Abstract: An aspect includes deadlock-free routing on arbitrary network topologies using edge-disjoint sub-networks. A network topology of a network is identified. The network includes a plurality of links between a plurality of switches. Each of the links is identified as an edge. A plurality of edge-disjoint sub-networks is constructed from the network topology of the network by routing configuration logic. The plurality of edge-disjoint sub-networks is formed by edges between the switches such that the edges are disjoint relative to each of the edge-disjoint sub-networks. The switches are configured to route traffic on the network with each route staying entirely within one of the plurality of edge-disjoint sub-networks within the network.

Abstract: Certain aspects of the present disclosure describe determining a downlink (DL) hybrid automatic repeat request (HARD) timing linkage between a first component carrier and a second component carrier, the first component carrier having a different uplink (UL) and DL configuration than the second component carrier. A derived downlink association set can be determined. A PUCCH resource in a subframe can be identified based on a first downlink association set associated with the first component carrier and the derived downlink association set.

Abstract: The present invention relates to a method for defining, in a TDD wireless communication system in which broadband is configured by means of carrier aggregation, transceiving timing for a data channel and a control channel when cross-carrier scheduling is implemented.

Abstract: A pre-coding/decoding method and apparatus for data transmission between a transmitting end and a receiving end is provided. The pre-coding method for data transmission through Time Division Duplexing (TDD) in a mobile communication system includes estimating downlink channel state information based on an uplink sounding signal, and pre-coding a data symbol and a reference signal based on the estimated downlink channel state information.

Abstract: A method and node in a communication network for facilitating access by a client terminal to an IMS service from a non-Session Initiation Protocol (non-SIP) compliant access network such as a circuit-switched network. The node receives a request from the client terminal and in response, allocates to the terminal, a Terminal Adapter from a plurality of Terminal Adapters. The node then sends a message to the client terminal reporting the address of the allocated Terminal Adapter.

Abstract: In accordance with various aspects of the disclosure, an apparatus is disclosed that includes a network coordinator module configured to coordinate operation in one or more wireless network architecture modes and configured to communicate to a network station an active mode of the one or more wireless network architecture modes that is active for communication; and a scheduler module that is configured to schedule communication to the network station.

Abstract: A system and method for wireless communication over multi-rate channels are disclosed. One embodiment of the system includes a first multi-band wireless station that is capable of using a first frequency band and a second frequency band for wireless communication; and a second multi-band wireless station that is capable of using the first frequency band and the second frequency band for wireless communication. One or more of the first and second stations is configured to monitor a status of the second frequency band. The status includes the availability of the second frequency band for communication between the first and second stations. The first and second stations can share the monitored status with each other via the first frequency band.

Abstract: A wireless LAN station having a MAC address and receiving beacon frames indicating a beacon interval selects a sub-interval from the beacon interval for transmission and reception of wireless signals. The beacon sub-interval used by each set of stations for transmission and reception is preferably ½n of the beacon interval, where n is the number of device-unique assignment bits, such as MAC address. Each station thereby self-assigns itself one of the sub-intervals as a segment for transmission and reception, thereby reducing collisions and re-transmissions in a congested access point.

Abstract: Antenna swapping methods for a wireless electronic device may include repeatedly swapping back and forth between activating a first antenna and activating a second antenna, and measuring an antenna performance characteristic of the wireless electronic device, during a time period of repeated swapping. The methods may include comparing the antenna performance characteristic of the wireless electronic device during the time period of repeated swapping and an antenna performance characteristic of the wireless electronic device before the time period of repeated swapping. The methods may include, in response to determining that the antenna performance characteristic of the wireless electronic device during the time period of repeated swapping is stronger than the antenna performance characteristic of the wireless electronic device before the time period of repeated swapping, swapping once between the first and second antennas. Related devices are also described.

Abstract: Aspects of a method and system for energy management are provided. In one embodiment based on expected activity in one or more nodes in a network, processing capabilities in the network may be matched with expected processing loads. Processing loads in a network node may be determined based on deep packet inspection of traffic transmitted/received by the node, inspection of data exchanged between subsystems in the node, a state of an operating system running in the node, data processed or waiting to be processed in the node, information exchanged between an energy management entity in the node and an energy management entity in one or more other nodes, computing tasks delegated to the node, and/or instructions transmitted along with a computing task delegated to the node.

