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23rd week of 2012 patent applcation highlights part 33
Patent application numberTitlePublished
20120140602ACOUSTIC RADIATING MEMBRANE FOR A MUSIC BOX OR STRIKING WATCH - The acoustic radiating membrane (2012-06-07
20120140603ACOUSTIC RADIATING MEMBRANE FOR A MUSIC BOX OR STRIKING WATCH - The acoustic radiating membrane (2012-06-07
20120140604TIMEPIECE FACEPLATE AND TIMEPIECE - To offer a timepiece faceplate having exceptional transmission of light as well as exceptional aesthetic appearance, and to offer a timepiece provided with the timepiece faceplate. A timepiece faceplate 2012-06-07
20120140605STATIC TOC INDEXING SYSTEM AND METHOD - A method and system is provided for doing compact disc TOC look-ups cheaply and efficiently by using a special indexing mechanism particularized to TOC look-ups. The indexing scheme allows a successful search of TOCs using as few as 2 disk seeks in contrast to the usual hundreds of disk seeks required by a general purpose indexing scheme. This performance improvement is achieved by using a static database of TOCs in a read-only implementation so that the data organization and code for lookups can be optimized without regard for any updates to this data at a later time. The index data structure is arranged in a fashion that allows for seek-less, linear scans of index information once the proper scan location in the index has been identified.2012-06-07
20120140606INFORMATION STORAGE DEVICE, INFORMATION RECORDING MEDIUM, AND INFORMATION STORAGE METHOD - An information storage device includes an information recording medium, at least a single light source that emits laser light, an illuminating unit that illuminates substantially the same position of the information recording medium with two light rays generated from the laser light, in different directions, a light detecting unit that detects reflection light of the two light rays reflected from the information recording medium and outputs a detection signal, an operation unit that calculates position error information of the information recording medium based on the detection signal; and, a driving device that changes the position of the information recording medium based on the position error information.2012-06-07
20120140607SIGNAL PROCESSING APPARATUS FOR OPTICAL DISC AND METHOD THEREOF - A signal processing apparatus for an optical disc with a first type region and a second type region is disclosed. The signal processing apparatus comprises: a determining unit, arranged to determine that an input signal is a first type input signal derived from the first type region or a second type input signal derived from the second type region; a peak-bottom detector, arranged to detect a peak-bottom value of the input signal; and a control circuit arranged to determine that the peak-bottom value is derived from the first type input signal or the second type input signal according to a determining result from the determining unit.2012-06-07
20120140608METHOD FOR DETECTING OBLIQUITY OF OPTICAL DISC DRIVE BASED ON FUNCTION BETWEEN OBLIQUITY AND CENTRAL ERROR SIGNAL BIAS - A method for detecting an obliquity of an optical disc drive is disclosed. The method includes the following steps: setting up and storing a function between the obliquity and a central error signal bias by performing a current level calibration upon a plurality of obliquities of the optical disc drive predetermined to be tested to obtain corresponding central error signal biases; performing the current level calibration upon an objective lens of the optical disc drive; obtaining a calibrated central error signal bias; and acquiring the obliquity of the optical disc drive by interpolating or extrapolating the calibrated central error signal bias according to the stored function between the obliquity and the central error signal bias.2012-06-07
20120140609OPTICAL WAVEGUIDE CLAD MATERIAL - An apparatus includes a waveguide having a core layer and first and second cladding layers on opposite sides of the core layer, wherein the cladding layers comprise a binary oxide composition. In another example, the cladding layers include a ternary or quaternary combination of oxides and/or oxynitrides. In another example, the cladding layers include a silicon oxynitride.2012-06-07
20120140610OPTICAL INFORMATION RECORDING MEDIUM, AND SUBSTRATE AND MANUFACTURING METHOD FOR THE OPTICAL INFORMATION RECORDING MEDIUM - In an optical disk including at least a rewritable phase change material and comprising a recording layer having a reflectivity of more than 15%, an address output value as an address pit signal component occupying in a reproduced signal in a non recording state is prescribed to be 0.18 though 0.27 or a numerical aperture of an address pit signal occupying in a reproduced signal in a non recording state is prescribed to be more than 0.3.2012-06-07
20120140611OPTICAL INFORMATION RECORDING MEDIUM, AND SUBSTRATE AND MANUFACTURING METHOD FOR THE OPTICAL INFORMATION RECORDING MEDIUM - In an optical disk including at least a rewritable phase change material and comprising a recording layer having a reflectivity of more than 15%, an address output value as an address pit signal component occupying in a reproduced signal in a non recording state is prescribed to be 0.18 though 0.27 or a numerical aperture of an address pit signal occupying in a reproduced signal in a non recording state is prescribed to be more than 0.3.2012-06-07
20120140612TRANSMISSION APPARATUS, RECEPTION APPARATUS, TRANSMISSION METHOD, RECEPTION METHOD, AND METHOD FOR GENERATING MULTI-DIMENSIONAL CONSTELLATIONS - The present invention relates to digital data communication and provides an efficient method for generating multi-dimensional constellations for digital data modulation with a high degree of modulation diversity, a method for transmitting and receiving data on the basis of such constellations, and a corresponding apparatus. This is achieved by considering only multi-dimensional rotation matrices with all elements on the diagonal having the same first absolute value and all other elements having the same non-zero second absolute value. In this manner, multi-dimensional rotation matrices can be generated having only a single independent parameter and a structure that is as regular as possible. The independent parameter can be configured in order to minimize the error probability for various constellation sizes.2012-06-07
20120140613MULTIPLE TRANSMIT ANTENNA INTERLEAVER DESIGN - An arrangement of interleavers allocates bits from an input symbol across sub-symbols transmitted via sub-carriers of multiple orthogonal frequency division multiplex (OFDM) carriers. The input bits are allocated in a fashion to provide separation across subcarriers, and rotation of sub-symbols across the OFDM carriers provides additional robustness in the present of signal path impairments.2012-06-07
20120140614OFDM APPARATUS USING THREE-DIMENSIONAL HEXADECIMAL SIGNAL CONSTELLATION - A three-dimensional OFDN apparatus of the present invenstion comprises: a serial-parallel conversion unit for converting a serial input signal into N parallel input signals; a three-dimensional signal mapping unit for mapping the N parellel input signals on three-dimensional coordinates of a cube-in-cube type constellation, respectively; and a two-dimensional inverse Fourier transform unit for performing an inverse Fourier transform by generating a two-dimensional matrix on the basis of the mapped three-dimensional coordinates.2012-06-07
20120140615METHOD, STATION AND COMPUTER READABLE MEDIUM FOR DOWNLINK MULTI-USER MULTIPLE ACCESS CATEGORY MEDIUM ACCESS AND ERROR RECOVERY - A method, device and computer readable medium for downlink multi-user multiple input multiple output (MU MIMO) multiple access category (AC) medium access and error recovery. The method includes transmitting a plurality of aggregated MAC protocol data units (A-MDPUs) from the transmitting STA to respective ones a plurality of receiving STAs, the A-MDPUs being associated with respective access categories (ACs) and defining a primary AC. The method further includes doubling a contention window (CW) of at least one of the primary AC and a failed AC if an A-MPDU transmission failure occurs.2012-06-07
20120140616SYSTEM AND METHOD FOR GRACEFUL RESTART - A system for maintaining routing capabilities in a router having a failed control plane provides an active control plane in the router in communication with at least one external node, the active control plane running at least one routing process. A backup control plane may be interconnected with the active control plane, so that the active control plane may periodically transmit synchronization signals to the backup control plane. The backup control plane may update its state based on these synchronization signals. Moreover, the backup control plane may be programmed to take over the routing process of the active control plane if the active control plane fails.2012-06-07
