Abstract: The present invention relates to a method by which a terminal transmits/receives data to/from a first base station supporting a first wireless access technology and a second base station supporting a second wireless access technology in a wireless access system supporting multi-radio access technology (multi-RAT), the method comprising: a step for executing an initial network entry process with the first base station; a step for executing a multi-RAT capability negotiation process with the first base station to exchange information needed to access the second base station; a step for executing a scanning process on at least one second base station included in the coverage of the first base station, based on the information received from the first base station through the multi-RAT capability negotiation process; a step for executing an access process with one of the second base stations from said at least one second base station; and a step for simultaneously transmitting/receiving data with the first base st

Abstract: Briefly, in accordance with one or more embodiments, a fixed device performs a cell search to search for one or more cells on a network and determines a transmit power level to communicate with one of the cells of the network. The fixed device sets a frequency of updating the transmit power level for communication with a cell on the network, wherein the frequency of updating the transmit power level is reduced for the fixed device with respect to a mobile device.

Abstract: Aspects of radio access technology searching include apparatus and methods for obtaining relative synchronization information between a first radio access technology and a second radio access technology, and determining a time location of a pilot signal of the second radio access technology based on the relative synchronization information. Further aspects include searching for the pilot signal of the second radio access technology using the determined time location. Other aspects further include determining a measurement gap duration and measurement gap location based on the relative synchronization information so as to encompass a pilot of the second radio access technology.

Abstract: Techniques for assisted network acquisition are described. An apparatus may comprise a wireless transceiver, a processor circuit communicatively coupled to the wireless transceiver, and a memory unit communicatively coupled to the processor circuit, the memory unit to store a network locator application operative on the processor circuit to locate a network for a remote device. The network locator application may comprise a network detector component operative to receive network information for multiple wireless networks via the wireless transceiver, a network selector component operative to select a target network for the remote device from the multiple wireless networks based on the network information, and a network notifier component operative to send network configuration information for the target network to the remote device. Other embodiments are described and claimed.

Abstract: An UpLink (UL) control method and apparatus for in a wireless communication system supporting beamforming are provided. A method of a Mobile Station (MS) for UL control in the wireless communication system supporting the beamforming includes receiving a plurality of DownLink (DL) reference signals from a plurality of Base Station (BS) transmission beams using a plurality of MS reception beams having different directivity, measuring a path loss based on a reception signal strength of each of the plurality of DL reference signals received through different transmission/reception beams, selecting an MS transmission beam for uplink based on the path loss value measured for each of the plurality of DL reference signals, and transmitting a UL signal to a BS using the selected MS transmission beam.

Abstract: Embodiments of the present invention provide a method, an apparatus, and a system for selecting serving nodes for access, where the method includes: obtaining reference signal received parameters of at least two nodes; selecting a downlink serving node from the at least two nodes according to the reference signal received parameter of each node; and sending an uplink signal, so that the downlink serving node selects an uplink serving node from the at least two nodes according to the uplink signal; or, selecting an uplink serving node from the at least two nodes according to the reference signal received parameter of each node, and sending an uplink signal. In the embodiments of the present invention, a user equipment selects a downlink serving node from at least two nodes according to the reference signal received parameter of each node; then the user equipment sends an uplink signal.

Abstract: Disclosed is a method for compensation and restoring of a coverage area, for realizing energy saving and compensation between nodes. The coverage compensation method includes: judging whether or not the trigger condition for starting an energy saving and compensation process is satisfied according to a preset energy saving and compensation strategy; when the trigger condition for starting the energy saving and compensation process is satisfied, one of a first node and a second node carries out an energy saving operation in the energy saving and compensation process while the other node carries out a compensation operation in the energy saving and compensation process; wherein the first node is a compensation node and the second node is an energy saving node, or the first node is an energy saving node and the second node is a compensation node. Further disclosed is a device for implementing the method.

Abstract: Methods and systems are provided for conserving battery charge of a wireless communication device (WCD). A radio access network (RAN) and a WCD communicate with data encoded based on one of two codecs. By default, the RAN and the WCD communicate based on a first codec of the two codecs. Communication based on the first codec provides a high-quality audio signal between the RAN and WCD but uses more battery charge. When the battery charge decreases, the WCD can communicate a low-battery indicator to the RAN. Upon receiving the low-battery indicator, the RAN enables a transcoder configured to convert the data encoded based on the first codec into data encoded based on the second codec. After transcoding, RAN and the WCD communicate with based on the second codec. Communication based on the second codec provides a lower-quality audio signal between the RAN and WCD but uses less battery charge.