Abstract: Embodiments of the present disclosure describe devices, methods, computer-readable media and systems configurations for managing state transitions of communication circuitries in wireless networks. Embodiments manage radio resource control (RRC) state transitions and/or discontinuous reception (DRX) state transitions. Other embodiments may be described and/or claimed.

Abstract: Dynamic switching of uplink power control and synchronization in wireless networks involves switching a user equipment (UE) from a transmission point common (TP-common) mode to a transmission point specific (TP-specific) mode in a wireless network. The UE transmits at a high power level in a TP-common mode to compensate for a larger path loss between the UE and the TPs and at a low power level in a TP-specific mode to save battery power based on a smaller path loss between the UE and a specific, nearby TP.

Abstract: Aspects of this disclosure relate to methods and apparatuses for aligning downlink discontinuous reception patterns in multiflow High-Speed Downlink Packet Access (HSDPA). One aspect of the disclosure provides a method for wireless communications. The method includes: communicatively connecting with a user equipment (UE), a first cell, and a second cell; determining a sub-frame pairing between the first cell and the second cell; and selectively updating the sub-frame pairing based on a timing offset representative of a sub-frame delay between the first cell and the second cell.

Abstract: An access point including a beacon module that determines a beacon interval and that defines a first portion and a second portion of the beacon interval during which the access point operates in a normal mode and a power save mode, respectively. On receiving a communication from a client station during the first portion, a control module does not transition the access point from the normal mode to the power save mode at an end of the first portion. If the communication is not received during the first portion, the control module transitions the access point from the normal mode to the power save mode at the end of the first portion and from the power save mode to the normal mode at an end of the second portion. A duration of the second portion is less than a scan time of the client station.

Abstract: Systems and methods for dynamic adjustment of keep-alive message intervals in a mobile network are disclosed. One embodiment of maintaining an IP connection between a mobile terminal and a network node over a network includes, detecting a rate with which the client-slide request are made from the mobile terminal, detecting a rate with which the client-slide request are made from the mobile terminal, sending, by the network node, keep-alive messages to the mobile terminal in an absence of network traffic through the IP connection between the mobile terminal and the network node, and/or further optimizing the time intervals between the keep-alive messages based on a cost to send the keep-alive messages in the network.

Abstract: Methods and apparatuses are provided for establishing time alignment by a terminal in a mobile communication system. First information for discontinuous reception (DRX) operation is received from a base station. A downlink control channel is monitored based on the first information. Second information for identifying a dedicated preamble on the downlink control channel is received from the base station. The dedicated preamble is transmitted to the base station based on the second information. A response message to the transmitted dedicated preamble is received from the base station on a downlink shared channel. The response message includes timing adjustment information and third information for a channel quality indicator (CQI) report. Time alignment is established based on the timing adjustment information included in the response message. The CQI report is transmitted to the base station based on the third information.

Abstract: Various methods and devices are provided to address the need for improved multicast operation. In one method, a station transmits (401) a multicast packet to a plurality of mobile devices and to a group of monitoring stations (MSs). An indication of whether the multicast packet was received by that MS is received (402) from each monitoring station (MS) of the group of MSs. When this indication indicates that the multicast packet was not received, the multicast packet is retransmitted (403) to the plurality of mobile devices and to the group of MSs.

Abstract: Disclosed are a data transmission/reception apparatus and method of a wireless communication system using a relay. The data transmission/reception apparatus of the relay sets a relay reception subframe (hereinafter, referred to as ‘relay-rx-sub-frame’), and reports, to a terminal within a cell coverage, that the set relay-rx-subframe is a Multicast Broadcast Single Frequency Network (MBSFN) sub-frame, so that a legacy terminal may be provided with services in a wireless communication system using the relay.

Abstract: A system may receive, from a user device, a request to receive content via a first base station, where the content was previously being received, as multicast content, via a second base station; determine, in response to the request, whether the first base station can process multicast content; transmit a copy of the content, to the user device via the first base station, as multicast content, based on a determination that the first base station can process multicast content; and transmit the content, to the user device via the first base station, as unicast content, based on a determination that the first base station cannot process multicast content.

