Abstract: A terminal apparatus communicates with a base station apparatus using a plurality of downlink subbands and a plurality of uplink subbands. The terminal apparatus receives, in a downlink subband, response information for an uplink data transmitted in an uplink subband in accordance with setting information which is received from the base station apparatus and indicates a relationship between the uplink subband and the downlink subband used to receive the response information, where the uplink subband being one of the plurality of uplink subbands, and where the downlink subband being one of the plurality of downlink subbands.

Abstract: Embodiments of the present invention provide a method for power control of a uplink control channel in a coordinated multi-point transmission system. The method comprises: performing the uplink control channel power control based on measured pathloss from a single reception point to the user equipment in a scenario of single-point reception of the uplink control channel; performing the uplink control channel power control by reducing uplink control channel transmission power of the user equipment to thereby reduce inter-cell interference incurred by multi-reception-point reception combining gain in a scenario of multi-point reception of the uplink control channel. Embodiments of the present invention further provide an apparatus for power control of a uplink control channel in a coordinated multi-point transmission system and a corresponding base station.

Abstract: One embodiment of the present invention relates to a method for acquiring control information, comprising: a step of receiving a plurality of first sequential indexes associated with a resource region via which downlink control information is transmitted; a step of determining a plurality of second indexes from the plurality of first indexes; and a step of determining control channel elements in the order of the resource regions according to the plurality of second indexes, and performing blind decoding wherein the determination o the plurality of second indexes is dependent on a transmission mode and/or downlink control information.

Abstract: A method for UL control signaling for carrier aggregation, CoMP and/or eICIC is disclosed. The method includes determining whether multiple FB (such as, a plurality of FB each for one channel of a multiple of channels, a plurality of FB regarding one channel (CSI, A/N, etc.), etc. for example) is to be simultaneously transmitted. The multiple FB are related to at least one CA, CoMP and/or eICIC transmission. A RS resource for an UL control signal message is selected. The RS resource includes an indication that the multiple FB is present in the UL control signal message. The method jointly encodes the multiple FB. The UL control signal message including the indication and the jointly encoded multiple FB is transmitted from a UE to a network element. Apparatus and computer readable media are also disclosed.

Abstract: In the present invention, disclosed are a method for transreceiving downlink control information in a wireless access system supporting an enhanced physical downlink control channel (E-PDCCH), and an apparatus for same. More particularly, the method comprises the steps of: transmitting through a physical broadcast channel (PBCH) information with respect to a resource region of a search space that is set inside a physical downlink shared channel (PDSCH) or the enhanced physical downlink control channel (E-PDCCH); and transmitting the downlink control information to a user equipment through the search space.

Abstract: One embodiment of the present invention relates to a method for transmitting a signal by a first node in a wireless communication system, including the steps of a first node setting a connection for a reserved transmission and transmitting a signal to a first reception node in the time interval reserved as the connection setting, wherein, in the time interval, a signal transmission is allowed by a second node which is not included in the neighbor nodes of the first reception node.

Abstract: The present invention relates to various methods and devices that receive and update system information that is used for machine-to-machine (M2M) communication in a wireless connection system supporting the machine-to-machine communication.

Abstract: Disclosed are a method for measuring a state of channel quality in a wireless communication system including cells formed with a plurality of network nodes and an apparatus therefor. The method of enabling a terminal to measure the state of channel quality in the wireless communication system including the cells formed with the plurality of network nodes, includes the steps of: receiving the information related to a resource in which at least one first type network node transmits a Channel State Information-Reference Signal (CSI-RS); and measuring the intensity of a received signal on only the resource for transmitting the CSI-RS according to at least one first type network node on the basis of the received information.

Abstract: The present invention relates to a method and an apparatus for transceiving downlink control information (DCI) in a wireless access system. More particularly, the method comprises: a step of mapping a physical downlink control channel (PDCCH) to a common search space (CSS) defined within a physical downlink shared channel (PDSCH) region in a frequency first mapping manner; and a step of transmitting DCI to a terminal through the mapped PDCCH.

