filter. The femtocell base station is configured to switch between the standard transmit pulse-shaping filter and the narrower transmit pulse-shaping filter, and to switch between the standard receive pulse-shaping filter and the narrower receive pulse-shaping filter. A mobile station may switch from a standard transmit pulse-shaping filter to a narrower transmit pulse-shaping filter to limit uplink interference. A mobile station may switch from a narrower transmit pulse-shaping filter to a standard transmit pulse-shaping filter to achieve a higher data rate. | 02-25-2010 |
20100062787 | COMMUNICATION QUALITY CONTROL SYSTEM - The present invention implements communication control with user's service subscription information reflected in a mobile communication network. A QoS control server for providing a communication quality control function of a network, a user information management server for managing user's service information, a service proxy server for transferring a service control message transmitted by a user to a service control server, a service relay server for relaying a message between service control servers in two different networks, and a service control server for exercising service control based on user service information are included. In user service start processing, the service control server or service relay server transmits a service control message inclusive of service subscription information acquired beforehand to the service proxy server. The QoS control server acquires the service subscription information from the service proxy server. Thus, subscriber information is reflected to communication quality control processing. | 03-11-2010 |
20100069081 | RESOURCE ALLOCATION - Resource allocation information is signalled to user devices (UE | 03-18-2010 |
20100069082 | METHOD FOR CONFIGURATING A FEEDBACK REGION IN WIRELESS COMMUNICATION SYSTEM - Provided is a method of configuring a feedback zone in an uplink zone of a frame. This method is for transmitting feedback data in a wireless communication system. The method sets the feedback zone between a relay station (RS) and a mobile station (MS) in addition to a feedback zone between the MS and a base station (BS), thereby preventing a transmission delay of the feedback data incurred by the RS. | 03-18-2010 |
20100069083 | SYSTEMS AND METHODS FOR PROVIDING DATA COMMUNICATIONS WITH BURST TRANSMISSIONS - Burst quality of service (QoS) mode uses a higher modulation rate and coding scheme for transmitting data blocks in a short period of time between a transmitting terminal and a user terminal experiencing a channel state above a certain threshold in a wireless communication system. Burst QoS may reduce data transmission time, thereby achieving a higher level of channel efficiency as well as a reduction in the consumption of power. In burst QoS mode, the channel state information (CSI) may be repeatedly measured. When the CSI is above a certain threshold, a higher rate modulation and coding (MC) scheme is used for burst data transmission. After the burst, a short sleep is triggered to reduce power consumption. | 03-18-2010 |
20100075692 | DYNAMIC QUALITY OF SERVICE CONTROL TO FACILITATE FEMTO BASE STATION COMMUNICATIONS - An exemplary method of facilitating communications involving a Femto base station (FBS) includes initiating a dedicated backhaul quality of service (QoS) request by the FBS. The request is based on at least an association between the FBS and a wireline backhaul resource used by the FBS. The QoS for the wireline backhaul resource is based on a QoS for a wireless communication session corresponding to the request. | 03-25-2010 |
20100075693 | BASE STATION DEVICE AND RADIO COMMUNICATION DEVICE - Provided is a base station device capable of suppressing power consumption of a radio communication device and transmitting a pilot signal for measuring an uplink channel quality in a high frequency use efficiency. The base station device ( | 03-25-2010 |
20100075694 | INTERFERENCE MANAGEMENT IN A MULTI-CARRIER COMMUNICATION SYSTEM - Systems and methodologies are described that facilitate assigning carriers to access points based on power class. Devices can accordingly evaluate cells provided by the access points to select a cell with an optimal SNR or path loss for communication regardless of power class, since lower powered cells will not be interfered by higher powered cells communicating over different carriers. Cross-carrier operation is also provided where access points can transmit downlink signals according to carrier assignment information while receiving uplink signals over other carriers. Thus, once an optimal cell is determined, downlink control data can be received over the assigned carrier to ensure receipt without interference, but uplink transmissions can occur over multiple carriers to facilitate increased throughput using one or more reuse schemes. | 03-25-2010 |
20100081449 | METHOD AND APPARATUS FOR OPTIMIZING SPECTRUM UTILIZATION BY A COGNITIVE RADIO NETWORK - A technique for a secondary communication system to utilize spectrum designated to another (or primary) communication system is provided. By ranking a plurality of secondary base stations based on base station transmit power, calculated required transmit power and path loss, a set of criteria is developed for selecting a highest ranked secondary base station for operation within a primary's spectrum. The ranking may be adapted based on mobility of the secondary's subscriber; and as such the secondary system communicates within the primary's spectrum using the adaptively ranked base stations. Channel selection may also be ranked. The technique and apparatus allows a cognitive radio (CR) network to operate within an incumbent network's spectrum. | 04-01-2010 |
20100087203 | METHOD AND APPARATUS FOR INTERFERENCE CONTROL IN A WIRELESS COMMUNICATION SYSTEM WITH HIERARCHICAL CELL LAYOUT - A method and apparatus for interference control in a wireless communication system with a hierarchical cell layout are provided. The method includes acquiring edge-bands of femto BSs within an area of the macro BS, determining whether an MS receiving a service from the macro BS is located in an area adjacent to the femto BS, and, if the MS is located in the area adjacent to the femto BS, allocating, to the MS, an edge-band of the femto BS to which the MS is adjacent. | 04-08-2010 |
20100093363 | SUB-BAND DEPENDENT UPLINK LOAD MANAGEMENT - A system and method for inter-cell interference mitigation in FDM systems is provided. The system provides for increased efficiency with load metric data generated per subband for both serving and neighboring non-serving cells. The system robustly provides for sharing load metric date per subband through a backhaul channel as well as directly from cell to adjacent cell. Furthermore, a UE based communication system allows UE reduction of assigned load controls based on directly reading a neighboring cells' load metrics. The system thus robustly handles various cell types (e.g. synchronous or asynchronous) and a variety of UE capabilities while providing increased efficiency in managing inter-cell interference. | 04-15-2010 |
20100093364 | METHOD AND APPARATUS FOR PROVIDING INTERFERENCE MEASUREMENTS FOR DEVICE-TO-DEVICE COMMUNICATION - An approach for providing interference measurements for device-to-device communication is disclosed. A logic generates a control signal to instruct a plurality of stations to perform measurement relating to interference or path loss by the stations. The logic then receives measurement information from the stations and determines, based on the measurement information, whether resources are to be scheduled to provide direct communication between two of the stations. | 04-15-2010 |
20100105406 | Inter-cell power control in the presence of fractional frequency reuse - System(s) and method(s) are provided for inter-cell power control in the presence of fractional frequency reuse in a wireless communication system. Transmission power control of a terminal ( | 04-29-2010 |
20100113059 | RADIO ACCESS NETWORK APPARATUS AND THE METHOD - A radio access network apparatus comprises a means for judging whether or not a mobile station belongs to the area of a cell end and a means for allocating the frequency of the cell end to the mobile station of the cell end and allocating the frequency of a non-cell end different from the frequency of the cell end to a user in an area other than the cell end. The frequency of the cell end includes a first band different for each cell. The frequency of the non-cell end includes a second band common to a plurality of cells including its own cell and a third band equal to the frequency of the adjacent cell end. | 05-06-2010 |
20100120445 | COMMUNICATIONS DECISION METHODS AND APPARATUS - Methods and apparatus for making communications decisions are described. In some embodiments, a method includes recovering a first quality of service level from a first transmission request signal directed to a second communications device, and making a decision whether or not to transmit traffic data to a third communications device based on the recovered first quality of service level. In other embodiments a method includes recovering a first quality of service level from a first transmission request signal, and making a decision whether or not to transmit a first transmission request response signal in response to a second transmission request signal based on the recovered first quality of service level. In some embodiments, the phase of the transmission request signal is used to communicate the quality of service level. The device transmitting the transmission request signal may also transmit pilots which can be used as phase reference signals. | 05-13-2010 |
20100120446 | POWER HEADROOM-SENSITIVE SCHEDULING - User equipment reports periodically or aperiodically serving cell reference signal received power and quality as well as uplink power headroom information to the serving evolved NodeB (eNB). eNB calculates a current interference level experienced by the UE from the feedback report and its own loading. Since the self-interference is not flat across frequencies, the tolerable self-interference level depends on downlink scheduling. From the calculated interference, eNB can calculate uplink allocation parameters. Sequence of scheduling decisions can be downlink allocation, determining tolerable self-interference, and uplink allocation, or in the opposite order, or the downlink and uplink allocation can be jointly determined using the available. An additional scheduling constraint can be derived for meeting the co-existence requirements, which can be determined from the power headroom report alone. Thereby interference to other user equipment or self-interference (self-desensitization) is addressed when inadequate attenuation exists while also allowing deploying full system bandwidth. | 05-13-2010 |
20100130222 | FEMTOCELL BASE STATION, AND A METHOD OF RADIO COMMUNICATION IN A NETWORK COMPRISING A FEMTOCELL BASE STATION - A method is provided of radio communication in a radio communications network comprising a macrocell base station and a femtocell base station. The method comprises the femtocell base station: transmitting in a first radio frequency band that is allocated to the macrocell, and detecting that a user terminal that is connected to the macrocell base station is in the femtocell. In response to said detecting the user terminal as being in the femtocell, the femtocell base station ceases to use that frequency band at least in the region in which the user terminal is located so as to avoid unacceptable interference to the user terminal. | 05-27-2010 |
20100151875 | METHOD AND APPARATUS FOR CONTROLLING INTERFERENCE BETWEEN CELLS IN MOBILE COMMUNICATION NETWORK - A method and apparatus for controlling interference between cells for non-real time data transfer in a mobile communication network is provided. The method of controlling interference between cells in a mobile communication system including a plurality of cells includes: dividing each cell into at least one segment based on density of terminals within each cell and distance from the center of each cell; allocating rise over thermal (RoT) with respect to each segment based on the distance from the center of each cell, an attenuation ratio according to the distance, and a shadowing factor; and providing data services to terminals within each segment according to the allocated RoT. Accordingly, it is possible to improve system throughput. | 06-17-2010 |
20100151876 | APPARATUS AND METHOD FOR CONTROLLING INTER-CELL INTERFERENCE - A technology for inter-cell interference control is provided. In one general aspect, the inter-cell interference may be controlled by resource allocation scheduling or power management. A cell may be divided into a plurality of regions. A constant available resource band and a selectively available band are allocated to each region. Each of the allocated resource bands is assigned with an interference characteristic. The resource allocation scheduling and the power management are performed according to the resources allocated to the respective regions and the interference characteristics assigned to the respective resources. | 06-17-2010 |
20100167752 | Wireless Communication Method, Wireless Communication System and Base Station - A base station ( | 07-01-2010 |
20100178928 | Capacity protection/reservation based on location of end user mobile device - With the advent of communication devices including Global Positioning capability, for example, mobile communications networks and GPS may be coordinated to determine where a user is located and to reserve capacity in the mobile communications network should the user need to make a call. Example Embodiments include the GPS being used to locate a user and compute a movement vector of that user in order to predict future locations, e.g., a next cell where the user will be located, at which the communications network may reserve appropriate capacity for that user. This service may be used by emergency service workers or government officials who need to communicate in times of emergency or when network overloads occur. Premium service callers who would like to ensure that their calls get through may also use this service for an added fee. | 07-15-2010 |
20100197317 | MULTICHANNEL DYNAMIC FREQUENCY SELECTION - Multichannel dynamic frequency selection in wireless networks begins with an access point for a wireless network broadcasting a list of unused channels that are available for communication within the area served by the access point. The various access terminals within this service area receive the broadcast and measure various interference characteristics of each of the channels in the list. The access terminals then send this interference information to the access point, which compiles a matrix of interference information that is associated with the quality of each signal as related to each access terminal. Using this information, the access point selects the appropriate channels to serve the most number of access terminals at the highest possible channel qualities. | 08-05-2010 |
20100210279 | Dynamic Reconfiguration of Communication Resources in a Multi-Transceiver Configuration - A system and method that provide dynamic reconfiguration of communication resources in a multi-transceiver configuration. Various aspects of the present invention may comprise communicating a first portion of a first communication using a plurality of transceivers. A determination may be made to reallocate at least one of the plurality of transceivers for a second communication. A second portion of the first communication may be communicated using the plurality of transceivers less the reallocated transceiver(s), and the second communication may be communicated using at least the reallocated transceiver(s). Various aspects of the present invention may also comprise communicating a first communication utilizing a first transceiver and a second communication utilizing a second transceiver. A determination may be made to utilize the first and second transceivers in a MIMO configuration to communicate next information. The next information may then be communicated utilizing the first and second transceivers in a MIMO configuration. | 08-19-2010 |
20100216485 | SYSTEMS AND METHODS FOR USAGE-BASED OUTPUT POWER LEVEL ADJUSTMENTS FOR SELF-OPTIMIZING RADIO ACCESS NODES - A wireless base station and method are described for adjusting an output power level for self-optimizing radio access node. The base station monitors a link metric of a downlink traffic channel and records the measurements as historical link metric data. Later, the base station compares the link metric with the historical link metric data and adjusts the power level of a broadcast channel and one or more system channels. This may reduce the operating radius of the base station, including the broadcast channels, system channels, and traffic channels, to reduce interference with other cells in a network. This method may be used in a femtocell or picocell wireless base station. | 08-26-2010 |
20100216486 | COMMUNICATION SYSTEM AND METHOD FOR CONTROLLING INTERFERENCE CAUSED BY DIFFERENT KINDS OF BASE STATIONS - A communication system is provided which includes different kinds of base stations such as a macro base station and a femto base station. This system may execute a method for controlling unfavorably occurring interference due to such different kinds of base stations. In the method, the femto base station sends a femtocell interference indication (FII) report to the resource allocation control unit when user equipment is connected to the femto base station. The FII report contains a request for the allocation of resources to avoid interference. Then the resource allocation control unit establishes a femto interference coordination (FIC) zone according to the received FII report. The FIC zone indicates a particular region used to define resources allocated to the femto base station. The resource allocation control unit may be the macro base station or a self-organizing network (SON) server. | 08-26-2010 |
20100222069 | METHOD AND SYSTEM FOR MITIGATING INTERFERENCE AMONG FEMTOCELLS VIA INTELLIGENT CHANNEL SELECTION - Aspects of a method and system for mitigating interference among femtocells via intelligent channel selection are provided. In this regard, signals which may interfere with cellular communications between a femtocell and a cellular communication device may be detected via the femtocell. Based on the detection, the femtocell may be configured to transmit and/or receive signals on one or more frequencies and/or channels. The one or more frequencies and/or channels may be determined in the femtocell and/or in a network management entity. Detecting interfering signals and configuring the one or more femtocells may occur periodically, upon installation of a femtocell, upon power-up of a femtocell, and/or upon command from a network administrator. The results of the detection may be communicated to one or more other femtocells and/or to a network management entity. | 09-02-2010 |
20100222070 | COMMUNICATION SYSTEM INCLUDING A FEMTO BASE STATION AND A COMMUNICATION TERMINAL, AND A COMMUNICATION METHOD THEREOF - Apparatuses and methods of transmitting a signal with reduced interference in a femto base station including a plurality of antennas having different radiation patterns are provided. A method includes transmitting common information through the plurality of antennas having the different radiation patterns; receiving feedback information corresponding to the common information; analyzing the feedback information; temporarily selecting one of the plurality of antennas as a transmission antenna, based on a result of the analyzing; and transmitting user information through the transmission antenna. | 09-02-2010 |
20100227624 | METHOD OF MANAGING BASEBAND RESOURCES IN MOBILE COMMUNICATIONS NETWORKS IMPLEMENTING INTERFERENCE CANCELLATION TECHNIQUES - A method of managing baseband resources in a mobile communications network, wherein at least one interference cancellation technique in uplink is available, the method comprising the steps of: when baseband resources are demanded by a mobile user, determining whether there are free baseband resources or not, and: if there are not free baseband resources, determining whether there is at least one interference cancellation process cancelling the interference caused by at least one mobile user or not, and: if there is at least one interference cancellation process cancelling the interference caused by at least one mobile user, one mobile user is removed from said interference cancellation process. | 09-09-2010 |
20100234039 | COMMUNICATION SYSTEM WITH FEMTOCELLS AND AN INTERFERENCE CONTROL METHOD THEREFOR - A wireless communication system with femtocells and a method for mitigating inter-cell interference in the wireless communication system are provided. The interference control method includes notifying a mobile station of entry to a home cell, when the mobile station enters a macrocell including a femto base station with which the mobile station is registered, transmitting, by the mobile station, a femtocell driving control message to the femto base station at a predetermined transmission power, when the mobile station enters a femtocell of the femto base station, and switching on, by the femto base station, a transmitter, when the femtocell driving control message is received. | 09-16-2010 |
20100234040 | METHODS AND APPARATUS FOR ADJACENT CHANNEL INTERFERENCE MITIGATION IN ACCESS POINT BASE STATIONS - Apparatus and methods for interference mitigation in wireless communication networks are described. In one implementation, at a node in a first network, a power level and/or bandwidth or channelization of an adjacent channel signal may be determined, and a power level and/or bandwidth of a transmitted signal in the first network may be adjusted in response. | 09-16-2010 |
20100234041 | Power Control in a Radio Communication System With Multiple Transport Formats - A method, an apparatus and a computer program for controlling updating of a signal quality target ( | 09-16-2010 |
20100240385 | METHOD FOR SUPPORTING QUALITY OF SERVICE OVER A CONNECTION LIFETIME - The invention relates to a method for determining Quality of Service information of a radio bearer configured in a mobile node and distributing scheduled radio resources to the radio bearer. Further, the invention also provides a base station and mobile node performing these methods, respectively. The invention suggests a scheme that allows for supporting an efficient Quality of Service over the lifetime of a connection, even upon handover of the mobile node between two radio cells. This is achieved by providing Quality of Service measurements upon handover, such as a provided bit rate of radio bearers configured for the mobile node, to the base station controlling the target radio cell, either by the source base station in the source radio cell or the mobile node. | 09-23-2010 |
20100240386 | WIRELESS COMMUNICATION SYSTEM, WIRELESS COMMUNICATION METHOD, BASE STATION, MOBILE STATION, BASE STATION CONTROL METHOD, MOBILE STATION CONTROL METHOD, AND CONTROL PROGRAM - To alleviate interference by a transmission signal on the uplink and downlink of a femto base station to a transmission signal on the uplink and downlink of a macro base station and/or a micro base station. A mobile station | 09-23-2010 |
20100240387 | METHOD FOR CONTROLLING AN UPLINK POWER IN A WIRELESS COMMUNICATION SYSTEM AND AN APPARATUS IN THE SYSTEM - In a wireless communication system including a wireless terminal, a first wireless base station, a second wireless base station which supports a wireless channel which is not supported by the first wireless base station and an upper level apparatus which accommodates the wireless base stations, the upper level apparatus monitors interference power in the wireless base station and carries out, where a result of the monitoring exceeds a predetermined threshold value, suppression control of transmission power of the wireless terminal which communicates with the second wireless base station using the wireless channel which is not supported by the first wireless base station. | 09-23-2010 |
20100240388 | Parameter Collecting Method, Wireless Base Station And Relay Station - A parameter collecting method used for distributing radio resources, collecting a total number (M) of terminals for directly performing radio communication with a radio base station without a relay station or radio quality between each of terminals for directly performing radio communication with the radio base station without the relay station as a parameter, and collecting a total number (N) of terminals performing communication with the radio base station through the relay station or aggregated information on radio quality between the respective terminals performing communication with the radio base station through the relay station and the relay station as the parameter. | 09-23-2010 |