Abstract: Signal distribution, signal switching, and signal collection are performed with a simple configuration. An electronic device comprises a transmission unit (108) for transmitting, as a wireless signal, a signal to be transmitted and a reception unit (208) for receiving the wireless signal transmitted from the transmission unit. In the electronic device, a plurality of pairs of wireless signal transmission points in the transmission unit and wireless signal reception points in the reception unit can be formed. Using the pairs of transmission points and reception points make it possible to execute at least either one of signal distribution in which the same signal to be transmitted from a transmission point is transmitted to the multiple reception points and signal switching in which a signal to be transmitted from a transmission point is selectively transmitted to any of the multiple reception points. The signal to be transmitted is transmitted as a wireless signal.

Abstract: A method to control cell selection and/or re-selection in a communication system comprising a plurality of cells with which terminal devices may communicate, the method including the steps of: determining that a terminal device is to start a session for a certain service, the service using a reception frequency; based on that determination, changing at least one cell selection and/or re-selection parameter in respect of the terminal device with the effect that a subsequent cell selection and/or re-selection performed by the device would favor cells that use the reception frequency used in the service session over other cells.

Abstract: Channel characterization and training within multiple user, multiple access, and/or MIMO wireless communications. Within such communication systems, there can be a number of devices (e.g., STAs) that communicate with a single device (e.g., AP). A multi-cast sounding frame may be transmitted from a transmitting device to a number of receiving devices. Appropriate scheduling or ordering of feedback signals from some or all of the receiving devices may be performed explicitly (e.g., sounding frame sent from the transmitting device to a receiving device) or implicitly (e.g., control information sent from the transmitting device to the receiving device, sounding frame sent to the transmitting device from the receiving device). Such characterization and training is with respect to a channel or path in which data will subsequently follow. Such characterization and training can be performed in accordance with group membership (e.g., with respect to only some of the receiving devices).

Abstract: A physical layer network coding architecture is provided to increase downlink capacity for satellite network architectures. For instance, a network coding controller may perform a XOR network coding operation on FEC encoded information received from a first terminal and second terminal, and broadcast a single downlink message containing the XOR network coded information to the first and second terminal.

Abstract: In order to properly operate a fixed relay station and a mobile relay station even under the circumstance where the fixed relay station and the mobile relay station are connected to the same base station, each of relay stations (20—1 and 20—2) forming a mobile communication system (1) notifies a base station (10) of type information which indicates a type of whether or not each relay station is a movable relay station. The base station (10) performs, for each of the relay stations (20—1 and 20—2), at least one of configuration and control according to the type. Further, when the type indicates the movable relay station, the base station (10) notifies information on the at least one of configuration and control to a neighboring base station via an upper layer control device.

Abstract: A wireless communication system includes an intermediate node, a first node and a second node. A apparatus for implementing MIMO based network coding, comprises the first node transmitting first data to the intermediate node, and the second node transmitting second data to the intermediate node. Both the first node and the second node may use spatial multiplexing or time division multiplexing or frequency division multiplexing on a common/different resource. The intermediate node receives the transmissions from the first node and second node, and performs network coding on the first data and second data using a predefined network coding scheme to produce network coded information. The intermediate node transmits the network coded information to the first node and second node using multi-user MIMO and each first or second node receives the MIMO transmissions from the intermediate node and applies network decoding procedures to recover the first data and second data.

Abstract: The invention relates to a method of transmitting an uplink signal at a communication apparatus in a wireless communication system.

Abstract: Within a wireless network, feedback information from user equipment (UE) to a control node (eNodeB) is necessary to support various functions. A UE receives an allocation from the eNodeB comprising a plurality of periodic transmission instances for a channel quality indicator (CQI) and a schedule comprising a plurality of periodic transmission instances for a rank indicator (RI), wherein the CQI comprises RI and other CQI fields. The UE then transmits an RI without transmitting the other CQI fields in a transmission instance allocated for both RI and other CQI fields.