20120140617SYSTEM AND METHOD FOR PACKET PROTECTION SWITCHING - A method, a transmitter and a receiver of transmitting packets over radio communication links, wherein at least a first radio link and a second radio link are used for delivering flows of packets, said flows of packets containing protected packets and unprotected packets, the method comprising the steps of:—allocating at least one identification mark on a protected packet based on at least one parameter corresponding to the packet;—reproducing from a first protected packet, a second protected packet substantially identical to the first protected packet;—transmitting the first protected packet over the first radio links and the second protected packet over the second radio link;—transmitting a first unprotected packet on the first radio link and a second unprotected packet on the second radio link.2012-06-07
20120140618Method and Arrangement for Interference Congestion Control - In a method of uplink interference congestion control in an interference suppression capable receiving node associated with a plurality of users in a wireless communication system, applying interference suppression to received signals in the node, to provide interference suppressed received signals. Subsequently, estimating a rise over thermal value for the uplink, based on the interference suppressed received signals, and determining a load measure for the uplink based on the estimated rise over thermal value. Finally, controlling interference congestion on the uplink based on the determined load measure.2012-06-07
20120140619EVOLVED MULTIMEDIA BROADCAST MULTICAST SERVICE SYSTEM AND METHOD FOR PERFORMING STATISTICAL MULTIPLEXING OF SERVICES WITH DIFFERENT QUALITY OF SERVICE CLASS IDENTIFIERS - A method for performing statistical multiplexing of services with different Quality of Service Class Identifiers (QCIs) in an evolved Multimedia Broadcast Multicast Service (e-MBMS) system, comprising: at an evolved Broadcast Multicast Service Center (eBM-SC), determining a statistical multiplexing bundle and information of the statistical multiplexing bundle for e-MBMS services, wherein the statistical multiplexing bundle comprises multiple services with different QCIs, and services with the same QCI constitute a statistical multiplexing sub-bundle in the statistical multiplexing bundle, the information of the statistical multiplexing bundle comprising: a QCI, a service list and an Aggregated Bundle Bit Rate (ABBR) of each statistical multiplexing sub-bundle, and the ABBR of the statistical multiplexing bundle; at an MBMS Collaborative Entity (MCE), determining an ABBR bundle based on the information of the statistical multiplexing bundle determined by the eBM-SC and according to a predetermined standard, and performing statistical multiplexing scheduling for the services of the ABBR bundle so that multiple services belonging to the same ABBR bundle share resources allocated to the ABBR bundle. The method may acquire further gain, that is, further reduce resource consumption.2012-06-07
20120140620METHOD AND SYSTEM FOR DETERMINING AND IMPLEMENTING POLICY CONTROLS IN A COMMUNICATIONS NETWORK - A computer-implemented method of determining policy control decisions in a telecommunications network. The method comprises the steps of receiving a predictive indicator from a forecasting system, wherein the predictive indicator includes predictive network resource utilization information, responsive to receiving a service request from a gateway, determining a policy decision based on the predictive indicator, and sending the policy decision to the gateway.2012-06-07
20120140621Incast Congestion Control in a Network - Implementations are described for controlling, avoiding, and/or minimizing incast congestion in a network. In various embodiments, the network may be a data center network, which may include one or more senders and a receiver that transmit data across the network using Transmission Control Protocol. The receiver may be associated with a receive window that may determine amount of data that may be received by the receiver at a single time. Moreover, a size of the receive window may be adjusted based at least in part on an available bandwidth of the receiver. As a result of an increase or decrease in the receive window, the one or more senders may not be constrained in transmitting data to the receiver and incast congestion at the receiver may be reduced and/or avoided.2012-06-07
20120140622Suppression of Discovery of Mobile Devices in a Wireless Network - Technologies are generally described for suppressing discovery of mobile devices in a wireless ubiquitous computing (ubicomp) network, reducing the number of network transmissions by devices in the network and reducing network congestion and prolonging battery life. A mobile device may add supplementary information to introductory beacons transmitted by the device that indicate no response is necessary from other devices participating in the network except for a coordinator of the network. The mobile device may transmit a malformed introductory beacon that will be ignored by other devices in the network except for the coordinator. The coordinator of the wireless network may detect the mobile device moving through the network and transmit a suppression signal to other devices in the network causing the devices to ignore the introductory beacons transmitted by the mobile device.2012-06-07
20120140623LOW POWER AND FAST APPLICATION SERVICE TRANSMISSION - An apparatus, method and system are provided to allow a low power and fast application service transmission (LP-FAST) engine to enhance the quality of service (QoS) and optimize the power consumption of the mobile applications operating in a mobile terminal in a service-aware, bandwidth-aware and power-consumption-aware manner.2012-06-07
20120140624SYSTEMS AND METHODS FOR DYNAMIC CONGESTION MANAGEMENT IN COMMUNICATIONS NETWORKS - Systems and methods for dynamic congestion management in communications networks are disclosed herein. According to an aspect, a method can include determining traffic statistics of at least one node in a communications network. The method can also include determining whether the at least one node is congested based on the traffic statistics. Further, the method can include dynamically changing or provisioning a set of at least one traffic shaping rule for application to the at least one node in response to determining that the at least one node is congested.2012-06-07
20120140625BANDWIDTH INFORMATION NOTIFICATION METHOD, SERVICE PROCESSING METHOD, NETWORK NODE AND COMMUNICATION SYSTEM - A bandwidth information notification method includes: obtaining current bandwidth information of a link; and sending the bandwidth information to an endpoint of a service connection through the service connection which passes through the link. The endpoint of the service connection can adjust a service policy according to the bandwidth information. An endpoint of a service connection which passes through a microwave link may obtain bandwidth information of the microwave link, where the bandwidth information is obtained after adaptive modulation of the microwave link.2012-06-07
20120140626METHODS AND APPARATUS FOR FLOW CONTROL ASSOCIATED WITH A SWITCH FABRIC - In some embodiments, an apparatus includes a flow control module configured to receive a first data packet from an output queue of a stage of a multi-stage switch at a first rate when an available capacity of the output queue crosses a first threshold. The flow control module is configured to receive a second data packet from the output queue of the stage of the multi-stage switch at a second rate when the available capacity of the output queue crosses a second threshold. The flow control module configured to send a flow control signal to an edge device of the multi-stage switch from which the first data packet or the second data packet entered the multi-stage switch.2012-06-07
20120140627METHOD AND APPARATUS FOR PLANNING SERVING GENERAL PACKET RADIO SERVICE SUPPORT NODES IN A WIRELESS NETWORK - A method and apparatus for providing planning of a plurality of serving general packet radio service support nodes in a wireless network are disclosed. For example, the method obtains input data, and determines a limit for at least one serving general packet radio service support node parameter in accordance with the input data. The method determines if the limit for the at least one serving general packet radio service support node parameter is exceeded and determines an optimal output for an objective function, wherein the objective function is based on a plurality of penalty factors, if the limit for the at least one serving general packet radio service support node parameter is exceeded.2012-06-07
