Entries |
Document | Title | Date |
20080207216 | Transmission Speed Control Method, Mobile Station, and Radio Line Control Station - The present invention relates to a transmission rate control method for controlling a transmission rate of user data to be transmitted via an uplink by a mobile station. When a serving cell, which performs a scheduling control in an uplink of the mobile station, is configured to transmit, to the mobile station, an absolute rate allocation channel for indicating a maximum allowable transmission rate which is common in the serving cell, and the mobile station is configured to determine the transmission rate of the user data based on the absolute rate allocation channel, a non-serving cell other than the serving cell does not transmit a relative rate allocation channel for adjusting the maximum allowable transmission rate. | 08-28-2008 |
20080248807 | METHOD AND APPARATUS FOR CONTROLLING A CALL IN A COMMUNICATION SYSTEM - A method for controlling a call, by a base station, in a communication system is provided. The method includes receiving a call admission request for call connection from a mobile station; determining whether to admit the call admission request taking into account a backhaul section capacity available in a backhaul section and a wireless section capacity available in a wireless section; and transmitting information indicating the determination result to the mobile station. The wireless section indicates a section between the base station and the mobile station, and the backhaul section indicates a section between the base station and a base station controller. | 10-09-2008 |
20080268864 | Method and Apparatus in a Telecommunication System - The present invention relates in general to the radio communications field and, in particular, to a method and apparatus for detecting congestion in a spread spectrum Code Division Multiple Access (CDMA) cellular communication system. By measuring the number of Signal-to-Interference Ratio Error reports being received at the Radio Network Controller a potential congestion can be detected in the cell when the number of reports being received is above a threshold. Further can a differentiation be made between a potential or a serious congestion and different actions be performed dependant on if a potential or a serious congestion is detected. | 10-30-2008 |
20080280623 | Method and Apparatus For Distributing Load on Application Servers - A method and apparatus for handling incoming service requests, where an application server comprises a set of traffic modules, each being capable of handling at least one predetermined multimedia service. When an initial service request is received from a requester, a load balancing function, capable of selecting basically any traffic module in the set of traffic modules, is applied to assign a traffic module in the set of traffic modules for handling the received service request. After processing the request, a response is sent to the requester including a port number associated with the assigned traffic module. When receiving a subsequent service request including a port number indication, a port mapping function is applied to determine the earlier-assigned traffic module associated with the given port number indication, for handling said subsequent service request. | 11-13-2008 |
20080293429 | METHOD AND APPARATUS FOR PROVIDING DEFERABLE DATA SERVICES IN A CELLULAR COMMUNICATION SYSTEM - A communication system, upon receiving an instruction to transfer deferrable data, determines whether an air interface is congested and, when the air interface is congested, defers a transfer of the deferrable data or transfers the deferrable, lower priority data as higher priority data. When, during a transfer of deferrable data, the system determines that the air interface is congested, the system may terminate the call and save a state of a partially completed deferred data transfer. Subsequent to the termination of the call, the system establishes another data connection over the air interface and transfers any remaining, not yet transferred deferrable data. In order to discourage subscribers from transferring higher priority data as lower priority data, the system may further restrict a transfer of lower priority data to designated time periods while allowing a transfer of higher priority data during the designated time periods and other time periods. | 11-27-2008 |
20080299986 | DEVICE AND METHOD FOR CONTROLLING OVERLOAD - An overload control device and a method thereof in a radio network controller are disclosed. One embodiment of the present invention includes i) a load measuring unit, measuring a load of a radio network controller every predetermined time, ii) an overload determining unit, determining whether an overload is generated by comparing the measured load with a predetermined critical value, iii) a parameter setting unit, setting a parameter of a call admission ratio according to an overload level if the overload is generated as the result of determining, the call admission ratio indicating a ratio of a maximum transmitting output as compared with an admitted transmitting output of a base station and iv) a call connection setting control unit, transmitting to the radio network controller a call connection setting signal to limit new call connection setting of a base station having a total transmitting output value which is larger than an admitted transmitting output value set by the parameter of the call admission ratio of the base station among all base stations pertained to the radio network controller. | 12-04-2008 |
20080318589 | Transmission Optimization in a Wireless Base Station System Based on Load-Sharing - A signal transmission method in a wireless base station system is provided, comprising: in the downlink direction, the wireless network control device transmits downlink data frames of the cell to the base station to which their channel processing relates for processing; the first base station receives corresponding downlink wireless signals from the base station which the channel processing of the cell's downlink data frames relates to; and the first base station transmits the downlink wireless signals for the cell; and in the uplink direction, the first base station receives uplink wireless signals of the cell; the first base station distributes a part or all of the uplink wireless signals to the base station to which their channel processing relates for processing; the wireless network control device receives corresponding uplink data frames from the base station which the channel processing of the uplink wireless signals relates to, wherein the base station which the channel processing of the downlink data frames relates to, or the base station which the channel processing of the uplink wireless signals relates to comprises at least the second base station. | 12-25-2008 |
20080318590 | Method and System For Controlling Admission in Mobile Communication Networks, Related Network and Computer Program Product Therefor - A method for controlling admission of calls to a mobile communication network having cells associated with at least one determined threshold level of operation suitable for managing cell shrinking phenomena. The method includes the operation of detecting call requests from a cell edge affected by such cell shrinking phenomena, variably exceeding the determined threshold level in uplink. A method for admitting calls to the mobile communication network in both uplink and downlink on the basis of the evaluation of the actual system load is also proposed. Preferred application is in UMTS mobile networks. | 12-25-2008 |
20090023455 | Independent Load Balancing for Servers - In one embodiment, a method includes receiving a request message at a local node in a communications network from a remote node in the communication network. The request message holds data that indicates a request for a particular service from the local node. A load metric that indicates a current processing load at the local node is determined. A response delay time, for responding to the request message, is determined based on the load metric. A response message is sent after the response delay time. The response message indicates the local node is able to provide the particular service for the remote node. The delay time allows the local node to make it more likely that a less busy node will respond earlier in time to a request message from the same remote node and provide the particular service. | 01-22-2009 |
20090088178 | LOAD CONTROL FOR WIRELESS BASE STATION - A method of controlling a load at a wireless communication base station includes determining an indication of a maximum path loss between the base station and any high speed data users currently in a cell served by the base station. A target loading limit for the cell is set based upon the determined indication of the maximum path loss. In disclosed examples, the indication of the maximum path loss corresponds to a distance between a high speed user and a base station. Another factor considered in disclosed examples includes the data rate of such a high speed user. | 04-02-2009 |
20090104916 | Method, apparatus and system for signalling of buffer status information - The present invention is directed to a method, apparatus, system and computer program product for receiving a prioritized bit rate for a radio bearer, and setting a header element based at least on a relation of a measured data rate for the radio bearer and the prioritized bit rate for the radio bearer. A medium access control header element may be set based on the relation between the measured data rate and the prioritized bit rate for the corresponding radio bearer. A network element can derive information on the buffer status of the corresponding bearer, and lower-priority prioritized bit rate bearers. The medium access control header element may be set based on the amount of buffered data for radio bearers not included in the current transport block. The network element can derive information on the buffer status of non-prioritized bit rate bearers of priority lower than the transmitted ones. | 04-23-2009 |
20090149190 | OPTIMAL LOAD-BASED WIRELESS SESSION CONTEXT TRANSFER - A subscriber access unit for transferring session context in wireless communication is disclosed. The access unit contains first context establishing circuitry for establishing a first wireless session context associated with a first wireless coverage area; locating circuitry for determining whether the subscriber access unit is located concurrently in the first wireless coverage area and a second wireless coverage area; loading factor receiving circuitry for receiving a first loading factor and a second loading factor indicative of a throughput load associated with the first and second coverage areas respectively; comparison circuitry for comparing the first loading factor with the second loading factor; and second context establishing circuitry for selectively establishing a second wireless session context continuous with the first wireless session context, the second context associated with the second wireless coverage area, based on output of the circuitry comparing the first and second loading factors. | 06-11-2009 |