Abstract: While an information handling device is in a reduced power state, the information handling device transitions from the reduced power state to a higher power state in response to receiving a message over an established wireless network connection that maintains a presence on a wireless network. In turn, the information handling device processes the message accordingly in the higher power state.

Abstract: In video conferencing over a radio network, the radio equipment is a major power consumer especially in cellular networks such as LTE. In order to reduce the radio power consumption in video conferencing, it is important to introduce an enough radio inactive time. Several types of data buffering and bundling can be employed within a reasonable range of latency that doesn't significantly disrupt the real-time nature of video conferencing. In addition, the data transmission can be synchronized to the data reception in a controlled manner, which can result in an even longer radio inactive time and thus take advantage of radio power saving modes such as LTE C-DRX.

Abstract: A data transfer system may coordinate the transfer of user data and control data using a self-contained data channel without using a separate control channel in a time period between set-up and tear-down of the self-contained data channel. For example, a plurality of data transfer resources may be established in a self-contained data channel between user equipment and a network controller. User data is transferred between the user equipment and the network controller in at least one of the plurality of data transfer resources of the self-contained data channel. Additionally, control data is transferred between the user equipment and the network controller in at least one of the plurality of data transfer resources of the self-contained data channel.

Abstract: A first device includes a physical-layer device, an adjusting module, and a power module. The physical-layer device transmits, during each of first windows, a request signal from the first device to discover one or more network devices. The first windows occur during a first period of time. The physical-layer device receives responses to the request signal from network devices. Each of the responses is received during a respective one of the first windows. The adjusting module, based on the responses to the request signal, determines whether to adjust lengths of second windows or a number of the second windows to occur during a second period of time. The second period of time occurs subsequent to and is a same length as the first period of time. The power module, during each of the second windows, transitions the first device between being powered ON and being at least partially powered OFF.

Abstract: The present invention provides a method and a device for adjusting the sleep mode of a mobile station in order to solve the problem in current multi-hop relay systems of long time delays in data transmission caused when data packets have to wait for the next listening window to reach the mobile station because of packet errors. Wherein, a relay apparatus judges whether the previous hop network apparatus needs to retransmit data packets to the mobile station; when the previous hop network apparatus needs to retransmit data packets to the mobile station, the relay apparatus transmits to the mobile station the adjustment related information for adjusting the sleep mode of the mobile station. The mobile station adjusts the sleep mode according to the adjustment related information. Preferably, the adjustment related information comprises indicating information for indicating that the mobile station is in triggered listening status within predetermined time interval.

Abstract: A method and apparatus of determining whether to disconnect a wireless communication link between a communication device disposed in a vehicle and a mobile device is provided. The method comprises determining whether the communication device is moving or not moving, determining whether the mobile device has exited the proximity of the vehicle, and disconnecting the wireless communication link when the communication device is not moving and the mobile device has exited the proximity of the vehicle.

Abstract: On the mobile communication terminal 100 side, when the VOIP communication application stored in the storage unit 104 is activated in accordance with an instruction from the user (step S101), the application activation judging unit 107a judges that the VOIP communication application has been activated. Upon the judgment, the control unit 107 selects a cycle (for example, 1.152 seconds: code F10) that is shorter than 5.152 seconds, generates an EISP signal based on the selection, and transmits the generated EISP signal to the base station 200 via the transmission unit 102 (step S102). After this, upon receiving an ACK signal, the control unit 107 starts to activate the reception unit 103 at the cycle of 1.152 seconds to receive the report signal at the cycle of 1.152 seconds (step S105).

Abstract: A method and an apparatus for controlling transmit power of a CR device are provided. The method includes acquiring CR environment information regarding a licensed user or an unlicensed user occupying an adjacent channel or an adjacent cell of the CR device; determining a transmit power value of the CR device using the CR environment information; and generating transmit power control information including the transmit power value. The method and apparatus guarantee reliable communication of the CR device and minimize interference with the licensed user.

