Abstract: A method is disclosed for registering a mobile terminal with a cellular telecommunications network, the network having a plurality of location areas and a plurality of extended areas of coverage, each extended area being represented by a list of a subset of cells on one or more the location areas, and the mobile terminal using information about a given one of the location areas to connect to the network. The method comprises transmitting a signal including a temporary identifier, which is unique to the mobile terminal when combined with the location area identifier that identifies the cell in which the temporary identifier was allocated a temporary identifier; transmitting an indication of whether the mobile terminal supports location registration based on extended areas (“soft location registration”); and if soft location registration is supported, performing location registration based on the extended area between the mobile terminal and the network.

Abstract: Embodiments relate to positioning of a user equipment in a communications network. A method in a user equipment for performing positioning measurement comprises receiving positioning assistance data from a positioning node. The positioning assistance data comprises a plurality of reference cells, wherein each reference cell may be associated with at least one respective frequency, and a set of neighbor cells comprising at least one neighbor cell. The method further comprises, for each reference cell comprised in the plurality of reference cells, identifying a respective associated set of neighbor cells, wherein the reference cell and the respective associated set of neighbor cells define a group. Furthermore, the method comprises performing at least one positioning measurement using the positioning assistance data for each respective identified group.

Abstract: A CRS base station (21) includes a transmitting section configured to transmit a synchronization establishment signal, a receiving section configured to receive a random access signal corresponding to the synchronization establishment signal, a determining section configured to determine whether or not the random access signal received by the receiving section has been transmitted from an MCS terminal (12) and an interference reduction processing section configured to perform interference reduction processing on the MCS terminal (12) when the determining section determines that the random access signal has been transmitted from the MCS terminal (12).

Abstract: The present disclosure provides a method for evaluating cross-cell coverage, which includes: finding, according to a neighboring cell configuration table of a cell in a base station, a cell with a number of configured neighboring cells that is larger than a number threshold for configured neighboring cells; designating the found cell as an original cell; carrying out a processing to obtain the cross-cell coverage evaluation parameters of the original cell; and determining the original cell i provides and/or suffers from cross-cell coverage when the cross-cell coverage evaluation parameter of the original cell exceeds respective cross-cell coverage evaluation thresholds. The present disclosure further provides an apparatus for evaluating cross-cell evaluation, which is capable of determining whether or not a cell provides cross-cell coverage to make parameters of a wireless network adjusted timely and limit the coverage of the wireless network in a supposed one.

Abstract: The present invention provides a handover control method in a wireless access system, a relay station and a base station for performing handover control in a mobile multi-hop relay wireless access system such that the wireless access system is enabled to cover a wider area. To achieve the above object, the present invention provides a handover control method in a wireless access system, wherein the wireless access system comprises a mobile station and a base station, which receive and send message via a wireless channel, and further comprises a relay station for forwarding message from the mobile station and the base station under control of the base station, characterized in that the method comprising a relay station measure and arbitration step in which the relay station measures the message and arbitrates whether to relay the message, and a base station measure and handover step in which the base station measures the message and arbitrates whether to perform handover.

Abstract: A method for managing a mobile communication system in which a base station and a mobile station communicate with each other, the method includes: stopping, among cells of a plurality of base stations, operation of a cell whose amount of use of communication is smaller than a reference value; and operating, among the cells of the plurality of base stations, a cell whose amount of use of communication is larger than the reference value using a high-order multi-input and multi-output configuration in which a plurality of antennas are used for transmission.

Abstract: A base station includes an emulation controller (20) configured to receive signals indicating that another base station in an active mode managing a cell, having a predetermined cell identity and coverage area, will go into an idle mode and no longer manage the cell, and to determine terminal activity in the cell. A baseband processing unit (18) is connected to the emulation controller (20) and configured to emulate the active mode of the other base station by taking over management of the cell, in at least part of its coverage area, using the same cell identity.

Abstract: An infrastructure assisted network transition scheme is provided. In a multi-mode wireless communication device, handover threshold data is received from a management server associated with a first wireless network comprising one or more wireless access points. The multi-mode wireless communication device receives signals from the one or more wireless access point devices of the first wireless network and generates data representing the received signals. The multi-mode wireless communication device analyzes the data representing the received signals with respect to the handover threshold data to determine when the multi-mode wireless communication device should initiate hand-in to the first wireless network and when to initiate hand-out from the first wireless network to the second wireless network. Functions are provided at the management server to enable the generation of the handover threshold data from network configuration information associated with the first wireless network.