20120140628NETWORK COMMUNICATION NODE AND DATA TRANSMISSION METHOD THEREOF FOR USE IN POWER LINE COMMUNICATION NETWORK - A network communication node and a data transmission method thereof for use in a power line communication network are provided. The network communication node receives a broadcast message from a gateway, and determines whether the load of the power line communication network changes or not. The network communication node is capable of changing a route for transmitting the data dynamically according to the change of the load.2012-06-07
20120140629ROUTING METHOD - A routing method from a source device to a destination device is provided in a device within an extended beacon group. The device receives a first route request beacon from the source device or via at least one first neighbor device from the source device in accordance with a table-driven type. The device transmits a second route request beacon to the destination device or via at least one second neighbor device to the destination device in accordance with an on-demand type.2012-06-07
20120140630Method Of Limiting The Amount Of Network Traffic Reaching A Local Node Operating According To An Industrial Ethernet Protocol - A method of limiting the amount of network traffic reaching a local node in an electronic device operating an Ethernet networking protocol and using a network stack including at least one physical layer (PHY) and one link layer, preferably a media access controller (MAC). The electronic device is connected to a communication network, the network traffic is filtered, and an unwanted data reception is filtered out. Filtering the network traffic takes place during reception. Network traffic is inspected, and if an unwanted reception is detected, the unwanted data is discarded when it reaches media access controller (MAC) of the network stack of the electronic device. An electronic device, functioning as a node, embodying aspects of the invention is described, and a computer program for carrying out the invention is also described.2012-06-07
20120140631DEADLOCK PREVENTION IN DIRECT NETWORKS OF ARBITRARY TOPOLOGY - Aspects of the invention pertain to routing packets in a computer system while avoiding deadlock. A turn rule is set according to unique identifiers associated with switches in the system. Numeric values of switches in possible turns are compared to determine whether a turn is permissible. The rule applies to all nodes in the system. The rule may be violated when using virtual channels. Here, a violation is permissible when using monotonically increasing virtual channel numbers or monotonically decreasing virtual channel numbers. Alternatively, the violations of the turn rule may be allowed if they force a packet to change to a later virtual channel in some fixed ordering of virtual channels. Deadlock can thus be avoided in many different types of architectures, including mesh, torus, butterfly and flattened butterfly configurations.2012-06-07
20120140632Congestion Control in a Telecommunications Network - The invention relates to a method for congestion control in a telecommunications network. The telecommunications network supports one or more active data sessions between a server and at least a first and second communication terminal by providing at least a first and a second bearer for these terminals. The at least first and second communication terminal are assigned to a group for which a common group identifier is or has been stored. Further, a first individual congestion parameter for the first bearer and a second individual congestion parameter for the second bearer of the first and second communication terminal are or have been stored. A group load indicator is defined for the group of terminals corresponding to the common group identifier. The group load indicator is monitored and compared with a group load condition for the group of the at least first and second communication terminals corresponding to the common group identifier. Congestion is controlled by adjusting at least one of the first individual congestion parameter of the first bearer and the second individual congestion parameter of the second bearer when said group load indicator satisfies the group load condition.2012-06-07
20120140633SYSTEMS AND METHODS FOR PRIORITIZING AND SCHEDULING PACKETS IN A COMMUNICATION NETWORK - Systems and methods provide a parameterized scheduling system that incorporates end-user application awareness and can be used with scheduling groups that contain data streams from heterogeneous applications. Individual data queues within a scheduling group can be created based on application class, specific application, individual data streams or some combination thereof. Application information and Application Factors (AF) are used to modify scheduler parameters such as weights and credits to differentiate between data streams assigned to a scheduling group. Dynamic AF settings may adjust relative importance of user applications to maximize user Quality of Experience (QoE) in response to recurring network patterns, one-time events, application characteristics, protocol characteristics, device characteristics, service level agreements, or combinations thereof. Scheduling parameters may be dynamic and incorporate the notions of “duration neglect” and “recency effect” in an end-user's perception of video quality in order to optimally manage video traffic during periods of congestion.2012-06-07
20120140634Process For Controling The HSDPA Downlink Data Rate Received By a User Equipment - A process for allowing a User Equipment (UE) in a wireless communication network to control the HSDPA downlink data rate received from a NodeB, said UE successively receiving blocks of data having a predetermined size (N), involving the steps of: receiving (2012-06-07
20120140635Data relay device and route selection method - A data relay device stores therein a total of costs between nodes in each of routes and, if a path having a predetermined bandwidth is to be established from a start node that is the device in a network to an end node, refers to the total cost while converging a number of routes required for obtaining the predetermined bandwidth, thereby virtually establishing one path. The data relay device includes a group organizing unit that organizes groups of routes such that a difference between total costs of the respective routes is equal to or less than a predetermined value preset in the data relay device; and a route selecting unit that selects a number of routes corresponding to the bandwidth of the path from an identical group in the groups organized by the group organizing unit in response to a request for establishing a path to the end node.2012-06-07
20120140636METHODS AND APPARATUS TO DETERMINE NETWORK LINK WEIGHTS - Methods and apparatus to determine network link weights are disclosed. An example method disclosed herein to determine link weights for routing in a communication network comprises iteratively updating a plurality of vectors using a genetic algorithm, the vectors including a plurality of individual values decodable into possible link weights, and decoding a first one of the vectors updated using the genetic algorithm into a first plurality of link weights providing a possible routing of a load through the communication network, the load to be split among a plurality of paths having respective path lengths determined from the plurality of link weights, at least two of the paths having different path lengths.2012-06-07
20120140637COMMUNICATION NETWORK AND METHOD FOR OPERATING A COMMUNICATION NETWORK - A communication network includes a plurality of network elements—communicating nodes—that are enabled to request the establishment of connections—flows—among each other, and a plurality of network elements—switches (2012-06-07
20120140638Method, System and Device for Using Terminal Identifier - The embodiments of the present invention disclose a method, a system and a device for using a user equipment identity, and the method includes: the network side configures, for a user equipment performing carrier aggregation, the uniform Radio Network Temporary Identity (RNTI)(s) in the cell where the carrier aggregation is performed; the network side and the user equipment perform data reception and transmission using the uniform RNTI(s) configured in the cell where the carrier aggregation is performed. By the invention, a user equipment with carrier aggregation technology is able to perform the data reception and transmission with each cell using the RNTI(s).2012-06-07