Abstract: The present invention relates to the field of mobile communication and provides a method, a device and a system for controlling data transmission power of an opposite end, so as to reduce power waste during the transmission of special burst data.

Abstract: Apparatus and methods are provided to enable a ratcheting of uplink transmit power at an access terminal in a wireless communication network, such that the transmit power is maintained between an upper threshold and a lower threshold. Here, the decision whether to ratchet the power may be based on one or both of the open-loop transmit power and/or the closed-loop transmit power. Moreover, the decision whether to ratchet the transmit power may be based on the power per carrier in a multi-carrier wireless communication network. Other aspects, embodiments, and features are also claimed and described.

Abstract: The present invention relates to a power control method, including: obtaining a current main carrier power of a main carrier and a current supplementary carrier power of a supplementary carrier; selecting a reference carrier from the main carrier and the supplementary carrier; calculating a difference between the main carrier power and the supplementary carrier power to obtain a first difference; determining a quantized value corresponding to the first difference by querying a preset configuration parameter table according to the first difference; and determining, according to the power of the reference carrier and the quantized value, a total transmit power for transmitting the main carrier and the supplementary carrier. In the whole process, a power of a previous timeslot does not need to be introduced, therefore, error accumulation can be avoided, thereby reducing a power control error and improving control precision.

Abstract: Disclosed are a method and apparatus for wireless communication by and in a base station (BS) and a user equipment (UE). The method by the UE includes determining a first power for transmitting both first data and control information on a first physical uplink shared channel (PUSCH), determining a second power for transmitting second data on a second PUSCH, reducing the second power if a sum of the determined first power and the determined second power exceeds a predetermined value, and transmitting the first data and the control information on the first PUSCH using the determined first power, and transmitting the second data on the second PUSCH using the reduced second power.

Abstract: A method and apparatus are described including receiving, by a transmitter, a report from an associated client, setting and using a downlink transmit power level responsive to the report for data transmissions to the associated client, determining a downlink data loss rate and adjusting the downlink transmit power level responsive to the downlink data loss rate, wherein said report includes received signal strength, client transmit power level and one of link margin and receiver sensitivity. Also described are a method and apparatus including receiving, by a receiver, a request for a report, transmitting the requested report, receiving an instruction to use an uplink transmit power level, setting and using the uplink transmit power level, determining an uplink data loss rate and adjusting the uplink transmit power level responsive to the uplink data loss rate, wherein said report includes said received signal strength, client transmit power level and one of said link margin and said receiver sensitivity.

Abstract: A controlling node for a cellular communications system, arranged to determine and transmit commands for Transmit Power Control, TPC, to one or more Mobile Terminals, MTs, in at least one cell in the system. The controlling node is arranged to classify an MT as being in one of a number of states, and to use differing methods for determining an MT's TPC command depending on which state the MT is in, so that one method is used for determining TPC commands to an MT in the active state and another method is used for determining TPC commands to an MT in the passive state.

Abstract: An apparatus and method for controlling uplink power considering inter-cell interference based on a cooperation transmission in a wireless communication system are provided.

Abstract: Providing for base station (BS) acquisition in semi-planned or unplanned wireless access networks is described herein. By way of example, a signal preamble can be dynamically allocated to wireless signal resources, such that the preamble is scheduled to different resource(s) across different cycles of the signal. Dynamic allocation can be pseudo-random, based on collision feedback, or determined by a suitable algorithm to mitigate collisions from a dominant interferer. In addition, dynamic scheduling can be particular to a type of BS to significantly reduce collisions from BSs of disparate types. In at least one aspect, a preamble resource can be sub-divided into multiple frequency sub-carrier tiles. Control channel information can be transmitted on each tile of a group of such tiles, further mitigating effects of a dominant interferer on a subset of the tile group.

Abstract: There is provided a communication device including: a communication unit that receives a beacon for a second communication service making secondary usage of a spectrum assigned to a first communication service; and a control unit that controls a transmission power to be used for transmission of a radio signal of the second communication service from the communication unit based on location data included in the beacon and indicating a location of a transmission source node of the beacon and a location of an interfered node interfered by the second communication service.