Abstract: The present invention provides a method and system for indicating packet switched (PS) services capability information in a GPRS EDGE Radio Access Network (GERAN) environment. When a GERAN provides PS only services on a GERAN terminal, the GERAN terminal indicates its capability to support PS only services to a GERAN entity. Accordingly, the GERAN entity can deliver PS services data to the GERAN terminal operating a PS only mode over resources suitable for PS data communication.

Abstract: A method for a base station transmitting transmission power of a subframe to a user equipment, according to one embodiment of the present invention, comprises a step of transmitting downlink control information to the user equipment through a physical downlink control channel (PDCCH), wherein the transmission power information of the subframe is indicated by information related to the PDCCH, and a value of the information related to the PDCCH can be decided based on a predetermined mapping relationship between the transmission power information and the value of the information related to the PDCCH.

Abstract: Method for supporting device-to-device (D2D) communication by a base station includes: receiving first signals for requesting D2D communication from a plurality of first D2D devices; identifying number of D2D devices which have requested the D2D communication based upon the first signals; allocating resources for transmitting a second signal for requesting D2D communication between the D2D devices based upon number of the plurality of first D2D devices which have been identified; and transmitting information on the allocated resources to the plurality of first D2D devices, wherein the resource allocation can be performed to distinguish combinations of an index of a D2D device, which transmits the second signal, and an index of a D2D device, which receives the second signal, from each other with respect to at least one of time, frequency, code, and space domains with respect to the plurality of first D2D devices.

Abstract: Provided are a method and an apparatus for control channel decoding of a terminal in a multi-node system. The method sets a search space for searching a control channel and can perform the decoding by using different demodulation methods according to aggregation levels capable of constituting the control channel within the search space. In addition, the method determines the DCI format to be searched according to a transmission mode and can use different demodulation methods according to the determined DCI format. Furthermore, the method modulates DCI format to a first modulation degree when demodulating the DCI format, and can demodulate the DCI format to a second modulation degree when the DCI format is not detected.

Abstract: A communication control method in a mobile communication system, comprises: a step A of transmitting, from a first base station, a first synchronization signal at a first frequency band in the center of a particular carrier, the first synchronization signal being for use to establish synchronization; and a step B of transmitting, from the first base station, a second synchronization signal in a second frequency band different from the first frequency band within the particular carrier, the second synchronization signal being for use to establish synchronization.

Abstract: A multilink wireless data transmission device comprises a control module and two or more WLAN clients. The control module is configured to control said WLAN clients to enable the data transmission states of those of the WLAN clients, which are not in an idle state, to be the same. The data transmission states comprise a receiving state and a sending state. The control module is configured to control at least one of the two or more WLAN clients, which need to receive data, to switch to the receiving state when a downlink triggering condition is met. The control module is further configured to control at least one of the two or more WLAN clients, which need to send data, to switch to the sending state when an uplink triggering condition is met.

Abstract: The present invention relates to a wireless communication system, and more particularly, to a method and apparatus for transceiving a downlink control channel. According to one embodiment of the present invention, a method in which a base station transmits a downlink control channel to a terminal in a wireless communication system comprises the steps of: transmitting one or more enhanced-physical downlink control channels (E-PDCCHs) within a resource region allocable for an E-PDCCH; and transmitting E-PDCCH allocation resource information for the one or more E-PDCCHs to the terminal. The E-PDCCH allocation resource information indicates the resource in which the one or more E-PDCCHs exist from among the resource region allocable to the E-PDCCH. An effective physical downlink shared channel (PDSCH) allocation resource region for the terminal can be determined on the basis of the E-PDCCH allocation resource information.

Abstract: To reduce overhead of CSI feedback without decreasing throughput in applying CoMP transmission, a radio communication method of the invention is characterized by including, in a user terminal measuring quality information for each of cells to perform Coordinated Multi-Point transmission, and notifying a radio base station apparatus of the quality information, in the radio base station apparatus calculating a quality difference between the cells to perform Coordinated Multi-Point transmission, by using the quality information for each the cells from the user terminal, determining granularity of inter-cell channel state information for each of the cells based on the quality difference, and notifying the user terminal of the granularity, and, in that the user terminal generating inter-cell channel state information for each of the cells according to the granularity from the radio base station apparatus, and transmitting the inter-cell channel state information for each of the cells to radio base station apparatu

Abstract: To reduce overhead of CSI feedback without decreasing throughput in applying CoMP transmission, a radio communication method of the invention is characterized in that a radio base station apparatus determines so that content of CSI to transmit to a serving cell to perform CoMP transmission as feedback is different from content of CSI to transmit to a coordinated cell as feedback, and notifies a user terminal of the content of CSI, and that the user terminal generates feedback information based on the content of CSI notified from the radio base station apparatus, and transmits the feedback information to radio base station apparatuses of cells that perform Coordinated Multi-Point transmission.

