Patent application number | Description | Published |
20080250293 | APPARATUS AND METHOD FOR HANDLING DATA ERROR IN DATA TRANSMISSION SYSTEM INCLUDING RELAY STATION - A method and apparatus for handling data error in a data transmission system including a relay station which receives a data from a transmission apparatus and transmits the data to a receiving apparatus is provided. | 10-09-2008 |
20090067364 | APPARATUS AND METHOD FOR DETERMINING TIME TO RESPONSE OF RETRANSMISSION IN A MULTIHOP RELAY WIRELESS COMMUNICATION SYSTEM - A multihop relay wireless communication system is provided. A Base Station (BS) includes a calculator for calculating an ACKnowledge (ACK)/Non ACK (NACK) transmission time of at least one Relay Station (RS) using retransmission parameter values, and a transmitter for transmitting the ACK/NACK transmission time information to the at least one RS. | 03-12-2009 |
20090122746 | APPARATUS AND METHOD FOR ACK CHANNEL TRANSMISSION IN WIRELESS RELAY COMMUNICATION SYSTEM - An apparatus and a method for transmitting ACKnowledge (ACK) channels by a Relay Station (RS) in a wireless communication system are provided. The method includes, when receiving one or more ACK information from one or more lower nodes, checking ACK channel constitution information provided from an upper node, arranging one or more ACK channels to transmit corresponding ACK information according to the ACK channel constitution information by distinguishing ACK information of one or more data scheduled by the upper node and ACK information of one or more retransmission data not scheduled by the upper node, and transmitting the one or more ACK information to the upper node in the arranged ACK channels. | 05-14-2009 |
20090252098 | COMMUNICATION DEVICE AND METHOD USING COOPERATIVE TRANSMISSION AND NETWORK CODING TRANSMISSION SCHEME - A communication device and method using a cooperative transmission and network coding transmission scheme are provided. A mobile station (MS) includes a data receiving unit to receive network coding data transmitted from at least one relay station (RS) and downlink data transmitted from a base station (BS), and a data transmission unit to transmit uplink data to the BS and the at least one RS, wherein the BS transmits the downlink data to the at least one RS. | 10-08-2009 |
20100008288 | COMMUNICATION SYSTEM USING HIERARCHICAL MODULATION SCHEME OR NETWORK CODING SCHEME - A communication system using a hierarchical modulation scheme and/or a network coding scheme is provided. A relay node included in the communication system may generate a relay packet by applying a network coding scheme to a hierarchically modulated source packet and to a destination packet received from a destination node. The relay packet is transmitted to a source node and a destination node, and the source node and the destination node may extract a desired packet from a relay packet. The communication system also may adaptively determine an optimal communication mode. | 01-14-2010 |
20100269006 | APPARATUS AND METHOD FOR TRANSMITTING AND RECEIVING AUTOMATIC REPEAT REQUEST FEEDBACK MESSAGE IN WIRELESS COMMUNICATION SYSTEM - An apparatus and a method for transmitting and receiving an Automatic Repeat reQuest (ARQ) feedback message in a wireless communication system are provided. A method for receiving an ARQ feedback message at a transmitting unit in a wireless communication system includes allocating a fixed-size resource for transmitting an ARQ feedback message, to a receiving unit, the resource being an unsolicited bandwidth, and receiving an ARQ feedback message or a resource request message from the receiving unit over the fixed-size resource allocated. | 10-21-2010 |
20100316007 | APPARATUS AND METHOD FOR SUPPORTING SIMULTANEOUS TRANSMISSION OF PLURAL BROADCAST MANAGEMENT MESSAGES IN A WIRELESS COMMUNICATION SYSTEM - An apparatus and method for supporting simultaneous transmission of a plurality of broadcast management messages in a wireless communication system are provided. A method in a Base Station (BS) for supporting transmission of a broadcast management message in a wireless communication system includes generating one or more broadcast management messages whose transmission is required, and constructing an Advanced-MAP Information Element (A-MAP IE) of a number, which is predefined on the basis of a predefined position within a subframe, as a Broadcast A-MAP IE. Here, the Broadcast A-MAP IE comprises allocation information of a broadcast burst for transmission of the generated one or more broadcast management messages. | 12-16-2010 |
20100329201 | METHOD AND APPARATUS FOR TRANSMITTING PAGING CONTROL INFORMATION IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus for transmitting paging control information in a wireless communication system are provided. A method of operating a Base Station (BS) for paging in a superframe-based wireless communication system includes determining a paging listening interval, determining an interval of at least one or more subframes before the paging listening interval, as a paging control listening interval, and, during the paging control listening interval, broadcasting a paging control message. | 12-30-2010 |