20100248734 | Communication Control Method, Communication System and Communication Control Apparatus - Based on a first weighting factor adopted for a first wireless base station | 09-30-2010 |
20100248735 | WIRELESS COMMUNICATION SYSTEM, WIRELESS COMMUNICATION METHOD, BASE STATION, CONTROL METHOD OF BASE STATION, AND CONTROL PROGRAM OF BASE STATION - To provide appropriate communication quality for a mobile station that is permitted to connect to a femto base station regardless of the place at which the femto base station is installed and the place at which the mobile station is used while reducing the transmission power of the femto base station as much as possible, a femto base station | 09-30-2010 |
20100248736 | Inter-System Interference Control - It is provided a solution for controlling interference in a cellular telecommunication system. An interference controller of the cellular telecommunication utilizes interference level information received from another cellular telecommunication system in controlling interference towards a target cell suffering from high interference which degrades the grade of service in the target cell. The interference level information comprises information on levels of interference between neighboring cells of the other cellular telecommunication system. The interference controller analyzes the received interference level information and controls communication links in cells of the cellular telecommunication system determined to cause the highest interference towards the target cell. The cells determined to cause the highest interference towards the target cell are determined from the received interference level information. | 09-30-2010 |
20100248737 | System and Method for Interference Mitigation in a Wireless Communications System - A system and method for interference mitigation in a wireless communications system are provided. A method for interference mitigation in a controller includes coordinating with other controllers to establish a cooperative agreement, receiving information from a communications device served by the controller, scheduling a transmission opportunity for the communications device based on an indicator and the cooperative agreement, and receiving a transmission from the communications device at the scheduled transmission opportunity. | 09-30-2010 |
20100261482 | INTER-CELL INTERFERENCE MITIGATION - A method and controller for reducing inter-cell interference within a Coordinated Multi-Point (CoMP) cellular network architecture. Multiple CoMP cells in the network architecture are grouped into a number of mutually exclusive subsets. The CoMP cells in each subset are sufficiently separated from each other geographically so that no inter-cell interference occurs among them, and thus they can be scheduled independently. Each subset then takes turn scheduling in a certain order. As each subset schedules its transmissions, it avoids causing interference to subsets that have already scheduled, and then passes sufficient information to the remaining subsets so that the same interference avoidance measures can be taken. The scheduling and passing of the information is preferably performed before the data transmission phase, which occurs once every Transmission Time Interval (TTI). | 10-14-2010 |
20100267396 | RADIO BASE STATION AND RADIO COMMUNICATION METHOD - A radio base station includes: a communication quality detector ( | 10-21-2010 |
20100273500 | PILOT CHANNEL TRANSMISSION IN A CELLULAR COMMUNICATION NETWORK - A cellular communication network is described wherein the power of the pilot channel transmitted by the base station is decreased when the uplink interference in its cell area increases above a threshold value. As a result the mobile terminals at the edge of the cell area are triggered to reselect to another base station and the number of call drops and failed call set-ups is reduced. | 10-28-2010 |
20100273501 | MOBILE COMMUNICATION SYSTEM, BASE STATION APPARATUS, AND MOBILE STATION APPARATUS - To improve throughput of the whole system while reducing power consumption. In a mobile communication system comprising a mobile station apparatus and a base station apparatus, the base station apparatus creates an interference information table based on channel quality of an uplink channel, and at the same time, transmitting the interference information indicator table to the mobile station apparatus, and the mobile station apparatus determines a state of interference in an uplink frequency band based on the interference information indicator table, determines a frequency band of a measurement pilot channel, which is a pilot channel used to determine received quality, and make a request to the base station apparatus for a transmission resource. For example, the mobile station apparatus determines a frequency band with lowest interference among the uplink frequency bands as a frequency band of the measurement pilot channel. | 10-28-2010 |
20100273502 | MOBILE COMMUNICATION SYSTEM, BASE STATION APPARATUS, AND MOBILE STATION APPARATUS - To improve throughput of the whole system while reducing power consumption. In a mobile communication system comprising a mobile station apparatus and a base station apparatus, the base station apparatus creates an interference information table based on channel quality of an uplink channel, and at the same time, transmitting the interference information indicator table to the mobile station apparatus, and the mobile station apparatus determines a state of interference in an uplink frequency band based on the interference information indicator table, determines a frequency band of a measurement pilot channel, which is a pilot channel used to determine received quality, and make a request to the base station apparatus for a transmission resource. For example, the mobile station apparatus determines a frequency band with lowest interference among the uplink frequency bands as a frequency band of the measurement pilot channel. | 10-28-2010 |
20100279701 | INTEGRATED POWER CONTROL AND LINK ADAPTATION - A method and apparatus in a base station for jointly controlling sub-channel transmission power and assigned codec modes for a first and second mobile station utilizing Voice services over Adaptive Multi-user channel on One Slot (VAMOS). The base station receives signal quality information reports from the mobile stations every 480 ms using the Slow Associated Control Channel (SACCH), and receives codec mode requests from the mobile stations every 40 ms using Adaptive Multi-Rate (AMR) in-band signaling. The base station associates the requested codec modes with estimated levels of speech quality currently being experienced by the first and second mobile stations. The base station then allocates sub-channel transmission power and assigns codec modes to the first and second mobile stations based on the estimated levels of speech quality associated with the requested codec modes and the signal quality reports. | 11-04-2010 |
20100279702 | Dynamic Reconfiguration Of User Equipment Based On CQI - The present invention relates to a method and a UE having a receiver with at least two receiver branches, capable of measuring or estimating a first channel quality of at least one down link channel. The UE comprises means for determining whether a first condition is fulfilled where said first condition is fulfilled when a difference between a measured or estimated first channel quality and a predefined maximum reportable channel quality indicator value is greater than or equal to a first threshold (Ti), and means for switching off at least one receiver branch for the reception of the at least one down link channel provided that the first condition is fulfilled. It also relates to a method and a radio base station comprising means for signaling the first threshold (Ti) to the user equipment. | 11-04-2010 |
20100279703 | RADIO COMMUNICATION SYSTEM, COMMUNICATION CONTROL METHOD, RADIO STATION, AND RECORDING MEDIUM - There is provided a preferable communication quality between a wireless station (for example, a micro base station) located within a macro cell and a mobile station communicating with the wireless station, without depending on a location of the wireless station within the macro cell while suppressing the interference that the communication between the wireless station and the mobile station exerts on the macro cell. A femto base station ( | 11-04-2010 |
20100291945 | COMMUNICATION SYSTEM FOR ADJUSTING MODE OF COLLECTING INTERFERENCE CHANNEL INFORMATION - A plurality of transmit-receive pairs may operate in any one mode between an orthogonal mode and a concurrent mode. The transmit-receive pairs may collect interference channel information in a different time interval when operating in an orthogonal mode. In a concurrent mode, the transmit-receive pairs may apply a simultaneous transmission/reception scheme based on the collected interference channel information. | 11-18-2010 |
20100298005 | MINIMIZING INTERFERENCE TO NON-ASSOCIATED USERS - A method for reducing interference to wireless communication devices is described. It is determined that a base station is deployed with a first coverage area that overlaps a second coverage area of a femto access point. The base station uses a first carrier for wireless communications. The femto access point uses a second carrier for wireless communications. Transmissions by the femto access point interfere with transmissions by the base station. An amount of radio frequency (RF) leakage experienced by wireless communication devices communicating with the base station is estimated. Interference experienced by the wireless communication devices is minimized. | 11-25-2010 |
20100298006 | APPARATUS AND METHOD FOR REDUCING INTER-CELL INTERFERENCE IN WIRELESS COMMUNICATION SYSTEM - An apparatus and a method for beamforming in a wireless communication using a Base Station (BS) cooperative scheme are provided. The beamforming method includes exchanging channel status information with at least one cooperative BS which provides a BS cooperative service, generating a beamforming weight based on the channel status information, determining channel variation caused by a time delay in the channel status information exchange with the cooperative BS, updating the generated beamforming weight based on the channel variation, and precoding a transmit signal based on the updated beamforming weight. | 11-25-2010 |
20100317363 | METHOD AND DEVICE OF INTERFERENCE SUPPRESSION IN WIRELESS CELLULAR NETWORK - A method of interference suppression in a wireless cellular network includes notifying a first base station that there is a second User Equipment (UE) that currently suffers downlink interferences from the first base station, when an second UE in an active state suffers the downlink interferences from the first base station; and reallocating, by the first base station, spectrum resources for a first UE communicating with the first base station. A first base station, a second UE and a second base station for implementing the above method of interference suppression are also provided. When the second UE in the active state suffers the downlink interferences from an adjacent first base station, the first base station can adjust the spectrum resources occupied by the first UE through resource scheduling, so as to reduce the downlink interferences on the second UE in the active state, thus to reduce the influence on the communication between the second UE and the second base station. | 12-16-2010 |
20100317364 | System and Method for Uplink Inter Cell Interference Coordination in a Wireless Access System - A system and method for uplink inter cell interference coordination and multi-user multiple input, multiple output in a wireless access system are provided. A method for providing uplink inter cell interference coordination in a wireless access system includes categorizing users the wireless access system, selecting a resource allocation plan based on the categorized users, allocating resources to the users in the wireless access system based on the selected resource allocation plan, and receiving transmissions from the users. | 12-16-2010 |
20100323712 | NETWORK-WIDE INTER-CELL INTERFERENCE MINIMIZATION VIA COORDINATED MULTIPOINT CELL SCHEDULING COORDINATION - Network-wide inter-cell interference is reduced by aggregating cells (herein, sub-cells) into Coordinated MultiPoint (CoMP) cells, each having a controller. The CoMP cells are divided into sets, similar to a frequency reuse plan. Scheduling information regarding transmissions scheduled to and from UEs in one set of CoMP cells is transmitted to controllers in sets of neighboring CoMP cells, in advance of the transmissions. Controllers in the receiving sets of CoMP cells schedule transmission to minimize both inter-sub-cell interference and interference with the set of CoMP cells that transmitted the scheduling information, and assuming no interference from other CoMP cells. They then transmit scheduling information to subsequent set(s) of CoMP cells. The order of scheduling information transmission between sets of CoMP cells may be rotated for fairness. The scheduling information may range from bare threshold data indicating at least one transmission, to detailed information such as estimated path gains to each UE. | 12-23-2010 |
20100323713 | TRANSFORM DOMAIN MULTI-USER DETECTION AND INTERFERENCE SUPPRESSION APPARATUS FOR FEMTOCELL - A transform domain multi-user detection and interference suppression apparatus for femtocell is disclosed. The transform domain multi-user detection and interference suppression apparatus is applied in a telecommunication system including a plurality of user equipments. The transform domain multi-user detection and interference suppression apparatus includes a multi-user signal processing module including an interference suppression unit. The multi-user signal processing module receives a plurality of user signals from the plurality of user equipments. During an interference suppression phase, the interference suppression unit of the multi-user signal processing module focuses on one of the plurality of user signals in the transform domain and reduces the other user signals in the transform domain by using a specific operation method. During an interference cancellation phase, the multi-user signal processing module receives an estimation of the plurality of user signals in the transform domain and reconstructs the received signals according to the estimation. | 12-23-2010 |
20100331007 | METHOD AND APPARATUS FOR SUPPRESSING INTER-CELL INTERFERENCE - The present invention discloses a method and an apparatus for suppressing inter-cell interference. The method includes: obtaining edge channels whose signal interference ratio (SIR) is above a preset threshold from edge channel group to constitute a first candidate channel set; selecting an edge channel of the lowest correlation as a tier-1 channel; obtaining central channels whose SIR are above a preset threshold from central channel group to constitute a second candidate channel set; selecting a central channel of the lowest correlation as a tier-2 channel; and comparing SIRs of the tier-1 channel and the tier-2 channel and assigning the channel of a higher SIR to an edge terminal in the local cell. The present invention may suppress inter-cell interference and reduce the waste of channel resources. | 12-30-2010 |
20110003599 | WIRELESS COMMUNICATION APPARATUS AND WIRELESS COMMUNICATION SYSTEM - A wireless communication system includes plural wireless base station apparatuses and plural mobile station apparatuses, in which the base station apparatuses and mobile station apparatuses are capable of communication with each other via radio resources, each base station apparatus allocates guaranteed resources to be allocated to a mobile station apparatus for a given duration for transmission/reception of data with a specified capacity among data to be transmitted/received and includes a resource allocation notification unit that notifies the mobile station apparatus of the results of allocation performed by the resource allocation unit. A wireless communication base station and a wireless mobile station in the wireless communication system are also provided. | 01-06-2011 |
20110014925 | Base Station System Performance Measurement System in a GSM Radio Communication Network - The invention relates to a system an a method for self optimizing a radio communication network comprising a plurality of radio cells, the system means for monitoring the network resource consumption and quality parameters individually for each cell, and means for distributing the network traffic dynamically between neighboring radio cells in order to maintain satisfactory quality of service in each radio cell. | 01-20-2011 |
20110014926 | System and Method for Adjusting Downlink Channel Quality Index in a Wireless Communications System - In accordance with an embodiment, a method of operating a controller in a wireless communication system includes receiving channel feedback information from a communications node, adjusting the channel feedback information based on a measurement of interference from neighboring controllers, adjusting transmit parameters of the controller using the adjusted channel feedback information, and transmitting to the communications node using the adjusted transmit parameters. | 01-20-2011 |
20110039569 | Mitigation of Uplink Interference from Wireless Communication Device Connected to Micro Cell - A wireless communication device and method wherein the device determines pathloss between the wireless communication device and the neighboring non-serving cell in response to an order from a serving cell, determines a maximum acceptable transmit power of the wireless communication device based on the pathloss, and limits a transmit power of the wireless communication device, based on a maximum acceptable transmit power, while the wireless communication device is connected to the serving cell. | 02-17-2011 |
20110039570 | POWER SETTING - A downlink power is set for transmissions from a basestation of a cellular communications network, the cellular communications network comprising a group of such basestations. A target value for a signal strength with which the transmissions should be received, and a target value for a pathloss, based on measured values for pathlosses between basestations of the group, are both set. The downlink power is calculated, based on the target value for the signal strength, and on the target value for the pathloss. | 02-17-2011 |
20110045838 | MULTI-CELLULAR LOAD DEPENDENT SCHEDULING - The present invention relates to a scheduler selector and a method for improving network quality by controlling intercellular interference of a multi-cellular mobile radio communication network. The radio communication traffic is controlled by a user traffic scheduler principle. The network quality is improved by selecting another scheduling principle among a number of pre-defined and selectable scheduling principles than the scheduling principle working for the moment in a cell in said network. Said selection being initiated as a result of an intracellular Quality data processing wherein the network quality is determined to be possible to improve. | 02-24-2011 |
20110059745 | METHOD OF CONTROLLING A MONITORING OPERATION OF PHYSICAL DOWNLINK CHANNEL IN WIRELESS COMMUNICATION SYSTEM - The present invention relates to a wireless communication system and a terminal providing a wireless communication service and to a method by which a base station and a terminal transmit and receive data in an evolved universal mobile telecommunications system (E-UMTS) evolved from universal mobile telecommunications system (UMTS) or a long term evolution (LTE) system, and more particularly, to a method of controlling a monitoring operation of a physical downlink channel during a radio resource allocation procedure such that the radio resource allocation procedure can be performed with a minimum power usage by the terminal. | 03-10-2011 |
20110065446 | RADIO RESOURCE MANAGER DEVICES AND RADIO COMMUNICATION DEVICES - In an embodiment, a radio resource manager device is provided. The radio resource manager device may include a receiver configured to receive an application applying for radio resources; an interference allowance determiner configured to determine whether interference of signal transmission during radio communication using radio resources is allowed; and a radio resource assigner configured to assign radio resources based on the determined interference allowance. | 03-17-2011 |
20110065447 | METHOD AND SYSTEM FOR INTERFERENCE SUPPRESSION USING INFORMATION FROM NON-LISTENED BASE STATIONS - Aspects of a method and system for interference suppression using information from non-listened base stations are provided. In this regard, one or more circuits in a wireless communication device may be operable to receive a raw signal comprising one or more desired signals from one or more serving base transceiver stations (BTSs) and comprising one or more undesired signals from one or more non-listened BTSs. The one or more circuits may be operable to generate first estimate signals that estimate the one or more undesired signals as transmitted by the one or more non-listened BTSs, generate an interference suppressed version of the raw signal based on the first estimate signals, and recover the one or more desired signals from the interference suppressed version of the raw signal. The non-listened BTSs may comprise one or more BTSs that are not serving the wireless communication device and are not involved in a handoff of the wireless communication device. | 03-17-2011 |
20110065448 | System and Method for Supporting Antenna Beamforming in a Cellular Network - The present invention is a method and system for supporting a beamfonming antenna system in a mobile broadband communication network with an improved beam pattern, beam sweep pattern, pilot channel design with feedback and reporting rules, and control signaling design. Specifically, the improved beam pattern includes a method of supporting wireless communications in a wireless network forming at least two spatial beams within a cell segment where the at least two spatial beams are associated with different power levels, and separately, where at least two spatial beams can be moved across the cell segment according to a unique sweep pattern. The pilot channel design improves network bandwidth performance and improve user mobility tracking. Feedback and reporting rules can be established using a particular field designator, CQI, in the preferred embodiment. | 03-17-2011 |
20110077019 | Dynamically Allocating Carriers - To determine which traffic and terminal types and in which parts of a call should be best served by a given carrier there is provided a method and system for dynamically allocating carriers in a MIMO network using S-CPICH. The consideration of which carrier to allocate addresses problems caused by the enablement of the diversity transmission technique. Carriers are dynamically allocated to terminals in a WCDMA network scenario taking into account each terminal's vulnerability to interference from a carrier using S-CPICH or STTD according to certain parameters, such as a requested service or the radio conditions at any given time. The carriers are allocated from carriers using P-CPICH, S-CPICH and/or STTD. The invention also relates to a system that implements this method in a WCDMA network. | 03-31-2011 |
20110092220 | METHOD AND SYSTEM FOR DYNAMICALLY CONFIGURING A TELECOMMUNICATIONS NETWORK - A method for configuring a wireless telecommunications network adapted to operate according to at least one radio system, includes a plurality of re-configurable base radio stations, wherein each base radio station is adapted to manage one or more cells of the telecommunications network, and wherein each cell has corresponding radio resources available. The method includes: obtaining measurements of the cells load status; dynamically configuring at least one of the cells by assigning thereto determined available radio resources depending on the measurements of the cell load status. Dynamically configuring includes: based on the measurements of the cell load status, determining at least one candidate radio resource to be assigned to the cell; prior to assigning the candidate radio resource to the cell, forecasting an impact on the network performance at the radio level potentially caused by the assignment of the candidate radio resource to the cell; and in case the forecasted impact complies with predetermined requirements, assigning the candidate radio resource to the cell. | 04-21-2011 |