20120140639CONVERGENCE FOR CONNECTIVITY FAULT MANAGEMENT - A solution for convergence for connectivity fault management includes, at a device having a network interface, maintaining a continuity state. The continuity state is associated with a Connectivity Fault Management (CFM) Maintenance Association (MA) comprising multiple Maintenance End Points (MEPs) including a first MEP associated with the device. The maintaining includes setting the state to a value indicating continuity of the MA if a converged notification is received from the first MEP. The maintaining also includes setting the state value to a value indicating loss of continuity of the MA if a predetermined number of echo packets sent by the device towards the MEPs other than the first MEP are not received by the device within a predetermined time period.2012-06-07
20120140640APPARATUS AND METHOD FOR DYNAMICALLY PROCESSING PACKETS HAVING VARIOUS CHARACTERISTICS - An apparatus for processing different types of packets using various interfaces and method thereof. The apparatus uses a general-purpose processor, instead of a particular network processor, and uses a general open source software compiler without the use of a particular compiler and an application program interface (API) for use in processing a specific packet, and accordingly, it is easy to reuse software when upgrading hardware and software.2012-06-07
20120140641METHODS, APPARATUS AND ARTICLES OF MANUFACTURE TO TEST HOME NETWORKS - Example methods, apparatus and articles of manufacture to test home networks are disclosed. A disclosed example method includes receiving a command from a wirelessly coupled test controller, communicative coupling a communication module to a home network in response to the command, performing a test of the home network via the communication module, and returning a result of the test to the test controller via a wireless signal.2012-06-07
20120140642Configuration of access points in a telecommunications network - A GSM or UMTS mobile telecommunications network is provided including a radio access network comprising macro base stations with additional access points. The access points are connected to a network core via a hub and a concentrator and may appear to a mobile terminal as a conventional base station that communicates with the mobile terminal using GSM or UMTS protocols and does not require modification to a standard GSM or UMTS mobile terminal. The access points are associated as a cluster. A procedure includes performing initial configuration of the access points such that one or more of the access points operates in a transmit mode while the other access points operate in a receive mode only. The strength of the received signal is processed by a processor associated with the concentrator which calculates and provides parameters to each of the access points to provide optimum radio coverage within premises.2012-06-07
20120140643METHOD AND APPARATUS FOR AUTOMATIC ESTIMATION OF TRAFFIC REASSIGNMENT - A method and apparatus for providing an estimation of traffic reassignment for a network are disclosed. For example, the method and apparatus provide an automatic estimation of traffic reassignment for a wireless network.2012-06-07
20120140644METHODS AND APPARATUS FOR PROVIDING ROBUST CIRCUIT SWITCH FALL BACK PROCEDURE - A method, an apparatus, and a computer program product for wireless communication are provided in which a user equipment (UE) may obtain at least one of a plurality of circuit switched fall back (CSFB) parameters from at least one of an LTE eNodeB or a usable system, wherein the plurality of CSFB parameters comprise a channel list, a system time, and a neighbor list, and may perform one or more system acquisition actions based on the at least one of the plurality of obtained CSFB parameters.2012-06-07
20120140645METHOD AND APPARATUS FOR DISTRIBUTING VIDEO - A method and apparatus for distributing live video to multiple client devices is provided herein. In particular, a router is provided that acts on behalf of all client devices in its network. The router serves multiple groups of client devices with each group being formed by client devices having similar bandwidth requirements. The router then requests and receives video chunks from a network. The router then redistributes the video chunks to the multiple client devices using a multicast transmission. In particular, to minimize the demands on the core network, the router sets up a separate multicast to each group. Live video, of the appropriate quality is then multicast to each group.2012-06-07
20120140646Method and Device to Improve Channel Coexistence Using Non-Contiguous Channels of a Wireless Network - A method and device. The device is to use a first frequency segment of a wireless non-contiguous channel to monitor non-operating channels within an operating range of a wireless network; and use a second frequency segment of the wireless channel as a communication channel of the wireless network.2012-06-07
20120140647Communications Techniques For Bursty Noise Environments - Techniques are disclosed that involve communicating in bursty noise environments. For instance, a source device may send a probing packet to a destination device. This probing packet is for determining whether the communications medium (e.g., one or more frequency channels) is currently exhibiting a busy or jammed (e.g., due to bursty noise) condition. More particularly, based on whether an acknowledgment of the probing packet is received, the source device determines whether the channel is jammed (or busy) or clear. For example, an unacknowledged probing packet indicates that the channel is jammed or busy, while an acknowledged probing packet indicates that the channel is clear. If the channel is determined to be clear, then the source device may transmit one or more data packets to the destination device. Such data packet transmissions may be in accordance with a non rate-adaptive technique.2012-06-07
20120140648Method And Apparatus For Improved Multicast Service - Various methods and devices are provided to address the need for improved multicast operation. In one method, a station transmits (2012-06-07
20120140649PRIORITIZING MULTIPLE CHANNEL STATE INFORMATION (CSI) REPORTING WITH CARRIER AGGREGATION - A method for reporting uplink control information (UCI) on a user equipment (UE) is described. Multiple channel state information (CSI) reports are generated for multiple component carriers (CCs) that are scheduled to be transmitted in a subframe. A method of prioritization for the CSI reports is selected. A highest priority CSI report of the multiple CSI reports is determined using the selected method of prioritization. The highest priority CSI report is transmitted.2012-06-07
20120140650BANDWIDTH EFFICIENCY IN A WIRELESS COMMUNICATIONS NETWORK - A method of processing a signal for transmission, the method comprising: determining a quality of a first portion of the signal; and if the quality satisfies a threshold criterion then aggregating a representation of the first portion of the signal with a representation of a subsequent portion of the signal.2012-06-07
20120140651SYSTEM SUPPORT FOR ACCESSING AND SWITCHING AMONG MULTIPLE WIRELESS INTERFACES ON MOBILE DEVICES - A client-based system for use in a mobile client device in communication with a remote server device provides for dynamically switching among multiple wireless interfaces on the mobile client device. The system includes a first interface for communicating over a cellular network, a second interface for communicating over a WiFi network, and a computer-readable medium within the mobile client device, having thereon computer-executable instructions for switching one or more connection-oriented sessions from one of the first and second interfaces to the other based on a selection policy selected from an energy saving selection policy, an offload selection policy, and a performance selection policy.2012-06-07
20120140652METHOD, SYSTEM AND DEVICE FOR DETERMINING COOPERATIVE TRANSMISSION NODE - A method, a system and a device for determining cooperative transmission node are provided, wherein, the method includes: a base station sends configuration information of uplink signal for a user terminal to the user terminal and each relay node device belonging to the base station; said base station and said each relay node device receive the uplink signal sent by the user terminal according to said configuration information of uplink signal, and measure the uplink signal; the measurement result of obtained by said base station is compared with the measurement result of each relay node device, and the cooperative transmission node for the user terminal is determined according to the result of the comparison. The present invention can determine the optimal node device set which participates in cooperation, and also modify the optimal cooperative transmission node set for a user terminal in real time, and enables transparent cooperative transmission for the user terminal.2012-06-07