20090163223 | LOAD BALANCING IN MOBILE ENVIRONMENT - In next generation wireless networks such as a Mobile WiMAX traffic prioritization is used to provide differentiated quality of service (QoS). Unnecessary ping-pong handovers that result from premature reaction to fluctuating radio resources pose a great threat to the QoS of delay sensitive connections such as VoIP which are sensitive to scanning and require heavy handover mechanisms. Traffic-class-specific variables are defined to tolerate unbalance in the radio system in order to avoid making the system slow to react to traffic variations and decreasing system wide resource utilization. By setting thresholds to trigger load balancing gradually in fluctuating environment the delay sensitive connections avoid unnecessary handovers and the delay tolerant connections have a chance to react to the load increase and get higher bandwidth from a less congested BS. A framework for the resolution of static user terminals in the overlapping area within adjacent cells will be described. | 06-25-2009 |
20090170524 | Method and system for performing service admission control - The invention concerns a method at a base station device for performing service admission control, the base station device comprising an interface to a cellular network, and an interface to connect to a broadband device, the base station device being adapted to provide service access to devices of the cellular network, the service being provided through the broadband network. | 07-02-2009 |
20090186627 | Method of assigning an idle state access terminal to a carrier in a multiple carrier wireless communication system based on load on control channel resources - In one embodiment, the method includes determining loads on control channel resources of at least two of the multiple carriers, and assigning the access terminal to one of the multiple carriers based on the determined loads. | 07-23-2009 |
20090221297 | Transmission Power Level Setting During Channel Assignment for Interference Balancing in a Cellular Wireless Communication System - The present invention relates to a method for balancing the distribution of interference between radio cells in a wireless communication system comprising cells in which subcarrier blocks are used for communication. A number of adjacent cells build a cell cluster. Moreover, the present invention relates to a corresponding method adapted for use in a system in which multi beam antennas or multiple antennas are used. Furthermore, the present invention relates to base stations performing the above method as well as a communication system comprising the base stations. To reduce the large average SIR variations without causing additional SIR estimation, measurement and calculation problem as introduced with power control the invention suggests to group subcarrier blocks into a plurality of subcarrier block sets in each cell of a cell cluster, to determine transmission power levels for each of the cells of said cell cluster, and to assign transmission power levels to the subcarrier block sets. | 09-03-2009 |
20090233618 | METHOD, SYSTEM AND DEVICE FOR INCREASING MULTIMEDIA MESSAGING SERVICE SYSTEM CAPACITY - A method for increasing multimedia messaging service system capacity is provided, it comprises: a message distributing device determining a first multimedia messaging service center (MMSC) node for receiving multimedia message, and forwarding the multimedia message to a relay of the first MMSC node, after it having received multimedia message; the multimedia message being transmitted to a server of the first MMSC node by the relay of the first MMSC node, and stored in the server of the first MMSC node; the server of the first MMSC node corresponding to the relay of the first MMSC relay uniquely; the server of the first MMSC node sending the multimedia message to the receipt party via the relay of the first MMSC node and the message distributing device. A system and a device for increasing multimedia messaging service system capacity are provided, too. It can increase the capacity of multimedia messaging service system handling multimedia message service with the invention. | 09-17-2009 |
20090270109 | ESTIMATING AND LIMITING INTER-CELL INTERFERENCE - A cellular radio communication system includes a first serving cell and a second non-serving cell. A mobile radio is currently served by a first base station in the first cell. An uplink radio transmission from the mobile radio will cause or causes inter-cell interference in the second non-serving cell. Accordingly, an estimate is made of the inter-cell interference in the second non-serving cell associated with the mobile radio's uplink transmission. If the estimated inter-cell interference in the second non-serving cell exceeds a predetermined threshold, then control is performed so that the inter-cell interference in the second non-serving cell is limited, e.g., by managing radio resources so that the estimated inter-cell interference in the second non-serving cell is or becomes less than the predetermined threshold. | 10-29-2009 |
20090275343 | SYSTEM AND METHOD FOR MANAGING COMMUNICATIONS IN CELLS WITHIN A CELLULAR COMMUNICATION SYSTEM - A system and method for managing communication in a cellular communication system are provided. The method includes measuring communication conditions within at least one communication cell of the communication system and estimating congestion within the at least one communication cell of the communication system based on the measured communication conditions. The method further includes adjusting communication links within the at least one communication cell based on the estimated congestion. | 11-05-2009 |
20090280823 | EFFICIENT PAGING MECHANISM WITH SCALABLE BANDWIDTH ALLOCATION - The invention relates to an improved paging procedure for mobile nodes in a mobile communication system. A UE in idle mode is paged by a network entity via a selectable frequency subband of the system bandwidth. For every resource block, comprising part of the paging message or a diversity repetition thereof, a respective frequency subband is selected based on various parameters. These parameters may include: load in the subbands, UE capability in the tracking area and/or importance of paging information within the resource block. Furthermore, additional parity bits may be transmitted instead of the diversity repetition of the paging message, wherein the resource blocks, comprising the additional parity bits, are also transmitted via selectable frequency subbands. Thereby, the delay for changing from the idle to the active state of a mobile node may be reduced by increasing reliability of paging message transmission and resources may be utilized more efficiently. | 11-12-2009 |
20090305717 | Method and System for Configuring a Communication Network, Related Network and Computer Program Product - An antenna site equipped with reconfigurable antennas in a communication network and having capacity to serve communication traffic in a respective area of competence is configured by partitioning the area the area of competence into a set of cells. The number of cells in the set is optimized by ensuring that the traffic is evenly distributed among the cells. This result is preferably achieved starting from a reference set of cells by locating: —i) areas of superposition between adjacent cells covered jointly by traffic capacity of adjacent cells in the reference set of cells, and—ii) uncovered areas between adjacent cells, that is, areas not covered by traffic capacity of any cells in the reference set of cells. The areas of superposition are removed and the traffic capacity thus made available is assigned to the uncovered areas. If any uncovered areas remain, the number of cells in the reference set of cells is increased and the process repeated. If no uncovered areas between adjacent cells are located, the possibility exists of decreasing the number of cells in the reference set of cells and the process is repeated to check whether the area of competence can be properly covered with a lower number of cells. | 12-10-2009 |
20090312031 | MANAGING EVENT GENERATED OVERLOAD OF A COMMUNICATION NETWORK - The present invention provides a system and method for managing localized, event-generated overload of a communication network. A first step ( | 12-17-2009 |
20090318160 | METHOD AND APPARATUS FOR BALANCING LOAD ACROSS ACCESS DEVICES IN A WIRELESS NETWORK - Apparatus and methods are provided for balancing a load across access devices in a wireless network. A method comprises receiving an association request at a first access device of a plurality of access devices, and determining, in response to the association request, if the first access device is the least-loaded access device among the plurality of access devices. The method further comprises granting the association request if the first access device is the least-loaded access device. If the first access device is not the least-loaded access device, the method may further comprise denying the association request. | 12-24-2009 |
20090318161 | LOAD MANAGEMENT FOR A MOBILITY MANAGEMENT ENTITY OF A CELLULAR COMUNICATION SYSTEM - A cellular communication system comprises a Mobile Management Entity, MME, | 12-24-2009 |
20090318162 | BOOSTING A SIGNAL-TO-INTERFERENCE RATIO OF A MOBILE STATION - In a cell of a cellular wireless communication system, the SIR of at least one user in a sector of the cell is altered by temporarily reducing transmissions on a forward link in at least one other sector of the cell or a sector in another cell in accordance with a pattern. | 12-24-2009 |
20100015989 | METHOD AND SYSTEM FOR IMPROVING QUALITY OF SERVICE OVER A FIXED NETWORK - Method and apparatus for changing the bit rate that is transmitted toward two intermediate nodes in order to control the load over a bearer that connects the two intermediate nodes. | 01-21-2010 |