Abstract: A routing device and a signal transmitting method for a Wireless Local Area Network (WLAN) are provided. The device includes: a radio frequency transmitting module, adapted to: generate radio network signals of the WLAN, and adjust the transmit power of the radio network signals according to power indication information; and an antenna module, adapted to transmit the radio network signals according to the adjusted transmit power. The method includes: generating radio network signals of the WLAN, and adjusting the transmit power of the radio network signals according to power indication information; and transmitting the radio network signals according to the adjusted transmit power. Through the routing device and the signal transmitting method, the radio network signals may be transmitted according to different transmit powers. Therefore, the routing device can meet the requirement for portability, fixed installation, and wide coverage.

Abstract: A method for controlling transmission power by a communication apparatus in a wireless communication system supporting a plurality of component carriers. A total transmission power of a physical uplink shared channel (PUSCH) is calculated for a PUSCH transmission on a first component carrier and a sounding reference symbol (SRS) for a SRS transmission on a second component carrier. The PUSCH transmission is prioritized rather than the SRS transmission if the PUSCH transmission overlaps with the SRS transmission in a time domain and the total transmission power exceeds a maximum transmission power configured for the communication apparatus.

Abstract: A radio frequency module supports multiple carriers includes a carrier generating apparatus, a carrier distributor, a carrier synthesizer, and at least two transmit channel. T carrier generating apparatus is connected to the carrier synthesizer, the carrier synthesizer is connected to the transmit channels, and the carrier distributor is separately connected to the carrier synthesizer and the transmit channels. According to embodiments of the present invention, the carrier distributor distributes a specified transmit channel for the multiple carrier signals according to power load capacity of each transmit channel and a total power of multiple carrier signals that need to be distributed.

Abstract: A method for selecting a transport format in an uplink multiple-input multiple-output system and a related method and a device are used by a user equipment to select a transport format in a case in which the user equipment is in a dual-stream transmission mode of the ULMIMO and inter-stream interference is considered.

Abstract: The present invention relates to a method for a terminal transmitting a sounding reference signal in a wireless communication system. More particularly, the method comprises the steps of: receiving from a network at least one first transmission power offset value of the sounding reference signal for a first cell; deciding transmission power of the sounding reference signal for the first cell, based on transmission power for an uplink data channel for a second cell and the at least one transmission power offset value; and transmitting the sounding reference signal for the first cell to the first cell.

Abstract: A base station clock apparatus, a base station system, and a method for clock synchronization are provided in embodiments of the present invention. The base station clock apparatus includes: a first-standard clock module based on a first standard, configured to generate a first frequency synchronization clock signal, a first phase synchronization signal, and a first system clock signal according to a first external clock signal, where the first system clock signal includes the first frequency synchronization clock signal and the first phase synchronization signal; a second-standard clock module based on a second standard that is different from the first standard, configured to receive the first frequency synchronization clock signal and the first phase synchronization signal from the first-standard clock module, and generate a second system clock signal, where the second system clock signal includes the first frequency synchronization clock signal and the first phase synchronization signal.

Abstract: Provided is a terminal apparatus (1) that is connected to a base-station apparatus (2) by aggregating a plurality of cells. The terminal apparatus groups cells of different frequencies on the basis of a configuration of a transmission timing group which is notified from the base-station apparatus (2), configures a timing reference cell that is used as a reference of an uplink transmission timing of the cells in the group, a group identifier that identifies the group, and a transmission timing timer that indicates available time of the uplink transmission timing of the cells in the group for each group, and releases the configuration of the transmission timing group corresponding to the group in a case where the timing reference cell does not exist in the group due to a modification in a cell on the basis of a modification instruction message which is transmitted from the base-station apparatus (2) and which gives an instruction of changing the cells in the group.

Abstract: A base station transmits control message(s) comprising media access control dedicated parameters. The media access control dedicated parameters comprise a time alignment timer value for a primary cell group and a sequence of at least one element. Each element comprises a time alignment timer value and a cell group index. The time alignment timer value is associated with the cell group identified by the one cell group index. Each time alignment timer value is selected from a finite set of predetermined values.

Abstract: The invention discloses a timing synchronization method in a User Equipment (UE) which is served in a first cell of a first synchronous communication network and also located in a second cell of a second synchronous communication network. The method comprises receiving a message from a communication node of the first network, the message including clock offsets of the first cell and the second cell or timing difference there between, and calculating downlink synchronization of the second cell from downlink synchronization of the first cell and the clock offsets/timing difference.