Abstract: A method, apparatus, and system for time synchronization are disclosed. The method comprising: obtaining a master sending time stamp, a slave receiving time stamp, a slave sending time stamp, and a master receiving time stamp; and adjusting the time of the slave clock according to the offset calculated from the time stamps to synchronize with the clock time of the master clock. With the present invention, in passband transmission systems that transmit signals continuously in units of symbols, the time synchronization is implemented between the master clock and the slave clock.

Abstract: A packet-switched wireless communications network includes a mobile station and a radio network controller that are able to establish a radio connection therebetween. Messages are exchanges over one or more traffic channels to establish a packet-switched services session between the mobile station and the radio network controller. The radio connection is not closed until all messages for establishing the packet-switched services session have been exchanged between the mobile station and the radio network controller.

Abstract: A method and apparatus are used for providing assistance data to wireless transmit/receive units (WTRU)s. The assistance data may include information regarding neighboring access points (AP)s. The assistance data may be transmitted to WTRUs using multicast, broadcast, and/or point-to-point signaling. The assistance data may be used to facilitate ring and handover of WTRUs from one AP to another.

Abstract: A communication link is provided between a station of an access system and a relay node. The relay node is a node capable of wirelessly communicating with at least one communication device within the coverage thereof. A set up procedure for the communication link is initiated such that the relay node acts as a communication device towards the station, the set up procedure being initiated according to a set up procedure between the station and communication devices accessing the station directly. Communication between the relay node and at least one communication device within the coverage area thereof are handled such that the relay nodes acts as a station of an access system towards said at least one communication device.

Abstract: One embodiment of a method for inter-base station signaling includes receiving, at a first base station, first information from a second base station. The first information indicates commitments regarding transmission power by the second base station. The embodiment further includes determining, at the first base station, whether the second base station will follow the commitments indicated in the first infatuation based on second information. The second information indicates for at least one of the first and second base stations which subframes in a series of subframes will be special subframes. Each special subframe has at least one of less transmit power than a maximum transmission power and less data than a fully loaded subframe.

Abstract: The present document relates to a wireless device in a digital cellular telecommunications network. For example, the present document relates to the request of an access channel from a wireless device to a base station of the digital cellular telecommunications network. Example methods for controlling one or more transmissions between a wireless device and a base station are described. The one or more transmissions include at least an initial transmission. One example method comprises determining the quality of a radio uplink between the wireless device and the base station, the quality being based on at least one parameter associated with a previous transmission; setting a control parameter for controlling the transmission between the wireless device and the base station based on the determined quality of the radio uplink; and transmitting the initial transmission.

Abstract: A codebook based channel information feedback method, device and system are provided in the present invention. The codebook based channel information feedback method includes: measuring, by a terminal in a communication system, a parameter of a downlink channel between the terminal and a base station of the communication system; selecting a plurality of precoding matrixes from a precoding codebook by using the parameter of the downlink channel, wherein a plurality of the precoding matrixes can be used by both of single-user multi-input multi-output (MIMO) transport mode and multi-user MIMO transport mode, and the precoding codebook is an aggregation of precoding matrixes; and feeding back a first information for indicating a plurality of the precoding matrixes to the base station.

Abstract: In the field of mobile communications, embodiments of the present invention disclose a service control method and apparatus. A user equipment has established a circuit switched bearer, and the user equipment initiates a session with a third party. The method includes: receiving, by a service centralization and continuity application server SCC AS, early session media information and sending the early session media information to a circuit switched network in a form of regular session media, so that the circuit switched bearer is used for an early session; and receiving, by the SCC AS, an off-hook signal of the third party and sending regular session media information of the third party to the circuit switched network, so that the circuit switched bearer is used for a regular session.

Abstract: Disclosed is a method for setting a carrier indication field indicating an element carrier in a multi-carrier system using a plurality of element carriers. The method includes: transmitting a value of a carrier indication field (CIF) and first CIF setting information that indicates a first mapping relationship between element carriers; transmitting downlink control information (DCI) including a carrier indication field; and transmitting a value of a CIF and second CIF setting information that indicates a second mapping relationship between element carriers, wherein the carrier indication field is a field indicating any one of the plurality of element carriers, and at least one element carrier is mapped with the same carrier indication field value in the first and second mapping relationships.