20100022252 | METHOD OF AND DEVICE FOR AIR TIME MANAGEMENT IN MULTI-ACCESS CHANNEL NETWORKS - An air time management method and apparatus for multi-access channel networks is provided, suitable for use when terminal stations operate with adaptive modulation. A specific modulation (default modulation) is defined for each terminal station (in a planning phase. During operation, when bandwidth is to be allotted to an uplink or downlink communication, a base station checks whether the concerned terminal station is operating with a modulation more robust (e.g. less efficient) than the default modulation. In so, the base station allocates a time slot to the communication that has a duration sufficient for transmitting less than all of a particular set of data with the default modulation. If not, the base station allocates a time slot to the communication that has a duration sufficient for transmitting all of a particular set of data with the current modulation. | 01-28-2010 |
20100056172 | BASE STATION, MOBILE STATION AND TARGET CELL DETERMINATION METHOD - One feature of the present invention relates to a base station for operating multiple cells each having a predefined bandwidth, including: a load measurement unit configured to measure traffic status in each of the cells; a redirected cell determination unit configured to determine either a redirected cell or a cell layer as redirected cell information for redirecting a mobile station based on the traffic status, the redirected cell and the cell layer to which the mobile station is to be redirected; and a transmission unit configured to transmit the redirected cell information to the mobile station in a paging channel. | 03-04-2010 |
20100069084 | METHOD FOR REDUCING INTRA-CELL INTERFERENCE BETWEEN CELL PHONES PERFORMING RANDOM ACCESS - A method in a network node in control of a cell in a cellular telecommunication network for reducing intra-cell interference between user equipments (UE) residing in said cell and performing random access (RA). The method comprises the steps of arranging groups of preamble sequences where the sequences within each group are orthogonal to each other, assigning one such group to the cell, from which group the UEs performing RA randomly selects a preamble, and assigning one or more additional group(s) of preamble sequences to said cell if the RACH or traffic load exceeds a certain threshold. The invention further relates to a radio network node in a cellular telecommunication system, capable of carrying out said method. | 03-18-2010 |
20100105407 | WIRELESS TRANSMISSION POWER CONTROL METHOD AND SYSTEM - A wireless communication system includes a primary station which has a transmitter for transmitting wireless signals on a downlink, and a plurality of secondary stations each having a receiver for receiving signals on the downlink and a transmitter for transmitting on an uplink. In a normal, loaded condition a synchronization channel and a data channel are present on the downlink and closed power control is achieved by measuring the signal to interference ratio (SIR) in a received downlink transmission, comparing the measured SIR with a target SIR and sending a power adjust indication on the uplink to cause the primary station to adjust its transmitted power on the downlink. The secondary station monitors the downlink and, in response to detecting an unloaded cell condition, determines a target SIR offset which it applies to the target SIR to overcome interference from the presence of the synchronization channel on the downlink. | 04-29-2010 |
20100113060 | METHOD AND APPARATUS OF SPECTRUM UTILIZATION IN A WIRELESS CELLULAR ENVIRONMENT - The present invention discloses a method of spectrum utilization in a wireless cellular environment with coverage of at least two wireless networks and a related apparatus. The method includes: determining a RSRP threshold; detecting, by a small-cell base station, RSRPs of at least one large-cell base station; and comparing the highest one of the detected RSRPs with the determined RSRP threshold, adopting a separate spectrum mode if the highest one of the detected RSRPs exceeds the determined RSRP threshold, and otherwise, adopting a shared spectrum mode. According to the method and apparatus of the present invention, a separate spectrum mode is adopted when the small-cell base station is relatively close to the large-cell base station to decrease interferences between the small-cell base station and large-cell base station and to increase spectrum usage efficiency in the wireless cellular environment with coverage of at least two wireless networks, however, a shared spectrum mode is adopted when the small-cell base station is relatively far from to the large-cell base station to realize sharing spectrum and increase spectrum usage efficiency in the wireless cellular environment with coverage of at least two wireless networks. | 05-06-2010 |
20100124933 | DYNAMIC LOAD BALANCING IN A COMMUNICATION NETWORK - Methods and systems for providing a dynamic and real time load factor that can be shared with other network elements is disclosed. The load factor can be used in determining the relative load among a set of network elements and in distributing new sessions requests as well as existing session on the set of network elements. The load factor can also be used for determining to which network element a user equipment is handed off. The dynamic load factor can also be shared amongst network elements to determine how the load is balanced among the network elements, such as a mobility management entity (MME). | 05-20-2010 |
20100130223 | METHOD AND APPARATUS FOR SCHEDULING RESOURCES AND AVOIDING INTERFERENCE IN A MULTI-CELLULAR WIRELESS COMMUNICATION SYSTEM - Resources in a multi-cellular wireless communication system are scheduled. A beam pattern associated with at least one mobile terminal located within one of the cells is identified and assigned to a slot, providing at least one stream to said at least one mobile terminal. At least one other mobile terminal located within said cell having the same beam pattern associated therewith as that of said identified beam pattern to be served during said slot is scheduled. The assigned beam pattern in said cell is communicated to at least one interfering cell. | 05-27-2010 |
20100130224 | WIRELESS COMMUNICATION DEVICE, WIRELESS COMMUNICATION SYSTEM AND METHOD OF WIRELESS COMMUNICATION - A method in which communication quality of a base station is accumulated according to type of an application and when a communication terminal device switches a base station, an optimal base station for each application is selected is provided. A wireless communication device of the present invention is provided with priority notifying means storing priority information of communication conducted by the local device and notifying it to the other wireless communication devices so that the priority can be notified to the outside. A priority information collecting means collects the priority information notified by the other devices, and a priority information comparing means compares the priority information of the local device with the collected priority information. Wireless communication control means is provided so that as the result of comparison, if the priority of the other devices is higher than the priority of the local device, the wireless communication means is controlled. | 05-27-2010 |
20100136998 | ADAPTIVE SEMI-STATIC INTERFERENCE AVOIDANCE IN CELLULAR NETWORKS - Techniques for the reuse of airlink resources in a cellular network are disclosed. A base station controller may gather information about load levels at adjacent sectors of the cellular network. The base station controller may generate and distribute a reuse reference to base stations serving mobile devices in the adjacent sectors. Alternatively, the base station controller may provide the load level information to base stations serving the adjacent sectors and the base stations may determine a sector reuse pattern. The reuse reference or reuse pattern may be adapted to sector load conditions and may designate any combination of carriers, time slots, and power levels for data transmission in a sector. The base stations may schedule data transmission to mobile devices in their respective sectors according to the reuse reference or reuse pattern. The base stations may modify their resource usage in response to changes in sector load. | 06-03-2010 |
20100144365 | WIRELESS BASE STATION, LOAD DISTRIBUTION APPARATUS, CENTRALIZED CONTROL APPARATUS, WIRELESS COMMUNICATION SYSTEM, LOAD DISTRIBUTION METHOD AND LOAD DISTRIBUTION PROGRAM - The present invention aims at providing a wireless communication system capable of lowering the load of the overload channel in the overload state in consideration of the allocation states of radio channels of adjacent base stations adjacent to the wireless base station. The wireless communication system in accordance with the present invention includes a plurality of wireless base stations (AP) capable of allocating a plurality of radio channels to be used for wireless communication and a load distribution apparatus ( | 06-10-2010 |
20100151877 | SMART RADIO COMMUNICATION SYSTEM AND METHOD OF OPERATING THE SAME - Provided is a method of operating a smart radio communication system, the method including: collecting information associated with each of a plurality of radio access technologies (RATs) through an access to the plurality of RATs; receiving a type of a service, requested by a terminal, via a first RAT accessing the terminal among the plurality of RATs; selecting an optimal channel based on the collected information and the received type of the service; and transmitting a content corresponding to the service via the selected optimal channel. | 06-17-2010 |
20100173644 | Relay Station, Mobile Station, Wireless Communication System, And Load Distribution Method - A relay station includes a load measuring unit configured to measure a load of the relay station; a load calculating unit configured to calculate, based on the load of the relay station and based on a load of an upstream base station or an upstream relay station directly connected to the relay station, a load reflecting a load of an upstream station; and a reporting unit configured to report the calculated load as load information to a mobile station or a downstream relay station. | 07-08-2010 |
20100222071 | STAGGERED CHANNELIZATION CODE ALLOCATION FOR MULTI-CARRIER NETWORKS - In order to provide load balancing in a wireless network that includes a cell with two or more carriers, sequential service requests for radio resources are allocated to respective ones of the two or more carriers in a staggered manner (i.e., a round robin, or least recently used (LRU) approach). In an embodiment, the sequential requests are directed so as to allocate channelization codes of respective code trees associated with the two or more carriers substantially equally. The signal strength of a carrier may be checked prior to allocation. Trigger conditions may be checked prior to allocating the a request to a carrier using the LRU approach. The trigger conditions may include power utilization of a first carrier compared to a second carrier, channelization code tree offset between two or more code trees respectively associated with the two or more carriers, and/or average bit rate per subscriber load of the carriers. | 09-02-2010 |