Abstract: The invention relates to methods for determining the interference variability of a precoding matrix set, and the use of same for purposes of scheduling and precoding matrix set selection. The precoding matrix set used by an interferer base station is evaluated by the mobile terminal which experiences the intercell interference from the interferer base station. The mobile terminal is informed about the precoding matrices of the precoding matrix set used by the base station. The mobile terminal measures the radio channel to the interferer cell, and then estimates based on the measured radio channel and with the knowledge on the particular precoding matrices of the precoding matrix set, the interference variability of the precoding matrix set. The interference variability may be reported to the serving base station of the mobile terminal, and thus considered for scheduling decisions by the serving base station referring the mobile terminal.

Abstract: The present invention relates to E-PDCCH (Extended PDCCH) mapping, and a method and an apparatus for transmission and reception in a wireless communication system. The E-PDCCH mapping and the transmission method according to one embodiment of the present description, includes the steps of: enabling a base station to perform distributed resource allocation for two or more regions to which the E-PDCCH is transmitted; and mapping the E-PDCCH to be transmitted to a user terminal by applying a mapping rule to resources of one or more regions among the two or more regions. The mapping rule includes at least one of a first mapping rule for mapping the E-PDCCH to a resource within a pre-indicated region in the terminal, and a second mapping rule for mapping the E-PDCCH according to an aggregation level of the E-PDCCH.

Abstract: The present invention discloses a method for performing device-to-device communication in a wireless access system supporting the device-to-device communication, and an apparatus for same. More specifically, the method comprises the steps of: a first device receiving from a base station resource allocation information for device-to-device communication with a second device; the first device transmitting to the second device an initial signal for device-to-device communication through a resource that is allocated; the first device scanning a response signal which is transmitted from the second terminal; and the first device performing the device-to-device communication with the second device when the first device receives the response signal from the second device, wherein the initial signal comprises a first reference signal for matching synchronization between the first and second devices, and a second reference signal for estimating a channel between the first device and the second device.

Abstract: A communication system includes: a control apparatus that controls packet forwarding; and a mobile communication terminal that communicates with a network including the control apparatus, wherein the mobile communication terminal comprises: a plurality of communication interfaces for wireless communication; a processing unit that processes a packet in accordance with an instruction from the control apparatus; and a control unit that transmits to the network interface information that is information related to the plurality of communication interfaces to notify the control apparatus of the interface information.

Abstract: A method of coordinated scheduling of a downlink transmission flow from a first radio network node to a user equipment UE in a second radio network node. The method includes scheduling the downlink transmission flow so that the in-sequence delivery of the received data blocks can be kept in an acceptable level in the UE by adjusting a scheduling priority of the downlink transmission flow in the second radio network node. The method may further include estimating one or more buffer-related parameters based on buffered data for the downlink transmission flow from the first radio network node, and determining, based on the estimated one or more buffer-related parameter and/or one or more parameters associated with the operation status of the second radio network node, if the in-sequence delivery of the received data blocks to higher layers can be in an acceptable level in the UE.

Abstract: Disclosed are a method and a corresponding apparatus relating to wireless telecommunication systems and more particularly to efficient resource allocation schemes supporting transmission of multiple periodic channel state information (CSI) reports on the physical uplink control channel (PUCCH) during the same subframe while maintaining single carrier properties of the transmitted signal. The method includes determining that at least two reports to be transmitted on an uplink resource collide with respect to the uplink resource, applying at least one resource selection policy to the at least two reports and selecting a resource to be used for transmitting a plurality of the at least two reports.