Abstract: An enhanced solution for controlling a handover procedure for handing a terminal device over from a source cell to a target cell in a communication network with relay nodes is provided. In the solution, the relay nodes actively assist in the handover procedure by, for instance, initiating the handover procedure, configuring a relayed link and buffering user data at the relay node.

Abstract: Various methods and systems are provided for edge windowing of orthogonal frequency division multiplexing (OFDM) systems. In one example, among others, a method includes obtaining an edge windowing portion by reducing a cyclic prefix size for a quantity of edge subcarriers in an OFDM symbol and reducing side lobes by applying a windowing function to the edge subcarriers. In another example, a device includes a separator capable of dividing subcarriers of an OFDM symbol into first and second subcarrier groups, a first CP adder capable of obtaining a windowing portion by adjusting a cyclic prefix size of the first subcarrier group, and a first windower capable of reducing side lobes by applying a windowing function to the first subcarrier group. In another example, a method includes determining a RMS delay spread of a mobile station and scheduling a subcarrier based at least in part upon the RMS delay spread.

Abstract: Rescue handovers of user equipment, for example, may be accomplished by a method that includes detecting that a downlink radio link cannot be reliably received. The method can also include initiating sending a report that the downlink radio link cannot be reliably received when the detecting indicates that the downlink radio link cannot be reliably received. The method can further include initiating performing a handover upon obtaining handover instructions responsive to the report.

Abstract: A handover method of a mobile terminal between heterogeneous networks for facilitating the handover with pre-authentication procedure is provided. A handover method between heterogeneous networks includes receiving, at a mobile terminal connected to a source network, information on at least one target authenticator of a target network from a source authenticator in response to an attach request; creating an authentication key between the mobile terminal and the target authenticator selected among the at least one target authenticator through a pre-authentication process; determining, when the mobile terminal transmits a handover request to the selected target authenticator, whether the authentication key contained in the handover request matches with the authentication key stored in the selected target authenticator; and connecting, when the authentication keys match with each other, to the target network via the selected target authenticator.

Abstract: Aspects of a method and system for frequency control in a frequency shifting repeater are provided. In this regard, a reference frequency may be divided to generate a first pair of local oscillator (LO) signals, the first pair of LO signals may be divided to generate a second pair of LO signals. The two pairs of LO signals may be utilized to frequency shift a received signal for repeating the signal on a different frequency. The frequency shifted signal may be generated by down-converting the received signal utilizing the first pair of LO signals, up-converting the down-converted signal utilizing the second pair of LO signals, and combining the resulting up-converted signals. The reference frequency may be divided by a first scaling factor to generate the first pair of LO signal which, in turn, may be divided by a second scaling factor to generate the second pair of LO signals.

Abstract: An apparatus and a method control interference via inter-base station information exchange in a communication system. In a method for operating a serving base station, for controlling interference in a communication system, sum of yield loss amounts of terminals inside a neighbor base station by a power level rise of the serving base station is determined. Yield gain amounts of serving terminals by the power level rise of the serving base station are determined. The sum of the yield loss amounts of the terminals inside the neighbor base station by the power level rise of the serving base station is compared with the determined yield gain amounts of the serving terminals by the power level rise of the serving base station, so that a power level for each serving terminal is determined.

Abstract: Ambiguity (e.g., confusion) associated with access point identifiers may be resolved by querying candidate target access points and/or by using historical records indicative of one or more access points that the access point has previously accessed. For example, messages may be sent to access points that are assigned the same identifier to cause the access points to monitor for a signal from an access terminal that received the identifier from a target access point. The target access point may then be identified based on any responses that indicate that a signal was received from the access terminal. A mapping may be maintained for that access terminal that maps the identifier to that access point so that the mapping may be used to resolve any future confusion associated with the use of that identifier by that access terminal.

Abstract: Disclosed is related to a wireless communication system and a mobile terminal providing a wireless communication service and to a method by which a base station and a mobile terminal transmit and receive data in an evolved universal mobile telecommunications system (E-UMTS) evolved from universal mobile telecommunications system (UMTS), a long term evolution (LTE) system, or a LTE-advanced (LTE-A) system and more particularly, to a method of logging a measurement result at a handover failure.