20100234042 | METHOD AND SYSTEM FOR LOAD-BALANCING ACROSS MULTIPLE ACCESS NETWORKS - An approach is provided for interworking between radio access networks that utilize different radio access technologies. Loading information of a plurality of radio access networks that are accessible by a terminal is determined. A list of candidates from the radio access networks are output based on the loading information for use by the terminal. | 09-16-2010 |
20100248738 | LOAD BALANCING IN WIRELESS NETWORKS - A load balancing system for a wireless network comprises: a base station parameter extraction unit able to extract base station availability parameters of currently available base stations; and a base station quality of service selector associated with said base station parameter extraction unit configured to determine from said parameters which of said available base stations is able to provide a currently required quality of service. The system requests resources from one such base station, thereby to ensure that mobile stations are distributed in a balanced manner between the available base stations. As well as quality of service, interference with other links may be taken into account, and uplinks and downlinks may be considered separately. | 09-30-2010 |
20100248739 | Dynamic Frequency Band Allocation between Radio Communication Networks - The present invention relates to cellular communications and in particular to a frequency spectrum shared by two cellular networks. The object is flexible utilization of the spectrum. This is achieved by a method wherein a first of the networks occupies part of the shared spectrum in relation to the traffic load in the first network. The first network informs a second of the networks on the extent the shared spectrum is occupied, for the second network to be free to use the shared spectrum outside the occupied part. The invention also relates to a RRM unit arranged for carrying out the inventions, to a BSC and to a radio base station adapted for carrying out the method. One advantage is that spectrum can be lent from an old system when a new system is introduced. | 09-30-2010 |
20100273503 | METHOD AND APPARATUS FOR FORWARD LINK RATE SCHEDULING - In a communication system capable of variable rate transmission, scheduling of high speed data transmission improves utilization of the forward link and decreases the transmission delay in data communication. Each remote station is assigned one primary code channel for the duration of the communication with a cell. Secondary code channels of various types and transmission capabilities can be assigned by a channel scheduler for scheduled transmission of data traffic at high rates. Secondary code channels are assigned in accordance with a set of system goals, a list of parameters, and collected information on the status of the communication network. Secondary code channels can be grouped into sets of secondary code channels. Data is partitioned in data frames and transmitted over the primary and secondary code channels which have been assigned to the scheduled user. | 10-28-2010 |
20100279704 | METHOD FOR CONTROLLING ACCESS TO A MOBILE COMMUNICATIONS NETWORK - A method for redirecting communication requests made by user equipment ( | 11-04-2010 |
20110009126 | APPARATUSES, SYSTEMS, AND METHODS FOR PRIORITIZED LOAD BALANCING - A mobile communication device for prioritized load balancing is provided. In the mobile communication device, a wireless module receives data communication services and a broadcast message from a first service network. Also, a controller determines whether the broadcast message has load balancing information for the first service network and a second service network, and in response to the broadcast message having the load balancing information, generates a random number and determines whether the random number belongs to a restricted priority level according to the load balancing information. The controller further suspends a reselection from the first service network to the second service network, in response to the random number belonging to the restricted priority level. | 01-13-2011 |
20110077020 | METHOD AND APPARATUS FOR CONTROLLING THE TOTAL OVERHEAD USED TO TRANSMIT CHANNEL STATE INFORMATION IN A WIRELESS NETWORK - An amount of total overhead allocated by a wireless system for transmitting channel state information by a plurality of mobile stations serviced by the wireless system can be controlled by allocating a reporting interval, reporting size and subset of subcarriers to each of the mobile stations for use by the mobile stations in reporting channel state information on the subcarriers included in the subset allocated to the respective mobile stations. At least one of the reporting interval, reporting size and subset of subcarriers allocated to one or more of the mobile stations is modified as a function of the number of mobile stations reporting channel state information so that the total overhead allocated for transmitting the channel state information on all of the subcarriers remains generally constant regardless of the number of mobile stations reporting channel state information. | 03-31-2011 |
20110105139 | METHOD AND APPARATUS FOR SELF ORGANIZED NETWORK - A self-organizing wireless network (SON) includes a plurality of base stations. Each base station includes a SON component for coordinating radio resource allocation with other base stations and a radio resource management component for accepting an allocation from the SON component and managing usage of that allocation for end user equipment associated with its base station. The base stations provide access to a plurality of end user equipment. The SON may include a server for communicating with the SON component for coordinating of radio resource allocation. The self-organizing wireless network may include a central control for communicating with the SON component for coordinating of radio resource allocation. Coordinating of radio resources relates to physical channels, transmit power, spatial resource allocation, admission control, load balancing, coordinating network elements in groups and includes adapting to addition of and reduction of network elements in a group in real time. | 05-05-2011 |
20110105140 | APPARATUS AND METHOD FOR CONNECTION SETUP OF COMPONENT CARRIER IN MOBILE COMMUNICATION SYSTEM OF CARRIER AGGREGATION ENVIRONMENT - Provided is an apparatus and method for setting up a connection of a component carrier (CC) in a mobile communication system of a carrier aggregation (CA) environment. In the mobile communication system operating the CA environment, it is possible to change a CC in an initial connection while maintaining a connection state. When a radio link failure and the like occurs, it is possible to quickly change a disconnected CC using a connected component carrier. | 05-05-2011 |
20110105141 | PAGING METHOD AND APPARATUS CONSIDERING CARRIER AGGREGATION ENVIRONMENT IN MOBILE COMMUNICATION SYSTEM - Provided is a paging method and apparatus considering a carrier aggregation (CA) environment in a mobile communication system. A paging method of a user equipment may include: selecting a component carrier (CC) set of the user equipment by selecting a CC for each component carrier element (CCE); receiving, from an evolved Node-B (eNB), a paging message containing a CC set; setting up a connection with the eNB through the CC set of the user equipment when the received CC set is the same as the CC set of the user equipment, or when all the CCs are included in the received CC set; and changing the CC set of the user equipment to the received CC set and setting up the connection with the eNB through the changed CC set when the received CC set is different from the CC set of the user equipment. | 05-05-2011 |
20110130149 | Load balancing techniques in wireless networks - Techniques are described that provide load balancing in wireless networks. For instance, a device (e.g., a first access point) may receive one or more current operational characteristics for each of one or more neighbor APs. Also, the first AP may determine a received signal strength for each of these neighbor AP(s). In turn, the first AP selects one or more reportable neighbor APs from these neighbor APs. Further, the first AP transmits a beacon. This beacon includes, for each reportable neighbor AP, the corresponding one or more current operational characteristics and the corresponding received signal strength. | 06-02-2011 |
20110130150 | METHODS AND APPARATUS FOR SERVICE-AWARE ENERGY SAVING AND LOAD BALANCING OPERATIONS - In accordance with an example embodiment of the present invention, a method comprises establishing a plurality of mode priorities one for each of a plurality of technology modes supported by a user equipment (UE) and selecting a target technology mode that meets at least one current user service requirement of the user equipment and maximizes a power saving based at least in part on a mode priority associated with the target technology mode. The method also includes causing the user equipment to camp on the selected target technology mode and balancing a resource allocation based in part on the selected target technology mode. | 06-02-2011 |
20110256880 | Cellular network load balancing - A method and system are disclosed for operation of a cellular network comprising a first base station, a second base station and a mobile station being served by the first base station. Load information is received from the second base station at the mobile station, the load information indicating a load placed on the resources of the second base station and a load indication based on the received load information is communicated from the mobile station to the first base station. The first base station may be a macrocell base station and the second base station may be a non-planned or femtocell base station. | 10-20-2011 |
20120003987 | Method And Apparatus For Optimizing Network Throughput - A method is provided a wireless system for optimizing network throughput in a wireless communication system. More particularly, the methodology of the invention evaluates the both individual user data throughput as well as the data throughput of a larger user population, in determining the base station to which a user should attach when entering the wireless system. In an alternate embodiment, the invention methodology evaluates such individual user data throughput and the user population throughput in determining whether or not to handoff a data session for a user from one base station to the other. | 01-05-2012 |