Abstract: A method and system for providing voice based host services with CRM data without an end user's phone number for loyalty program is disclosed herein. A VoIP application is resident on a mobile communication device of an end user. The VoIP application allows the end user to control how the loyalty program will identify the end user (without the end user's phone number) when the end user requests loyalty program services from the loyalty program using the end user's mobile communication device.

Abstract: Systems, methods, and computer-readable storage media for scheduling full-duplex communications between half-duplex mobile devices and a full-duplex capable access point. The system receives, within a time window, tones from a plurality of mobile devices, the tones indicating that each device in the plurality of devices are performing one of uploading data and downloading data. The system pairs the plurality of devices into pairs of an uploading device and a downloading device, where the pairing is based on an interference each device in the plurality of devices causes with remaining devices in the plurality of devices, to yield a list of paired devices. Upon communicating the list of paired devices to the plurality of devices, one device of each pair transmits data to the base station in a frequency channel while the other device receives data from the base station in the same frequency.

Abstract: In the terminal device of the present invention, a transmitter can transmit any one of a maximum transmission power information, a maximum power reduction (MPR) information, and a terminal PHR information of the terminal in each one or more serving cells of the terminal among the plurality of serving cells and the PHR information of each one or more serving cells of the terminal, to a base station and can transmit the changed MPR information, the changed maximum transmission power information, or the changed terminal PHR information when a first PHR triggering condition is generated therefrom. A processor controls the transmitter to enable the transmitter to transmit the changed MPR information, the changed maximum transmission power information, or the changed terminal PHR information when the MPR information or the maximum transmission power information is changed.

Abstract: A Level-1 (L1) signaling flag is mapped to unused (invalid) bit sequences in Part 1 of the HS-SCCH—that is, Part 1 bit encodings that are not defined in the UTRAN specifications—and a corresponding L1 command is encoded in Part 2. This allows UE (18) to detect early that the HS-SCCH is pure L1 signaling, and the UE (18) may avoid wasting power by not processing an accompanying HS-PDSCH. Alternatively, in CPC HS-SCCH-less mode, the UE (18) may blind decode the HS PDSCH. In one embodiment, a general DRX mode is defined and controlled via L1 signaling. In one embodiment, a UE (18) acknowledgement improves the L1 signaling accuracy. In one embodiment, a L1 signal and UE (18) acknowledgement protocol are utilized to “ping” a UE (18).

Abstract: A wireless media access control supports asynchronous communication and overlapping transmissions. Here, a wireless node may determine whether to request or schedule a transmission based on control messages it receives from neighboring nodes. In some implementations a scheduled transmission may be divided up into several segments so that a transmitting node may receive and transmit control messages between segments. In some implementations a monitoring period is defined after a scheduled transmission period to enable the transmitting node to acquire control information that may otherwise have been transmitted during the scheduled transmission period. In some implementations data and control information are transmitted over different frequency division multiplexed channels to enable concurrent transmission of the data and control information.

Abstract: A method for resource allocation in a wireless communications network and the respective wireless communications system are provided. The method includes providing an access network; providing an access terminal; joining the access terminal into a group of the access network, wherein access terminals in the group share a group of resources; and setting a maximum usable channel size for the access terminal, wherein the maximum usable channel size limits a maximum number of leftover resources used by the access terminal.

Abstract: Disclosed is a transmission of a RLC STATUS PDU using a limited radio resource by MAC and RLC layers in a long term evolution (LTE) system. In case where the MAC entity prioritizes logical channels for allocating the radio resource to each logical channel, the MAC entity is allowed to allocate radio resources based upon the size of a RLC STATUS PDU to be sent from the RLC layer and also the RLC layer is allowed to use the STATUS PDU prior to RLC data PDUs upon using the allocated radio resource, such that RLC protocols can be avoided from coming in a deadlock situation due to a non-transmission of the STATUS PDU.

