Patent application number | Description | Published |
20100246457 | PRE-CODING/PRE-DECODING METHOD AND APPARATUS FOR DATA TRANSMISSION IN MOBILE COMMUNICATION SYSTEM - 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. | 09-30-2010 |
20100290372 | METHOD FOR MULTIPLE TDD SYSTEMS COEXISTENCE - The method for multiple TDD systems coexistence comprising steps of: a newly deployed system calculating a relative time offset Δt for a corresponding frame; the newly deployed system transmitting uplink and downlink signals based on a time reference information obtained by a summation of the relative time offset Δt and a time reference of an existing system. With the method proposed in present invention, uplink and downlink interference from adjacent frequency bands and from adjacent carriers in the same frequency band can be greatly reduced and a transmission time utility can be guaranteed for a newly deployed system. | 11-18-2010 |
20110053613 | Method of implementing location, method of broadcasting position information of neighbor base station and method of negotiating location capability - A method of implementing the location includes determining the base stations participating in the location and parameters required in the location via the signaling interaction between a mobile station and a serving base station. Afterwards, the mobile station and the base stations participating in the location perform the location measuring according to the determined parameters required in the location; at last, performing the location calculation according to the measuring result of location measuring. | 03-03-2011 |
20110222513 | METHOD FOR POSITIONING MOBILE STATION - A method for positioning a Mobile Station (MS) is provided. The method includes transmitting, by a serving base station of a MS, indication information of a Location Based Services (LBS) zone to the MS receiving, by the MS according to the indication information, a reference signal used for positioning the MS in the LBS zone from a base station of a neighboring cell, wherein the LBS zone is multiplexed with a control information field in N downlink subframes, or with the control information field and a data field in the N downlink subframes, and wherein N is larger than or equal to | 09-15-2011 |
20120009941 | Method and apparatus for providing a location based service - An application method of a Location Based Service-zone (LBS-zone) is capable of implementing instruction and measurement for the LBS-zone. The method includes sending, by a serving Base Station (BS) located by a Mobile Station (MS), an instruction message indicating an LBS-zone exists, to the MS. The method also includes, when the LBS-zone exists, and the MS measures a reference signal sent by a neighbor BS in the LBS-zone, receiving, by the MS, the reference signal in the LBS-zone, which is sent by the neighbor BS and used for locating the MS, according to the instruction message. The method also includes measuring, by the MS, the reference signal, and sending a measurement result to the serving BS. Using embodiments of the invention, the MS may be enabled to obtain information of the LBS-zone accurately, so as to implement normal measurement for the LBS-zone and measurement result feedback. | 01-12-2012 |
20120039307 | METHOD AND APPARATUS FOR PERFORMING CARRIER SWITCHING IN A WIRELESS COMMUNICATION SYSTEM USING MULTI-CARRIERS - A method and an apparatus for performing carrier switching in a wireless communication system using multi-carriers are provided. According to the method, a Mobile Station (MS) transmits a message including information on a time slot occupying status to a Base Station (BS), if a message for instructing to report the information on the time slot occupying status, is received from the BS, receives, from the BS, first information on at least one time slot scheduled by using the information on the time slot occupying status, identifies at least one time slot using the first information, and performs the carrier switching in the identified at least one time slot. | 02-16-2012 |
20120040694 | METHOD, SYSTEM AND DEVICE FOR POSITIONING MOBILE TERMINAL - This invention provides a method, system and device for positioning a mobile terminal. The method includes: instructing, by a serving base station or an upper level relay, measuring a transmission time of a positioning signal with the mobile terminal, and instructing two relays in a serving cell to measure the transmission time of the positioning signal with the mobile terminal; and calculating, by the serving base station or the upper level relay, a position of the mobile terminal according to the transmission time of the positioning signal, the position of the serving base station or the upper level relay and the position of the two relays. The method, system and device provided by the present invention can reduce communication overhead in mobile terminal positioning, and improve the positioning accuracy of mobile terminal positioning. | 02-16-2012 |
20120045021 | TRANSMISSION METHOD AND APPARATUS FOR MULTI-ANTENNA RETRANSMISSION - A transmission method for multi-antenna retransmission is provided, comprising steps of: generating the bits to be transmitted by respective antennas; mapping the bits to be transmitted by the respective antennas into symbols; and multiplying by a constant the vector constituted by the mapped symbols transmitted by multiple antennas, wherein the resulting vector is orthogonal to the matrix constituted by the symbols previously transmitted by multiple antennas, and transmitting the orthogonal symbols. According to the method of the present invention, the remapped symbols transmitted by the respective antennas and the symbols previously transmitted by the respective antennas constitute a matrix that has an orthogonal property. The orthogonal property can be used to effectively detect signals. In addition, the method has a reception algorithm with low complexity and brings about significant performance gains over conventional methods. | 02-23-2012 |
20120195258 | NETWORK REENTRY METHOD AND APPARATUS IN A MOBILE COMMUNICATION SYSTEM - Provided is a network re-entry method and apparatus in a mobile communication system. The network re-entry method includes sending, by a group delegate Mobile Station (MS) among MSs of a group, a ranging code based on a group Identifier (ID) to a Base Station (BS) and receiving, by the MSs, a Ranging-Response (RNG-RSP) message comprising a ranging status for the group from the BS. | 08-02-2012 |
20120281649 | NETWORK ACCESS METHOD AND APPARATUS - A network access method and an apparatus are provided. The Machine to Machine (M2M) terminal in one M2M terminal group determines an access resource according to an identifier of the M2M terminal group which the M2M terminal is a member of, and The M2M terminal of the M2M terminal group uses the determined access resource to conduct network access on behalf of the M2M terminal group. The method and apparatus can ensure that numerous M2M terminals can successfully access the network at the same time. | 11-08-2012 |
20120284406 | NETWORK ACCESSING METHOD - A network accessing method includes selecting a group representative dynamically from each machine to machine (M2M) terminal group, wherein terminals in the M2M terminal group not selected as the group representative serve as group members. The method also includes requesting, by the group representative, network access from a base station, and serving, as a group member automatically after entering an idle state or entering another cell. This enables multiple M2M terminals to access a network at the same time while avoiding network access congestion. | 11-08-2012 |
20120289273 | METHOD AND APPARATUS FOR GENERATING/PARSING RESOURCE ALLOCATION INDICATION MESSAGE - A method, a transmitter and a receiver for generating a resource allocation indication message are provided. The method includes, if M serving zones provide one of at least two service types, mapping each of one of N and N−1 resource units to a resource mapping identity represented by one bit, and generating the resource allocation indication message using at least one resource mapping identity, wherein the resource allocation indication message indicates the allocation of N resource units numbered for M serving zones, wherein the M is an integer equal to or larger than 1, and wherein the N is an integer equal to or larger than M. | 11-15-2012 |