20120028648 | LOAD BALANCING IN WIRELESS NETWORKS - A load balancing system for a wireless network comprises: a base station parameter extraction unit able to extract base station availability parameters of currently available base stations; and a base station quality of service selector associated with said base station parameter extraction unit configured to determine from said parameters which of said available base stations is able to provide a currently required quality of service. The system requests resources from one such base station, thereby to ensure that mobile stations are distributed in a balanced manner between the available base stations. As well as quality of service, interference with other links may be taken into account, and uplinks and downlinks may be considered separately. | 02-02-2012 |
20120040684 | Load Sharing Method, Device, and System - A load sharing method, device, and system are provided in the disclosure. The method includes obtaining a current load value. If the current load value exceeds a preset load threshold value, a sharing base station is selected. Information of a shared load that needs to be shared is transmitted to the selected sharing base station. | 02-16-2012 |
20120129542 | DEVICE AND METHOD FOR CONTROLLING OVERLOAD - An overload control device is disclosed. In one embodiment, the device includes a load measuring unit configured to measure the load of a radio network controller, wherein the network controller is in data communication with a plurality of base stations and an overload determining unit configured to determine whether an overload has occurred in the network controller based, at least in part, on the comparison of the measured load and a predetermined load. The device may further include a call connection controller configured to limit a new call connection setting of at least one base station which has a total transmission output greater than an allowed transmission output. The total transmission output indicates a power output of the base station for transmitting at least one call during a predetermined period. The allowed transmission output may vary according to the determined overload. | 05-24-2012 |
20120165034 | DOWNLINK CONTROL FOR WIRELESS HETEROGENEOUS TELECOMMUNICATIONS - A heterogeneous radio access network ( | 06-28-2012 |
20120214502 | OFFLINE DEVICE PAGING - The network resources allocated to Machine Type Communication (MTD) devices (also referred to as Machine-to-Machine (M2M) Devices) can be reduced through the introduction of a new device state in a network. The network device state, referred to as a sleep state, allows the network to offload context information about the device to another network element so that the resources allocated to the sleeping device can be released. When the device needs to be contacted by a network element, the stored context information can be retrieved to facilitate paging the otherwise offline device. | 08-23-2012 |
20130035107 | SYSTEM AND METHOD FOR ADAPTIVE TRAFFIC PRIORITIZATION AND BANDWIDTH ALLOCATION ON MOBILE DATA NETWORKS - A method is provided for adaptively acquiring bandwidth on a mobile device given traffic prioritization and bandwidth allocation rules of an infrastructure service provider. The device submits to the service provider a first bandwidth query, which includes a first content type and a first bandwidth requirement estimate. The device retrieves from the service provider information as to its traffic prioritization and bandwidth allocation rules and limitations relevant to the first query. This information is made available to the application on the device that needs the bandwidth. The application responds, and the device then sends a second bandwidth query to the service provider which includes a (possibly modified) bandwidth request. Provided this request is valid, bandwidth is obtained for the application on the device according to the request. In a variation, speed test data is used in lieu of or in addition to information from the service provider. | 02-07-2013 |
20130165135 | COMMUNICATIONS SYSTEM - A method performed by a EUTRAN base station, the method including generating a request for resource status information. The request defines a periodicity when update messages including said resource status information should be sent. The method further including sending the generated request to a neighboring EUTRAN base station, receiving one or more resource status update messages from the neighboring base station in response to the requested resource status information in accordance with said defined periodicity, and performing load balancing operations in dependence upon the received one or more resource status update messages. | 06-27-2013 |
20130183996 | METHODS OF ANALYSING A CELLULAR NETWORK - A method of managing a load within a cellular network. The method includes obtaining network usage records from the cellular network; extracting cell information from the network usage records; establishing terminal carrier routes for cellular terminals that have changed location as determined from the extracted cell information; deriving terminal carrier profile attributes for the cellular terminals that have changed location, based on the established terminal carrier routes; determining a load on a resource of the cellular network, based on the established terminal carrier routes and the derived terminal carrier profile attributes; and controlling resources of the cellular network in response to the determined load, so as to manage the load within the cellular network. By combining established terminal carrier routes with derived terminal carrier profile attributes, it is possible to anticipate areas where cellular terminal carriers are likely to be concentrated at specific times during the day and allocate resources accordingly. | 07-18-2013 |
20130196679 | Common Control Channel Access - A Mobile Station, MS ( | 08-01-2013 |
20130210447 | SPECTRUM SHARING IN MULTI-RAT RADIO BASE STATIONS - Embodiments herein disclose a method in a radio base station ( | 08-15-2013 |
20130217407 | METHOD FOR DECIDING ON A POTENTIAL LOAD BALANCING OPERATION IN A WIRELESS NETWORK AND NETWORK ELEMENT FOR A WIRELESS NETWORK - The present invention refers to a method ( | 08-22-2013 |
20130225195 | METHODS AND APPARATUS FOR SELECTING FEMTOCELL ACCESS MODES AND OPERATIONAL PARAMETERS BASED ON THE PRESENCE OF NEARBY MACROCELLS - Methods and apparatus are disclosed for configuring an access mode of a femtocell. The method includes determining whether a target channel is being used by a macrocell. The method includes, in response to the target channel being used by the macrocell, configuring the access mode to a closed access mode. The method includes in response to the target channel not being used by the macrocell, configuring the access mode to an open or hybrid access mode. | 08-29-2013 |
20130273932 | Systems and Methods For Selecting a Network Access System - A system according to some embodiments of the invention includes (1) a component (e.g. ANDSF) that provides a cell selection rule to a UE and (2) a component (e.g. an access node) that provides the UE with information about the load in the cell currently utilized by the UE. This enables the UE to determine whether to leave the cell, which may be a 3GPP cell, and use a different cell, which may be a non-3GPP cell, by applying the cell selection rule in conjunction with its knowledge about the load of the cell. | 10-17-2013 |
20130288700 | Load Balancing of Data - A method and arrangement for controlling a balance between Packet Switched (PS) data, and Circuit Switched (CS) data in a cellular communication network. A network node is arranged in a cellular communication network to control communication of PS data between a first UE and a base station, and to control communication of CS data between a second UE and the base station. Both the first UE, the second UE and the base station are associated to the cellular communication network and are located in the cell. The network node comprises a controller | 10-31-2013 |
20130303182 | CALL ADMISSION CONTROL - The disclosure is related to a method of adaptive call admission control in a base station. When a call access request is received from a user equipment determination may be made as to whether an available call admission capacity of the base station reaches a first limit. When the available call admission capacity of the base station reaches the first limit determination may be made as to whether the received call access request is for a preferred call. Then, determination may be made as to whether a reserved call admission capacity reaches a second limit when the received call access request is for the preferred call. When the reserved call admission capacity has not reached a second limit, access of the user equipment associated with the received call access request may be allowed. | 11-14-2013 |
20130316722 | Resource Managing Method, Resource Management Device and Apparatus for Supporting Operation of a Radio Communication Network - The present invention relates to a method to be carried out by a network support apparatus for managing resources of the apparatus, a method for managing resources of a network node, an apparatus for supporting the operation of a network and a resource management device, which particularly enable the determination of load at the apparatus or network node to allow more resource efficient scheduling of PM functions. The method carried out by the network support apparatus for managing resources comprises determining a load at the network support apparatus based on the number of events generated by recordings activated by at least one performance management function in a time period; comparing the determined load with a threshold load smaller than or equal to the maximum load supported by the network support apparatus; and performing a resource management procedure according to the result of the comparing step. | 11-28-2013 |
20140073343 | CENTRALIZED MANAGEMENT FOR PILOT POLLUTION MITIGATION IN SMALL CELL NETWORKS - A small cell (e.g., femtocell) in a wireless communication may determine a set of wireless signal measurements for a plurality of small cells causing pilot cell pollution within a coverage area. The small cell may determine an adjustment of a transmission parameter of the small cells for reducing the pilot cell pollution, and transmit the adjustment to the small cells. The adjustment may include, for example, minimizing an area of overlap between at least two small cells having signal power difference below a threshold, maximizing a signal to interference and noise ratio at a location associated with at least two small cells, minimizing an area associated with at least two pilot signals within a threshold signal level, distributing traffic load to at least two of the small cells based on the set of measurements, or by minimizing the number of small cells covering a path. | 03-13-2014 |