20120140653METHOD AND DEVICE FOR PROCESSING A MEASUREMENT CONTEXT - A method and a device for processing a measurement context are provided by the present invention. The method includes: preparing for handover between radio access network devices in the Long Term Evolution (LTE) system (2012-06-07
20120140654METHOD AND APPARATUS FOR MANAGING BACKUP CHANNEL IN MULTI-CHANNEL ENVIRONMENT - The present invention relates to a method and apparatus for managing a backup channel in a multi-channel environment. According to an aspect of the present invention, the method of managing a backup channel in a multi-channel environment includes transmitting a control region of a super frame through a first channel constituting the multi-channel and transmitting a data region of the super frame to a destination terminal through a second channel constituting the multi-channel. A transmission quality of the first channel is acquired using the control region transmitted through the first channel.2012-06-07
20120140655METHOD AND APPARATUS FOR FEEDING BACK CHANNEL QUALITY INFORMATION IN MULTI-USER MULTI-INPUT MULTI-OUTPUT COMMUNICATION SYSTEM - A method for feeding back Channel Quality Information (CQI) by a terminal in a Multi-User Multi-Input Multi-Output (MU-MIMO) communication system is provided. The method includes receiving a signal from a base station, determining a lower limit of an average Signal to Interference plus Noise Ratio (SINR) for the received signal, and determining the lower limit of an average SINR as CQI, and feeding back the CQI to the base station.2012-06-07
20120140656Method and Arrangement for Load Management in Heterogeneous Networks with Interference Suppression Capable Receivers - In a method of providing load measurements in an interference suppression capable radio base station node associated with a plurality of users in a heterogeneous wireless communication system, applying interference suppression to received signals in the radio base station node, to provide interference suppressed received signals. Subsequently, estimating neighbor cell interference based on the interference suppressed received signals, and estimating a reference received total wideband power, based on the interference suppressed received signals. Then performing the steps of determining a first load measure based on the interference suppressed received signals and the estimated reference received total wideband power, and determining a second load measure based on the interference suppressed received signals, the estimated reference received total wideband power and on the estimated neighbor cell interference.2012-06-07
20120140657Methods and Arrangements for Cell Stability in a Cellular Communication System - A method for assisting load scheduling in a wireless communication system comprises computing of an estimate of a noise floor measure for received uplink radio signals and a neighbor cell interference power is estimated. An interference whitening of the received uplink radio signals is performed based on frequency domain equalizing or frequency domain pre-equalizing. A useful signal power after interference whitening is determined and a first user noise floor compensation factor is derived. A noise rise measure is calculated based at least on the useful signal power after interference whitening, the noise floor compensation factor, the noise floor measure and the estimated neighbor cell interference power.2012-06-07
20120140658WIRELESS BASE STATION FOR CONTROLLING ANTENNA TRANSMISSION POWER - Provided is a wireless communication system which includes a wireless communication unit using plural frequency bands and plural antennas. The system changes the transmission power of each antenna, based on the interference of each of the frequency bands from the neighbor base station along the antenna direction. The system estimates the number of antennas necessary for transmission in response to a user requirement, and determines a necessary antenna in accordance with the antenna direction in which the terminal is located, and further changes the transmission power of each antenna.2012-06-07
20120140659TERMINAL-TO-TERMINAL COMMUNICATION CONNECTION CONTROL METHOD USING IP TRANSFER NETWORK - The present invention is the communication system that the communication connection control between the terminals is performed, in the IP transfer network forming the closed network, by using the IP communication record. Further, the present invention relates to the communication system to perform the communication connection control between the terminals by obtaining the IP address of the server which manages the communication connection control of the destination terminal based on the telephone number or the host name of the destination terminal.2012-06-07
20120140660METHOD AND APPARATUS FOR COOPERATIVE TRANSMISSION IN MULTI-NODE SYSTEM - A method of performing cooperative transmission in a multi-node system including a Base Station (BS) and a plurality of nodes controlled by the BS is provided. The method comprises: transmitting a first signal generated using a first cell identifier (ID) from the plurality of nodes; and transmitting a second signal generated using a second cell ID from at least one of the plurality of nodes, wherein the first cell ID is identical with a cell ID used by the BS, and the second cell ID is different from the first cell ID.2012-06-07
20120140661Communication Quality Estimation Apparatus, Base Station Apparatus, Communication Quality Estimation Method, and Communication Quality Estimation Program - A communication quality estimation apparatus includes a channel information acquisition section for receiving channel quality information indicating channel quality in transmission paths between a plurality of terminal apparatuses and a base station apparatus from the plurality of terminal apparatuses for each subframe, a smoothing calculation section for calculating smoothed channel quality information by smoothing the channel quality information received so far from the terminal apparatus for each terminal apparatus, and a smoothed information storage section for storing the smoothed channel quality information calculated by the smoothing calculation section in association with an identifier of each of the plurality of terminal apparatuses.2012-06-07
20120140662METHOD AND APPARATUS FOR DETERMINING LENGTH OF TRANSMISSION FRAME BASED ON LINK QUALITY INDICATOR (LQI) - A method and apparatus for determining a length of a transmission frame based on a Link Quality Indicator (LQI) are provided. A target transmitter may request an LQI from a target receiver, and the target receiver may transmit information about the LQI to the target transmitter. The target transmitter may determine the length of the transmission frame based on the LQI. The target transmitter) may determine the length of the transmission frame proportional to the LQI.2012-06-07
20120140663METHOD AND APPARATUS FOR FEEDBACK OF CHANNEL STATE INFORMATION IN A DISTRIBUTED ANTENNA SYSTEM (DAS)- BASED WIRELESS COMMUNICATION SYSTEM - Feedback methods and apparatuses are provided for efficiently feeding back downlink Channel State Information (CSI) using limited information in a DAS-based wireless communication system. A method includes determining, by a receiver, a candidate Antenna Port (AP) set from among a plurality of APs; selecting an active AP set from the candidate AP set; and transmitting the candidate AP set, the active AP set, and the downlink CSI of active APs included in the active AP set2012-06-07
20120140664RANDOM ACCESS FOR WIRELESS MULTIPLE-ACCESS COMMUNICATION SYSTEMS - Techniques for facilitating random access in wireless multiple-access communication systems are described. A random access channel (RACH) is defined to comprise a “fast” RACH (F-RACH) and a “slow” RACH (S-RACH). The F-RACH and S-RACH can efficiently support user terminals in different operating states and employ different designs. The F-RACH can be used to quickly access the system, and the S-RACH is more robust and can support user terminals in various operating states and conditions. The F-RACH may be used by user terminals that have registered with the system and can compensate for their round trip delays (RTDs) by properly advancing their transmit timing. The S-RACH may be used by user terminals that may or may not have registered with the system, and may or may not be able to compensate for their RTDs. Other aspects, embodiments, and features are also claimed and described.2012-06-07