20110098055 | COMMUNICATION SYSTEM FOR INTER-CELL COORDINATION - System and methods for intercell coordination are provided. The system includes a macro terminal and a macro base station that allocate a radio resource for a sounding signal and determine a pattern of a sounding signal, in advance. The macro base station provides a femto base station included in the system with information about the pattern of the sounding signal, and the information about the radio resource of the sounding signal. The femto base station may receive the sounding signal from the macro terminal based on the information, and thus, the femto base station may determine whether the macro terminal exists and may determine a channel between the macro terminal and the femto base station. | 04-28-2011 |
20110105138 | MOBILE COMMUNICATION SYSTEM AND RADIO RESOURCE ASSIGNMENT METHOD - In a mobile communication system including a first base station and a second base station, the first base station includes: a user information obtaining unit configured to obtain user information in the first base station, and the second base station includes: a user information obtaining unit configured to obtain user information in the second base station; a base station internal information collection unit configured to collect user information in the first and the second base stations; and a resource assignment determination unit configured to determine radio resources that can be used by the first base station and radio resources that can be used by the second base station based on the user information in the first and the second base stations. | 05-05-2011 |
20110111766 | Techniques to control uplink power - Techniques are described that provide uplink power control techniques that can support different uplink multi-input multi-output (MIMO) transmission schemes. Open and closed loop power control schemes can be used to prescribe the power level of the mobile station. | 05-12-2011 |
20110111767 | METHOD OF CALL ADMISSION CONTROL FOR HOME FEMTOCELLS - The present invention provides a call admission control method for use in a wireless communication network that includes a femtocell that is coupled to the wireless communication network via a wireline communication network. The method includes receiving, at a call admission controller in the wireless communication network, a request to initiate a call between user equipment and the femtocell. The method also includes accessing, at the call admission controller, information indicating resources available in the wireline communication network to provide a wired connection between the femtocell and the wireless communication network. The method further includes determining, at the call admission controller, whether to admit the call based on the information indicating the resources available in the wireline communication network. | 05-12-2011 |
20110124345 | METHOD AND APPARATUS FOR PERFORMING COORDINATED MULTI-POINT TRANSMISSION AND RECEPTION IN WIRELESS COMMUNICATION SYSTEM - A method and an apparatus for performing a Coordinated Multi-Point (CoMP) transmission in a wireless communication system are provided. An operating method of a base station for the CoMP transmission in a wireless communication system includes performing a cell clustering for CoMP transmission of a terminal, receiving a reference signal from the terminal, determining cell IDentifier (ID) information of the terminal, when the terminal uses a cell ID for the CoMP transmission, comparing a Channel Quality Indicator (CQI) value of the reference signal with a threshold, and when the CQI value of the reference signal is greater than or equal to the threshold, participating in the CoMP transmission of the terminal. | 05-26-2011 |
20110124346 | WIRELESS COMMUNICATION METHOD, BASE STATION MOBILE STATION, AND WIRELESS COMMUNICATION SYSTEM - A wireless communication method includes, at each base station, respectively forming first and second communication regions at the edges of a cell of the each base station by changing the direction of a directional antenna in synchronization with other surrounding base stations at a given cycle period, where each first communication region is configured so that a first level is reached in the antenna gain between the sectors contained in the cell of the each base station and the sectors included in the cells of the other base stations, and where each second communication region is configured so that a second level lower than the first level is reached in the antenna gain, and, at each mobile station, combining signals from a given number of base stations during a time period in which the sum of incoming signal levels from the given number of base stations satisfies given conditions. | 05-26-2011 |
20110136497 | METHOD AND APPARATUS FOR PROVIDING CARRIER ADJUSTMENT TO MITIGATE INTERFERENCE - An approach is provided for mitigating interference from Long Term Evolution (3GPP LTE) terminals to adjacent frequency bands. A platform determines whether a region associated with transmission of one or more resource blocks are an interfering region according to predetermined criteria, where one or more resource blocks are assigned a primary carrier as a default carrier for the transmission. The platform selects a secondary carrier for the one or more resource blocks instead of the primary carrier if the region is determined to be interfering. | 06-09-2011 |
20110136498 | RSSI ESTIMATION IN MULTI-TECHNOLOGY COMMUNICATION TERMINALS - A method used in a receiver includes measuring first Received Signal Strength Indications (RSSIs) in respective first communication channels, which are located in a given frequency band and which each have a first channel bandwidth. Based on the first RSSIs, second RSSIs are computed for respective second communication channels, which are located in the given frequency band and which each have a second channel bandwidth that is larger than the first channel bandwidth. At least one of the first and second communication channels over which to receive signals at the receiver are selected using the first and second RSSIs. | 06-09-2011 |
20110136499 | RADIO BASE STATION AND RADIO COMMUNICATION METHOD - A radio base station allocates a large-interference channel or a small-interference channel to a radio terminal. The radio base station includes: a performance determination unit ( | 06-09-2011 |
20110143766 | Method And A Device In A Wireless Communication System - In a wireless communication system, a base station adaptively schedule CQI reports form mobile stations. By adaptively prioritizing the CQI report from the mobile station against the uplink traffic and control data, the CQI reporting rate avoids unnecessary overhead in the uplink while maintaining good performance. The CQI reports are requested in response to a calculated weighting factor which is based on channel coherence time that can be estimated by the base station. The adaptivity in the CQI reporting allows achieving an optimal tradeoff between uplink traffic data and downlink control feedback signaling. | 06-16-2011 |
20110151887 | Secondary System Usage In Multicarrier Networks - After an evolved Node-B (eNB) has selected primary component carriers and secondary component carriers, the eNB can transmit (for example, by broadcast), the information for secondary usage (such as certain conditions) to devices. The devices can also be machines or the like that are able to operate on cellular system resources, for example, machine-to-machine type communication in a cellular system. The devices can figure out component carrier utilization in the cells they can detect. Furthermore, the devices can estimate the interference caused by themselves based on the eNB's broadcasting conditions as well as upon additional information, in some circumstances. Finally, the devices can then decide whether to establish device-to-device (D2D) or other secondary communication connection themselves by using the secondary component carriers. | 06-23-2011 |
20110151888 | METHOD AND SYSTEM FOR A PROGRAMMABLE INTERFERENCE SUPPRESSION MODULE - Aspects of a method and system for a programmable interference suppression module may include receiving a communication signal comprising one or more desired signal, and one or more undesired signals. The communication signal may be utilized to generate estimated channel state information. The estimated channel state information may be formatted for use in interference suppression. A reduced interference signal may be generated from a delayed version of said communications signal and the estimated channel state information, wherein the one or more undesired signals may be attenuated. The reduced interference signal may be formatted for post-processing. The desired signals may comprise WCDMA and/or HSDPA signals, and the undesired signals may be inter-cell and/or intra-cell interference. Further processing may comprise HSDPA processing and/or RAKE finger processing. The communication signal may be a Universal Mobile Telecommunication System (UMTS) compliant signal. | 06-23-2011 |
20110159883 | SIGNALING CONNECTION ADMISSION CONTROL IN A WIRELESS NETWORK - A method for admission control of control plane signaling requests includes receiving a signaling request. Upon receipt of the signaling connection request, a first determination is performed to determine whether to provide admission to common resources. When the first determination is negative, a second determination is performed to determine whether to provide admission to dedicated resources. When the second determination is negative, the signaling request is rejected. When the second determination is positive, the request is admitted to dedicated resources. When the first determination is positive, a third determination is performed to determine whether the quality of the signaling request is high or low. If the quality of the request is high, the signaling request is admitted to common resources. When the quality is low, a fourth determination is performed to determine whether to provide admission to dedicated resources. If the fourth determination is positive, the request is admitted to dedicated resources. If the fourth determination is negative, the request is admitted to common resources. | 06-30-2011 |
20110217984 | METHOD AND APPARATUS FOR SELECTING A CODING FORMAT - In accordance with an example embodiment of the present invention, channel quality data is collected in a cellular communication network on a cell level. The channel quality data is used to determine a signal format for use in common downlink channels, wherein the signal format may comprise, for example, a modulation scheme or code rate for use in the common downlink channels. | 09-08-2011 |
20110217985 | PREDICTIVE SHORT-TERM CHANNEL QUALITY REPORTING UTILIZING REFERENCE SIGNALS - Providing for resource-specific interference reporting to facilitate short-term channel quality and transmission parameterization in wireless communications is provided herein. By way of example, a UE observing high interference can utilize reference signals of a second UE (e.g., that observes less interference) for short-term channel quality measurements. These measurements can be on an order of one or two signal subframes, or less, to reflect interference resulting from distinct scheduling decisions of an interfering transmitter. Based on the short-term channel quality measurements, a base station serving the UE can initiate detailed interference mitigation, perform scheduling decisions that compensate for distinct parameterization of the interfering cell, or the like. This can result in improved wireless communications even for UEs observing very high wireless interference. | 09-08-2011 |
20110217986 | METHOD AND DEVICE FOR SELECTING THE RESOURCE PROCESSING MANNER - The present invention provides a method and device for selecting a resource processing manner, wherein the method is applied to a communication system including a user terminal, a relay station and a base station, and comprises the following operations: a configuring step of configuring a dedicated pilot, wherein the dedicated pilot is configured to measure parameters of a link from the relay station to the user terminal; an acquiring step of acquiring a first parameter value of a common pilot and a second parameter value of the dedicated pilot; a comparing step of comparing the first parameter value with the second parameter value; and a selecting step of selecting a resource processing manner according to the comparison result, wherein the resource processing manner comprises: a cooperation manner and/or a non-cooperation manner. | 09-08-2011 |
20110230200 | Intercell Interference Coordination for Radio Resource Control - A system includes a first device ( | 09-22-2011 |
20110237273 | OFDMA Uplink Interface Impact Recovery in LTE System - The present invention relates to methods and arrangements to estimate neighbour cell interference for admission control purposes. Information on at least the total estimated neighbour cell interference power and the own cell power for frequency subsets of tones ft is signalled to neighbouring cells for calculating a vector of impact values describing the interference impact of transmissions in a first impacting cell on respective impacted neighbour cells. The neighbour cell interference impact caused by a resource allocation in a first cell is estimated by help of the pre-calculated impact values such that resources are allocated to cause a minimised interference impact on said neighbouring cells. | 09-29-2011 |
20110244877 | METHOD AND APPARATUS FOR USING CHANNEL STATE INFORMATION REFERENCE SIGNAL IN WIRELESS COMMUNICATION SYSTEM - A method for wireless communication is disclosed which includes selecting a first resource pattern comprising resource elements that are non-colocated with a second resource pattern and allocating the first resource pattern to a plurality of antennas for transmitting a channel state information reference signal. | 10-06-2011 |
20110275382 | Measurements and Fast Power Adjustments in D2D Communications - At a cluster head/first device there is received, from each of at least two other devices with which the cluster head has a respective wireless link, a quality indicator for the respective link observed by the respective other device. The cluster head compiles those received quality indicators into a compressed report, and sends the compressed report to a network entity. In a specific embodiment the cluster head also determines an additional quality indicator of each of those respective links observed by the cluster head by listening to a sounding reference signal sent by the respective other device to the network entity on a PUCCH. Those additional quality indicators are also compiled into the compressed report, as are further quality indicators received from the devices for D2D links between pairs of those other devices that exclude the cluster head. The compressed report can inform how many indicators are above/below a threshold. | 11-10-2011 |
20110281591 | METHOD AND DEVICE FOR DETERMINING ANTENNA COOPERATION SET, METHOD AND DEVICE FOR DETERMINING BASE STATION COOPERATION SET - A method and device for determining an antenna cooperation set, and a method and device for determining a base station cooperation set in the mobile communication field are provided. The method includes that a signal joint processing system obtains the channel quality between a mobile terminal and at least two base stations, determines the base stations, which are corresponding to the channel quality higher than the channel quality threshold, as the cooperation base station set of the mobile terminal. Because the channel quality between the mobile terminal and the antenna of each base station is used to determine the cooperation antenna set dynamically, therefore, the determined cooperation antenna set includes the antennae that have very strong interference to the mobile terminal, or the antennae that have been strongly interfered by the mobile station. By performing signal joint processing to the antennae, signal interference among adjacent cells can be reduced, better accuracy for detecting mobile terminal signals can be obtained, the accuracy for receiving signals by the mobile station is improved, and namely the communication quality between the mobile terminal and the base stations is improved. | 11-17-2011 |
20110300874 | SYSTEM AND METHOD FOR REMOVING TDMA AUDIO NOISE - A system and method for removing time division multiple access (TDMA) noise from an audio signal during a silence interval and not during a non-silence interval. An audio silence interval may be a set of frames which have substantially no audible sound (i.e. no speech or voice are audible). This may be determined by analyzing the decibel level or magnitude of the audio signal. In one embodiment, a voice activity detector determines a silence interval within the audio signal and sends a control signal to enable a TDMA noise filter. The audio signal is continuously passed through the TDMA noise filter. However, the TDMA noise filter only operates/processes the silence intervals of the audio signal as a result of the TDMA noise filter being activated by the voice activity detector. | 12-08-2011 |
20110306353 | CHANNEL ALLOCATION DEVICE AND METHOD USING WIRELESS ACCESS IN VEHICULAR ENVIROMENTS - A device for allocating a channel by using wireless access in a vehicular environment in which an onboard unit is provided in a vehicle and at least one roadside unit is provided, receives a service announcement message from at least one roadside unit, uses the service announcement message to generate an available service table, determines whether the available service table has roadside unit entries for transmitting the service announcement message, and if so, compares average RSSI provided by the roadside units to select a roadside unit to access, selects a channel that corresponds to the service provider ID with the highest priority from among the service provided by the selected roadside unit, and assigns the selected channel as a service channel to exchange information with the roadside unit. | 12-15-2011 |
20110312330 | DEVICE DISCOVERY ON WHITE SPACE FREQUENCIES - A method of wireless communication includes receiving a first signal on a first channel, determining a second channel based on the first signal, receiving a second signal on the second channel, and communicating with a wireless device on the second channel based on a quality of the second signal. | 12-22-2011 |
20110312331 | METHOD AND APPARATUS FOR RESOURCE SCHEDULING FOR NETWORK CONTROLLED D2D COMMUNICATIONS - In accordance with an example embodiment of the present invention, a method comprises obtaining at a network node a scheduling reference point with a fluctuation range based at least in part on at least one metric for a plurality of cellular user equipments (UEs) and at least a pair of device-to-device (D2D) UEs; signaling the scheduling reference point and the fluctuation range to the at least pair of D2D UEs; allocating radio resources to the pair of D2D UEs according to one or more allocation criteria; receiving metrics updates from the pair of D2D UEs and the plurality of cellular users; and adjusting the scheduling reference point and the fluctuation range according to the received metric updates. | 12-22-2011 |
20110312332 | REDUCING FEEDBACK OVERHEAD FOR MULTIPLE COMPONENT CARRIERS - A wireless communication device configured for reducing feedback overhead for multiple component carriers is described. The wireless communication device includes a processor and instructions stored in memory. The wireless communication device receives signals on a plurality of component carriers and determines at least one feedback value based on the signals. The wireless communication device also generates at least one reduced overhead feedback message for the plurality of component carriers based on the at least one feedback value and sends the at least one reduced overhead feedback message. | 12-22-2011 |
20120003985 | CO-CHANNEL INTERFERENCE REDUCTION IN FEMTOCELL NETWORKS - Co-channel macrocell users will inherently produce co-channel interference at a nearby femtocell base station. To reduce the peak co-channel interference power, the femtocell users adjust their symbol timing with regard to the macrocell users so as to maximize a spreading of the co-channel interference spectrum. In this fashion, the peak co-channel interference power is reduced, thereby leading to improved bit error rates for the femtocell users. | 01-05-2012 |
20120003986 | REVERSE LINK POWER CONTROL FOR WIRELESS COMMUNICATION SYSTEMS - Assigning power spectrum density to access terminals within a wireless network environment is provided. Assignment information that includes assignment of reverse link transmission resources is determined and a power control instruction is created for the assigned reverse link transmission resource. An assignment message that includes both the assignment information and the power control instruction is formatted and communicated to the access terminals. The assignment message includes a Reverse Link Power Control field that indicates a transmit power spectral density assigned by the access point to the reverse-link transmission by the terminal. | 01-05-2012 |
20120021757 | DISTRIBUTED POWER ALLOCATION METHOD UNDER SERVICE QUALITY CONSTRAINT - The present invention relates to a distributed method of power allocation in a wireless telecommunication system comprising at least a first couple of terminals, consisting of a first transmitting terminal and of a first receiving terminal, and of a second couple of terminals, consisting of a second transmitting terminal and a second receiving terminal. After a phase of initialization of the allocated powers ( | 01-26-2012 |
20120064908 | Telecommunication networks - A mobile telecommunications network includes a core and a radio access network having a radio for wireless communication with mobile terminals registered with the network, wherein the radio access network includes a controller operable to control the use of network resources by the mobile terminals. The controller may include an application programming interface, API, which provides a consistent interface to a multiplicity of applications hosted on the control mean. The controller may be provided at an access node site and/or a gateway site. | 03-15-2012 |
20120064909 | Alleviating Mobile Device Overload Conditions in a Mobile Communication System - A user equipment (UE) in a mobile communications system is operated in a manner that alleviates or avoids an overload condition in the UE. This involves operating a receiver of the UE to receive one or more data blocks via a channel. In response to a user equipment overload condition being detected, a channel quality indicator (CQI) value is reported to a serving base station, wherein the reported CQI value represents a channel quality that is lower than an actual quality of the channel. The UE is then operated in a manner that is consistent with the reported CQI value. UE overload conditions include overheating, and an inability to process received data blocks at the rate at which they are being received. | 03-15-2012 |
20120115497 | Interference Avoidance in Mobile Communication Network Employing Distributed Antenna System - There is provided a solution for improving the efficiency of a mobile communication network applying a distributed antenna system. The solution comprises avoiding inter-cell interference with only a limited amount of backhaul information exchange between the base stations of the distributed antenna system, and applying beamforming techniques according to determined user allocation. | 05-10-2012 |
20120115498 | APPARATUS AND METHOD FOR CLUSTER BASED OPPORTUNISTIC POWER CONTROL IN WIRELESS COMMUNICATION SYSTEM - An apparatus and a method for a cluster-based power control at a macro base station in a wireless communication system are provided. The method includes broadcasting an interference allowance value determined based on a predefined aggregate interference to a femto cell, updating the interference allowance value with consideration of a channel activity for each femto cell group on a cluster basis, and when detecting a change in an aggregate interference generated due to femto cell power allocation, repeating determination of an interference allowance value so that a Quality of Service (QoS) of a macro cell user is met, and broadcasting the interference allowance value to a femto cell. | 05-10-2012 |