20110007683 | APPARATUS AND METHOD FOR SUPPORTING MULTICAST COMMUNICATION IN BROADBAND WIRELESS ACCESS SYSTEM - An apparatus and a method for supporting multicast communication in a broadband wireless access system are provided. A method of a Mobile Station (MS) for supporting multicast communication in a wireless access system includes acquiring decoding parameters by receiving an Advanced Air Interface Enhanced-Multicast and Broadcast Service configuration (AAI-E-MBS_CFG) message from a Base Station (BS), establishing an E-MBS service flow by sending and receiving AAI Dynamic Service Addition-request/response (AAI_DSA-REQ/RSP) messages to and from the BS, and decoding E-MBS MAP received from the BS through the established E-MBS service flow using the acquired decoding parameters. The E-MBS MAP includes information for decoding multicast bursts. | 01-13-2011 |
20110103270 | APPARATUS AND METHOD FOR CONFIGURING FRAME STRUCTURE IN FDD WIRELESS COMMUNICATION SYSTEM - An apparatus and method for reducing an overhead resulting from an transition gap in a Relay Station (RS) of a Frequency Division Duplex (FDD) wireless communication system are provided. The method includes determining transmission/reception transition time information through a negotiation with an upper node, identifying a signal delay time with the upper node, identifying a first reference time (R_Idle_Time), determining an overhead of a DownLink (DL) frame and an overhead of an UpLink (UL) frame resulting from transmission/reception transition in consideration of at least one of the transition time information, the signal delay time, the first reference time, and a second reference time (Idle_Time), and performing communication based on the overhead of the DL frame and the overhead of the UL frame. | 05-05-2011 |
20110103281 | APPARATUS AND METHOD FOR NEGOTIATING SLEEP CYCLE SETTING BETWEEN BASE STATION AND MOBILE STATION IN WIRELESS COMMUNICATION SYSTEM - An apparatus and method for negotiating sleep cycle setting between a base station and a mobile station in a wireless communication system are provided. A method for operating a transmitter to negotiate sleep cycle setting of a mobile station in a wireless communication system includes transmitting a DSx request message including sleep cycle setting information to a receiver, and receiving a DSx response message, which includes at least one of acceptance/refusal information about DSx and acceptance/refusal information about sleep cycle setting change, from the receiver. Herein, the DSx is one of a Dynamic Service Addition (DSA), a Dynamic Service Change (DSC), and a Dynamic Service Deletion (DSD). | 05-05-2011 |
20110158155 | APPARATUS AND METHOD FOR MANAGING QUALITY OF SERVICE IN BROADBAND WIRELESS COMMUNICATION SYSTEM WITH MULTIPLE HOP RELAY COMMUNICATION - A Relay Station (RS) apparatus and an operation method for managing a Quality of Service (QoS) in a broadband wireless communication system with multi-hop relay communication are provided. The operation method of the RS includes, if generation of a service flow is requested from a Portable Subscriber Station (PSS) accessing the RS, allocating a first downlink IDentifier (ID) corresponding to the service flow to a first tunnel between a Base Station (BS) and the RS, transmitting the first downlink ID to the BS and requesting the BS to establish a second tunnel between the BS and an Access Control Router (ACR) for the service flow, receiving a response to the request of establishing the second tunnel and a first uplink ID corresponding to the service flow and allocated to the first tunnel, and storing the first uplink ID. | 06-30-2011 |
20110161768 | APPARATUS AND METHOD FOR GENERATING MAC PROTOCOL DATA UNIT IN WIRELESS COMMUNICATION SYSTEM - An apparatus and a method for transmitting an Automatic Repeat reQuest (ARQ) block in a wireless communication system are provided. The method for transmitting the ARQ block includes when transmitting the ARQ block to a receiving stage in a Not Sent state, transitioning to an Outstanding state to wait to receive one of an ACK and a NACK for the ARQ block, when receiving the NACK for the ARQ block from the receiving stage in the Outstanding state, transitioning to a Waiting for Retransmission state, when determining to retransmit the ARQ block for the NACK by splitting the ARQ block into at least two ARQ sub-blocks in the Waiting for Retransmission state, transitioning to a Rearrangement state, retransmitting the ARQ block for the NACK by splitting the ARQ block into at least two ARQ sub-blocks in the Rearrangement state, and when receiving an ACK for every ARQ sub-block having the same ARQ Sequence Number (SN) in the Rearrangement state, transitioning to a Done state and finishing transmission of the ARQ block having the ARQ SN. | 06-30-2011 |
20120029721 | METHOD AND APPARATUS FOR CONTROLLING ENERGY SUPPLY - A method and apparatus for controlling energy supply to energy consuming devices are provided. The method includes acquiring a first amount of energy to be used in at least one energy consuming device, determining the amount of energy stored in an energy storage, and optionally transmitting an energy supply request message to an energy supplier based on the amount of energy to be consumed in an energy consuming device and the amount of stored energy. | 02-02-2012 |