Abstract: The disclosed mobile communication method is a mobile communication method in a mobile communication system, wherein at least a part of a macro-cell (#A), with which first broadcast information is transmitted at a first frequency, and a femto cell (#a), in which second broadcast information is transmitted at a second frequency, overlap geographically. The method has step in which a wireless base station (#a) for a femto cell that manages the femto cell (#a) detects the first broadcast information, step in which the wireless base station (#a) for a femto cell transmits guiding broadcast information at a first frequency in response to detection of the first broadcast information, and step (C) in which a mobile station (UE #1) that is communicating in the macro-cell (#A) performs handover to the femto cell (#a) when the guiding broadcast information is detected.

Abstract: A wireless communications system having a radio access network (RAN). A wireless terminal is connected to a serving node in the RAN. The wireless terminal exchange messages with a serving node to support a handover to a target node in the RAN. The target node receives the hand over and provides to the wireless terminal the identity of one or more messages sent from the serving node to the target node that were not acknowledged by the wireless terminal. The wireless terminal provides information to the target node to prevent the retransmission of one or more stale messages following handover.

Abstract: A radio site controller is configured to dynamically activate adjacent radio sites by first identifying, based at least on a current location of a subscriber unit in a currently activated first radio site, a currently de-activated second radio site located adjacent to the first radio site, and subsequent activating the identified second radio site. The identified second radio site may be a single de-activated adjacent second radio site, all de-activated adjacent second radio sites, or a subset of de-activated adjacent second radio sites based on a subscriber unit travel direction determination.

Abstract: A system and method for detecting a location of a mobile communication terminal. A mobile communication network for communication with the terminal and a cell identifier (ID) of a base station is set. A public land mobile network (PLMN) ID of the network and the cell ID are stored. One or more networks other than the set network are searched for. When the one or more other networks are searched for, the searched one or more other networks are sequentially set. Cell information according to the one or more other networks is searched for. Cell IDs of base stations communicable with the terminal are set. PLMN IDs of the one or more other networks and the cell IDs are stored. A common area between cells set using the stored PLMN and cell IDs is determined. Information about the common area is detected as location information of the terminal.

Abstract: Provided are a method and system for handing over a mobile terminal between a macro base station and a vehicular base station to secure a communication service of a movable mobile terminal in a wireless communication system supporting a vehicular base station such as a vehicular relay station. The mobile terminal may be handed over by selecting a network or a vehicular base station suitable to a mobility and type of communication.

Abstract: A mobile terminal comprising: transceiver apparatus for accessing a wireless network using an earlier and a later generation radio access technology, to establish a voice channel and packet data channel; and an inter radio access technology selector configured to monitor a condition for disabling the earlier generation access, being a condition other than coverage under the earlier generation technology falling below an acceptable lower level. The selector makes inter radio access technology decisions dynamically from the mobile terminal by updating registration with the network to indicate that the earlier generation technology is no longer supported. The selector thereby prevents the mobile terminal being subject to decisions from the network that would otherwise impose transfer to the earlier generation. At least some of the decisions made from the mobile terminal thus disable the earlier generation access whilst in presence of at least the lower level of coverage under the earlier generation.

Abstract: Described embodiments provide an apparatus and method for selectively providing system information in a heterogeneous network environment including a first network overlaid on a second network. The apparatus may include a location determination unit, a mapping table, and a signal processor. The location determination unit may be configured to determine a first network base station in the first network. The mapping table may be configured to store information on at least one second network cell in a second network, which is spatially in a comparatively close distance to each first network base station in the first network. The signal processor may be configured to determine at least one second network cell spatially close to the determined first network base station based on the mapping table and to transmit system information of the at least one second network cell to the user equipment.

Abstract: A mobile communication device includes a processor and a communication subsystem coupled to the processor. The communication subsystem is configured to provide the mobile device with wireless communications via an access point of a wireless network. The mobile device communicates with the access point via the communication subsystem for adjusting boundaries of an RF coverage region of the access point. The mobile device subsequently communicates with the access point via the communication subsystem in the adjusted RF coverage region for handoff to another wireless network, while the access point serves as part of a handoff indication mechanism in the wireless network.