20120115499 | COOPERATIVE APPARATUS AND RESOURCE BLOCK ALLOCATION METHOD THEREOF FOR USE IN WIRELESS NETWORK - A cooperative apparatus and a resource block allocation method thereof for use in a wireless network are provided. The wireless network comprises a plurality of femtocells. The cooperative apparatus groups the femtocells based on signal interferences between the femtocells. The femtocells with higher signal interferences are joined to the same femtocell group. The cooperative apparatus averagely allocates resource blocks to the femtocells in the same femtocell group, and randomly allocates resource blocks to different femtocell groups. | 05-10-2012 |
20120115500 | Method and System of Managing Wireless Resources - The invention provides for the management of wireless resources, which can reduce call blocking by allowing high priority services, under suitable conditions, to use resources allocated to low priority services. Thus high priority services can pre-empt the usage of wireless resources by low priority services. This has the advantage of reducing call blocking for high priority calls, while permitting low priority calls to have more access to radio resources than conventional systems with the same call blocking rate. Thus a base station can implement a preemption mechanism that would reclaim Walsh Code and Forward Power resources from an active Supplemental Channel (SCH) burst in order to accommodate incoming Fundamental Channel (FCH) requests. | 05-10-2012 |
20120122469 | RADIO BASE STATION AND COMMUNICATION CONTROL METHOD - A control unit ( | 05-17-2012 |
20120135743 | MOBILE COMMUNICATION SYSTEM, NETWORK MANAGEMENT APPARATUS, MACROCELL BASE STATION APPARATUS, AND INTERFERENCE CONTROL METHOD - A mobile communication system wherein the upstream radio channel interference of a macrocell connection terminal with a femtocell base station can be reduced while the consumption of radio resources caused by increase in signaling is being suppressed. The macrocell connection terminal ( | 05-31-2012 |
20120149386 | RADIO COMMUNICATION APPARATUS AND RADIO COMMUNICATION METHOD - Provided is a radio communication apparatus capable of reducing power consumption of user equipment by improving efficiency in the use of radio resources even in a case when a network node and the user equipment hold a plurality of bearer contexts shared therebetween. The apparatus comprises an information determination unit ( | 06-14-2012 |
20120190378 | METHOD AND APPARATUS FOR INTERFERENCE MITIGATION IN HETEROGENEOUS NETWORK USING BEAMFORMING - A method and apparatus provide interference mitigation in a heterogeneous network using beamforming. In the method, a macro Mobile Station (MS) receives a broadcast message including a Precoding Matrix Index (PMI) set restricted in a macro cell, measures a Signal-to-Interference plus Noise Ratio (SINR) and a channel power from an adjacent femto Base Station (BS) and calculates a PMI, determines whether to request a dedicated frequency resource for a macro MS on the basis of the measured SINR, the channel power from the adjacent femto BS, and the calculated PMI, and requests the dedicated frequency resource for the macro MS from a macro BS. | 07-26-2012 |
20120196613 | FREQUENCY BAND CLASS CONTROL FOR A WIRELESS COMMUNICATION DEVICE - In a wireless communication system, a wireless access node provides a wireless communication service to wireless communication devices over a first frequency band class and over a second frequency band class. A control system identifies a subset of the wireless communication devices operating over the first frequency band class that have been in an idle mode for a time period that exceeds a threshold. The wireless access node transfers a signal to the subset of the wireless communication devices to transition from the first frequency band class to the second frequency band class. The wireless access node then provides the wireless communication service to at least some of the subset of the wireless communication devices over the second frequency band class. | 08-02-2012 |
20120202512 | DATA THROUGHPUT FOR CELL-EDGE USERS IN A LTE NETWORK USING ALTERNATIVE POWER CONTROL FOR UP-LINK HARQ RELAYS - It is proposed that alternative power control be used to improve the data throughput for user equipment (UE) in a LTE network having up-link relays. In this alternative power control scheme, every UE is assigned a maximum transmit power and a maximum modulation coding rate. Fair power control is applied only when the maximum modulation coding rate is achieved. Simulations indicate that a network having up-link relays and UEs having alternative power control improves the average throughput significantly. | 08-09-2012 |
20120202513 | Method and Arrangement in a Wireless Communication System - Method and arrangement in base station for allocating control elements in a message comprising a predetermined number of control elements, to user equipments to be scheduled. Each user equipment is associated with a priority value, is adapted to communicate with the base station over a radio link and requires a certain number of control elements, depending on the link quality of the radio link. The method comprising sorting user equipments in a scheduling priority list and associating control elements with user equipments by selecting user equipments from the scheduling priority list and summing up the total amount of required control elements by adding the required number of control elements of each user equipment respectively, until the predetermined number of control elements in the message is reached, if two or more user equipments have been associated with the same control elements, the control elements are re-associated between the user equipments. | 08-09-2012 |
20120208547 | METHOD AND APPARATUS FOR ENABLING CHANNEL AND INTERFERENCE ESTIMATIONS IN MACRO/RRH SYSTEM - Aspects disclosed herein relate to channel and interference estimations in a coordinated multi-point (CoMP) environment. In the disclosed aspects, an eNB may be equipped to signal an identifier indicating a plurality of resource patterns, each associated with a resource pattern group, and each including a first resource element pattern for channel estimation and a second resource element pattern for interference estimation. The UE may be equipped to receive the signaling and perform channel estimation based at least in part on the first resource clement pattern, and interference estimation based at least in part on the second resource pattern generate at least one channel state report based on the channel and interference estimations, and transmit at least one channel state report to an eNB. The eNB may determine one or more resources for use by the UE based on the at least one received channel state report. | 08-16-2012 |
20120208548 | APPARATUS AND METHOD FOR MANAGING RADIO RESOURCES BASED ON TRAFFIC PATTERN OF USER EQUIPMENT - Provided are an apparatus and method for managing radio resources according to a traffic pattern of user equipment. The apparatus may include a memory, a QoS level setup unit, a transition condition setup unit, and a radio resource manager. The memory may be configured to collect and store quality of service (QoS) information of the user equipment. The QoS level setup unit may be configured to determine a QoS level of the user equipment based on the QoS information in the memory. The transition condition setup unit may be configured to set transition conditions associated with the user equipment based on the determined QoS level of the user equipment. The radio resource manager may be configured to manage radio resources associated with the user equipment by initiating transition between a first radio resource control (RRC) state and a second RRC state according to the setup transition conditions of the user equipment. | 08-16-2012 |
20120231806 | Systems and Methods of Backhaul Optimization - Various embodiments provide for systems and methods of backhaul optimization. An exemplary system comprises a plurality of low power cells and a connector node. The connector node may be in communication with the plurality of low power cells. The connector node may be configured to receive demands from each of the plurality of low power cells. Each of the demands may indicate a demand at a predetermined time. The connector node may be further configured to determine a rate for each of the plurality of low power cells based on the demands of each of the low power cells and the assigned rate of the other of the plurality of low power cells. The connector node may be further configured to allocate capacity based on the determined rates. | 09-13-2012 |
20120238284 | MANAGEMENT OF PAGING CHANNEL MONITORING - Growing demand for high-rate wireless data services is increasing the power consumption requirements of mobile devices. In particular, some smart mobile devices or smart phones are configured to allow multiple software applications to run simultaneously. Some of the applications receive and/or pull data from servers in communication with the network. The more frequently these software applications are provided with access to the data channel the greater the demand on the power supply. Accordingly, there lies a challenge to regulate transmissions to and from a mobile device without adversely impacting quality-of-service (QoS). A method of managing power while maintaining a robust quality-of-service (QoS) is provided by managing the frequency at which a paging channel or the like is monitored. Complimentary methods of changing the frequency of transmission of alerts on a paging channel or the like is also provided. | 09-20-2012 |
20120244873 | ADAPTIVE TRAFFIC AND INTERFERENCE AWARE RADIO RESOURCE MANAGEMENT - A method for radio resources management within a set of cells (C | 09-27-2012 |
20120252479 | RADIO COMMUNICATION SYSTEM, BASE STATION APPARATUS, BASE STATION CONTROL APPARATUS, METHOD OF CONTROLLING TRANSMISSION POWER OF BASE STATION, AND COMPUTER READABLE MEDIUM - A base station ( | 10-04-2012 |
20120258724 | METHOD AND APPARATUS FOR REMOVING INTER-HETEROGENEOUS CELL INTERFERENCE - Disclosed are a method and apparatus for removing inter-heterogeneous cell interference. A terminal apparatus for removing inter-heterogeneous cell interference comprises: a receiver which receives, from a first base station which is a serving base station, a signal for instructing that a request for interference coordination information required for inter-heterogeneous cell interference coordination be made to a second base station which is heterogeneous to the first base station; a transmitter which transmits, to the second base station, a predetermined physical random access channel (PRACH) preamble which notifies said request through a PRACH; a receiver which receives the interference coordination information from the second base station; and a transmitter which transmits the received interference coordination information to the first base station. | 10-11-2012 |
20120276917 | RSSI ESTIMATION IN MULTI-TECHNOLOGY COMMUNICATION TERMINALS - A method used in a receiver includes measuring first Received Signal Strength Indications (RSSIs) in respective first communication channels, which are located in a given frequency band and which each have a first channel bandwidth. Based on the first RSSIs, second RSSIs are computed for respective second communication channels, which are located in the given frequency band and which each have a second channel bandwidth that is larger than the first channel bandwidth. At least one of the first and second communication channels over which to receive signals at the receiver are selected using the first and second RSSIs. | 11-01-2012 |
20120282942 | METHODS, APPARATUSES AND COMPUTER PROGRAM PRODUCTS FOR CONFIGURING FREQUENCY AGGREGATION - An apparatus for determining whether to deactivate a secondary cell includes a processor and memory storing executable computer program code that cause the apparatus to at least perform operations including determining that a secondary cell should be deactivated based on a measurement(s) of the secondary cell or received information associated with frequency spectrum of the secondary cell. The computer program code may cause the apparatus to generate a deactivation message responsive to the measurement(s) indicating secondary cell interference or the received information indicating that the apparatus should no longer use the frequency spectrum. The computer program code may cause the apparatus to provide the deactivation message to a network device. Corresponding methods and computer program products are also provided. | 11-08-2012 |
20120282943 | NETWORK SYSTEM, FEMTOCELL, FEMTOCELL MANAGEMENT APPARATUS, RESOURCE ALLOCATION METHOD AND COMPUTER PROGRAM PRODUCT THEREOF - A network system, a femtocell, a femtocell management apparatus, a resource allocation method and a computer program product thereof are provided. The network system comprises a piece of user equipment, a femtocell and a femtocell management apparatus. The user equipment is configured to transmit a request. The femtocell communicates with the user equipment and is configured to receive the request and establish an interference figure. The femtocell management apparatus communicates with the femtocell and is configured to receive the request and the interference figure and perform resource allocation to allocate a resource block to the request signal according to the request and the interference figure so that the femtocell and the user equipment may perform signal transmission according to the resource block. | 11-08-2012 |
20120282944 | CELLULAR COMMUNICATIONS SYSTEM WITH MOBILE CELLULAR DEVICE BATTERY SAVING FEATURES BASED UPON QUALITY OF SERVICE AND ACCESS DENIAL AND RELATED METHODS - A cellular communications system may include at least one base station selectively denying attempts to establish wireless communications links therewith, and wirelessly transmitting denial messages for denied attempts. The system may further include at least one mobile cellular communications device including a wireless transceiver and a controller cooperating therewith for attempting to establish a wireless communications link with the at least one base station having a quality of service (QoS) level associated therewith. If a denial message is received, the controller continues to attempt to establish the wireless communications link at a first attempt rate. Yet, if the wireless communications link cannot be established with the desired QoS level, and if no denial message is received, then the controller continues to attempt to establish the wireless communications link at a second attempt rate different than the first attempt rate. | 11-08-2012 |
20120302251 | TRANSMISSION RATE CONTROL METHOD, MOBILE STATION AND RADIO NETWORK CONTROLLER - The present invention can flexibly adjust trade-off between the radio network capacity and the radio quality by changing increase step of uplink user data in accordance with the congestion of uplink or the uplink user data type. A transmission rate control method according to the present invention includes the steps of; notifying, at a radio network controller RNC, an increase pattern of the transmission rate of the uplink user data to a mobile station UE, when setting, with the mobile station UE, a user data channel connection for transmitting the uplink user data and increasing, at the mobile station UE, the transmission rate of the uplink user data in accordance with the increase pattern, when receiving, from a radio base station Node B, a relative rate control channel RGCH for indicating that the transmission rate of the uplink user data should be increased. | 11-29-2012 |
20120329472 | Method and Apparatus for Relating to Quality of Service in Wireless Networks - A method for adapting quality of service to dynamics of a wireless telecommunications network is provided. The method includes collecting data relating to operation of an element in the network, wherein the collected data comprises radio-frequency (RF) data relating to operation of the network. The method also includes pre-calculating, from the collected data, a dynamic operational characteristic of the network, wherein the pre-calculating includes pre-calculating from the collected data to obtain a geometrical determination based on a geographical location of a wireless communications device within the network. The method further includes making available the pre-calculated characteristic of the network to an application of the device using the network, including storing the characteristic at a pre-calculation server accessible by the device so the device can selectively retrieve the characteristic, and updating the characteristic at a frequency based on a trigger related to volatility of the RF data being collected. | 12-27-2012 |
20130012225 | MOBILE STATION, BASE STATION, AND AREA SHAPING METHOD PERFORMED BY SPECIFIED BASE STATION - A disclosed base station includes a communication unit configured to receive from a mobile station a first report signal including base station specification information specifying a base station, reception quality information indicating reception quality of a signal received from the specified base station, and change request information requesting to change communication quality between the mobile station and the specified base station; and an automatic area control unit configured to determine whether the base station is specified by the base station specification information, to obtain location information indicating the location of the mobile station if the base station is specified by the base station specification information, and to change at least one base station parameter based on the reception quality information and the location information to change the reception quality at the location of the mobile station. | 01-10-2013 |
20130023277 | Method and Apparatus for Centrally Managed Allocation of Bandwidth in a Wireless Network - A method for allocating bandwidth in a wireless network includes communicating wirelessly with at least one endpoint using a first frequency bandwidth. The method may also include receiving a measurement of a signal quality from the at least one endpoint and communicating an indication of the signal quality to a server. The method may further include receiving from the server a second frequency bandwidth based on the signal quality and a cost per unit of frequency bandwidth. The second frequency bandwidth may indicate an amount of frequency bandwidth to use in communicating wirelessly with the at least one endpoint. The method may additionally include communicating wirelessly with the at least one endpoint using the second frequency bandwidth. | 01-24-2013 |
20130065602 | DEVICES, METHODS, AND COMPUTER-READABLE MEDIA FOR PROVIDING BROAD QUALITY OF SERVICE OPTIMIZATION USING POLICY-BASED SELECTIVE QUALITY DEGRADATION - Devices, methods and computer-readable media for providing broad quality of service optimization using policy-based selective quality degradation. Data associated with a quality of service for customers and QoS policy rules are stored. Customers are grouped for potential degradation. Levels of degradation are defined for each type of user device. Degradation for the group of customers is optimized using policy rules. Degradation is adjusted to account for variations in user treatment within the group. The adjusted degradation is then implemented. | 03-14-2013 |
20130072213 | Methods And Apparatus For Radio Resource Allocation - Systems and techniques for scheduling of use of resources by wireless devices and allocation of resources among devices. Information is received relating to channel efficiency experienced by a user equipment and also to the channel efficiency experienced by other user equipments. The information may include channel gain. Scheduling and resource allocation are performed so as to provide service to each device while minimizing interference penalties imposed by devices on one another. Scheduling and resource allocation may be evaluated and conducted through a number of mechanisms, such as ranking users according to transmit power, ranking user equipments according to target signal to noise ratios, and evaluation of relative advantages to users with the evaluation being performed resource block by resource block. The various metrics take into account both advantages to a particular user equipment under consideration and detrimental effects on other user equipment. | 03-21-2013 |
20130072214 | SYSTEM, METHOD AND APPARATUS FOR ALLOCATING WIRELESS CHANNELS IN A MULTI-CHANNEL ACCESS POINT - Methods and apparatus provide for channel selection within a wireless network. A multi-channel wireless access point may select a channel for a wireless device requesting data or voice service based on the transmit times of each channel supported by the multi-channel wireless access point. The transmit times may be based on the physical rates of the devices assigned to each channel. The channel may also be selected based on the quality of service requested by the wireless device, the medium occupancy of each channel, or the number of wireless devices assigned to each channel. Alternatively the wireless device may select the channel for assignment based on channel statistics information provided by the multi-channel wireless access point. This information may be provided through one or more beacon signals, or supplied in response to a request for the information from a wireless device. | 03-21-2013 |
20130084881 | METHOD, APPARATUS, AND SYSTEM FOR QOS CONTROL BASED ON CHARGING SYSTEM - Embodiments of the present invention provide a method, an apparatus, and a system for QoS control based on a charging system. In solutions provided by the embodiments of the present invention, after a service resource reservation request from a PCEF is received, a preset QoS value for a service may be directly determined according to a service identifier of the service from a locally stored mapping relationship between service identifiers and preset QoS values of services, and a QoS value for the service is determined according to the preset QoS value, and the determined QoS value is directly delivered to the PCEF, so that the QoS value for the service may be determined and delivered without the participation of the PCRF, so as to significantly reduce the time for determining the QoS value for the service. | 04-04-2013 |
20130090128 | COMMUNICATION DEVICE, SERVICE-AREA ADJUSTING METHOD, AND MOBILE COMMUNICATION SYSTEM - There are provided a communication device, service-area adjusting method, and mobile communication system capable of accurately executing an optimization algorithm on an actual field. An EMS (a communication device) acquires an index value indicating downstream reception quality of a mobile station in a communication area from the mobile station via a base station in the communication area with respect to each mobile station. Then, the EMS determines whether to start or end the execution of arithmetic processing of a transmission parameter of each base station in the communication area by comparing a value based on at least any of average communication quality between the base station and mobile station in the communication area, throughput, and received power, which is obtained based on an index value of each mobile station, with a reference value. | 04-11-2013 |
20130095844 | METHOD FOR MANAGING A WIRELESS TELECOMMUNICATION NETWORK - The invention relates to a method for managing cells ( | 04-18-2013 |
20130095845 | APPARATUS FOR SUPPORTING A MOBILE STATION TO COMMUNICATE WITH TWO OR MORE NETWORKS IN A MOBILE COMMUNICATION SYSTEM AND METHOD THEREOF - An apparatus for supporting a mobile station (MS) to perform a communication using a plurality of networks in a mobile communication system and method thereof are disclosed. According to the present invention, a serving base station (BS) of the MS receives information on at least one heterogeneous network from a BS of each of the at least one heterogeneous network. The serving BS of the MS selects at least one of a heterogeneous network to be allocated to the MS and a channel of the heterogeneous network based on the received information on the at least one heterogeneous network. And, the serving BS of the MS transmits an information on the selected heterogeneous network to the MS. | 04-18-2013 |
20130102321 | RADIO-RESOURCE MANAGEMENT SYSTEM AND METHOD THEREOF, AND MANAGEMENT APPARATUS, BASE STATION AND TERMINAL TO BE EMPLOYED FOR IT - Terminals and base stations belonging to service areas of plural radio operators periodically measure a radio-link quality and an availability ratio of a radio link to notify them to a radio-resource management server. The server alters a frequency of the base station, and a transmitted-power quantity of the base station and the terminal based on these measured results to improve the radio-link quality, and reduces interference with a neighboring radio system. When a load is concentrated on a network of a specific radio operator, handover instruction is given to the terminal from the server to realize a load distribution. When the server detects excessive radio interference between the radio operators, it notifies occurrence of a fault, an interference quantity, a quantity of the transmitted power that the base station should attenuate, and the frequency that the base station should alter to the radio operator that becomes an interference source. | 04-25-2013 |