Abstract: An apparatus is provided in one example embodiment and includes a gateway configured to be coupled to a profiling function that evaluates past end user behavior in order to make a point of attachment determination in a network for the end user. In cases where the end user had previously operated as a nomadic user, the profiling function triggers the gateway to define an Internet Protocol (IP) service for the end user and the point of attachment is the gateway. In more specific embodiments, if the end user is determined to be mobile, the gateway establishes a mobility tunnel to a hierarchical gateway, which acts as the point of attachment to the network for the end user. In still other embodiments, the profiling function includes querying a database that includes a profile for the end user. A profile for the end user can be identified in a RADIUS accounting request.

Abstract: A method of performing random access procedure in a wireless communication system is disclosed. The present invention includes the steps of receiving a first message transmitted to count the number of user equipments attempting to receive the broadcast/multicast service from a network, transmitting a preamble for a random access to the network, receiving a second message including a user equipment identifier for identifying the user equipment and uplink (UL) radio resource allocation information in response to the preamble from the network, transmitting a third message to the network using the uplink radio resource allocation information, and stopping the random access in case of receiving a contention resolution message from the network.

Abstract: Methods for signaling multi-user multiple-input multiple output (MU-MIMO) parameters for Evolved-UTRA (E-UTRA) are disclosed. Example signaling format methods are presented that allow use of distributed virtual resource blocks (DVRB) or support of four wireless transmit/receive units (WTRUs) but maintaining a predetermined signal format size. A signaling format is also presented that signals transmission precoding matrix indexes used by all co-scheduled WTRUs.

Abstract: The present invention relates to a method for communicating from a primary station with an array of transmit antennas to a secondary station on a downlink channel, said method comprising steps of, at the primary station, (a) configuring the downlink channel, step (a) being subdivided into steps of: 5 (a2) computing a precoding to be applied during a corresponding transmission from the primary station to the secondary station for each of an array of transmit antennas; (a3) applying a reversible transform to the precoding, thus ascertaining a set of precoding coefficients substantially representative of the precoding in a transform 10 domain; (a4) computing a set of parameters comprising at least one parameter, said parameter being substantially representative of the coefficients obtained at step (a3); (a5) signaling the set of parameters to the secondary station; 15 (b) transmitting data to the secondary station substantially according to the precoding computed at step (a2).

Abstract: A method of sizing bundled resource blocks (RBs) having at least one user equipment (UE)-specific demodulation reference signal in an orthogonal frequency division multiplexing (OFDM) system is disclosed. According to one embodiment, the method includes: receiving configuration information related to at least one UE-specific demodulation reference signal; receiving a plurality of resource blocks (RBs) from a network, wherein the plurality of resource blocks comprises the at least one UE-specific demodulation reference signal, at least one cell-specific demodulation reference signal or data, wherein a number of the plurality of RBs is dependent on a size of a system bandwidth, the size of the system bandwidth corresponding to one of four size ranges; and processing at least one of the received plurality of RBs by bundling the plurality of RBs into RB bundles, wherein the size of each RB bundle is based on the one of the four size ranges.

Abstract: Device, computer readable medium and method for joint multi-user processing in a first base station of a telecommunication network, which includes at least a second base station and first and second terminals served by the corresponding first and second base stations. The method includes issuing, at the first base station, a first uplink transmission grant for the first terminal; receiving, at the first base station, from the second base station scheduling information about an uplink transmission of the second terminal, wherein an uplink transmission grant for the uplink transmission of the second terminal is issued by the second base station; and jointly decoding, at the first base station, an uplink transmission from the first terminal and the uplink transmission from the second terminal, which is not served by the first base station, based on the received scheduling information about the uplink transmission of the second terminal.

Abstract: A method and apparatus of transmitting an ACK/NACK signal for a hybrid automatic repeat request (HARQ) in a wireless communication system is provided. A first ACK/NACK resource index and a second ACK/NACK resource index based on resources used to transmit a downlink control channel is determined. An ACK/NACK signal for a downlink transport block is transmitted through a plurality of antennas using first ACK/NACK resources obtained from the first ACK/NACK resource index and second ACK/NACK resources obtained from the second ACK/NACK resource index. An HARQ ACK/NACK signal can be reliably transmitted through a plurality of antennas.