Abstract: A method comprises receiving a relocation required message for a user equipment from a source Radio Access Network (RAN); multicasting a relocation request to multiple local RANs; receiving a first relocation acknowledgement from a first local RAN of the multiple local RANs to which a user equipment may be handed into; and forwarding the first relocation acknowledgement to the source RAN.

Abstract: A mobile communication device configured for Machine Type Communication (MTC) is provided. In the mobile communication device, a wireless module performs wireless transmissions and receptions to and from a service network, and a controller module starts a back-off timer in response to adding a Public Land Mobile Network (PLMN) identity to a forbidden PLMN list or in response to setting a subscriber identity card coupled to the mobile communication device as invalid. Also, the controller module further forbids any access to the service network via the wireless module until the back-off timer expires, and, before the back-off timer expires, stores an amount of a remaining time for the back-off timer to expire in response to a power-off of the mobile communication device or in response to detaching from the service network via the wireless module.

Abstract: The present invention provides a method for implementation in user equipment that is configured to communicate with a wireless communication system that includes at least one macro-cell and a plurality of femtocells. The method includes providing a call connection request from the user equipment to one of the plurality of femtocells and receiving information indicating a location of the femtocell and information indicating the femto cell is a premier femtocell associated with the user equipment. The call connection request is received at the user equipment from the premier femtocell in response to providing the call connection request. The method further includes storing the information indicating the location of the premier femtocell in the user equipment.

Abstract: Disclosed are a method and apparatus for solving an interference between femto base stations in an idle mode operation and facilitating searching of a femto cell in an idle mode. A method for operating a femto cell in an idle mode, includes: receiving an idle mode conversion notification from a first femto base station; checking the presence of a second femto base station in an idle mode among neighboring femto base stations near or around the first femto base station which has notified about the conversion of the idle mode and then optimizing an idle mode operation of the first and second femto base stations; delivering an idle mode operation parameter according to the optimized idle mode operation to the first and second femto base stations; and receiving an idle mode operation acknowledgement message according to the idle mode operation parameter from the first and second femto base stations.

Abstract: A method for communication in a communication terminal having a single communication module and at least two Subscriber Identification Module (SIM) cards is provided. The method includes performing a first call mode when a call is connected through a first base station in a standby mode by using the communication module and a first SIM card through a first time slot in each frame allocated by the first base station, and performing, when a second call is connected through a second base station while performing the first call mode, a second call mode using the communication module and a second SIM card through a second time slot in each frame allocated by the second base station, the second time slot being spaced apart from the first time slot.

Abstract: Autonomous power adaptation in a heterogeneous cellular environment is disclosed. In some embodiments, autonomous power adaptation for a first small area cellular device in a heterogeneous cellular environment includes collecting received signal strength information for one or more neighboring large area cellular devices and one or more neighboring small area cellular devices; and determining a maximum transmit power for the first small area cellular device that minimizes interference with the one or more neighboring large area cellular devices and the one or more small area cellular devices, in which determining the maximum transmit power for the first small area cellular device that minimizes interference with the one or more neighboring large area cellular devices and the one or more small area cellular devices includes prioritizing the one or more neighboring large area cellular devices over the one or more neighboring small area cellular devices.

Abstract: Systems and methods of managing concurrent access using different network identities using a shared baseband hardware implementation are described. A wireless apparatus comprises a computing device, a baseband device, the baseband device including at least a modem processor, and computer readable storage medium that stores one or more instructions. The instructions, when executed by the computing device, are configured to associate a first identity of the wireless apparatus with a first wireless network, associate a second identity of the wireless apparatus with a second wireless network, enable the first identity to communicate over the first wireless network using the baseband device, and enable the second identity to communicate over the second wireless network using the baseband device. Data obtained by concurrently utilizing the baseband device utilizing different network identities and different networks can be aggregated on the wireless apparatus.

Abstract: A method and apparatus to restore always on connectivity to user equipment, the method having the steps of: monitoring whether the user equipment has transitioned to a network that supports concurrent voice and data; performing, upon the monitoring step detecting the transition, a routing area update; checking whether the user equipment was in a voice call at the time of the transition, and if yes, sending a data packet to the network.