20140073344 | APPARATUS AND METHOD FOR SWITCHING A WIRELESS COMMUNICATION SCHEME - In a wireless communication system, a mobile station performs communication by means of first and second wireless communication schemes, and a base station communicates with the mobile station. The base station estimates communication loads of the first and second wireless communication schemes on the basis of a number of times communication is performed by an automatic call from the mobile station and a maximum number of times communication is able to be performed by the automatic call. The base station notifies the mobile station of one of the first and second wireless communication schemes having the low communication load estimated, and the mobile station uses the one of the first and second wireless communication schemes notified by the base station in a standby state caused by the automatic call. | 03-13-2014 |
20140094185 | SELECTIVE JOINDER OF USER EQUIPMENT WITH WIRELESS CELL - Embodiments are described herein for selective joinder, by a user equipment (“UE”), to a wireless cell of a plurality of wireless cells. In various embodiments, this may include transitioning, by the UE, from an idle mode to a connected mode, and contemporaneously with the transition of the UE from the idle mode to the connected mode, measuring, by the UE, signals of a first plurality of cells. In various embodiments, the UE may identify, from within the first plurality of cells, a second plurality of cells having measured signals that satisfy a channel condition criterion and frequency priorities that satisfy a priority criterion. In various embodiments, the UE may be configured to select and join a cell of the second plurality of cells, randomly or based on respective loads of the second plurality of cells. | 04-03-2014 |
20140094186 | POWER CONSUMPTION MANAGEMENT IN A RADIO ACCESS NETWORK - A method for managing power consumption of a radio access network. The method includes: defining a cluster including at least two radio resource units of the radio access network; defining a parameter indicative of a performance of the cluster and of a power consumption of the cluster, the parameter being expressed as a function of traffic throughputs carried by the radio resource units of the cluster; calculating optimum traffic throughputs as values of the traffic throughputs carried by the radio resource units of the cluster which optimize the parameter; and distributing traffic amongst the radio resource units of the cluster such that the radio resource units of the cluster carry the calculated optimum traffic throughputs. | 04-03-2014 |
20140099969 | DEDICATED BARRING AND ESCAPE COMMAND - In accordance with an example embodiment of the present invention, a method includes receiving a connection request in uplink signaling from a user equipment, the user equipment being located in a cell; making a determination whether the user equipment can be connected and, if it is determined that the user equipment cannot be connected, informing the user equipment by downlink signaling, as a response to the connection request, that the user equipment cannot be connected. The downlink signaling includes information that indicates that the user equipment should de-prioritize a current carrier frequency or current radio access technology, and can further include a timer value to indicate a period of time for which the current carrier frequency or current radio access technology is to be de-prioritized. The method can be executed by an evolved NodeB (eNB) of an evolved universal terrestrial radio access network (E-UTRAN). | 04-10-2014 |
20140120938 | ENHANCED EXTENDED ACCESS CLASS BARRING - A method is implemented in a mobile device for managing access to resources of a cellular communication system. The cellular communication system includes a plurality of base stations providing wireless access to the resources of the cellular communication system. The mobile device implements an enhanced extended access class barring (EEAB) process to minimize overloading of the resources of the cellular communication system. | 05-01-2014 |
20140120939 | METHOD AND SYSTEM FOR FACILITATING PREEMPTIVE BASED RADIO CHANNEL ACCESS CONTROL - Preemptive based radio access control is facilitated. Queue data is received, wherein the queue data corresponds to a set of requests for highly prioritized communications included on a prioritized queue. The queue data is used to determine whether a set of conditions for involuntarily terminating a radio communication session has been met. Session data corresponding to characteristics for each of a plurality of radio communication sessions are also received and utilized to determine which of the plurality of radio communication sessions to terminate if the set of conditions for involuntarily terminating a radio communication session have been met. | 05-01-2014 |
20140135030 | LOAD COMPENSATION METHOD, MEASURING METHOD FOR LOAD ESTIMATION, BASE STATION AND USER EQUIPMENT - Embodiments of the present invention provide a load compensation method, a measuring method for load estimation, a base station and user equipment. The load compensation method includes: obtaining, by a base station of compensation cell, an estimated value of a resource needed by user equipment of energy-saving cell in the compensation cell according to signal quality of the compensation cell measured by the user equipment of the energy-saving cell; determining whether to compensate for the energy-saving cell according to the estimated value of the resource needed by user equipment of the energy-saving cell in the compensation cell; and increasing power of related resources to compensate for the energy-saving cell after it is determined to compensate for the energy-saving cell. With the embodiments of the present invention, the resources of the compensation cell occupied by the user equipment of the energy-saving cell may be reflected, thereby improving accuracy of load compensation. | 05-15-2014 |
20140135031 | CELL LOAD BALANCING METHOD AND DEVICES THEREOF - A cell load balancing method, a cell load measuring method, and devices thereof are provided. The cell load balancing method includes: acquiring information of the load of a current cell and information of the load an adjacent cell; determining a target cell in which a mobility parameter needs to be modified thereof according to the information of the load of the current cell and the information of the load of the adjacent cell; sending a parameter modification request to the determined target cell; and modifying parameters of the current cell according to content of the parameter modification request if the parameter modification response message is a parameter modification response indicating modification successful. With the above solution, a load balancing solution can be better implemented in a network, thereby improving a capacity of the network, improving a success rate of user access, and reducing access delay. | 05-15-2014 |
20140155080 | RESOURCE MANAGEMENT IN A WIRELESS COMMUNICATIONS NETWORK - Detection of an unbalanced network load and redistribution of network traffic to balance the network load is provided herein. Load balancing across different radios in the same sector of a cell site can be facilitated through detection of the unbalance network load and changes to one or more parameters can be made to rebalance the network load. After radios within a sector are more evenly balanced, network load balancing across sectors can be facilitated. The balancing can be performed to improve system performance, reduce a dropped call rate, as well as to achieve other benefits that can provide an improved user experience as compared to systems that do not attempt to balance the network load. | 06-05-2014 |
20140155081 | METHOD FOR MANAGING LOAD BALANCE IN A CELLULAR HETEROGENEOUS NETWORK - A method is provided for managing load balance in cellular heterogeneous networks. The method comprises: providing a plurality of spectrum carriers for conveying communication signals to/from a macro cell. At least one of the carriers is a shared carrier for conveying communication signals to/from the macro cell and to/from at least one small cell located at the geographical vicinity of the macro cell, and wherein the shared carrier is characterized in that data is the only type of communication signals being conveyed thereat when the cellular network is under congestion. One or more other spectrum carriers are dedicated carriers adapted to essentially convey voice calls, and wherein user terminals are steered away from dedicated carriers to the shared carrier, so that when a data session is initiated for a user terminal camped on the shared carrier, that session will be conveyed one or more of the small cells. | 06-05-2014 |
20140162680 | Providing Multiple Interfaces for Traffic - A system may be configured to receive data. The system may be associated with a plurality of network interfaces that each correspond to a different radio access technology associated with one or more cellular networks. The system may identify one or more measures of load associated with each of the plurality of network interfaces; and output, based on the identified measures of load, a different portion of the received data to each network interface, of the group of network interfaces. | 06-12-2014 |
20140213277 | INTER-RAT SYSTEMS ACCESS NETWORK (AN) LOAD BALANCE AND CONGESTION CONTROL MECHANISM - A system and method to perform load-balancing and congestion control between a primary Radio Access Technology (RAT) and a secondary RAT. A broadcast message is sent to all User Equipments (UEs) operating under the secondary RAT. If the primary RAT is congested, a congestion indicator in the broadcast message prevents the UEs from idle re-selecting or switching to the primary RAT. Even if the primary RAT is not congested, the broadcast message may still include other parameters such as one or more probability values, a group identifier for the UE groups, and a retention timer. The idle UEs in the secondary RAT that generate device-specific random values that are equal to or greater than the applicable probability threshold value(s) are allowed to reselect the primary RAT. If an idle UE fails this probability test, it may not be allowed to reselect the primary RAT again until the retention timer expires. | 07-31-2014 |