20130109402 | RESOURCES ALLOCATION METHOD AND APPARATUS FOR MULTIPLE RADIO REMOTE UNITS SHARING A CELL | 05-02-2013 |
20130122924 | METHOD FOR MITIGATING INTERFERENCE CAUSED BY BASE STATIONS, AND TERMINALS AND BASE STATIONS SUPPORTING THE METHOD - Provided is a method of mitigating interference caused by a base station. The method includes (a) determining whether there is an accessible base station among one or more base stations, and (b) sequentially determining channel information, which enables minimization of transmission power of each of the base stations, by base station among channel information between each of the base stations and a terminal to transmit the determined channel information to each of the base stations until an accessible base station is found when there is no accessible base station. | 05-16-2013 |
20130143583 | APPARATUS AND METHOD FOR PERFORMING SAFE COMMUNICATION IN WIRELESS COMMUNICATION SYSTEM - A base station, a wireless terminal and a communication method of a wireless communication system are provided. The base station includes a receiver for receiving a signal from a wireless terminal or another base station, a transmitter for transmitting a signal to the wireless terminal or the another base station, and a controller for generating resource scheduling or control information for communication of the wireless terminal in a cell including at least two base stations included in a moving path of the wireless terminal and for transmitting the generated resource scheduling or control information to the wireless terminal and at least one of the base stations included in the cell. | 06-06-2013 |
20130150068 | METHOD AND APPARATUS FOR BASE STATIONS AND THEIR PROVISIONING, MANAGEMENT, AND NETWORKING - In wireless system, a group of Base station (BTSs) with smaller footprints have the capability to communicate with each other as well as with the BTSs with relatively larger footprints via wireless air-interfaces. One of such example is coordinated cell systems. A coordinated cell system comprises a group of coordinated cell base stations that have the capability to communicate with each other as well as with relevant macro cell or Pico cell base stations via wireless air-interfaces. Each coordinated cell BTS consists of an over the air control unit in addition to the conventional coordinated cell BTS system. A set of protocols in the form of messages and database are also defined to enable the networking capability. This enables enhancement in performing a variety of tasks by coordinated cell systems, including interference management and coordination, registration and authentication, quality of service coordination, installation and maintenance, location services, etc. | 06-13-2013 |
20130150069 | MOBILE COMMUNICATION SYSTEM, BASE STATION, AND MOBILE COMMUNICATION METHOD - A radio network controller includes an acquisition unit configured to acquire a radio communication state of a neighboring cell located around a cell formed by a base station which the mobile station camps on among base stations, and a level determination unit configured to determine the in-out reception level based on an acquisition result of the radio communication state by the acquisition unit. The level determination unit calculates an estimated reception level of the radio channel in a reception level tie point P in which the reception level of the radio channel transmitted by a base station | 06-13-2013 |
20130150070 | Systems and Methods for Providing Time and Location Dependent Bandwidth in Wireless Networks - Systems and methods are described for allocating bandwidth in a wireless network. Entry of subscriber equipment into a wireless network is detected at a base station which typically provides information used to determine geographic location of the subscriber equipment. Based on the determined location, a level of service is selected from a plurality of service levels available to a subscriber and provided. Location can be determined based on information provided by the subscriber equipment, provided by a global positioning system and/or provided by a user of the subscriber equipment. Location of the subscriber equipment can be identified with an activity of a user of the subscriber equipment, including business and non-commercial activity. Selection of the level of service may be further based upon time of day, day of week or upon a date and time of provision of the level of service. | 06-13-2013 |
20130157679 | Quality of Service Management in Radio Network - A method, apparatus, and computer program for controlling device-to-device connections and associated quality-of-service parameters are presented. The quality-of-service parameters of an end-to-end connection through a plurality of different radio access networks are aligned in connection with changing a communication mode to a direct device-to-device connection. | 06-20-2013 |
20130157680 | RADIO COMMUNICATION SYSTEM, RADIO RESOURCE DETERMINATION METHOD THEREFOR, COMMUNICATION MANAGEMENT DEVICE, AND CONTROL METHOD AND CONTROL PROGRAM FOR COMMUNICATION MANAGEMENT DEVICE - In order to effectively determine an optimized radio resource, a radio communication system ( | 06-20-2013 |
20130183995 | Methods and Systems for Dynamic Spectrum Arbitrage - Methods and system are provided for managing and monitoring allocation of RF spectrum resources based on time, space and frequency. A network may be enabled to allocate excess spectrum resources for use by other network providers on a real-time basis. Allocated resources may be transferred from one provider with excess resources to another in need of additional resources based on contractual terms or on a real-time purchase negotiations and settlements. A network may be enabled to monitor the use of allocated resources on real-time basis and off-load or allow additional users depending on the spectrum resources availability. Public safety networks may be enabled to make spectrum resources available to general public by allocating spectrum resources and monitoring the use of those resources. During an emergency, when traffic increases on a public safety network, the public safety networks may off-load bandwidth traffic to make available necessary resources for public safety users. | 07-18-2013 |
20130225193 | CENTRALIZED-SCHEDULING METHOD AND APPARATUS FOR INTER-CELL INTERFERENCE COORDINATION IN HETEROGENEOUS NETWORK - A centralized scheduling method and apparatus is provided for minimizing inter-cell interference in the wireless communication system adopting femto-eNB-based service coverage expansion (range expansion). The method includes establishing, by a server, a connection with at least one base station, collecting channel information between the at least one base station connected to the server and terminals, determining interfering base stations causing interference to each terminal based on the channel information, and selecting the terminals to be scheduled in consideration of the interfering base stations. | 08-29-2013 |
20130225194 | METHOD FOR CONTROLLING INTER-CELL INTERFERENCE IN A MOBILE COMMUNICATION SYSTEM - A method for controlling inter-cell interference (ICI) in a mobile communication system by transmitting uplink control information from a base station in a home cell to a terminal of a neighboring cell based on ICI amount information measured at the base station. The ICI control method includes receiving an uplink signal at a base station and extracting inter-cell interference amount information from the uplink signal, generating uplink control information based on the extracted inter-cell interference amount information, and transmitting the uplink control information to a terminal in a neighboring cell. The terminal schedules an uplink resource including selecting frequency bands for an uplink signal by referring to the uplink control information. | 08-29-2013 |
20130244683 | WIRELESS COMMUNICATION SYSTEM, TRANSMISSION CHANNEL SELECTION METHOD, AND TRANSMISSION CHANNEL SELECTION PROGRAM - A transmission channel selection method includes: collects information for calculating evaluation values of each of a plurality of transmission channels, and calculates separate evaluation values of the transmission channels individually with respect to each of a plurality of mobile stations; reduces the number of candidates for the transmission channels with respect to the plurality of mobile stations using the separate evaluation values; collects information for jointly calculating evaluation values of the transmission channels with respect to at least one of the plurality of mobile stations, and calculates the joint-separate evaluation values; and selects the communication paths of the plurality of mobile stations using the separate evaluation values and the joint-separate evaluation values. | 09-19-2013 |
20130267240 | DOWNLINK LIMITED-FEEDBACK INTERFERENCE ALIGNMENT WITH CONSTANT AMPLITUDE CODEBOOKS AND RATE BALANCE SCHEDULING - Downlink interference alignment schemes are described which provide, among other things, channel state information (CSI) from the UEs using a constant amplitude codebook. By providing only phase information associated the UEs' channel states, instead of both amplitude and phase information, fewer bits can be used to inform the BSs of the UEs effective channels, thereby reducing the bandwidth requirements associated with the transmission of CSI by UEs for downlink interference alignment purposes. According to other embodiments, feedback information can be used to perform user selection scheduling and rate balancing. | 10-10-2013 |
20130267241 | METHOD AND APPARATUS FOR COORDINATING INTERCELL INTERFERENCE - A method for coordinating intercell interference and a wireless communication system are disclosed. The method includes calculating, by a first device, a beamforming vector, transmitting a signal to a first terminal using the beamforming vector calculated by the first device, receiving, by the first device, Quality of Service (QoS) information equivalent to the signal transmitted from the first terminal, and determining whether the QoS information received by the first device satisfies a predetermined first criterion and transmitting information indicating whether QoS is satisfied to a first base station. | 10-10-2013 |
20130273931 | Mechanism for Providing Channel Feedback in Multi-Cell Communication - There is proposed a mechanism allowing a compressed multi-cell channel state information feedback. In a user equipment communicating with plural base stations such as eNBs, a joint set of communication subbands is identified which includes those subbands which provide a specific communication quality level, and which are common to at least two of the plural cells. Then, a status report is generated and transmitted to the control nodes of each of the plural cells. The status report includes an information regarding the joint set of communication subbands, cell specific information including quality indicators for each cell of the plurality of cells related to a transmission using the subbands of the respective cell included in the joint set of communication subbands and quality indicators for each cell of the plurality of cells related to a transmission using all subbands of the respective cell, and joint information concerning a joint quality indicator related to a transmission using all cells. | 10-17-2013 |
20130281108 | COORDINATED OPTIMIZATION OF UNDERLAY NETWORK COMMUNICATION FOR EFFICIENT USE OF SPECTRUM - A system and method for selecting an optimal frequency channel to communicate on in a wireless network is disclosed. The optimal frequency is selected from a predefined set of frequencies for all nodes to communicate on based on an exposure calculation. All underlay nodes collect initial SNR information from initial detection of other nodes and adjust their transmit power for an intended receiver such that the signal is received at the lowest allowable underlay-to-overlay power ratio, thus minimizing exposure. The desired underlay-to-overlay ratio is set based on how much we are capable of cancelling the overlay signal and the SINR at which a signal can be recovered such that the data can be successfully received from the underlay node. The optimal channel selected by this algorithm is the one with the least area of undesired exposure, or least probability of interfering with the primary user. The performance increases as a function of number of nodes, or data points. | 10-24-2013 |
20130288699 | METHOD AND APPARATUS FOR INTERFERENCE ALIGNMENT IN WIRELESS COMMUNICATION SYSTEM - A method for operating a base station in a wireless communication system is provided. In the method, feedback is received from at least one terminal. When the base station configures terminal allocation information, a terminal that the base station is to service is determined based on information included in the feedback. A combination of base stations allowing the determined terminal to obtain maximal performance is determined with consideration of the information included in the feedback and a gain of cooperation between base stations. | 10-31-2013 |
20130324145 | LINK ADAPTATION RESUMPTION BASED ON CQI OFFSET - Methods, apparatuses and computer readable media are described that adjust signaling messages that include channel quality metrics communicated between a mobile wireless device and a wireless access network before and/or after interruption of a connection to improve downlink performance after resumption of the connection. One or more adjusted channel quality metrics are determined and communicated to the wireless access network to compensate at least in part for an estimate of communication channel performance degradation by a network element of the wireless access network following the interruption and resumption of the connection between the mobile wireless device and the wireless access network. | 12-05-2013 |
20130331115 | COMMUNICATION OF DATA USING INDEPENDENT DOWNLINK AND UPLINK CONNECTIONS - In communication of data between a first base station and a mobile terminal, a second base station may handle uplink transmissions from the mobile terminal. For this purpose, the first base station sends, to the second base station, a request to handle the uplink transmissions from the mobile terminal. The handling of the uplink transmissions to be performed by the second base station includes scheduling of the uplink transmissions so as to obtain uplink scheduling information. Via a backhaul link, the second base station transmits the uplink scheduling information to the first base station. The first base station includes the uplink scheduling information into downlink transmissions to the mobile terminal. | 12-12-2013 |
20130337823 | RADIO RESOURCE ALLOCATION MECHANISM - A cellular communication system comprising a plurality of user equipment and a network infrastructure. Radio resource of the plurality of cells is divided into more than one radio resource groups. A network infrastructure element detects a requirement of radio resource allocation for a user equipment and determines effective interference to be generated by the required radio resource to a defined group of neighbouring cells. User equipment is allocated a radio resource from one of the radio resource groups on the basis of the determined effective interference to be generated to the defined group of neighbouring cells. Inter-cell interference decreases and the throughput of the cellular system increases, but the exchange of physical layer information is not increased. | 12-19-2013 |
20140004871 | SYSTEM AND METHOD FOR DETERMINING AIR INTERFACE INFORMATION FOR RADIO RESOURCE MANAGEMENT IN WIRELESS COMMUNICATIONS | 01-02-2014 |
20140011512 | METHOD, APPARATUS, AND SYSTEM FOR CONTROLLING SERVICES - The present invention provides a method, an apparatus, and a system for controlling services, where the method includes: receiving, by a PCRF, congestion state information on a cell, resource-related information on the cell, and subscriber-related information on a UE in an activated state in the cell that are sent by an access network device; generating, by the PCRF, a QoS policy and/or a charging policy for the UE in the activated state in the cell according to the congestion state information on the cell, the resource-related information on the cell, and the subscriber-related information on the UE in the activated state in the cell; sending, by the PCRF, the generated QoS policy and/or charging policy to a PCEF, so as to enable the PCEF to execute the QoS policy and/or the charging policy. | 01-09-2014 |
20140011513 | Mobile Device Location Estimation Using Operational Data of a Wireless Network - A method for location estimation of a mobile device using operational data of a wireless network includes creating a geospatial model of a wireless network. The geospatial model may include a geometry representative of coverage area of each antenna in the wireless network. The geometry may be created, by the modeling module, based on a tower data of the wireless network and an operational data from the wireless network. The geospatial model may further include range bands for each antenna, created based on the operational data. In addition, the method includes receiving, by the modeling module, a model of a plurality of sites for an area of the wireless network. Further, the method includes determining, by a location module, the location of the mobile device in the wireless network based on the geospatial model of a wireless network, the geospatial model of geospatial features and real-time operational data. | 01-09-2014 |
20140018093 | MOBILE COMMUNICATION SYSTEM, MOBILE STATION, BASE STATION, AND COMMUNICATION METHOD - A mobile communication system includes a base station and a mobile station. The base station receives a report on a channel state from the mobile station. The base station includes a receiving unit and a sending unit. The receiving unit receives a trigger for the report on the channel state sent from the mobile station. The sending unit sends allocation information on the radio resource used for the report on the channel state. The mobile station reports the channel state to the base station. The mobile station includes a sending unit and a receiving unit. The sending unit sends a trigger for a report on the channel state. The receiving unit receives the allocation information. The sending unit sends information on the channel state based on the allocation information. | 01-16-2014 |
20140024388 | PROVIDING MOBILE-GUIDED DOWNLINK INTERFERENCE MANAGEMENT - Systems and methods can be implemented on a user device and eNBs to manage downlink interference at the user device. The user device in a cell associated with a corresponding serving base station may receive interference from one or more interfering base stations. The user device can identify a preferred radio resource set in response to the detected interference and transmit a preferred radio resource indication to at least the serving base station in response to the detected interference. The preferred radio resource indication can be used for identifying the preferred radio resource set associated with the serving base station. | 01-23-2014 |
20140031053 | METHOD AND APPARATUS FOR PLANNING RADIO FREQUENCY SPECTRUM IN A FIXED WIRELESS NETWORK - A method and apparatus for selecting a bandwidth option for a cell in a network are disclosed. For example, the method obtains, for the cell, network traffic data for a geographical area for mobility traffic and fixed wireless traffic, a physical characteristic of an antenna in the geographical area, and a type of connectivity at a customer premise, determines a busy time data traffic from the network traffic data for both the fixed wireless traffic and the mobility traffic, determines, for the cell, a cell range from the physical characteristic of the antenna and the type of connectivity at the customer premise, selects a bandwidth option from a plurality of bandwidth options, and determines an average throughput in accordance with the bandwidth option that is selected and the cell range, wherein the average throughput comprises a throughput for serving both the mobility traffic and the fixed wireless traffic. | 01-30-2014 |
20140031054 | Methods and Apparatus of Spectrum Sharing for Cellular-Controlled Offloading Using Unlicensed Band - There are provided measures for spectrum sharing for cellular-controlled offloading using an unlicensed band. Such measures exemplarily comprise initiating an offloading of traffic from a cellular link on a cellular band to an unlicensed link on an unlicensed band, wherein the unlicensed link is synchronized with the cellular link, and sensing a channel on the unlicensed band in a symbol-synchronized sensing duration of at least one symbol length at the beginning of a predetermined subframe of the unlicensed band. | 01-30-2014 |
20140038631 | OPTIMIZING CELL TRAFFIC LOAD AND INTERFERENCE THROUGH HIGH INTERFERENCE INDICATORS - Technologies are generally described for alleviating inter-cell interference experienced by relays in wireless networks such as cellular systems that rely on relays to facilitate some communication between end user devices and base stations (BTSs). A BTS serving a relay may gather information on resource blocks being used to communicate between the relay and an end user. Then, the BTS may send interference indication signals such as High Interference Indicators (HII) or related signals on behalf of sub-communications executed by entities within the cell. Another BTS of a neighboring cell receiving the signals may avoid scheduling on those resource blocks, if possible, thereby relieving the relay link from potentially significant interference. | 02-06-2014 |
20140038632 | SYSTEMS AND METHODS FOR CONFIGURING SUBSCRIBER SYSTEMS IN WIRELESS MESH NETWORKS - A wireless network may be managed by identifying one or more wireless subscriber systems included in a lobe pool of a wireless network, identifying at least one candidate subscriber system outside of the lobe pool with which to enable communications, and reconfiguring the antenna such that the lobe pool includes the identified candidate subscriber system. | 02-06-2014 |
20140038633 | MOBILE COMMUNICATION METHOD, RADIO BASE STATION, AND MOBILE STATION - The radio quality among a plurality of mobile stations is measured. A mobile communication method according to the present invention includes the steps of: transmitting, by a radio base station eNB, a setting signal # | 02-06-2014 |
20140045512 | SCHEDULING METHOD AND TASK PROCESSING METHOD - A scheduling method is executed by a first apparatus among a plurality of apparatuses. The scheduling method includes assigning a process to at least one apparatus among the apparatuses based on a first table that includes each communication strength of the apparatuses; receiving an execution result of the process and a communication strength from the at least one apparatus; and creating the first table based on the received communication strength. | 02-13-2014 |
20140045513 | RADIO RESOURCE DIVISION FOR COMPENSATING RATIO CHANGES OF OTHER CLUSTERS - The present invention relates to a method in which a management station divides radio resources for base stations which belong to a plurality of groups in a wireless communication system, and comprises the steps of: receiving a first message requesting an increase in resource allocation from at least one base station which belongs to a first group within a first cluster; receiving a second message requesting an increase in resource allocation from at least one base station which belongs to a second group within a second cluster; and changing each of the resource division ratios of the first group and the second group within the first cluster and the second cluster, wherein the resource division ratios of the first group and the second group are changed based on necessary resource information within the first message and the second message. | 02-13-2014 |
20140051456 | METHOD AND APPARATUS FOR ENABLING VEHICLE APPLICATIONS USING HETEROGENEOUS WIRELESS DATA PIPES - A method for determining which of a plurality of data connectivity pipes will be used to transmit data for one or more applications operating on a vehicle. The method identifies which of the applications are active at a particular point in time and identifies a number of available configurations based on the number of applications that are active and the number of the data pipes that are available to transmit the data for the application. The method identifies a plurality of performance metrics for each configuration and determines an optimal performance value for each performance metric from all of the configurations. The method then determines an overall utility function for each configuration that is based on its performance metrics and the optimal performance value and selects a data pipe for each application that is active based on a maximum overall utility function from each application's available overall utility functions. | 02-20-2014 |