Abstract: Examples of the present disclosure provide a method for transmitting downlink control information to effectively support the two transmission modes of the E-PDCCH. The base station configures the localized E-PDCCH resource and the distributed E-PDCCH resource. The user terminal detects the DCI in the search space corresponding to the localized E-PDCCH resource and the search space corresponding to the distributed E-PDCCH resource, so as to obtain the downlink control information transmitted by the base station.

Abstract: A communication system, a communication method, a base station apparatus, and a mobile station apparatus capable of improving spectral efficiency even when inter-cell interference is caused between cells of a plurality of base station apparatuses are provided. In a communication system 1 in which a plurality base station apparatuses 100-j are arranged such that the entirety or part of cells of the plurality of base station apparatuses 100-j overlaps with one another, a master base station apparatus 100-1 calculates transmission weighting coefficients Vj of the base station apparatuses 100-j and reception weighting coefficients Uk of mobile station apparatuses 200-k such that directions of equivalent channels of interference signals received by the mobile station apparatuses 200-k connected to the base station apparatuses 100-j become orthogonal to the reception weighting coefficients by which the mobile station apparatuses 200-k multiply their respective reception signals.

Abstract: Provided are a method for searching for a control channel by a terminal in a wireless communication system and a terminal for using the method. The method determines whether an allocation unit constituting an enhanced-physical downlink control channel (E-PDCCH) is one or plural in number; and, if the allocation unit constituting the E-PDCCH is plural in number, searches for the E-PDCCH using a user equipment specific reference signal (URS) of an antenna port defined in one allocation unit from among the plurality of allocation units.

Abstract: In a mobile communication system, a serving base station receives, from at least one neighboring base station, beamforming information including information about a frame period in which data is transmitted using frequency band-specific beamforming, determines, based on the received beamforming information, whether a beamforming transmit mode of the at least one neighboring base station is a nulling mode in which null data is transmitted to at least one of mobile terminals included in a cell of the serving base station, determines whether a response signal received from the at least one mobile terminal is generated by an interference signal of the at least one neighboring base station, if the beamforming transmit mode of the at least one neighboring base station is the nulling mode, and determines whether to update a backoff factor value based on a result of the determination.

Abstract: A method and apparatus for communication in a wireless sensor network. In one embodiment, one or more routers in a network may be available for communication with one or more star nodes at a randomized time and/or frequency. A connectivity assessment, which may be performed at several different frequencies and/or times, may be performed to evaluate the quality of communications between devices in the network. Primary and secondary communication relationships may be formed between devices to provide for system redundancy. One or more proxies may be maintained where each proxy includes a status of one or more devices in the network, e.g., one or more star nodes or routers. Proxies may be used to handle information requests and/or status change requests, e.g., a proxy may be requested to change a communication relationship between devices in the network and may generate command signals to cause the corresponding devices to make the change.

Abstract: Embodiments for boosting coverage of wireless signals are generally described herein. A wireless communication device for boosting coverage of wireless signals may include a processor arranged to configure resource blocks for a sub-frame for transmitting data in a communication session, wherein the sub-frame includes at least one slot formed by a matrix of sub-carriers in the frequency domain and symbols in the time domain and a transceiver, coupled to the processor, the transceiver being arranged to establish communication with entities in a network, the transceiver being further arranged to, under direction of the processor, map modulated symbols to at least a partial resource block to form a coverage boosting resource unit, the coverage boosting resource unit spreading at least one data bit over at least the partial resource block.

Abstract: Methods and systems are described that are suitable for channelization, in particular, but not limited to, the IEEE 80216.m telecommunications standard. For a time-frequency resource, physical sub-carriers for each of one or more zones in the time-frequency resource are assigned to one or more zones having a respective type of transmission. At least one zone is allocated for a type of transmission using localized sub-carriers. The physical sub-carriers assigned to each zone are permuted to map to logical sub-carriers. Groups of resource blocks are formed, in which each resource block includes at least one logical sub-carrier for each of the one or more zones. The information defining the groups of resource blocks for each of the one or more zones can then be transmitted to a user. The information may be in the form of a zone configuration index.