20120140665METHOD, APPARATUS AND SYSTEM FOR AUTHORIZING POLICY AND CHARGING CONTROL RULE - A method, an apparatus and a system for authorizing a policy and charging control rule are provided. The method includes: receiving a resource allocation request message, where the resource allocation request message indicates that a resource is allocated on a designated bearer; sending ARP information of the designated bearer to a PCRF; and receiving QoS of PCC rule authorized by the PCRF according to the ARP information of the designated bearer, and performing bearer binding according to the QoS of the authorized PCC rule. In the present invention, the PCRF acquires the ARP information of the designated bearer, so that the PCC rule authorized by the PCRF can be bound to the designated bearer, and the user equipment on the designated bearer can be successfully allocated the resource.2012-06-07
20120140666MOBILE COMMUNICATION SYSTEM, RELAY NODE, RADIO BASE STATION, AND GATEWAY DEVICE - A mobile communication system according to the present invention comprising a plurality of Un radio bearers set between the plurality of mobile stations UE and the relay node RN, each of Un radio bearers for a predetermined QoS set for different mobile stations UE is configured to be mapped to a Un radio bearer for the predetermined QoS set between the relay node RN and the radio base station DeNB.2012-06-07
20120140667RADIO BASE STATION AND COMMUNICATION CONTROL METHOD - A control unit (2012-06-07
20120140668METHOD AND APPARATUS FOR CALCULATING PACKET ARRIVAL TIME INTERVAL - A method and an apparatus for calculating packet arrival time interval are provided by the present invention. In the above-mentioned method, when the current packet arrives, system current time T2012-06-07
20120140669METHOD AND ARRANGEMENT FOR TESTING OF A CAPACITY OF A COMMUNICATION NETWORK - A method in a communication network node for testing a capacity of a communication network comprising the communication network node is provided. The communication network node communicates with a plurality of user equipments on downlink and uplink channels over an air interface. The communication network node generates (2012-06-07
20120140670COMMUNICATION TERMINAL - When a determining unit (2012-06-07
20120140671NETWORK FLOW MONITORING AND ANALYSIS - To analyze the performance of a network including edge routers and a hub router coupled together by communication links, an analysis method includes discovering the topology of the network that is initially unknown. An information handling system (IHS) determines baseline performance information with respect to the discovered topology of network, the baseline performance information including network capacity information on a per link basis. The discovered topology of the network is speculatively changed to provide a speculatively changed network with prospects for performance improvement. The IHS determines an estimated impact of the speculative change to the discovered topology of the network by repeating the topology discovery and the determination of baseline performance using the speculative changed topology.2012-06-07
20120140672SYSTEM AND METHOD FOR PROCESSING NETWORK PACKET FLOWS - A network node includes a classify engine interfaced with the Internet. The classify engine accepts packets from the Internet and determines classification information for each packet. A process engine is interfaced with the classify engine, and has ports, each port being associated with a function. A controller is interfaced with the classify engine and the process engine. The controller programs the classify engine with a dataflow program to route each packet to a predetermined port of the process engine based on the classification information of the packet.2012-06-07
20120140673INTER-FRAME GAP CONTROLLER, TRAFFIC TRANSMITTER, TRANSMISSION APPARATUS AND INTER-FRAME GAP CONTROL METHOD - An inter-frame gap controller 2012-06-07
20120140674METHOD AND APPARATUS FOR PLANNING BASE STATION CONTROLLERS IN A WIRELESS NETWORK - A method and apparatus for providing planning of a plurality of base station controllers in a wireless network are disclosed. For example, the method obtains input data, and determines a limit for at least one base station controller parameter in accordance with the input data. The method determines if the limit for the at least one base station controller parameter is exceeded and determines an optimal output for an objective function, wherein the objective function is based on a plurality of penalty factors, if the limit for the at least one base station controller parameter is exceeded.2012-06-07
20120140675Endpoint-to-Endpoint Communications Status Monitoring - Communication ability between nodes in a cluster-based computer system is tracked to inform applications executing on the nodes of the existence and quality of the endpoint-to-endpoint communications available between the nodes. Communications between a node and other nodes are tracked, and a database records the communication ability between the node and the other nodes for each link between the nodes. The tracking and recording are repeated at the other nodes. A registration by an application executing at a particular one of the nodes to receive notifications of changes in the communication ability with another node over a particular link (or in general) will cause notification of the application when the link status changes.2012-06-07
20120140676WIRELESS NETWORK CONNECTION CONTROLLING METHOD USING DEVICE IMPACT, APPLICATION PROGRAM CONTROLLING METHOD, AND DEVICES THEREOF - Wireless network connection control method of performing control for establishing and releasing wireless network connection with another device when impacts are applied to devices, application program control method of performing control for setting and executing application program when impacts are applied to devices, and device including wireless network connection control function and application program control function which use a device impact are disclosed. According to the present invention, provided is a wireless network connection control method of a device using a device impact, including generating a corresponding impact event when physical impact applied from the outside is sensed, transceiving a search message between devices based on a time at which the impact event occurred, searching for another device in which the impact event has occurred at the same time, and performing a predetermined protocol with a corresponding device according to a search result and establishing an inter-device wireless network connection.2012-06-07
20120140677Method of Transmitting or Receiving Control Information in Wireless Communication System and Apparatus of the Same - A method of transmitting control information by a base station in a wireless communication system is provided. In the method, control information is broadcast, and negative-acknowledgement (NACK) information associated with the broadcasted control information is received from at least one User Equipment (UE), and then the control information is retransmitted to at least one UE in response to the NACK information.2012-06-07
20120140678Communication and Message Route Optimization and Messaging in a Mesh Network - A method and system facilitate communications between an unassociated device and a server via a mesh network and a wide area network. The method may include receiving transmissions from candidate proxy devices, wherein each candidate proxy device is associated with a mesh network. The method may include selecting a proxy device from the candidate proxy devices. The method may include communicating with a server via the proxy device and the associated mesh network.2012-06-07
20120140679PATH SETTING METHOD AND TRANSMISSION DEVICE - A path setting method for setting a backup path corresponding to a currently used path in a ring network using a label switching method includes setting an unused first label as a transmitting label of the backup path corresponding to the currently used path in a first direction; reporting the first label to a adjoining transmission device in the first direction; setting the first label as a receiving label of the backup path in the first direction; setting an unused second label as the transmitting label of the backup path in a second direction; reporting the second label to a adjoining transmission device in the second direction; and setting the second label as the receiving label of the backup path in the second direction, in which the backup path is set when the currently used path is set between two transmission devices.2012-06-07