20140051457 | Evolved Packet System Quality of Service Enforcement Deactivation Handling to Prevent Unexpected User Equipment Detach - A system of a telecommunications network is provided. The system includes a processor configured to promote preventing a detachment of a user equipment (UE) from the network by preventing deactivation of at least one default bearer between the UE and the network when at least one bearer between the UE and the network is to be deactivated based on a quality of service parameter. | 02-20-2014 |
20140057644 | NETWORK AND USER BEHAVIOR BASED TIME-SHIFTED MOBILE DATA TRANSMISSION - A system, and computer program product for mobile data transmission are provided in the illustrative embodiments. A request for data is received from a mobile device. A determination is made whether a data transmission over a mobile data communication network in response to the request can be delayed, forming a time-shifting determination. A determination is made, responsive to the time-shifting determination being affirmative, a delayed schedule for the data transmission in response to the request such that the data transmission is completed by a deadline. The data is transmitted over the mobile data communication network according to the delayed schedule. | 02-27-2014 |
20140066084 | PROVIDING SERVICE BASED ON QUALITY OF SERVICE RESOURCES IN A LONG TERM EVOLUTION COMMUNICATIONS SYSTEM - In an embodiment, an apparatus (e.g., a client device or a server) sends, to a Long Term Evolution (LTE) network component, a request to setup a Quality of Service (QoS) bearer with a threshold level of QoS to support the communication session for the client device. The apparatus permits the client device to proceed with the attempt to setup the communication session irrespective of whether the LTE network component grants the threshold level of QoS for the QoS bearer. In another embodiment, the LTE network component rejects an initial QoS request from the apparatus due to QoS unavailability, and then receives another QoS request within a threshold period of time. Based on the two (or more) QoS requests being received within the threshold period of time, the LTE network component allocates an available level of QoS to the client device that is less than the requested level of QoS. | 03-06-2014 |
20140073342 | COORDINATION AND QoS SCHEDULING - A scheduler for a cellular telecommunications network is provided having a first base station corresponding to a first cell and serving a cell area, the scheduler being adapted to: identify mobile devices located at the edge of the cell area; obtain resource usage information of mobile devices located at the edge of neighbouring cell areas; and, allocate resource blocks for data transmission based on the location of the mobile devices and the received resource usage information, wherein those data transmissions with a high priority indication and which are for mobile devices located at the edge of the cell area are allocated with a higher priority than those data transmissions with a high priority indication and which are for mobile devices not located at the edge of the cell area. An associated method and computer readable storage medium are also provided. | 03-13-2014 |
20140087749 | THREE LAYER CASCADE ADAPTIVE NEURAL FUZZY INFERENCE SYSTEM (ANFIS) BASED INTELLIGENT CONTROLLER SCHEME AND DEVICE - Intelligent technique is an effective method to perform the network resource management. A three layer cascade adaptive neural fuzzy inference system (ANFIS) based intelligent controller is proposed for the mobile wireless network to optimize the maximum average throughput, minimum transmit power and interference for multimedia call services. The proposed intelligent controller is designed with a three layer cascade architecture, which mainly contains an ANFIS rate controller (ARC) in the first layer, an ANFIS power controller (APC) in the second layer and an ANFIS interference controller (AIC) in the third layer. The design aim of the proposed three layer cascade ANFIS cognitive engine is maximizing the average throughput of the mobile wireless network, while minimizing the transmit power and interference power. | 03-27-2014 |
20140087750 | APPARATUS AND METHOD FOR SETTING UP RADIO FRONT HAUL LINK IN COOPERATIVE COMMUNICATION SYSTEM - A method for setting up a radio front haul link by a serving Base Station (BS) in a cooperative communication system is provided. The method includes receiving a measurement result report message including a measurement result for each of a serving BS and neighbor BSs, determining at least one neighbor BS with which the serving BS will set up a radio front haul link according to the measurement result for each of the serving BS and the neighbor BSs, and performing a radio front haul link set up operation with the at least one neighbor BS. | 03-27-2014 |
20140099967 | Method and Apparatus for Predicting Mobile Device Wireless Link Quality of Service Requirements Along a Predicted Path - An information handling system includes a wireless adapter for communicating with a wireless link and a storage device for storing a spatial-temporal user profile comprising historical wireless service type profiles for a location where the information handling system is operating. The information handling system further includes an application processor that selects a predicted future system during a future time interval. The application processor determines quality of service requirements along the predicted future system. | 04-10-2014 |
20140099968 | METHOD FOR SCHEDULING USERS IN A CELLULAR ENVIRONMENT, SCHEDULER AND WIRELESS NETWORK - A method for scheduling users in a cellular environment such that a Pareto optimal power control can be applied, includes determining whether a set of users in the cellular environment fulfills a feasibility condition for the Pareto optimal power control, and in case the feasibility condition for the Pareto optimal power control is not fulfilled, modifying the SINR targets of the users such that the feasibility condition for the Pareto optimal power control is fulfilled. | 04-10-2014 |
20140106772 | TIERED WIRELESS, MULTI-MODAL ACCESS SYSTEM AND METHOD - A wireless, multi-modal access device and system adapted to integrate a number of communications networks operating in differing communication modes to facilitate transfer of communication links during a communication session to promote efficient use of the communication networks. The system includes a plurality of Universal Multi-Modal Access Devices UMMAD that are capable of operating at different frequencies and different protocols (TDMA, AMPS, CDMA, GSM, PCS etc) to communicate with any one of a number of Wide Bandwidth Gateways (WBG), which are each capable of communication using one or more of the protocols. The communication links may be switched from one WBG to another or from one protocol to another during a communication session to continue the session under the control of a Universal System Traffic Controller. Numerous other applications of the UMMADs for unique identification and e-commerce are disclosed. | 04-17-2014 |
20140113648 | SYSTEMS AND METHODS FOR PROVIDING TIME AND LOCATION DEPENDENT BANDWIDTH IN WIRELESS NETWORKS - Systems and methods are described for allocating bandwidth in a wireless network. Entry of subscriber equipment into a wireless network is detected at a base station which typically provides information used to determine geographic location of the subscriber equipment. Based on the determined location, a level of service is selected from a plurality of service levels available to a subscriber and provided. Location can be determined based on information provided by the subscriber equipment, provided by a global positioning system and/or provided by a user of the subscriber equipment. Location of the subscriber equipment can be identified with an activity of a user of the subscriber equipment, including business and non-commercial activity. Selection of the level of service may be further based upon time of day, day of week or upon a date and time of provision of the level of service. | 04-24-2014 |
20140120937 | APPARATUS AND METHOD FOR MITIGATING INTER-CELL INTERFERENCE IN MULTIPLE ANTENNA SYSTEM - A method for operating a Base Station (BS) in a wireless communication system is provided. The method comprises of receiving at least one request set for at least one neighboring cell, from at least one Mobile Station (MS), updating the at least one request set based at least in part on a serving band of each MS, and transmitting the updated at least one request set to the at least one neighboring cell, wherein the request set comprises a band and a Precoding Matrix Index (PMI) for making a use restriction or recommendation request to a neighboring cell. | 05-01-2014 |
20140128089 | METHOD FOR ALLOCATING WIRELESS RESOURCES IN WIRELESS ACCESS SYSTEM AND DEVICE THEREFORE - The present invention pertains to a method for allocating wireless resources used in device-to-device communication in a wireless access system which supports device-to-device communication, and a device therefore. Specifically, the invention includes a step for receiving resource control information through a control channel from a base station during device-to-device communication of a first device and a second device, and a step for allocating wireless resources which do not interfere in the device-to-device communication of another device and the second device by using resource control information of the first device when interference with another device occurs due to device-to-device communication of the first device and the second device. | 05-08-2014 |
20140128090 | METHOD AND DEVICE FOR SHARING MOBILE FEMTOCELL NETWORK - The present invention relates to a method for sharing a femtocell network, and more specifically, to a method and device for sharing a mobile femtocell network. The method relates to a method in a mobile femtocell base station, and includes the steps of: receiving information about a service level of a neighboring mobile femtocell in the mobile femtocell base station; determining the service level of the neighboring mobile femtocell based on the information; and transmitting a transmission power control request about the neighboring mobile femtocell to a femtocell network controller to reduce interference of the neighboring mobile femtocell according to the determination result. | 05-08-2014 |
20140135028 | SCHEDULING AND RATE CONTROL COORDINATION ACCOUNTING FOR INTERFERENCE CANCELLATION AT A MOBILE TERMINAL - Devices and methods for scheduling and interference cancellation that consider the interference cancellation capability of user equipment (UEs) are disclosed. Using reduced-rate sub-frame (or resource block) strategies, the transmission data rate to a scheduled user in a given cell may be reduced to ensure effective interference cancellation performance at the receiver of a co-scheduled user in another cell. By taking advantage of interference mitigation at one or more terminals, a scheduler may improve network spectral efficiency compared to existing inter-cell interference cancellation schemes, including almost blank sub-frame (ABS), further enhanced inter-cell interference coordination (FeICIC), and other resource partitioning schemes, such as reduced power sub-frames or frequency domain resource partitioning. | 05-15-2014 |
20140135029 | APPARATUS AND METHOD FOR MITIGATING INTER-CELL INTERFERENCE IN CELLULAR COMMUNICATION SYSTEM - A method for mitigating inter-cell interference by a base station in a cellular communication system. The base station determines cells to which same frequency resources are allocated, and which cause interference to each other, and determines a starting time slot, at which resource allocation to each cell starts, as a different time slot for each cell, taking into account a number of the cells and time slots constituting time resources. In response to receiving a call setup request from a terminal, the base station selects a time slot taking into account interference information of each of the time slots, and allocates a resource based on the selected time slot to the terminal. | 05-15-2014 |
20140141793 | SYSTEM AND METHOD TO MANAGE QOS IN A BANDWIDTH-CONSTRAINED NETWORK (CELLULAR) BY SENDING TOWER-INITIATED POLICY CHANGES TO INDIVIDUAL PHONES - A method, system and computer-usable medium are disclosed for preemptively managing bandwidth consumption in a wireless network environment. A wireless service provider monitors network activity to generate network bandwidth availability data. The network bandwidth availability data is processed with bandwidth consumption projection data to determine whether the wireless network is able to provide a first amount of bandwidth. If the wireless network is unable to provide the first amount of bandwidth, then it generates a bandwidth mitigation request, which it in turn provides to a mobile device. If an affirmative response is received from the mobile device, then it is provided a second amount of bandwidth, which is less than the first amount of bandwidth. | 05-22-2014 |
20140148188 | METHODS AND APPARATUSES FOR UPLINK RESOURCE UTILIZATION IN A TELECOMMUNICATIONS SYSTEM - It is presented methods and apparatuses for uplink resource utilization in a telecommunication system. More particularly, embodiments disclosed herein relate to a method performed in a user equipment ( | 05-29-2014 |
20140155079 | METHOD FOR SPECTRUM ALLOCATION BASED ON INTERFERENCE SUPPRESSION AND USER DIFFERENCE BANDWIDTH REQUIREMENTS - The present invention relates to the technical field of wireless communication and of mobile communication, and more particularly to a method for spectrum resource allocation and interference avoidance of femtocell in a heterogeneous environment consisting of macro cell and femtocell, and specifically to a spectrum allocation method based on interference suppression and user difference bandwidth requirements. According to the spectrum allocation method based on interference suppression and user difference bandwidth requirements of the present invention, spectrum resource can be allocated reasonably according to the priority level of bandwidth requirements in combination with graph coloring algorithm and chromaticity preference algorithm. In this manner, in-layer interference among femtocells and cross-layer interference among femtocells and macro cells can be effectively suppressed, the difference bandwidth requirements of femtocell users can be satisfied, and the efficiency of frequency utilization and the whole throughput of system can be also optimized to the maximum extent. | 06-05-2014 |
20140162676 | Management Of Voice Communications Over Long Term Evolution Networks - A first network device in a network, such as an LTE network, configured to establish a default bearer between a node and the first network device. The first network device may transmit a first communication type between the first network device and the node over the a default bearer and receive a service request requesting the establishment of a dedicated bearer for the transmission of a second communication type between the first network device and the node, the service request requesting that the dedicated bearer have a quality of service higher than the quality of service of the default bearer. The first network device may transmit the second type of communication between the first network device and the node over the default bearer, establish the dedicated bearer, and then switch the transmission of the second type of communication from the default bearer to the dedicated bearer. | 06-12-2014 |
20140162677 | QUALITY OF SERVICE PRIORITISATION - A cellular network comprises a base station in communication with a plurality of User Equipment stations. A scheduling controller for an entity in the cellular network is configured to allocate a priority to the transmissions for each of the plurality of User Equipment stations according to a device type determined for the respective User Equipment station. A User Equipment device analyser for an entity in a cellular network, configured to determine a device type for a User Equipment station within the cellular network on the basis of one or more of: the IMEI of the User Equipment station; the traffic pattern for previous communications between the cellular network and the User Equipment station; and a terminal type information transmitted by the User Equipment station within HTTP data. | 06-12-2014 |
20140162678 | METHOD AND APPARATUS FOR DYNAMIC RESOURCE ALLOCATION - A dynamic resource allocating apparatus of a first base station managing a first cell in a cellular communication system calculates an interference metric of each user terminal received by each user terminal from a plurality of neighboring cells, calculates a coupling factor between the first base station and each neighboring base station of each neighboring cell by using the interference metric and a load of each user terminal, calculates available cell boundary resources of neighboring cells by using the coupling factor with respect to each neighboring base station, and allocates resources by using the cell boundary resources allocated to the first cell and the available cell boundary resources of the neighboring cells. | 06-12-2014 |
20140162679 | METHOD AND APPARATUS FOR ADAPTIVE REDUCTION OF INTERFERENCE IN A SMALL CELL OF A MOBILE TELECOMMUNICATION SYSTEM - In a cell phone telecommunication system having a macrocell and a small cell coextensive with or adjacent to the macrocell and sharing a common frequency band, interference can occur between a user device operating in the small cell, the local base station operating the user devices in the small cell on one hand and another user device serviced by a main base station for the macrocell. In order to reduce this interference, the shape of the transmission beam from at least one of the user devices or base stations is shaped into a narrow beam steered to be directed at the respective receiving unit. Alternatively, the shape of the transmission beam has a null point and the beam is steered so that its null point is directed toward the affected unit. | 06-12-2014 |
20140179334 | SYSTEMS AND METHODS FOR EXPLOITING INTER-CELL MULTIPLEXING GAIN IN WIRELESS CELLULAR SYSTEMS VIA DISTRIBUTED INPUT DISTRIBUTED OUTPUT TECHNOLOGY - Systems and methods are described for exploiting inter-cell interference to achieve multiplexing gain in a multiple antenna system (MAS) with multi-user (MU) transmissions (“MU-MAS”). For example, a MU-MAS of one embodiment comprises a wireless cellular network with multiple distributed antennas operating cooperatively to eliminate inter-cell interference and increase network capacity exploiting inter-cell multiplexing gain. | 06-26-2014 |
20140179335 | METHOD, DEVICE AND SYSTEM FOR DYNAMIC FREQUENCY SPECTRUM OPTIMIZATION - The present invention discloses a method, a device and a system for dynamic frequency spectrum optimization. The method includes: predicting a traffic distribution of terminal(s) in each cell of multiple cells; generating multiple frequency spectrum allocation schemes for the multiple cells according to the traffic distribution of the terminal(s) in each cell, wherein each frequency spectrum allocation scheme comprises frequency spectrum(s) allocated for each cell; selecting a frequency spectrum allocation scheme superior to a current frequency spectrum allocation scheme of the multiple cells from the multiple frequency spectrum allocation schemes according to at least two network performance indicators of a network in which the multiple cells are located; and allocating frequency spectrum(s) for the multiple cells using the selected frequency spectrum allocation scheme. The present invention improves the utilization rate of the frequency spectrum and optimizes the multiple network performance indicators at the same time. | 06-26-2014 |
20140187255 | METHODS AND DEVICES FOR REDUCING INTERFERENCE IN HETEROGENEOUS COMMUNICATION NETWORKS BASED ON INTER-CELL INTERFERENCE COORDINATION - Devices and methods for reducing interference in a communication network including a first node and a first node coverage area, a second closed subscriber group (CSG) node located within the first node coverage area, and one or more user equipment (UE) devices located within the first node coverage area are provided. In one embodiment, a method includes receiving link quality measurement information from the one or more UE devices and determining if a link quality value for a UE device is below a predetermined link quality threshold value and is caused by the second CSG node. If both conditions are true, if the UE device is a member of the second CSG node, and if the first UE device does not include interference cancellation capability, the method further includes instructing the second CSG node to mute transmission causing interference for the UE device. | 07-03-2014 |
20140194135 | SYSTEM AND METHOD FOR CALIBRATION OF A DISTRIBUTED AMPLIFIER SYSTEM - A system and method in a distributed amplifier system for correcting for RF losses between head end and coverage nodes by measuring RF losses in both directions; generating gains for amplifiers in both the head ends and coverage nodes; generating maximum output power limits; and adjusting the generated gains and output power limits based on downlink signal strength of cellular signals at a donor antenna. | 07-10-2014 |
20140194136 | UPLINK POWER CONTROL USING RECEIVED REFERENCE SIGNAL - A user equipment (UE) includes circuitry configured to receive control information on a downlink control channel from a base station. The control information indicates an allocation of an uplink channel and the control information is sent in response to the base station determining that the UE is to send an adaptive modulation and coding report. The circuitry is further configured in response to the control information to transmit a communication in the allocated uplink channel in a time interval including at least one time slot. The communication includes an adaptive modulation and coding report, and a transmission power level of the communication is derived from the control information and a pathloss measured by the UE. | 07-10-2014 |
20140200021 | Interference Processing Method and Device - Embodiments of the present invention provide an interference processing method and device. A user equipment receives a notification message sent by a network side. The notification message includes a resource scheduling manner of a first base station, and the resource scheduling manner is a manner of allocating, by the first base station, resources for downlink service data transmission of a local user equipment. The user equipment detects, according to the resource scheduling manner, an interference signal generated by the first base station and performs interference cancellation processing according to a detection result. | 07-17-2014 |
20140206375 | RADIO COMMUNICATION SYSTEM, MOBILE STATION, BASE STATION, AND METHOD FOR CONTROLLING RADIO COMMUNICATION SYSTEM - A radio communication system includes a base station and a mobile station. The base station includes a controller that changes communication configurations when a plurality of communications with the mobile station at respective periodic communication intervals are scheduled to occur at the same communication timing so as to control to resolve simultaneous communications. The mobile station comprises a controller that performs communications with the base station using the communication configurations changed by the controller in the base station. | 07-24-2014 |
20140206376 | RADIO COMMUNICATION SYSTEM, RADIO BASE STATION, AND RADIO COMMUNICATION METHOD - The disclosed radio communication system can improve the transmission quality of control information. When the number of connections by a radio terminal to the radio base station is less than a predetermined value, a base station control unit ( | 07-24-2014 |
20140213275 | Methods of Performing Radio Resource Management, Network Node, Mobile Device, Base Station, and Wireless Communication System Using the Same Methods - A method of performing radio resource management for a network node in a wireless communication system is disclosed. The method includes the following steps: performing sub access system (SAS) allocation to serve at least one mobile device, respectively; and adaptively adjusting the SAS allocation according to sensing results from the least one mobile device. | 07-31-2014 |