20120058764 | APPARATUS AND METHOD FOR SUPPORTING LOCATION UPDATE REGISTRATION PROCESS IN MACHINE TO MACHINE COMMUNICATION SYSTEM - An apparatus and method for supporting a location update registration process used for an idle mode operation of a Mobile Station (MS) in a Machine-to-Machine (M2M) communication are provided. The method includes determining whether a system global location update registration timer is applied to the MS, when it is determined that the global location update registration timer is not applied, determining a timer for updating a location when the MS operates in an idle mode, and transmitting a message including the timer to the MS. | 03-08-2012 |
20120066396 | APPARATUS AND METHOD FOR SUPPORTING PERIODIC MULTICAST TRANSMISSION IN MACHINE TO MACHINE COMMUNICATION SYSTEM - A method and apparatus for effectively transmitting periodically generated group data of a serving group in a Machine to Machine (M2M) communication system are provided. A method includes determining whether a persistent resource for group data of an M2M communication service group is allocated, if the persistent resource is not allocated, configuring the persistent resource for the group data and transmitting allocation information for the persistent resource to at least one Subscriber Station (SS) registered to the service group, and multicasting the group data to the at least one SS by using the persistent resource. | 03-15-2012 |
20120093052 | METHOD AND APPARATUS FOR REDUCING ACCESS OVERHEAD FROM PAGED DEVICE IN MACHINE TO MACHINE COMMUNICATION SYSTEM - An apparatus for an idle mode terminal is configured to perform a method for operating the idle mode terminal in a Machine to Machine (M2M) communication system. A paging message is received from the base station during a paging listening interval. The Apparatus determines whether an indicator indicating receipt of multicast group data is included in the paging message. When the indicator indicating the receiving of multicast group data is included, data transmitted via a downlink resource that uses an identifier mask of a multicast group to which a terminal belongs is received. Thereafter, a paging non-listening interval is entered. | 04-19-2012 |
20120099418 | APPARATUS AND METHOD FOR HANDLING NETWORK LOSS IN A WIRELESS COMMUNICATION SYSTEM - An apparatus and method for handling network loss in a wireless access system includes determining whether network loss has occurred or not and, if a Mobile Station (MS) attempts an entry in which the network loss has occurred, transmitting one of a first message including information associated with prohibiting new entry and a second message including information associated with informing that a supported service is restricted. | 04-26-2012 |
20120178489 | APPARATUS AND METHOD FOR SUPPORTING TIME-CONTROLLED SERVICE IN MACHINE-TO-MACHINE COMMUNICATION SYSTEM - An apparatus and method for supporting a time-controlled service in an M2M communication system is provided. The method includes registering the time-controlled M2M service; establishing a service flow with a Base Station (BS) after registering the time-controlled M2M service; exchanging data with the BS through the established service flow during an access admission time period; and stopping data transmission during an access restriction time period when an access interruption message is received for the established service flow. | 07-12-2012 |
20120225650 | METHOD AND APPARATUS FOR CONTROLLING RELAY STATION MODE OF MOBILE STATION IN A COMMUNICATION SYSTEM - A method and an apparatus for a Mobile Station (MS) to control a Relay Station (RS) mode of the MS in a communication system are provided. The method includes sensing a link loss with a serving Base Station (BS), searching for a neighbor BS for network reentry, transmitting to the neighbor BS an Identifier (ID) of the serving BS and an indication indicating network reentry from coverage loss caused by movement out of a service area of the serving BS are, and operating in the RS mode, upon receipt of an indication commanding switch to the RS mode from the neighbor BS, wherein the RS mode is a mode in which the MS operates as an RS. | 09-06-2012 |
20120225655 | APPARATUS AND METHOD FOR CONTROLLING RELAY MODE OF BASE STATION IN COMMUNICATION SYSTEM - An apparatus and a method for providing a relay service in a Base Station (BS) of a communication system are provided. The method includes detecting a communication state with a backhaul of the communication system, transmitting backhaul error occurrence information to at least one Mobile Station (MS) located in a service coverage area when communication with the backhaul is interrupted, selecting a neighbor BS from among one or more neighbor BSs as a target BS, and providing a relay service by connecting with the target BS. | 09-06-2012 |
20120307748 | METHOD AND APPARATUS FOR WIRELESS COMMUNICATION ON MULTIPLE SPECTRUM BANDS - A method and apparatus for simultaneously communicating on at least two carrier frequencies, of which at least one carrier frequency is a licensed band and at least one carrier frequency is an unlicensed band are provided. The method includes broadcasting an operating status of the unlicensed band to a receiver device; collecting feedback data regarding channel conditions from the receiver device for both the licensed band and unlicensed band; determining, when a bandwidth request is received from the receiver device, whether to use the unlicensed band based on the channel conditions; transmitting an unlicensed band scheduling indication to the receiver device; and communicating with the receiver device using both the licensed band and the unlicensed band according to the transmitted unlicensed band scheduling indication. | 12-06-2012 |