Abstract: A method and apparatus for transmitting a message in a wireless network environment are provided. The method of computing an interval of message transmission in an access point located in a specific subnet, includes determining whether the access point is an edge access point located at a boundary between the specific subnet and a neighboring subnet, and computing an interval of transmission of a router advertisement (RA) message containing information regarding the specific subnet based on the determination result.

Abstract: The invention is related to an apparatus including a processor and a memory including a computer program code, the memory and the computer program code configured to, with the processor, cause the apparatus at least to: configure a private network; determine cells belonging to the private network to form a mobility priority group; store neighboring cell information on at least the cells of the private network; and convey the neighboring cell information and information on the determined mobility priority group to an authorized user device accessing the private network for providing mobility management control to a user device, the mobility management control being based on the neighboring cell information and the information on the determined mobility priority group.

Abstract: A system for communicating with wireless devices. The systems includes radio groups whose MIMO physical sectors overlap. The MIMO physical sectors communicate using different channels. The MIMO physical sectors overlap to form an area of overlap. Each radio group includes directional antennas and radios. Radios are selectively coupled to the antennas. The antennas that are oriented so that the physical sectors of the antennas overlap to operate as MIMO antennas and form the MIMO physical sector for the radio group. The antennas operate as a MIMO antenna.

Abstract: The present invention relates to a method for radio resource control connection reestablishment and a terminal. After triggering the RRC connection reestablishment, the terminal searches for a cell used for RRC connection reestablishment to use the cell as a target cell, and receives an SIB1 message corresponding to the target cell; extracts first base station identification information from the SIB1 message, and compare the first base station identification information with second base station identification information saved by the terminal; if the two pieces of information are consistent, the terminal camps on the target cell and sends an RRC connection reestablishment request message to a base station to which the target cell belongs, so that the base station to which the target cell belongs performs the RRC connection reestablishment with the terminal.

Abstract: Systems and methodologies are described that facilitate performing fast cell selection in a user device wherein the user device can select a serving sector from a list of sectors in its virtual active set (VAS), while in communication with a wireless network. The serving sector can be different from a nominal sector whose scrambling code the user device employs for transmission on the uplink, which scrambling code can be known to all sectors listed in the VAS for the user device. In this manner, all sectors in whose coverage area the user device is located can be included in the user device's VAS and can receive and demodulate transmissions there from.

Abstract: A resource allocation method of a relay station in a wireless communication system employing the relay station is provided. The method includes: receiving information on a resource allocation pattern for an access link and a backhaul link of a first frequency band; and determining a resource allocation pattern for an access link and a backhaul link of a second frequency band on the basis of the resource allocation pattern of the first frequency band, wherein the first frequency band is any one of an uplink frequency band and a downlink frequency band, and the second frequency band is a remaining one of the uplink frequency band and the downlink frequency band.

Abstract: A femtocell power control module is operative to: obtain at least one uplink communication characteristic associated with the uplink signals transmitted by the at least one cellular communication device and received by the femtocell base station; estimate, from the obtained uplink communication characteristic, the power level of the downlink signals transmitted by the femtocell base station, as received by the at least one cellular communication device; if the estimated power level of the downlink signals transmitted by the femtocell base station as received by the at least one cellular communication device exceeds a predefined threshold power level, reduce the power level of the downlink signals transmitted by the femtocell base station to a reduced power level.

Abstract: Transmit power for an access point is controlled based on measurement reports received by the access point from one or more access terminals that are not currently being served by the access point. In some aspects, transmit power is controlled based on the number of received messages that correspond to a particular event. In some aspects, transmit power is controlled based on the contents of the received messages. For example, the access point may use signal strength information included in the messages to determine a level of transmit power that mitigates interference at a defined subset of reporting access terminals.

Abstract: A system and method wherein mobile nodes scan both 802.16 and 802.11 radio channels for neighbor access points. A mobile node reports both WiMax and WiFi neighbor access points to its parent access point. A parent access point advertises both WiMax and WiFi neighbor access points to child mobile nodes to facilitate faster roaming and load balancing. A parent WiMax AP can direct a mobile node to roam to a neighbor WiFi access point that has a lighter load or offers enhanced services. As an option, a location tracking protocol is used to determine the location of a mobile node and the mobile node's parent AP advertises neighbor APs that offer services in the mobile node's location.