20140213276 | INFLUENCING QUALITY OF SERVICE RELATED TO A TELECOMMUNICATION CONTACT - A method for influencing quality of service related to a communication link or session between a telecommunication terminal and a mobile radio telecommunication network includes: transmitting first control information related to a traffic load from the mobile radio telecommunication network to the telecommunication terminal; and receiving, at the mobile radio telecommunication network, second control information transmitted from the telecommunication terminal. | 07-31-2014 |
20140220997 | RADIO COMMUNICATION SYSTEM, BASE STATION, AND RADIO COMMUNICATION METHOD - A radio communication system includes a first base station that communicates with a mobile station and a second base station. The first base station includes a transmitting unit. The transmitting unit transmits a result of resource assignment relative to the mobile station to the second base station. The second base station includes a receiving unit and a controller. The receiving unit receives the result of the resource assignment performed by the first base station and transmitted by the transmitting unit. The controller identifies a resource suffering interference from the mobile station among resources assignable by the second base station based on the result of the resource assignment and stops assignment of the resource relative to the mobile station. | 08-07-2014 |
20140243006 | MANAGING WIRELESS RESOURCES - Various embodiments provide for the management of wireless resources, which can reduce call blocking by allowing high priority services, under suitable conditions, to use resources allocated to low priority services. Thus high priority services can pre-empt the usage of wireless resources by low priority services. This has the advantage of reducing call blocking for high priority calls, while permitting low priority calls to have more access to radio resources than conventional systems with the same call blocking rate. Thus a base station can implement a preemption mechanism that would reclaim Walsh Code and Forward Power resources from an active Supplemental Channel (SCH) burst in order to accommodate incoming Fundamental Channel (FCH) requests. | 08-28-2014 |
20140248896 | CELL IDENTIFIER ALLOCATION METHOD, BASE STATION, MAINTENANCE SERVER, AND MOBILE COMMUNICATION SYSTEM - A cell identifier allocation method includes: a measurement step of measuring the reception power or propagation loss of the signal received inside the target cell from each of the cells of adjacent base stations in the neighborhood of the target cell; an identification step of identifying the first cell that has the greatest reception power or the lowest propagation loss, from among the cells of the adjacent base stations; and, an allocation step of allocating a cell identifier in which the code sequence number of the synchronization signal is different from that of the first cell and that has not been allocated to any of the cells of the adjacent base stations, to the target cell. | 09-04-2014 |
20140256343 | SOLUTION TO IMPROVE RAN BANDWIDTH EFFICIENCY DURING VOLTE CALL SCENARIOS - Bandwidth for a radio access network may be efficiently allocated for certain voice over LTE (VoLTE) services. In one implementation, a request associated with traffic flows may be received. Each of the traffic flows may be associated with an amount of guaranteed bit rate (GBR) traffic. The method may further include selectively summing the GBR traffic, to obtain an aggregate bandwidth value. The method may further include reserving an amount of GBR bandwidth corresponding to the previous version of the aggregate bandwidth value when a comparison indicates that the aggregate bandwidth value is less than the previous version of the aggregate bandwidth value; and reservation an amount of GBR bandwidth corresponding to the aggregate bandwidth value when a comparison indicates that the aggregate bandwidth value is not less than the previous version of the aggregate bandwidth value. | 09-11-2014 |
20140256344 | METHOD AND DEVICE FOR MANAGING INTERFERENCE - A method includes: reporting a scheduling parameter to a centralized control node, where the scheduling parameter includes information of a cell which interferes a serving cell of a user equipment and/or load information of the serving cell of the user equipment, the information of the cell which interferes the serving cell of the user equipment is generated from a measured result reported by the user equipment, and the measured result is obtained by performing a measurement on a cell adjacent to the serving cell of the user equipment; receiving scheduling control information sent by the centralized control node, where the scheduling control information is determined according to the scheduling parameter; and scheduling resources according to the scheduling control information. | 09-11-2014 |
20140274098 | STATISTICAL WEIGHTING AND ADJUSTMENT OF STATE VARIABLES IN A RADIO - A method involving receiving a real time communication signal at a radio receiver involves measuring at least one performance value associated with the radio receiver with an installed set of state variables; at a processor forming a part of the radio receiver: iteratively changing at least one of the state variables within a prescribed range in order to identify an improved value of the state variable that provides an improvement to the at least one performance value; storing the improved value of the state variable; applying a statistical weighting to the improved value and storing the statistical weighting; and adjusting the prescribed range of the state variable based upon the statistical weighting to provide a revised prescribed range that is statistically likely to contain state variable that provides improvement in the at least one performance value. This abstract is not to be considered limiting. | 09-18-2014 |
20140274099 | METHOD AND APPARATUS FOR SIGNAL INTERFERENCE PROCESSING - A system that incorporates the subject disclosure may include, for example, a method for mitigating interference by filtering or redirection of communications traffic. Other embodiments are disclosed. | 09-18-2014 |
20140274100 | METHOD AND APPARATUS FOR SIGNAL INTERFERENCE PROCESSING - A system that incorporates the subject disclosure may perform, for example, a method for detecting signal interference in a first segment of a plurality of segments of a radio frequency spectrum of a wireless communication system, determining according to the signal interference a measure of quality of service of the first segment for transmitting voice traffic, comparing the measure of quality of service to a desired measure of quality of service measure for voice traffic, determining from the comparison that the first segment is not suitable for voice traffic, and notifying a system that the first segment is not suitable for voice traffic. Other embodiments are disclosed. | 09-18-2014 |
20140295872 | SYSTEM AND METHOD TO ALLOCATE FREQUENCY DYNAMICALLY BASED ON PRIORITY OF QUALITY OF EXPERIENCE (QoE) IN 3GPP LTE HETEROGENEOUS NETWORK - A method and system to dynamically allocate a frequency based on a priority of quality of experience (QoE) is disclosed. A method to dynamically allocate a frequency may include: securing a predetermined frequency band and a bonus frequency band for a macrocell; allocating the predetermined frequency band and the bonus frequency band to a macro terminal located in the macrocell; allocating the bonus frequency band based on the priority of service in a subsequent time slot when a frequency band comprising the predetermined frequency band and the bonus frequency band is not allocated to the macro terminal. | 10-02-2014 |
20140302868 | RADIO COMMUNICATION SYSTEM, BASE STATION, USER TERMINAL, AND COMMUNICATION CONTROL METHOD - A user terminal reports a group radio quality of each of radio resource groups to a base station at a first frequence. The base station reports an allocated radio resource group to be allocated for radio communication with the user terminal to the user terminal. The user terminal reports unit radio qualities of radio resource units contained in the allocated radio resource group to the base station at a second frequence that is higher than the first frequence. The base station performs radio resource scheduling on the basis of the unit radio qualities. | 10-09-2014 |
20140315566 | METHOD AND APPARATUS FOR CONTROLLING INTERFERENCE IN WI-FI-INTEGRATED SMALL CELL ENVIRONMENT - Provided are a method and apparatus for controlling inter-cell interference. In accordance with the present invention, a Wi-Fi signal including interference control information is received from a neighboring cell, the interference control information is transmitted to a small cell transmission/reception module, and a small cell signal is transmitted or received by controlling inter-cell interference based on the interference control information. | 10-23-2014 |
20140315567 | SYSTEMS AND METHODS FOR INTERFERENCE MITIGATION IN HETEROGENEOUS NETWORKS - Disclosed systems and methods mitigate interference in heterogeneous networks. Embodiments include adaptive or selective inter-cell interference coordination, adaptive multi-user zero forcing, adaptive power, and/or combinations of the foregoing. Techniques may be used to favor one group of users (e.g., femto users or macro users) over another. Certain embodiments focus quality of service (QoS) improvements on a first group of users, while using constraint processes to provide a threshold QoS for a second group of users. | 10-23-2014 |
20140315568 | Device, Method, Mobile Communication Terminal, Computer Program and Storage Medium for Frequency Control - The present invention relates to devices, methods, mobile communication terminals, computer programs and storage mediums for frequency control. The frequency control device for a mobile communication terminal only uses one crystal oscillator, but can access different access networks at the same time. The frequency control device may control the output of the crystal oscillator based on a plurality of frequency offset estimation results and the service performance of access network corresponding to the frequency offset estimation results. Therefore, the flexibility of frequency offset control may be improved and better service may be provided to users. | 10-23-2014 |
20140329535 | METHOD AND APPARATUS FOR DEVICE TO DEVICE RELAY SELECTION - A method, an apparatus, and a computer program product for wireless communication are provided in connection with D2D relay link selection in a LTE based access network. In one example, a communications device is equipped to determine that the communications device (e.g., a UE) is able to establish a relay link with a candidate UE based on at least one of information associated with any preexisting access links with the candidate UE, information associated with any preexisting accessing links within a threshold vicinity of the UE or the candidate UE, or any other UE UL interference, determine that the candidate UE is able to support the relay link based on information associated with preexisting access links for the candidate UE, and perform a link establishment process for the relay link with the candidate UE based on the determinations. | 11-06-2014 |
20140335882 | METHOD FOR CONFIGURING DUAL CONNECTIVITY - Disclosed is a method for configuring dual connectivity. A method for configuring dual connectivity, performed in a base station, may comprise receiving measurement information about a neighbor cell of the terminal from the terminal; obtaining information for configuring dual connectivity from the terminal or the base station; determining whether to configure dual connectivity based on the measurement information and the information for configuring dual connectivity; and when the dual connectivity is to be configured, transmitting a message instructing to configure the dual connectivity to the terminal. | 11-13-2014 |
20140335883 | METHOD AND ARRANGEMENT FOR DYNAMIC ALLOCATION OF A SHARED BANDWIDTH - A radio network node and a method therein, for controlling usage of RAT and bandwidth in a radio communication system. The method includes allocating a first RAT to a first bandwidth, allocating a second RAT to a second bandwidth, and allocating the first and second RATs to a third bandwidth comprising a part of the first bandwidth and/or a part of the second bandwidth. When the first RAT has a higher load than the second RAT, the method includes transmitting data for the first RAT in both the first third bandwidths, transmitting data for the second RAT only in the second bandwidth, and transmitting common control signals and/or pilot signals for the first RAT in the first and third bandwidths. | 11-13-2014 |
20140349668 | SYSTEMS AND METHODS OF BACKHAUL OPTIMIZATION - Various embodiments provide for systems and methods of backhaul optimization. An exemplary system comprises a plurality of low power cells and a connector node. The connector node may be in communication with the plurality of low power cells. The connector node may be configured to receive demands from each of the plurality of low power cells. Each of the demands may indicate a demand at a predetermined time. The connector node may be further configured to determine a rate for each of the plurality of low power cells based on the demands of each of the low power cells and the assigned rate of the other of the plurality of low power cells. The connector node may be further configured to allocate capacity based on the determined rates. | 11-27-2014 |
20140357289 | Methods and Systems for Dynamic Spectrum Arbitrage User Profile Management - A dynamic spectrum arbitrage (DSA) system includes a home subscriber server (HSS), a mobility management entity (MME), an eNodeB, a dynamic spectrum controller (DSC), and a dynamic spectrum policy controller (DPC). The DSC may receive resource allocation information from the DPC, and send updated information and instructions to the HSS. The HSS may be configured to receive information from the DSC, detect changes to HSS subscription information (e.g., user profile information), determine whether the changes affect the information managed/stored by an MME component, and send the detected changes to the MME component when the HSS determines that the changes affect the information managed/stored by the MME. The MME component may use the information included in the received messages to add, remove, or modify the MME's stored subscription information or user profile information. The MME component may then communicate these updates, additions, or changes to the HSS component. | 12-04-2014 |
20140378156 | DISTRIBUTED ANTENNA SYSTEM, MANAGEMENT CONTROL DEVICE, CONTROL METHOD OF MANAGEMENT CONTROL DEVICE, AND COMPUTER PROGRAM PRODUCT - According to one embodiment, a distributed antenna system includes a plurality of antennas, a plurality of base stations, an antenna control device, and a management control device. The base stations wirelessly communicate with a wireless communication terminal. The base stations are assigned with a plurality of different operating frequencies, respectively. The antenna control device is connected to the antennas and is capable of connecting at least one of the antennas to any one of the base stations. The management control device causes the one of the base stations to measure reception power at the at least one of the antennas at an operating frequency corresponding to other base station which is not managed by the management control device, and assigns an operating frequency having a less inter-cell interference caused by the other base station to the at least one of the antennas based on the measured reception power. | 12-25-2014 |
20150018001 | METHOD AND APPARATUS FOR CANCELLING INTERFERENCE SIGNAL IN WIRELESS COMMUNICATION SYSTEM - An interference cancellation method and apparatus for use in the wireless communication system is provided. The interference cancellation method of a Device-to-Device (D2D) terminal in a wireless communication system includes receiving interference signal information for use in cancelling a cellular interference signal acting as interference to the D2D terminal from a base station, cancelling the cellular interference signal from a received signal based on the interference signal information, and processing a D2D signal transmitted to the D2D terminal. | 01-15-2015 |
20150024769 | METHOD OF CONTROLLING WIRELESS NETWORK DEVICE FOR NETWORK CONNECTIVITY - This invention provides a method of a controlling wireless network device for network connectivity. The method includes the following steps, receiving a control signal from a mobile communication device; receiving multiple connection signals emitted by multiple base stations; measuring the signal strength of the connection signals emitted by the base stations to determine the communication signal having the strongest received signal strength indication; connecting to the base station emitted the communications signal with the strongest signal strength indication; connecting the mobile communication device to connect to the controlling wireless network device and establishing network connectivity between the mobile communication device to the base station emitted the communications signal with the strongest signal strength indication. | 01-22-2015 |
20150024770 | INTER-CELL INTERFERENCE MITIGATION - The present application discloses a method for mitigating inter-cell interference (ICI) by scheduling user equipments. The method comprises estimating inter-cell interference tolerance of each of at least one neighboring cell during uplink transmission of the user equipment; and coordinating uplink scheduling of the user equipment in accordance with the inter-cell interference tolerance. The present application also discloses a base station, a radio network controller and relevant signaling for mitigating inter-cell interference (ICI) by scheduling user equipments. | 01-22-2015 |
20150024771 | COMMUNICATIONS BASE STATION WITH DECISION FUNCTION FOR DISTRIBUTING TRAFFIC ACROSS MULTIPLE BACKHAULS - A communication station, such as a base station or access point, has multiple backhaul options and distributes backhaul data between the available backhaul options. The communication station includes a transceiver for transmitting and receiving data with user equipments, multiple backhaul interface modules, and a backhaul distribution module arranged for monitoring demand for backhaul bandwidth and distributing data over the backhauls based on the demand for backhaul bandwidth. Additional modules for user data and control plane processing may be included with the user/control distinction used in distributing data over the backhauls. The backhaul options may include a preferred backhaul and an alternate backhaul. Distributing data over the backhauls may be based, for example, on applications associated with the data, financial cost, delay, robustness, computational resources, and/or additional security associated with using a particular backhaul. | 01-22-2015 |
20150038159 | NETWORK NODE SELECTION IN WIRELESS NETWORKS - A method of selecting a network node with which a mobile terminal is to establish a connection for wireless communication. The method comprises generating a ranked list of network nodes that are available to the mobile terminal for establishing the connection, each of the available network nodes being ranked based on historical data relating to a plurality of different radio characteristics of the network node and on weighting factors associated with the plurality of different radio characteristics, each of the weighting factors having a value that is determined based on historical data relating to one or more mobile terminal usage characteristics; and selecting the network node for establishing the connection with the mobile terminal based on the ranked list of network nodes. | 02-05-2015 |
20150050940 | COORDINATING ALLOCATION OF RESOURCES FOR USE BY SMALL CELLS - A controller receives information relating to at least one of multiple small cells. Responsive to the received information, the controller coordinates allocation of resources for use by the small cells in communicating data with respective user equipments (UEs), where the coordinating of the allocation of resources reduces interference among the small cells. | 02-19-2015 |
20150050941 | WIRELESS COMMUNICATION SYSTEM, COMMUNICATION METHOD, BASE STATION, AND COMMUNICATION TERMINAL - A wireless communication system, a communication method, a base station, and a communication terminal are provided. The wireless communication system includes a base station, and a communication terminal that can communicate with the base station through a plurality of frequency bands. The wireless communication system includes a first notification module provided at one of the base station and communication terminal for notifying the other of the base station and communication terminal of a switching preparation request when a state is detected in which the frequency band used as the main frequency band among the plurality of frequency bands is to be switched, and a second notification module that notifies one of the base station and communication terminal of frequency band switching preparation completion in response to a determination of being in a state in which the frequency band used as the main frequency band is to be switched. | 02-19-2015 |
20150057010 | System and Method for Boundaryless Service in Wireless Networks with Cooperative Transmission Points - Embodiments are provided to serve user equipments (UEs) that experience, for example persistently, inter-transmission point group (TPG) interference in a wireless or cellular network. The embodiments include steps to serve edge UEs (EUs) such as persistent EUs (PEUs) using a set of transmission points (TPs) in one or more TPGs. The selected set of TPs used for serving the EUs or PEUs are dynamically determined based on a UE-centric metric. The metric involves the PEUs and surrounding UEs. The UE-centric metric is used to partition the network to multiple TPG sets. For each one of multiple assigned resource units (RUs), a TPG set that maximizes or improves a network-wide utility is used for scheduling transmissions. Further, for each RU, the UEs are associated with an optimized or improved TPG in the used TPG set. | 02-26-2015 |
20150065158 | METHOD AND SYSTEM FOR PERFORMING SERVICE ADMISSION CONTROL - A system and broadband device for performing service admission control. The system and device being configured to grant services according to their priority level so that, when a service with low priority has been granted and a service with higher priority is requested later on, the service with low priority is cancelled and the service with high priority is granted in case a resource is not able to support both the service with low priority and the service with high priority. | 03-05-2015 |
20150080008 | Predictive Control for Radio Frequency Coexistence Management in Multi-SIM-Multi-Active (MSMA) Devices - The various embodiments provide methods implemented in a MSMA communication device for managing a victim subscription's de-sense by proactively implementing an RF coexistence management strategy on the victim subscription when an RF coexistence event starts. In various embodiments, a MSMA communication device may implement an RF coexistence management strategy by determining when an aggressor subscription will de-sense a victim subscription and configuring the victim to anticipate and mitigate de-sense during the aggressor's transmissions. Thus, the various embodiments may provide dramatic improvements to the victim's overall reception performance and overall user experience. | 03-19-2015 |
20150087324 | BASE STATION, WIRELESS COMMUNICATION SYSTEM, AND WIRELESS COMMUNICATION METHOD - A base station is provided with a plurality of radio units that communicate with a terminal, and a control device connected to the plurality of radio units. When there is a large number of terminals positioned at a boundary of the communication areas of a first radio unit and a second radio unit among the plurality of radio units, the control device makes a first cell ID of the first radio unit and a second cell ID of the second radio unit being identical. | 03-26-2015 |