Abstract: Embodiments of the present invention relate to a wireless communication system, and more particularly, to a technology for allocating a Channel State Information-Reference Signal (CSI-RS) in a wireless communication system. Embodiments of the present invention provides an apparatus and method for allocating CSI-RSs to resource areas, in which, under the condition of a subframe in which the CP is an extended CP, and the duplex scheme is TDD, if CSI-RSs for maximum 8 antenna ports are allocated, the CSI-RSs are allocated to the 8th and 9th symbols (symbol No. l=7 and 8), wherein each CSI-RS for every two antenna ports is allocated to the same RE while being discriminated from each other by an orthogonal code and neighbor CSI-RS allocated REs in the frequency axis are spaced by an interval of three REs.

Abstract: A method for establishing multiple radio connections by a user equipment (UE) is described. The method includes establishing a primary radio connection between the UE and a first point on an Evolved Universal Terrestrial Radio Access Network (E-UTRAN). The method also includes receiving a connection control message for a second radio connection with a second point on the E-UTRAN. The method also includes performing a random access procedure for the secondary radio connection in response to receiving the connection control message.

Abstract: A communication network includes at least one mobile terminal and a plurality of home agents to supply communication services to the mobile terminal. In the network, an authentication, authorization and accounting (AAA) platform is configured for reallocating the supply of the communication services to the mobile terminal from a first home agent to a second home agent of the plurality.

Abstract: A communications apparatus includes an RF signal processing device, a baseband signal processing device and a processor. The processor controls operations of the RF signal processing device and the baseband signal processing device, camps on a first cell of a first RAT, receives a mobile terminated (MT) or mobile originated (MO) service request and determines whether performing a RAT change procedure to switch from the first RAT to a second RAT is required. When determining that performing the RAT change procedure is required, the processor directly camps on a target cell of the second RAT and transmits a MT or MO service response for responding the MT or MO service request to the target cell.

Abstract: A method in an electronic device, comprises, in response to an Internet Protocol (IP) voice packetized data call being performed in a first call session of a first communication processor and occurrence of a handover event from the first communication processor to a second communication processor, receiving at least one of, (a) a control message and (b) IP packetized voice data, via the second communication processor. The control message received from the second communication processor is forwarded to the first communication processor.

Abstract: A system may be configured to identify that a user device is connected to a first radio access network (“RAN”), via a first technology; and to identify that the user device is capable of accessing a second RAN, via a second technology. The system may further be configured to instruct the user device to concurrently connect to the second RAN and the first RAN, send or receive a first type of traffic via the first RAN, and send or receive a second type of traffic via the second RAN.

Abstract: A method and system of facilitating the use of AT commands specified for a General Packet Radio Service (GPRS) packet domain in relation to an Evolved Packet System (EPS) packet domain is provided. An embodiment of the present invention comprises defining, in response to an AT command directed to the definition of a secondary Packet Data Protocol (PDP) context, an EPS Service Data Flow (SDF) on the basis of the secondary PDP context.

Abstract: A method is described that is for handing over a multi-mode mobile device from a first network technology to a second network technology. The method includes initiating by the multi-mode mobile device a first packet session in a first wireless network and detecting by a multi-mode mobile device a second wireless network supporting a different access network technology. The method also includes determining a Quality of Service requirement and completing pre-registration session establishment procedures for a second session in the second wireless network when the first session includes at least one of a QoS sensitive service and real time service by the first wireless network and mobile device and after completion of the pre-registration session establishment procedures the multi-mode mobile device receives service from the first wireless network and remains dormant on the second wireless network.

Abstract: A communication method is provided. The communication method includes receiving, by a Mobile Management Entity (MME), information accessed by a User Equipment (UE) through a Relay Node (RN), and sending, by the MME, a Tracing Region Identification (TAI) list of an RN cell where the UE is located to the UE. A network device and an access network device are further provided. By sending a TAI list of an RN cell to the UE, when TAI(s) of the cell are contained in the TAI list of the relatively stationary UE, the UE does not need to initiate an uplink TAU process, and thereby unnecessary signaling and network jamming can be reduced, and at the same time, paging efficiency and network performance can be improved.