Abstract: A method is provided connecting a radio link of a UE in a wireless communication system. The method includes selecting, when the UE fails in connecting the radio link to a first cell for a given time, at least one second cell by using radio link connection information for the first cell overlapping the least one second cell; performing, if a number of the selected second cell is one, cell selection or cell reselection on the selected second cell by using the radio link connection information without performing measurement for the selected second cell; and performing, if the number of the selected second cell is a plurality, measurement for the plurality of selected second cells by using the radio link connection information, and performing cell selection or cell reselection on a second cell decided from among the plurality of selected second cells based on the measured result.

Abstract: A femtocell radio base station, which radio-communicates with one or more communication terminal units, includes a plurality of terminals that receive power from a power supply unit when connected to the power supply unit respectively; a measurement unit that measures total power supplied from one or more connection terminals connected to the power supply unit from among the plurality of terminals; and a control unit that controls radio communication with the one or more communication terminal units based on a measurement result of the measurement unit.

Abstract: A method and system for data session establishment from a mobile device in a multiple networks scenario, the method including, checking whether an identifier for an first network is on a blacklist on the mobile device; if the first network identifier is not on the blacklist, attempting to establish a data connection with the first network; and if the first network identifier is on the blacklist, establishing a data connection with a second network. The method and system for data session establishment include deriving and maintaining the blacklist.

Abstract: A method for reducing a delay in a wireless communications system resulting from a handoff while mitigating a risk of premature termination of wireless communications, the method includes comparing data indicative of actual use of the wireless communications systems to at least one predetermined criteria. If the comparing determines a sector pairing in the wireless communications system to be statistically significant for purposes of recommending at least one search window setting, at least one value related with a distance associated with the sector pairing may be used to automatically determine a corresponding signal delay. If the corresponding signal delay exceeds a prior determined signal delay, a recommended search window setting may be determined using the corresponding signal delay.

Abstract: A method for minimizing handoff latencies when a handoff is performed in a wireless network. An access point (AP) or base station associated to a current wireless station (STA) allows information required for a reassociation to the STA to be propagated to handoff-capable neighboring APs or base stations. When the STA moves, a neighboring AP or base station performs the reassociation to the STA on the basis of context. When a handoff procedure is performed, the time taken to receive context of a corresponding STA is reduced, such that a fast handoff can be implemented.

Abstract: The present invention relates to an apparatus and method for reducing the interference caused by a femtocell in a wireless communication system. The method comprises the steps of: measuring the intensity of a signal received from a terminal when the transmission mode is deactivated; and controlling the transmission mode to be activated according to the signal intensity, and thus has the advantage of decreasing the influence effects caused by the femtocell and reducing the power consumption in a femto base station.

Abstract: A method for handover in a telecommunication system is disclosed. The method determines a traffic time pattern in a handover situation where a user equipment is handed over from a source cell to a target cell in the telecommunication system. History information relating to a traffic time pattern used in the source cell by the user equipment being handed over is forwarded from a controller node of said source cell to a controller node of said target cell. In the target cell, a traffic time pattern to be used by said user equipment in said target cell after the handover is estimated by taking into consideration at least said history information.

Abstract: A method of controlling handover in a server and including receiving a handover required message including information indicating that a Closed Subscriber Group (CSG) membership for a terminal in a Home (e)NodeB has expired; transmitting a handover command message to the Home (e)NodeB; receiving a status report message from the Home (e)NodeB indicating that the CSG membership for the terminal is updated; receiving information related to a CSG membership of the terminal from a Home Subscriber Server (HSS) if the terminal handover was performed from the Home (e)NodeB to another base station; determining that the terminal performs a reverse handover from the another base station to the Home (e)NodeB based on the status report message and information obtained from the HSS; and transmitting a control message to perform the reverse handover to another base station.

Abstract: Provided is a small base station apparatus (HeNB), wherein interference between the HeNB and an MeNB can be inhibited, without any exchange of information between the HeNB and the MeNB. In the HeNB (100), which forms a cell smaller than a cell formed by the MeNB, a pattern generation unit (101) generates an assigning pattern of subbands to be assigned to the HeNB (100), from among a plurality of subbands that can be used by the HeNB (100), wherein combinations of subbands are different for each of the frames. An assignment unit (102) assigns subbands to communication terminal apparatuses connected to the HeNB (100), on the basis of the assigning pattern.