Abstract: Methods and apparatuses are provided for establishing time alignment by a terminal in a mobile communication system. Information for identifying a preamble on a downlink control channel is received from a base station. The preamble is transmitted to the base station based on the information for identifying the preamble. A response message including timing adjustment information, information for a channel quality indicator (CQI) request, and uplink resource information on a downlink shared channel is received from the base station. The time alignment is established based on the timing adjustment information included in the response message. A CQI is transmitted based on the information for the CQI request and the uplink resource information.

Abstract: Methods and apparatuses are provided for establishing time alignment by a terminal in a mobile communication system. Information for identifying a preamble on a downlink control channel is received from a base station. The preamble is transmitted based on the information for identifying the preamble. A response message including timing adjustment information, information for a channel quality indicator (CQI) request, and an identifier of the terminal is received on a downlink shared channel from the base station. The time alignment is established based on the timing adjustment information included in the response message. A CQI is transmitted based on the information for the CQI request.

Abstract: A method can include detecting at a mobile device controller a communication from a sender to a recipient. One of the sender or the recipient is a mobile device that is registered to operate with a first identity in a mobile network of a service provider and is registered to operate with a second identity in a private network. The method can include determining which identity of the mobile device to employ in response to detecting the communication based on information associated with the communication. The communication can be directed to the recipient using the determined identity.

Abstract: Example methods and apparatus to maintain call continuity are disclosed. A disclosed example apparatus to control a user equipment (UE) mode includes the UE to initiate a tracking area updating (TAU) procedure in an evolved packet system (EPS) mobility management (EMM) connected (EMM_CONNECTED) mode, a state monitor to identify a lack of a voice service in response to the TAU procedure being successful, and a bearer monitor to identify a bearer context, the UE to stay in the EMM_CONNECTED mode until radio bearers associated with the bearer context are released.

Abstract: Example methods, apparatuses, or articles of manufacture are disclosed herein that may be utilized, in whole or in part, to facilitate or support one or more operations or techniques for position estimation via one or more proximate fingerprints for use in or with a mobile communication device.

Abstract: Embodiments herein relate to a method in a wireless device (10) for performing a positioning measurement procedure in a radio communications network, which positioning measurement procedure is performed using at least uplink transmitted signals from the wireless device (10). The wireless device (10) obtains information related to a maximum power reduction applied, or a maximum power reduction expected to be applied on uplink signals transmitted from the wireless device (10), which uplink signals are used for performing at least one positioning measurement. The wireless device (10) further takes the maximum power reduction applied, or the maximum power reduction expected to be applied into account when performing the positioning measurement procedure related to the at least one positioning measurement and/or a radio transmission procedure involving uplink radio signals transmitted by the wireless device (10) to enhance positioning measurement performance of the positioning measurement procedure.

Abstract: Embodiments of the present disclosure provide a method of location information processing and an access network device, the method comprises: when a UE accesses a home network, the access network device acquires identification information and location information of the UE (101); and the access network device sends the identification information and the location information of the UE to a service server (102), such that the service server sends a service message to the UE according to the identification information and the location information of the UE. Embodiments of the present disclosure can avoid the problem that the service server cannot trigger a corresponding service message according to the location information of the UE since the HNB rejects the access of the UEs which are not in an admission list when operating in a close mode, thus improving flexibility and efficiency of a service message transmission.

Abstract: The present invention discloses a data transmission method, base station and terminal. The method comprises: transmitting, in every subframe used for transmitting multimedia broadcast multicast service (MBMS), n transport blocks (TBs) to terminals, and transmitting to the terminals the correspondence between the MBMS corresponding to each TB in the subframe and the TB serial number of each TB in the subframe; wherein n is an integer greater than one, a period of time occupies in every subframe by the TBs corresponding to same MBMS is same, and each TB in the subframe corresponds to a unique TB serial number. The present invention can transmit two or more TBs to terminals in every subframe, and the TBs transmitted in the subframe can correspond to different MBMSs, thereby realizing the transmission of TBs corresponding to a plurality of MBMSs in a subframe and improving the spectrum effectiveness of the data transmission.