20140213278 | Traffic Offload Method, Traffic Offload Function Entity and Traffic Offload System - Embodiments of the present invention provide a traffic offload method, a core network device, and a traffic offload system. The method includes: sending, user information that is of a user equipment within coverage of a first traffic offload function entity to the first traffic offload function entity; sending a traffic offload policy to the first traffic offload function entity, so that the first traffic offload function entity matches the user information with the traffic offload policy and offloads traffic corresponding to the user equipment according to the user information that successfully matches the traffic offload policy. | 07-31-2014 |
20140220998 | Methods and Apparatus for Determining Improved Mobile Network Key Performance Indicators - A method of determining one or more Key Performance Indicators, KPIs, indicative of the performance of a communications network and calculated as an aggregation of performance measurement values in the communications network. The method comprises receiving a set of performance measurement samples each of which comprises a performance measurement value and an identity of an associated source, and performing a statistical analysis of the set of performance measurement samples in order to identify any source that contributes performance measurement samples that would result in a distorting effect on a KPI. This allows performance measurement samples associated with the identified sources to be separated from other samples to obtain an undistorted performance measurement sample set. The undistorted performance measurement sample set is used as a basis for calculating the one or each KPI. | 08-07-2014 |
20140235262 | METHOD AND APPARATUS FOR CONTROLLING SYSTEM OVERLOAD IN A WIRELESS COMMUNICATION SYSTEM - The present invention relates to a method for controlling system overload in a wireless communication system. The method comprises: a first step in which a mobility management entity (MME) that has received a tracking region update request message from a first terminal transmits a location update request message to a home subscriber server (HSS); a second step in which, if the HSS has determined that a system overload has occurred, the HSS sets MME-backoff time for preventing the transmission of a request message to the HSS, and transmits a location update rejection message including said MME-backoff time to the MME; and a third step in which the MME drives a backoff timer corresponding to said MME-backoff time and rejects a TAU update request message from a terminal received prior to the completion of the driving of the backoff timer. | 08-21-2014 |
20140243007 | NETWORK CAPACITY REDISTRIBUTION WITH FREQUENCY RE-USE - Redistribution of network capacity in a network having a plurality of base stations is contemplated. The redistribution may include reallocating or otherwise reusing primary channels assigned to the plurality base stations to increase capacity proximate one or more of the base stations. The network capacity may be increased in this manner without having to add new base stations. | 08-28-2014 |
20140243008 | LOAD BALANCING FOR CHARGING SYSTEM CLUSTERS - A method for load balancing for charging system clusters includes, with a load balancing system, receiving a request from a mobile device, maintaining load data related to current loads for a plurality of charging system clusters communicatively coupled to the load balancing system, and forwarding the request to one of the plurality of charging system clusters based on the load data. | 08-28-2014 |
20140248897 | Communication in a Cellular Network Taking Into Account Backhaul Loading - The invention deals with a method of communication in cellular networks comprising mobile user equipments ( | 09-04-2014 |
20140274101 | METHODS AND SYSTEMS FOR LOAD BALANCING AND INTERFERENCE COORDINATION IN NETWORKS - At least one example embodiment discloses a method of balancing load and coordinating interference across a plurality of macro cells and small cells in a cellular network including the plurality of macro cells and small cells. The method includes determining serving cells of users, respectively, based on a Frank-Wolfe algorithm. | 09-18-2014 |
20140274102 | Method and a Network Node for Determining an Indication of Interference Mitigation - A method and a network node ( | 09-18-2014 |
20140364137 | Overloaded Communication Session - A method of providing information responsive to a request from a wireless communication device involves receiving an information request from a mobile device and generating responsive information for the information request, transmitting a first portion of the responsive information to the mobile device in a first communication session, and transmitting a second portion of the responsive information to the mobile device in a second, overloaded communication session. | 12-11-2014 |
20150011232 | METHOD AND APPARATUS FOR LOAD BALANCING IN CELLULAR COMMUNICATION SYSTEMS - The present invention generally relates to cellular communication systems. More specifically, the present invention relates to load balancing in cellular communication systems. A method for load balancing in a cellular communication system comprise: receiving forward link load conditions in an area covered by a first sector and at least one second sector adjacent to the first sector, wherein the first and the second sectors belong to different cells; if it is determined that a distribution of the forward link load conditions deviates from a predetermined equilibrium, adjusting coverages of the first and the second sectors to make the distribution move toward the predetermined equilibrium. | 01-08-2015 |
20150045052 | Method of Radio Bearer Establishment in Dual Connectivity - A method of radio bearer establishment in dual connectivity, for a first network node in a wireless communication system is disclosed. The method comprises connecting to a communication device of the wireless communication system, determines whether to establish or release at least a radio bearer for the communication device on at least a second network node, and transmitting a request message including information of the at least a radio bearers to be established or released on the at least a second network node, to the at least a second network node. | 02-12-2015 |
20150050942 | DISTRIBUTED POLICY ARCHITECTURE - A mobile device may select between multiple networks in order to offload network traffic from one network to another. Policies under which network selection happens are established by network operators. A hierarchy of policy servers are established where a central policy server with policies established by a network operator can delegate authority for network switching to a local policy server with policies established by the same or a different network operator. The central policy server can establish criteria under which network switching or network selection is delegated to a local server. Policies from the local policy server can include information about local network conditions. A mobile device can use the policies from the central server and local server to select a network. | 02-19-2015 |
20150072701 | WIRELESS SYSTEM CONTROL DEVICE AND CONTROL METHOD - A control unit ( | 03-12-2015 |
20150080009 | DATA RATE THROTTLING - The throttling of mobile device data rates is provided at events, e.g., sporting events, and other venues with large, dense crowds. The system can monitor the loading of the mobile radio antennas at the venue, and when the loading reaches a threshold loading point, the system can selectively throttle the data rates of mobile devices at the venue. In some embodiments, the system can throttle the data rates of certain applications on the mobile devices, or can select mobile devices that are placing a large strain on the network infrastructure to throttle. In other embodiments, the system can set maximum upload and download speeds for all the mobile devices at the venue. | 03-19-2015 |
20150087325 | SYSTEM AND METHOD FOR OPTIMIZING PERFORMANCE OF A COMMUNICATION NETWORK - A communication apparatus and method are provided for predicting effects of changes in at least one radio network parameter on a cellular network which comprises a processor which is adapted to: (a) select a source cell in a cellular network; (b) select from among a first plurality of cells being neighbors of that source cell, a second plurality of neighboring cells and define a reference cluster that includes the source cell and the second plurality of cells; and (c) use the reference cluster to predict the effects of carrying out one or more changes in at least one radio network parameter on at least one network performance indicator of the reference cluster, and based on that prediction, establishing an expected impact of the one or more changes in the at least one radio network parameter on a cellular network performance. | 03-26-2015 |
20150087326 | CALL ADMISSION CONTROL - The disclosure is related to a method of adaptive call admission control in a base station. When a call access request is received from a user equipment determination may be made as to whether an available call admission capacity of the base station reaches a first limit. When the available call admission capacity of the base station reaches the first limit determination may be made as to whether the received call access request is for a preferred call. Then, determination may be made as to whether a reserved call admission capacity reaches a second limit when the received call access request is for the preferred call. When the reserved call admission capacity has not reached a second limit, access of the user equipment associated with the received call access request may be allowed. | 03-26-2015 |
20150094079 | LOAD BALANCING - A method of balancing user equipment traffic load between at least two cells supported by a base station in a wireless telecommunication network, a computer program product and network access node operable to perform that method. The method comprising: determining that an operational parameter of at least one of the at least two cells meets criteria indicative of an overload of user equipment traffic; transmitting a link parameter which indicates that establishment of a dedicated communication link with the base station within the at least one cell is unavailable to user equipment operating within the at least one cell without an established dedicated communication link. Aspects allow for early balancing of load within an overloaded network. | 04-02-2015 |