20120140680Ring-tone Detection in a VoIP Call - Alerting a calling party in a Voice over IP (VoIP) setting that a called party might not be able to hear ring-tones. In response to a call arriving on an IP connection, the audible level of ring-tones that are generated by a microphone associated with a VoIP computer application is sampled, and responsive to the audible level of ring-tones being below a minimum threshold, a message is transmitting to the calling party via any available connection that the called party might be unable to hear the ring-tones.2012-06-07
20120140681SYSTEMS AND METHODS FOR MANAGING CONFERENCES - Described are a conference management system and method for administering an online conference. The conference management system receives an electronic communication from a conference participant. A group is determined to be associated with the conference participant. An action is performed on the conference participant based on the group association.2012-06-07
20120140682Dual Mode Base Station - A base station including at least a transceiver switch is provided enabling the base station to transmit and receive data in either FDD or TDD mode from an antenna. The base station may be provided with a synthesiser which can be retuned from FDD to TDD mode or alternatively, an FDD and a TDD synthesiser and a switch enabling the transmitter and receiver of the base station to process FDD or TDD mode data respectively.2012-06-07
20120140683METHOD OF EXPLOITATION OF CO-CHANNEL INTERFERENCE, APPARATUS AND COMPUTER PROGRAM - A method of canceling co-channel interference of a signal received by a mobile station having at least two receiving antennas, in a cellular OFDMA-TDD communication network having a serving base station and at least one interfering base station. The signal is a result of a serving signal transmitted by the serving base station which is distorted by at least one interfering signal transmitted by the interfering base station. The serving signal is transmitted with a first modulation scheme and the interfering signal is transmitted with a second modulation scheme. The method includes: a channel estimation phase delivering channel estimations of the serving signal and the interfering signal; and a MIMO detecting phase, detecting symbols by using the channel estimations of the serving signal and the interfering signal. The MIMO detection phase is realized using a non-linear method which uses the first modulation scheme and the second modulation scheme.2012-06-07
20120140684Method of Cell Reselection in a Wireless Telecommunications Device Operative with a Plurality of Radio Access Networks - Apparatus and a method of cell reselection in a wireless telecommunications device operative with a plurality of radio access networks are disclosed. The method comprises, when the device is camped on a first radio access network: ranking cells in a neighbouring list according to cell reselection criteria; considering for cell reselection a cell in the neighbouring list; when the cell in the list is a cell of a second radio access network different from the first radio access network, applying an algorithm for cell reselection from the second radio access network to the first radio access network; and when the algorithm as applied would result in reselection to the first radio access network, considering for cell reselection another cell in the list.2012-06-07
20120140685SIMPLIFIED ADAPTIVE FILTER ALGORITHM FOR THE CANCELLATION OF TX-INDUCED EVEN ORDER INTERMODULATION PRODUCTS - One embodiment of the present invention relates to an adaptive filtering apparatus comprising first and second real valued adaptive filters, respectively configured to receive an adaptive filter input signal based upon a transmission signal in a transmission path. The first real valued adaptive filter is configured to operate a real valued adaptive filter algorithm on the input signal to estimate a first intermodulation noise component (e.g., an in-phase component) in a desired signal and to cancel the estimated noise. The second real valued adaptive filter is configured to operate a real valued adaptive filter algorithm on the input signal to estimate a second intermodulation noise component (e.g., a quadrature phase component) in the desired signal and to cancel the estimated noise. Accordingly, each filter operates a real valued adaptive algorithm to cancel a noise component, thereby removing complex cross terms between the components from the adaptive filtering process.2012-06-07
20120140686METHOD AND APPARATUS FOR SENDING, RECEIVING, AND TRANSMISSION OF DATA PACKETS (AS AMENDED) - The present invention discloses a method and apparatus for sending, receiving, and transmitting data packets. In the above transmitting method, a GTP-U data packet is segmented into a plurality of data packet segments, and each data packet segment is added with attribute information of its own respectively and one or more data packet segments which have been added with the attribute information are sent each time; a plurality of data packet segments are received, the attribute information carried by each data packet segment is acquired respectively, and the received data packet segments which belong to the same GTP-U data packet are combined according to the attribute information of each data packet segment, to obtain a data packet. The technical solution provided according to the present invention can control the size of the GTP-U data packet flexibly and can extend the data packet (data payload) capacity of the sending operation which is supported by GTP-U.2012-06-07
20120140687RADIO COMMUNICATION APPARATUS AND RADIO COMMUNICATION METHOD - Provided is a radio communication device which can make Acknowledgement (ACK) reception quality and Negative Acknowledgement (NACK) reception quality to be equal to each other. The device includes: a scrambling unit (2012-06-07
20120140688SYSTEM AND METHOD FOR NOTIFYING BACK OFFICE PRIOR TO END OF TELEMATICS UNIT STANDBY PERIOD - The described method and system provide for notification to network applications by a telematics unit in standby mode of when the telematics unit is switching away from standby mode and will be come unavailable for communication with the network applications. The network application may include mobile applications for mobile devices (such as smartphones) and web applications accessible through web pages. The telematics unit may communicate with the back office(s) of the network applications. If the vehicle is a plug-type vehicle, the telematics unit or network application may further extend the standby period of the telematics unit or vehicle when the vehicle is plugged in.2012-06-07
20120140689METHOD AND APPARATUS FOR FAST ASSISTIVE TRANSMISSION OPERATION - A method for coordinating discontinuous reception (DRX) operation between a primary serving cell and a secondary serving cell includes configuring DRX parameters for the primary serving cell and the secondary serving cell, performing a radio interface synchronization procedure to align a connection frame number (CFN) in both the primary serving cell and the secondary serving cell, and coordinating DRX reception patterns for the primary serving cell and the secondary serving cell using the aligned CFN.2012-06-07
20120140690Synchronized Interference Mitigation Scheme for Heterogeneous Wireless Networks - In a method of synchronizing time domain multiplexing interference mitigation schemes of at least a first, second, and third wireless communication link within a first, second, and third network, respectively, a first set of parameters defining a first set of time intervals is determined. The first set of time intervals is utilized to schedule transmissions of the first wireless communication link to reduce interference with transmissions of the second wireless communication link. A second set of parameters defining a second set of time intervals is determined. The second set of time intervals is utilized to schedule transmissions of the first wireless communication link to reduce interference with transmissions of the third wireless communication link. The second set of parameters is determined based at least in part on at least one of the first set of parameters.2012-06-07
20120140691METHOD AND RELATED COMMUNICATION DEVICE FOR PARAMETER RECONFIGURATION IN A WIRELESS COMMUNICATIONS SYSTEM - A method for reconfiguring parameters of a discontinuous reception operation of a medium access control layer for a mobile device of a wireless communication system includes when a radio resource control dedicated signaling for disabling a short cycle mode of the discontinuous reception operation is received during activation of the short cycle mode, switching from the short cycle mode to a long cycle mode of the discontinuous reception operation.2012-06-07