Abstract: A process for resolving call collisions in a digital conventional direct mode includes monitoring a direct mode communication channel for transmissions from other direct mode radios in the plurality of direct mode radios. In response to detecting a new call request: identifying a last radio to transmit on the direct mode channel, transmitting a new call request for receipt by the last direct mode radio to transmit, monitoring the direct mode channel for a response from the last radio to transmit, and if a call grant granting the new call request is received from the last radio to transmit, initiating the new direct mode call on the direct mode communication channel. If the call grant is not received, at least temporarily refraining from initiating the new direct mode call.

Abstract: A method for reducing collisions during the initial access by a plurality of mobile-terminal devices to a base station which comprises a control unit, wherein the control unit administers at least one random-access resource, wherein the method contains the following method steps: setting (S1) by the control unit of a priority which specifies which mobile-terminal device is allowed to connect to the at least one random-access resource; broadcast (S2) of the priority by the base station on at least one known channel.

Abstract: An embodiment of the present invention discloses a resource operation method and an apparatus thereof. The method includes: determining whether a conflict exists in the two operations; and if a conflict exists in two operations, implementing conflict coordination on execution of the two operations; wherein one of the two operations is a first operation on a first resource, and the other one of the two operations is a second operation on the first resource or a third operation on a related resource of the first resource. Through the present invention, a possible operation conflict can be discovered in a timely manner during an operation on a resource, thereby avoiding the operation conflict.

Abstract: The present invention aims to provide a resource allocation method in a communication system that can effectively suppress a transmission delay. Provided is a resource allocation system in a communication system which includes a terminal 110 and a base station 100, wherein data is regularly generated at the terminal, the base station allocates a resource to the terminal, and the terminal transmits data by using the resource. The terminal 110 includes a generated traffic monitoring unit 113 that monitors the data and, when a predetermined change occurs in the data, reports it to the base station. The base station 100 includes a resource management unit 102 that determines a resource allocation according to the report from the terminal.

Abstract: Provided is a radio resource management method for device-to-device communication. The resource management method for device-to-device communication includes dividing a plurality of connection identifiers (CIDs) into N (N is a natural number) number of groups, dividing the resources for device-to-device communication into N number of sub-bands corresponding to the N number of groups, and allocating resources by mapping CIDs respectively belonging to the N number of groups to resources of sub-bands respectively corresponding to the groups. Therefore, according to the resource management method, by dividing the whole frequency band into a plurality of sub-bands, a communication range may be extended, a low-power device may be accommodated, granularity of resources may be improved, and flexibility of resource management may be obtained.

Abstract: Time tracking in current communication systems may be traditionally based on common reference signals (CRS). However, in certain communication systems, CRS-based time tracking may be impossible to implement due to an absence of CRS in certain subframes or carriers. CRS-based time tracking may also be inappropriate to implement in certain communication systems such as a coordinated multipoint (CoMP) system where control and data may arrive from different cells, and therefore, a UE may assume a wrong cell for CRS-based time tracking. Accordingly, methods, apparatuses, and computer program products for wireless communication are provided in which additional UE specific reference signals (UE-RS) and/or channel state information reference signals (CSI-RS) are made available to the UE so that the UE may have improved channel estimation and/or time tracking performance.

Abstract: A mobile station apparatus efficiently codes and transmits ACK/NACKs for a plurality of PDSCHs. The mobile station transmits a plurality of ACK/NACKs for transport blocks transmitted by a base station apparatus in a plurality of component carriers to the base station. First and second ACK/NACKs are individually coded, repetition processing is performed on coded bits of the first ACK/NACKs until the number of coded bits of the first ACK/NACKs reaches a first value, the repetition processing is performed on the coded bits of the second ACK/NACKs until the number of coded bits reaches a second value, the coded bits of the first ACK/NACKs and the coded bits of the second ACK/NACKs are concatenated, and the first ACK/NACKs and the second ACK/NACKs are transmitted to the base station apparatus using one physical uplink channel.

Abstract: Systems and methods for controlling sounding reference signal transmission are provided; a user equipment starts transmitting the sounding reference signal in anticipation of uplink data transmission, and then discontinues transmitting the sounding reference signal after completion of uplink data transmission.