20150105094 | MOBILE DEVICE ASSISTED OPTIMIZATION OF A WIRELESS NETWORK - Traffic flows in a wireless network may be optimized based on a current state of the wireless network as well as based on information received from mobile devices attached to the wireless network. In one implementation, a method may include receiving, from mobile devices attached to the wireless network, values for parameters associated with applications that are executed by the mobile devices. The method may further include receiving, from network elements in the wireless network, information relating to a state of the wireless network; and determining based on the values for the parameters associated with the applications and based on the information relating to the state of the wireless network, modifications to an operation of the wireless network to optimize transmission of the traffic flows in the wireless network with respect to the parameters. | 04-16-2015 |
20150111593 | Method And System For Improving Efficiency In A Cellular Communications Network - A method and system are described for improving operating efficiency and QoS in a cellular communications network. According to an exemplary embodiment, the method includes predicting background interference levels due at least partly to signals generated in neighboring cells, and transmitting operating parameters to user equipment that include power, frequency, and/or spectral efficiency parameters. The operating parameters are selected according to the predicted background interference to provide acceptable quality of service while also optimizing use of available bandwidth. The method further includes updating the background interference predictions, and transmitting revised operating parameters to the user equipment according to rules that minimize changes to operating parameters that strongly affect background interference in neighboring cells, such as power levels and frequencies, thereby minimizing background interference fluctuations. Power levels for user equipment entering the cell can be initially minimized, and then slowly ramped to an optimal level. SPS can be implemented. | 04-23-2015 |
20150119063 | MODE SELECTION AND TRANSMIT POWER MANAGEMENT FOR MULTIMODE SMALL CELLS - Described herein are techniques for mode selection and power management for multimode small cells. For example, the technique may involve taking measurements, at the access point, of a macro cell in a vicinity of the access point. The technique may involve managing power or resources of a first RAT and a second RAT based on the measurements, wherein the power of at least one of the first RAT or second RAT is associated with coverage area of the macro cell. | 04-30-2015 |
20150133141 | Data Transmission Method, Apparatus, and Communications System - Embodiments of the present invention provide a data transmission method, an apparatus, and a communications system. The method includes sending, by a macro base station, a configuration request message to an access node, where the configuration request message includes a bearer configuration parameter that carries a radio bearer (RB) identifier; receiving, by the macro base station, a configuration success message from the access node, where the configuration success message carries at least physical layer parameter configuration information that is configured by the access node for a user equipment; and sending, by the macro base station, a reconfiguration message to the user equipment. The reconfiguration message includes at least the RB identifier and/or a logical channel identifier that is reconfigured to transmit on the access node and the physical layer parameter configuration information of the access node. | 05-14-2015 |
20150133142 | CLUSTER-BASED DERIVATION OF ANTENNA TILTS IN A WIRELESS NETWORK - Cluster-based optimization of antenna tilts in a wireless network and other related aspects are presented herein. A screening component can receive information indicating wireless conditions of respective wireless access points of a geographical region, select, based on a performance criterion, an access point of the respective wireless access points, and group the access point and an other access point of the respective wireless access points into a representation of a cluster of access points. Further, an optimization component can derive antenna tilt values for respective access points of the cluster of the access points in response to a simulation of an application of the antenna tilt values to the respective access points. Furthermore, an implementation component can direct the antenna tilt values to respective components of the respective access points. | 05-14-2015 |
20150141031 | CONTROL DEVICE AND CONTROL METHOD FOR DYNAMICALLY ADJUSTING POWER OF SMALL-CELL BASE STATIONS - A control device and a control method for dynamically adjusting power of small-cell base stations are provided. The control device determines the number of interfered terminals of each small-cell base station according to signal quality information of terminal devices, divides the small-cell base stations into a plurality of groups, and adjusts the power of the small-cell base stations of each group in order. | 05-21-2015 |
20150141032 | APPARATUS, BASE STATION TRANSCEIVER, METHOD, AND COMPUTER PROGRAM FOR ASSIGNING A RADIO RESOURCE - Embodiments relate to an apparatus, a base station transceiver, a method, and a computer program for assigning a radio resource. An apparatus | 05-21-2015 |
20150141033 | MULTI-TIER QUALITY OF SERVICE WIRELESS COMMUNICATIONS NETWORKS - The present disclosure pertains to improved communication quality of service (QoS) in communication networks. Higher service tiers may guarantee that a specific vocoder or bit rate is used. They may also guarantee that communication is supported by such parameters as maximum allowed dropped calls rate, maximum allowed jitter and maximum allowed latency. Network availability may be guaranteed per Service Level Agreements that are the part of the contract between a subscriber and a service provider. The network may also afford high end devices higher voice quality by comparing a given high end device to a look up table, which indicates what level of service is associated with that device. A calling device or a receiving device may ask the other device to change to a more robust vocoder or bit rate to ensure higher quality communication. Furthermore, the quality level may be adjusted before or during a call. | 05-21-2015 |
20150334042 | TRAFFIC MANAGEMENT SERVER AND MANAGEMENT PROGRAM - Provided is a technique of finely performing congestion determination and congestion control on a cellular communication system employing a C-RAN architecture. An instruction is given to a control device to acquire location information of a terminal in a cell of a C-RAN using a first message between network nodes, acquire a congestion indicator of the cell of the C-RAN using a second message between the network nodes, determine the occurrence of congestion of the cell based on the congestion indicator, identify a terminal staying in a cell in which congestion is occurring based on the location information of the terminal, and limit a maximum usable bandwidth of the specified terminal. | 11-19-2015 |
20150334720 | Profile-Based Noise Reduction - This application relates to the way that a noise reduction filter can be applied for improving audio quality during calls. The personal approach that was introduced in the related application entails a significant barrier to wide spread deployment. This application introduces the profile-based approach which overcomes this barrier by enabling a transparent out-of-the-box usage and therefore enabling a wide spread deployment of this technology. | 11-19-2015 |
20150351113 | PORTABLE ELECTRONIC DEVICE - A portable electronic device of an embodiment has a communication section, a selection section, and a processing section. The communication section can communicate with an external device by a plurality of channels. The selection section selects a specification of class information which indicates a class of a command and included information indicating a channel number of the channel, from a plurality of the specifications of class information, based on prescribed information which is held in an own device and can be changed after a power source has been supplied. The processing section can execute command processings corresponding to a plurality of the specifications of class information, and when the communication section receives a command having the class information, executes the command processing corresponding to the specification of class information that the selection section has selected. | 12-03-2015 |
20150358979 | Radio Frequency Radiation Exposure Mitigation Using Antenna Switching - Methods, devices, and systems embodiments enable a multi-antenna mobile device to mitigate radio frequency (RF) radiation exposure to users. A processor may determine a distance between the multi-antenna mobile device and the select portion of the user and switch from using a first antenna that is closer to the select portion of the user to using a second antenna when the multi-antenna mobile device is close to the user. The signal strength of the first antenna may be compared to the signal strength of a second antenna of the multi-antenna mobile device, and the second antenna may be used instead of the first antenna when the signal strength of the first antenna is within a predetermined threshold of the signal strength of the second antenna. If acceptable signal quality is not obtained with the second antenna, the multi-antenna mobile device may switch back to the first antenna. | 12-10-2015 |
20150373605 | EVENT 6D ENHANCEMENTS - The present aspects relate to enabling a user equipment (UE) to operate in Dual Carrier mode during wireless communication, including generating an event trigger to be transmitted to a network entity in response to the UE satisfying a maximum transmit power threshold value, wherein generating the event trigger initiates a trigger timer that controls when to transmit the event trigger to the network. The aspects further include determining whether a plurality of optimization conditions are met, and modifying a transmission scheme based on the determination that the plurality of optimization conditions are met, wherein modifying the transmission scheme prevents the transmission of the event trigger to the network entity and resets the trigger timer. | 12-24-2015 |
20150373698 | INTERFERENCE CONTROL IN A CELLULAR COMMUNICATIONS NETWORK - A method of controlling interference in a cellular communications network comprises, in a first base station of the network: determining that the first base station is suffering from uncontrolled interference from at least one other base station of the network; based on information received from at least one other base station of the network regarding estimates of interference caused at the first base station by at least one user equipment device connected to the respective other base station, selecting a proposed action to mitigate said interference; and notifying the respective other base station of the selection of the proposed action. | 12-24-2015 |
20160007233 | SYSTEM AND METHOD TO DYNAMICALLY MANAGE APPLICATION TRAFFIC BY BANDWIDTH APPORTIONING ON A COMMUNICATION DEVICE - The present disclosure describes a method for dynamically modifying allocated bandwidth of one or more applications running on a communication device. The method comprises obtaining information regarding one or more applications running on the device, the applications using a communication network of the device; receiving a user input for determining priority levels of the one or more applications; and dynamically distributing bandwidth of a communication network to the one or more applications running on the communication device based on the user input. | 01-07-2016 |
20160021564 | INTELLIGENT HANDLING OF VOICE CALLS FROM MOBILE VOICE CLIENT DEVICES - The present disclosure discloses a method and network device for intelligent handling of voice calls from mobile voice client devices. In some embodiments, the network device detects that a load, corresponding to a plurality of client devices associated with an access point, exceeds a particular threshold value. In some embodiments, the network device detects that a call quality for a current ongoing call, corresponding to a first client device associated with an access point, is below a first threshold value. In response, the network device selects a particular client device, of the plurality of client devices associated with the access point, for disassociation with the access point. The network device then causes the particular client device to disassociate with the access point. | 01-21-2016 |
20160028585 | A Master and Second Evolved Node B and Method Performed Thereby for Modifying a Radio Resource of the SENB with Respect to a UE Currently Being Connected to the MENB - A MeNB and a SeNB and respective methods performed thereby for modifying a radio resource of the SeNB with respect to a UE currently being connected to the MeNB are provided. The MeNB and SeNB are operable in a wireless communication system, the wireless communication system being adapted to provide for dual connectivity between the UE and the MeNB, and the UE and the SeNB. By modifying means changing an existing radio resource configuration or adding a RAB between the SeNB and the UE. The method comprises transmitting ( | 01-28-2016 |
20160044687 | RADIO RESOURCE MANAGER DEVICES AND RADIO COMMUNICATION DEVICES - In an embodiment, a radio resource manager device is provided. The radio resource manager device may include a receiver configured to receive an application applying for radio resources; an interference allowance determiner configured to determine whether interference of signal transmission during radio communication using radio resources is allowed; and a radio resource assigner configured to assign radio resources based on the determined interference allowance. | 02-11-2016 |
20160050124 | QUALITY OF EXPERIENCE IN COMMUNICATION NETWORKS - A network entity for use in a communication network. The network entity including a processing resource that is configured to obtain information indicative of a quality of experience on a user terminal in communication with the communication network; and to control the communication to the user terminal based on the obtained information indicative of a quality of experience. | 02-18-2016 |
20160057708 | Performing Inter-Frequency Measurements on Carriers With Overlapping Bandwidths - The disclosure relates generally to interference coordination techniques for scenarios where two neighboring base stations transmit on different carrier frequencies having bandwidths that overlap at least in part. A network node determines radio resources in the overlapping portion of the bandwidths and controls or adjusts the transmission configuration of signals being transmitted in the overlapping portion of the bandwidths to reduce or avoid interference. The network node may also configure or request a wireless terminal to perform inter-frequency measurements in the overlapping portion of the bandwidths. In some embodiments, a wireless terminal determines radio resources in the overlapping portion of the bandwidths and performs measurements on the signal in the overlapping portion of the bandwidths. | 02-25-2016 |
20160057709 | POWER CONTROL METHOD AND DEVICE FOR DEVICE TO DEVICE (D2D) TRANSMISSION - Disclosed are a power control method and device for D2D transmission. The method includes determining an upper limit value of interference power corresponding to a terminal. The upper limit value of the interference power is the maximum interference value which is allowed by a base station and generated by D2D transmission to cellular transmission. The base station sending the upper limit value of the interference power to the terminal the terminal determines the upper limit value of D2D transmission power by using the upper limit value of the interference power. The terminal determines the upper limit value of the D2D transmission power, and determines the D2D transmission power, the D2D transmission power of the terminal device can be controlled, transmitting power of the D2D transmission is controlled to make the interference generated by same to the cellular transmission to a controlled range, and the interference of a D2D signal to a cellular signal is controlled. | 02-25-2016 |
20160057763 | RADIO COMMUNICATION APPARATUS, INFORMATION PROCESSING APPARATUS, COMMUNICATION SYSTEM, AND METHOD OF CONTROLLING A RADIO COMMUNICATION APPARATUS ACCORDING TO USER SELECTION - A radio communication apparatus includes a receiving unit configured to receive information controlling a timing at which an access request for accessing an access destination over a network is to be executed. The radio communication apparatus also includes a control unit configured to control execution of the access request with a timing controlled based at least in part on the information. An associated method, medium and an information processing apparatus are also described. | 02-25-2016 |
20160073416 | LOCATION-BASED ACCESS POINT MODULE CONTROL - Apparatus and method relating to wireless communication access points are described. In one embodiment an apparatus including one or more antennas to function as an access point for wireless communication is described. In some cases the apparatus or methods may include determining location information and/or one or more operating characteristics of one or more wireless communication access points. | 03-10-2016 |
20160080060 | Channel State Information Collection for Wireless Communication System with Beamforming - A method of providing channel station information in a beamforming system is proposed. Reference Signal (RS) is used for channel state estimation. For fine-resolution dedicated beam with smaller spatial coverage, additional channel monitoring of coarse-resolution beams for beam fallback is applied. The joint coverage of monitored fallback beams covers a desired service area. For beam administration, fallback beams need to be evaluated and the most preferable beam is selected for use in case the currently used dedicated beam is no longer suitable. For link adaptation, at least the channel state of the selected fallback beam is evaluated and provided to a scheduler (e.g., a BS) for adapting the transmission of the selected fallback beam. | 03-17-2016 |
20160088632 | PEER-TO-PEER SHARING OF NETWORK RESOURCES - A first mobile device receives, from each of a plurality of other mobile devices, information related to the availability of at least one network resource provided by at least a first network offered for sharing by the respective other mobile device. The first mobile device also receives a request from a second mobile device to access the network resource provided by the first network shared by at least one of the plurality of other mobile devices. The first mobile device selects at least one of the other mobile devices to share the network resource provided by the first network with the second mobile device. The first mobile device communicates to the second mobile device peer-to-peer network connection information of the selected at least one of the other mobile devices. | 03-24-2016 |
20160088633 | Method and Apparatus for Predicting Mobile Device Wireless Link Quality of Service Requirements Along a Predicted Path - An information handling system includes a wireless adapter for communicating with a wireless link and a storage device for storing a spatial-temporal user profile comprising historical wireless service type profiles for a location where the information handling system is operating. The information handling system further includes an application processor that selects a predicted future system during a future time interval. The application processor determines quality of service requirements along the predicted future system. | 03-24-2016 |
20160095102 | Beam Misalignment Detection for Wireless Communication System with Beamforming - A method of beam misalignment detection for wireless communication system with beamforming is proposed. To identify a misaligned beam, a relative beam quality degradation is applied by comparing a dedicated beam quality with a reference beam quality. The reference beam favors similar transmission path as the dedicated beam, and has better mobility robustness. In one embodiment, the reference beam is an associated control beam of the dedicated beam. To detect beam misalignment, a first dedicated beam SINR is compared with a second associated control beam SINR. | 03-31-2016 |
20160095118 | COMMUNICATION CONTROL APPARATUS, COMMUNICATION CONTROL METHOD, RADIO COMMUNICATION SYSTEM AND TERMINAL APPARATUS - [Object] To utilize the extension band in the band-filling efficiently. | 03-31-2016 |
20160095119 | COMMUNICATION CONTROL APPARATUS, COMMUNICATION CONTROL METHOD, RADIO COMMUNICATION SYSTEM AND TERMINAL APPARATUS - [Object] To utilize the extension band in the band-filling efficiently. | 03-31-2016 |
20160112964 | METHOD FOR DETERMINING UPLINK TRANSMISSION POWER - A method, performed by a user equipment (UE), is provided for determining uplink transmission power. A radio frequency (RF) unit is configured to use for an uplink transmission a frequency range of 1980 MHz through 2010 MHz or 1920 MHz through 2010 MHz. The UE receives a value of an additional maximum power reduction (A-MPR) from a serving base station (BS) adjacent to a neighboring BS for serving another UE using for an uplink transmission a frequency range of 2010 MHz through 2025 MHz. An uplink signal is transmitted at an uplink transmission power calculated by using the value of the A-MPR. The value of the A-MPR is 11 dB or 15 dB. | 04-21-2016 |
20160113024 | SYSTEM AND METHOD FOR SELECTING WIRELESS RESOURCE - A system for selecting a wireless resource that is interworked with a terminal and one or more base stations selects a base station for the terminal based on received subjective quality of experience and pre-stored quality reference information and transmits information on the selected base station as wireless resource information to the terminal, when the system receives quality of service (QoS) information, which is objective quality information, of a wireless section and terminal information from the terminal, in order to select any one base station. | 04-21-2016 |
20160119937 | METHOD AND APPARATUS FOR WIRELESS GRID COMPUTING - A method for wireless grid computing includes: receiving feedback of a computing resource state (“CRS”) and channel quality information (“CQI”) from at least one candidate terminal; determining at least one parallel work execution terminal to execute the wireless grid computing among at least one terminal based on the feedback of the CRS and the feedback of the CQI; and assigning parallel processing work of the wireless grid computing to the at least one parallel work execution terminal. Such wireless grid computing method may be performed using a base station or a terminal. | 04-28-2016 |
20160150415 | METHOD AND APPARATUS FOR WIDEBAND SPECTRUM SENSING - Examples of wideband spectrum sensing techniques for cognitive radio are provided. The techniques permit undersampling (e.g., sub-Nyquist sampling) the spectrum band, which permits use of more cost effective electronic components (e.g., lower frequency analog-to-digital converters (ADC)). The techniques permit determination of whether there are any (or sufficient) sub-channels that exist in the band to use for transmission, so that only a portion of less than the entire spectrum band is sampled. Detection decisions can be based at least partly on a pair of performance metrics more appropriate for wideband spectrum sensing. These performance metrics are the probability of insufficient spectrum opportunities (P | 05-26-2016 |
20160157245 | SYSTEMS AND METHODS FOR INTERFERENCE MITIGATION IN HETEROGENEOUS NETWORKS | 06-02-2016 |
20160174242 | USER TERMINAL, BASE STATION, AND PROCESSOR | 06-16-2016 |
20160183230 | RADIO RESOURCE MANAGEMENT APPARATUS OF BASE STATION IN MOBILE COMMUNICATION SYSTEM AND METHOD OF MANAGING THE SAME | 06-23-2016 |
20160192224 | APPARATUS, SYSTEM AND METHOD OF PREDICTING A CHANNEL CONDITION - Some demonstrative embodiments include apparatuses, devices, systems and methods of predicting a channel condition. For example, A User Equipment (UE) may include a radio to communicate over a millimeter Wave (mmWave) band with at least one network (NW) element of a network controlled by a cellular node, and to receive from the NW element topology information corresponding to a topology at a location of the UE; and a channel estimator to predict a channel condition of a channel between the UE and the cellular node based on the topology information. | 06-30-2016 |
20160198481 | RADIO CONTROL SYSTEM, COMMUNICATION APPARATUS, RADIO RESOURCE CONTROL METHOD, AND RECORDING MEDIUM | 07-07-2016 |
20170237600 | ARCHITECTURE FRAMEWORK TO REALIZE PUSH-TO-X SERVICES USING CLOUDBASED STORAGE SERVICES | 08-17-2017 |
20190150152 | ADAPTIVE ALLOCATION OF TEMPORAL RESOURCES FOR MASSIVE MULTIPLE-INPUT-MULTIPLE-OUTPUT (MIMO) IN UNLICENSED FREQUENCY BANDS | 05-16-2019 |