20150099529 | FACILITATION OF IDLE MODE TRAFFIC LOAD BALANCING - A potential traffic load imbalance condition associated with sector carriers is detected. The traffic loading for the sector carriers is balanced based, at least, on causing one or more idle mobile devices to select a new sector carrier by adjusting one or more idle mode parameters. Detecting the potential traffic load imbalance condition includes: identifying an overloaded sector carrier; identifying an set of overlaid sector carriers, wherein the set of overlaid sector carriers includes one or more sector carriers in an area surrounding the overloaded sector carrier; and determining a number of idle mobile devices and corresponding signal strengths of mobile devices camping on sector carriers of the set of overlaid sector carriers. Balancing the traffic loading includes: determining the number of mobile devices to shift from the overloaded sector carrier, and initiating the shift by adjusting idle mode parameters. | 04-09-2015 |
20150111594 | NETWORK BASED SPEED DEPENDENT LOAD BALANCING - A mobile device mobility state is included in device reporting to a radio access network for mobility event and load balancing purposes. Respective load conditions and respective coverage areas of a first set of devices of a first network and a second set of devices of a second network are analyzed. In addition, a mobility state of a mobile device, a first signal strength associated with the first set of devices, and a second signal strength associated with the second set of devices are also analyzed. The mobility state is a function of a movement pattern of the mobile device and a speed at which the mobile device is being moved. Network traffic of the mobile device is routed to a set of network devices selected from the first set of devices and the second set of devices, as a result of the analysis. | 04-23-2015 |
20150304887 | COMMUNICATION CONTROL SYSTEM, SERVICE MANAGEMENT SERVER, MOBILE STATION, COMMUNICATION CONTROL METHOD, AND NON-TRANSITORY COMPUTER READABLE MEDIUM - An object is to provide a communication control system, a service management server, a mobile station, a communication control method, and a program, with which the processing load of a network apparatus can be reduced in the case where a great number of communication apparatuses are concentrated. A communication control system of the present invention includes a mobile station concentration prediction unit ( | 10-22-2015 |
20150365889 | System and Method Employing Resource Sharing to Reduce Power Consumption by a Network Node - According to some embodiments, a method for reducing power consumption in a network node includes determining that physical resource block utilization by a first radio unit is less than a predefined threshold and at least one condition is present indicating the feasibility of the second radio unit for handling service to the first sector and the second sector. The second radio unit is reconfigured to provide service to the first sector. | 12-17-2015 |
20160037384 | NON-BLOCKING UPLINK ARCHITECTURE FOR ACCESS POINTS - The present disclosure discloses a method and a non-blocking uplink architecture for access points augmented by client association based load balancing. Specifically, an access point (AP) can receive a first data set using a particular radio of a plurality of radios, and then transmit the first data set to a network device by: (a) transmitting, to the network device, a first subset of the first data set using a first wired connection between the access point and the network device, and (b) transmitting, to the network device, a second subset of the first data set using a second wired connection between the access point and the network device. Moreover, the AP can select a particular wired connection for transmitting a subset data received from a radio of the AP to the network device, where multiple wired connections exist between the access point and the network device. | 02-04-2016 |
20160050588 | System and Method for Wireless Load Balancing - In one embodiment, a method of wireless load balancing includes receiving, by a communications controller from a device, a plurality of messages including a plurality of demands of a plurality of UEs and a plurality of locations of the plurality of UEs, where the plurality of demands includes a demand of a UE of the plurality of UEs, where the plurality of locations includes a location of the first UE, and where the location of the UE is in a cell and determining a utility map in accordance with the plurality of demands and the plurality of locations. The method also includes determining a recommendation of user behavior of a user of the first UE in accordance with the utility map, the location of the first UE, and the demand of the UE and transmitting, by the communications controller to the UE, the recommendation of user behavior. | 02-18-2016 |
20160050653 | AVOIDING RADIO ACCESS NETWORK CONGESTION - In an LTE (Long Term Evolution) system, a radio access network (RAN) is configured to detect and report congestion radio congestion to a core network. RAN congestion may be indicated by lost, discarded, or retransmitted data packets. In response to being notified of congestion at the RAN, the core network of the system modifies properties of data bearers and data flows between the core network and the RAN, such as by modifying QoS commitments where possible and remapping data flows. | 02-18-2016 |
20160073295 | WIRELESS COMMUNICATION APPARATUS, WIRELESS COMMUNICATION SYSTEM, AND WIRELESS COMMUNICATION METHOD - A wireless communication apparatus, a wireless communication system and a wireless communication method that can suppress the occurrence of differences in transmission delays in a plurality of wireless lines are provided. The wireless communication apparatus ( | 03-10-2016 |
20160088521 | LOAD BALANCING IN A WIRELESS NETWORK WITH MULTIPLE ACCESS POINTS - With multiple communication channels available and range extenders, a number of paths may be available for communicating traffic in a wireless network. Traffic on paths in the wireless network may be load balanced to improve channel utilization and/or relieve an overloaded communication channel. To load balance the traffic, a first AP may determine candidate paths between a first AP and a client device, wherein at least one of the candidate paths traverses a second AP. The AP may determine available bandwidths of the candidate paths based, at least in part, on availability of communication channels of the candidate paths. The AP may steer a portion of the wireless network traffic of the client device to a first of the candidate paths based, at least in part, on the available bandwidths. | 03-24-2016 |
20160119809 | METHOD AND APPARATUS FOR TRANSMITTING CELL LOAD INFORMATION IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus for transmitting cell load information in a wireless communication system is provided. A first eNodeB (eNB) of a first system receives cell load information of a cell in a second system, from a radio network controller (RNC) of the second system, and transmits the received cell load information to at least one second eNB of the first system. The first system may be an evolved UMTS terrestrial radio access network (E-UTRAN), and the second system may be an UTRAN. | 04-28-2016 |
20160119816 | RADIO BASE STATION, USER TERMINAL AND RADIO COMMUNICATION METHOD - The present invention is designed to use radio resources effectively and improve the throughput of a radio communication system even when a plurality of small cells are placed densely. A radio base station controls the connecting cell of a user terminal, and has a selection section that selects candidate cells, the received power and/or the received quality of which in the user terminal is equal to or greater than a predetermined value, and a determining section that calculates the amount of data to transmit to serving user terminals, for each candidate cell, by taking into account the frequency band that is used, and determines a candidate cell where the amount of data is small, as the connecting cell of the user terminal. | 04-28-2016 |
20160119818 | PREEMPTIVE BASED RADIO CHANNEL ACCESS CONTROL - Preemptive based radio access control is facilitated. Queue data is received, wherein the queue data corresponds to a set of requests for highly prioritized communications included on a prioritized queue. The queue data is used to determine whether a set of conditions for involuntarily terminating a radio communication session has been met. Session data corresponding to characteristics for each of a plurality of radio communication sessions are also received and utilized to determine which of the plurality of radio communication sessions to terminate if the set of conditions for involuntarily terminating a radio communication session have been met. | 04-28-2016 |
20160119941 | METHOD FOR MANAGING WIRELESS RESOURCE AND APPARATUS THEREFOR - The present invention relates to a wireless communication system. More specifically, the present invention relates to a method for scheduling a terminal in a wireless communication system permitting overlapping between base station clusters, and an apparatus therefor, the method comprising the steps of: grouping a plurality of terminals into a plurality of groups satisfying predetermined conditions; and selecting one more terminals for scheduling by means of a group-based greedy algorithm for each of the plurality of groups, wherein, in the group-based greedy algorithm, a check is skipped for whether the total number of base station antennas corresponding to each group is equal to or greater than the number of terminals selected from each group. | 04-28-2016 |
20160150442 | LOAD ESTIMATION AND LOAD MANAGEMENT IN A CELLULAR COMMUNICATIONS NETWORK - A cellular communications network | 05-26-2016 |
20160157130 | RESOURCE MANAGEMENT IN A WIRELESS COMMUNICATIONS NETWORK | 06-02-2016 |
20160165485 | LOAD ESTIMATION AND LOAD MANAGEMENT IN A CELLULAR COMMUNICATIONS NETWORK - A cellular communications network | 06-09-2016 |
20160174104 | INTER-RAT SYSTEMS ACCESS NETWORK (AN) LOAD BALANCE AND CONGESTION CONTROL MECHANISM | 06-16-2016 |
20160183125 | NETWORK OFFLOAD METHOD AND APPARATUS | 06-23-2016 |
20160198365 | DISTRIBUTED LOAD MANAGEMENT ON NETWORK DEVICES | 07-07-2016 |
20160381600 | SHARED SPECTRUM LOAD BALANCING BASED ON NETWORK LOAD - A wireless telecommunications system may be configured to provide wireless service via unlicensed, licensed, and/or shared frequency bands (e.g., frequency bands that are shared with other telecommunications systems, and for which access is regulated by an external entity). A load balancing technique, described herein, may provide load balancing between licensed and shared frequency bands based on relative load of the licensed and shared networks, and/or other factors (e.g., a priority access license (“PAL”) of a base station to which the user device is attached). Techniques described herein may be useful in carrier aggregation, in which a user device may simultaneously attach to multiple carriers (e.g., a licensed carrier, along with a shared carrier and/or an unlicensed carrier). | 12-29-2016 |
20180027524 | COMMUNICATION METHOD, USER EQUIPMENT, AND BASE STATION | 01-25-2018 |