20120140692METHOD AND SYSTEM FOR TRANSMITTING DYNAMIC SCHEDULING INFORMATION - The present invention discloses a method for transmitting dynamic scheduling information (DSI) of Multimedia Broadcast Multicast Services (MBMS). A network side bears the dynamic scheduling information (DSI) of Multimedia Broadcast Multicast Services (MBMS) born on a plurality of Multicast Channels (MCH) in one Multicast Broadcast over Single Frequency Network (MBSFN) area on one MCH to send. User Equipment (UE) reads scheduling information of MBMS born on each MCH in said MBSFN area from the MCH bearing a plurality of pieces of DSI placed together or one piece of DSI combined, and receives the MBMS born on different MCHs according to read scheduling information. The present invention further provides a network side device of a system supporting to transmit dynamic scheduling information and a corresponding system.2012-06-07
20120140693METHOD OF TRIMMING TRAFFIC IN AN E-MBMS SYSTEM AND BM-SC FOR IMPLEMENTING THE METHOD - The present invention provides a method of trimming traffic in an e-MBMS system and BM-SC for implementing the method. The method comprises: determining, by a BM-SC, an ABBR of the multiplexing; allocating, by an MCE, resources based on the determined ABBR; determining, by the BM-SC, whether data amount to be transmitted in a synchronization period exceeds resources allocated in the synchronization period; and dropping, by the BM-SC, tail data packets that cannot be sent in the synchronization period in the multiplexed service if it is determined to exceed. Further, the method also comprises; before the step of determining, voluntarily dropping, by the BM-SC, some data packets in the multiplexed service.2012-06-07
20120140694METHOD AND DEVICE FOR DETERMINING CQI VALUE IN COORDINATED MULTI-POINT TRANSMISSION/RECEPTION - In the invention, a method for determining a channel quality indicator (CQI) value in coordinated multi-point transmission/reception (COMP) is provided, wherein the method comprises the following steps: a receiving side feeds back an independent CQI value or normalized useful signal power of each point of all or part of the points in a COMP measurement set or reporting set to a network side; the receiving side feeds back the correlation coefficient between the channel of each point and the channel of a master serving point to the network side; and the network side determines, according to the correlation coefficient and the independent CQI value of each point or normalized useful signal power, the CQI value used for coordinated multi-point transmission/reception. In the invention, a device is also provided for determining the CQI value in COMP. The feedback overhead is low in the present invention, and a more accurate final CQI value can be obtained through function operation.2012-06-07
20120140695System and Method for Wireless Communication Diversity Retransmission Relay - A wireless communication system transmits a data packet from a cell to a terminal and to a diversity relay. The diversity relay stores the data packet and, based on a state of an acknowledgement signal from the terminal indicating a failure of the terminal to receive and decode the data packet, determines that a subsequent data packet will be a retransmission and, in response, retrieves and transmits the stored data packet to the terminal, cooperative with the retransmission from the data packet from the cell to the terminal. Optionally, the diversity relay transmits pilot signals to the terminal and, optionally, modifies channel quality reports sent from the terminal to the cell.2012-06-07
20120140696ROUTE MAINTENANCE AND UPDATE BASED ON CONNECTION IDENTIFIER IN MULTI-HOP RELAY SYSTEMS - Connection ID (CID) assignment in multi-hop relay system can be used to perform routing. Using CID assignment as routing information in a multi-hop wireless relay system to maintain the routing structure is disclosed. In a CID cache scheme, a base station builds a CID cache based on the upstream packet and broadcasts the CID cache to a relay station. The CID cache comprises CIDs along with routing information. Based on CID cache the spanning tree of the routing can be reconstructed. A hierarchical CID assignment is disclosed wherein a base station assigns a range of CIDs to a relay station. A relay station can recognize its data packets and forward them to corresponding mobile stations. Maintaining routing automatically along with CID assignment is also disclosed.2012-06-07
20120140697RELAY METHOD OF TRANSPORT BEARER, APPARATUS AND COMMUNICATION SYSTEM - Embodiments of the present invention disclose a relay method of a transport bearer, an apparatus and a communication system. According to the technical solutions in the present invention, when receiving information encapsulated by a source device and sent by the source device, a relay base station first decapsulates the information, encapsulates the information again, and then sends the encapsulated information to a host device, thus ensuring that the information has only a layer of encapsulation in the transport procedure, so as to avoid a case that a high overhead caused by two layers of encapsulation occurs in the transport procedure. Compared with the prior art, the overhead in the transport procedure may be reduced, and the transport efficiency may be increased.2012-06-07
20120140698METHOD AND APPARATUS FOR TRANSMITTING CONTROL SIGNAL OF RELAY STATION IN WIRELESS COMMUNICATION SYSTEM - A method and an apparatus for transmitting a control signal of a relay station in a wireless communication system are provided. The relay station generates a control signal of uplink control information and performs mapping of the generated modulation symbol into a backhaul subframe that has a relay physical uplink control channel (R-PUCCH) assigned thereto. The backhaul subframe includes two slots among. Among single carrier frequency division multiple access (SC-FDMA) symbols that constitute the backhaul subframe, an orthogonal cover (OC) sequence is applied to the SC-FDMA symbol which the modulation symbol has been mapped into, and later the backhaul subframe is transmitted. The generated modulation symbol is mapped according to the same pattern as the two slots.2012-06-07
20120140699SCHEDULING METHOD AND APPARATUS IN A RELAY COMMUNICATION SYSTEM - Disclosed are a packet scheduling method and apparatus in a relay network. A scheduling method of a relay station in a relay communication system includes: receiving information regarding an amount of generated data to be transmitted to a user from a base station; estimating the size of a queue of the base station storing the data to be transmitted to the user based on the amount of generated data received from the base station; obtaining the size of a virtual queue in which overall data to be transmitted to a user with reference to the estimated size of the queue of the base station and the size of a queue of the relay station storing data to be transmitted to a user; performing scheduling to allocate resource based on the size of the virtual queue; and transmitting data to the user based on the scheduling results.2012-06-07
20120140700Handover Method Based on Mobile Relay and Mobile Wireless Relay System - The present invention provides a handover method based on a mobile relay comprising: when handover of the mobile relay occurs, a source Donor evolved NodeB (DeNB), as an intermediate node, connecting a relay access network with an Evolved Packet Core (EPC), the relay access network at least comprising a target DeNB and a mobile relay; and the source DeNB forwarding data from the relay access network to the EPC and forwarding the data from the EPC to the relay access network. With the present invention, the handover of the mobile relay is implemented, and the mobility of the relay can be supported.2012-06-07
20120140701Relay Communication System Supporting Multiple Hops and Access Method Thereof - The present invention discloses a relay communication system supporting multiple hops and an access method of a relay communication system supporting multiple hops. The access method comprises: a second node residing in a first node and setting up an air interface connection with the first node; the second node setting up a connection with a core network through the first node; the first node forwarding, as a gateway, data between the second node and the core network, while acting as a core network gateway which serves the second node; and while acting as the core network gateway, setting up a connection with the second node under control of a Mobility Management Entity (MME) and allocating addresses; and the first node applying for creating channels and applying for addresses to a network element of the core network which serves the first node.2012-06-07
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