Abstract: A method in a network node for improving transmission control protocol, TCP, performance in a cellular network is provided. The network node handles TCP packet transferral between a user equipment and a server in the cellular network. The user equipment and the server are configured to adapt a retransmission timeout setting based on round trip times for performed TCP packet transferrals. When the network node obtains an indication of a handover outage being upcoming for the user equipment, the network node deliberately delays, in a time period preceding the indicated handover outage, a transferal of a TCP packet between the server and the user equipment to increase the round trip time for the TCP packet.

Abstract: The method and the device for supporting group handover are disclosed. The method supporting group handover is provided, which is applied to UE in communication with network via a RN, including: a base station S-DeNB switching RN to a base station T-DeNB; and said S-DeNB switching UE served by said RN to said T-DeNB; wherein the MME serving said RN and the MME serving UE served by said RN are the same. Another embodiment of the present invention further provides a base station supporting group handover, The technical scheme set forth in the present invention can reduce unnecessary signaling procedure, the possibility of network congestion, and can reduce the signaling procedure of handover when group handover occurs, so as to reduce the failure of the handover process and ensure the continuity of service.

Abstract: A communications apparatus includes an RF signal processing device, a baseband signal processing device and a processor. The processor controls operations of the RF signal processing device and the baseband signal processing device, camps on a first cell of a first RAT, receives a predetermined set of system information (SI) from one or more second cells of a second RAT and stores the predetermined set of SI in an SI early-reading database. When performing a RAT change procedure to switch from the first RAT to the second RAT is required, the processor further retrieves the predetermined set of SI of a target cell of the second RAT from the SI early-reading database and performs the RAT change procedure to camp on the target cell based on the retrieved predetermined set of SI.

Abstract: An entity executed in a wireless communication terminal according to the present invention transmits a series of requests to an external server through a first and a second communication network so that selected content can be received being divided between the two communication networks, receives data segments of the selected content transmitted through the two communication networks from the external server according to the series of requests and provides the received data segments to a processing unit intended for playing of content data in order of the data segments, and checks the amount of unprocessed data not yet provided. If the amount of unprocessed data is larger than a predetermined reference value, the entity transmits a series of requests demanding data of the selected content only to the second communication network which is more advantageous for a user form the aspect of cost in using a data service.

Abstract: A method, apparatus, and channel structure for acknowledging assignment messages is provided. The method and apparatus allow for efficient signaling based upon the resources.

Abstract: A scheduling method by a scheduling device, the scheduling method including: receiving a first signal including a plurality of first reference signals from a terminal, the plurality of first reference signals being time multiplexed and having a same frequency, estimating a frequency deviation of the first signal based on the plurality of first reference signals of the first signal, transmitting a second signal to the terminal based on the frequency deviation, the second signal instructing the terminal to transmit a third signal in which the plurality of first reference signals and a second reference signal are time multiplexed in a specified period and have a same frequency.

Abstract: A method and a wireless communication device to overcome a hidden node problem in a BSS. The method includes detecting that transmitting one or more data frames causing one or more nodes of an unsynchronized wireless communication network to become hidden nodes. The wireless communication device that causes the hidden node problem requests a time allocation for transmitting one or more data frames to at least one node of the unsynchronized wireless communication network and to transmit the one or more data frames using an antenna beam forming technique at the allocated time frame.

Abstract: Embodiments of the present invention disclose a method and an apparatus for indicating a transmission time interval. The implementation solutions of the method includes: receiving an access preamble from a user equipment UE, where the access preamble carries a signature; determining whether a cell where the UE is located is configured with an extended acquisition indicator EAI, and sending, on an acquisition indicator channel AICH of an access timeslot corresponding to an access timeslot where the access preamble is received, an acquisition indicator AI corresponding to the signature of the access preamble. Therefore, the problem that the judging condition of EAI configured is always YES is solved; the UE access delay may be reduced; the number of preambles sent by the UE may be reduced; and interference on the uplink may be reduced.

Abstract: A method of associating a client with an access point in a wireless local area network. The access point broadcasts a beacon announcing the existence of the access point. The beacon comprises a field which has a list of client identifiers of acceptable clients from which the access point will accept an association request.

Abstract: A base station providing a cellular access service in a cell coverage includes a wireless module and a controller module. The wireless module performs wireless transmissions and receptions to and from a mobile communication device using a telecommunication technology.