20130003972 | APPARATUS, METHOD AND SYSTEM FOR CREATING AND MAINTAINING MULTICAST DATA ENCRYPTION KEY IN MACHINE TO MACHINE COMMUNICATION SYSTEM - A wireless communication system includes a system and method for encryption of multicast data between a subscriber station and a base station that communicate a multicast service in a Machine-To-Machine (M2M) communication system. An M2M service controller manages the multicast service manages information for encrypting the multicast data and provides the information to the subscriber station and the base station. | 01-03-2013 |
20130017836 | APPARATUS AND METHOD FOR BEAM LOCKING IN A WIRELESS COMMUNICATION SYSTEMAANM Chang; Young-BinAACI Anyang-siAACO KRAAGP Chang; Young-Bin Anyang-si KRAANM Taori; RakeshAACI Suwon-siAACO KRAAGP Taori; Rakesh Suwon-si KR - According to one embodiment, an apparatus for beamforming includes a detector for measuring at least one change of movement and rotation of an apparatus; and a calculator for determining a beamforming parameter for aligning a beam direction with another apparatus by compensating for the change of the beam direction according to at least one of the movement and the rotation. | 01-17-2013 |
20130040682 | APPARATUS AND METHOD FOR BEAM LOCKING IN WIRELESS COMMUNICATION SYSTEM - To retain a beam direction of beamforming in a wireless communication system, an apparatus for the beamforming includes a detector for measuring change of at least one of a movement and a motion of the apparatus; and a processor for determining a beam control parameter for aligning a beam direction with a counterpart apparatus by compensating for the change of the beam direction according to at least one of the movement and the motion. | 02-14-2013 |
20130143583 | APPARATUS AND METHOD FOR PERFORMING SAFE COMMUNICATION IN WIRELESS COMMUNICATION SYSTEM - A base station, a wireless terminal and a communication method of a wireless communication system are provided. The base station includes a receiver for receiving a signal from a wireless terminal or another base station, a transmitter for transmitting a signal to the wireless terminal or the another base station, and a controller for generating resource scheduling or control information for communication of the wireless terminal in a cell including at least two base stations included in a moving path of the wireless terminal and for transmitting the generated resource scheduling or control information to the wireless terminal and at least one of the base stations included in the cell. | 06-06-2013 |
20130178219 | METHOD AND APPARATUS FOR PROVIDING COMMUNICATION SERVICE TO MOBILE STATION BY MULTIPLE BASE STATIONS IN COOPERATION IN WIRELESS COMMUNICATION SYSTEM - A method and an apparatus for providing a service to a Mobile Station (MS) by a plurality of Base Stations (BSs) operating in cooperation in a wireless communication system are provided. The method includes configuring, by a master BS, a first cooperative cell including at least one slave BS, sending a resource request message for requesting resource allocation to the at least one slave BS included in the first cooperative cell, receiving, from each of the at least one slave BS, a resource request response message including resource approval control results for the resource allocation request, changing member BSs constituting the first cooperative cell based on the resource request response message, and allocating resources to an MS that is served in the first cooperative cell. | 07-11-2013 |
20130183969 | APPARATUS AND METHOD FOR SUPPORTING LOCATION UPDATE REGISTRATION PROCESS IN MACHINE TO MACHINE COMMUNICATION SYSTEM - An apparatus and method for supporting a location update registration process used for an idle mode operation of a Mobile Station (MS) in a Machine-to-Machine (M2M) communication are provided. The method includes determining whether a system global location update registration timer is applied to the MS, when it is determined that the global location update registration timer is not applied, determining a timer for updating a location when the MS operates in an idle mode, and transmitting a message including the timer to the MS. | 07-18-2013 |
20130188575 | METHOD AND APPARATUS FOR PERFORMING HYBRID AUTOMATIC REPEAT REQUEST OPERATION IN A COMMUNICATION SYSTEM - A Hybrid Automatic Repeat reQuest (HARQ) method and an apparatus in a communication system are provided. The method includes receiving, by a Subscriber Station (SS), first data from at least one first member Base Station (BS) among member BSs of a cooperative cell, when the cooperative cell is configured with the member BSs to provide a communication service to the SS, generating a response signal indicating a reception result of the first data, and transmitting the response signal to at least one predefined second member BS from among the member BSs. The member BSs include a master BS for controlling communication of the member BSs and at least one slave BS for communicating with the SS under the control of the master BS. | 07-25-2013 |
20130195042 | METHOD AND SYSTEM FOR PROVIDING SERVICE IN A WIRELESS COMMUNICATION SYSTEM - A method and an apparatus for providing a service in a next-generation wireless communication system are provided. The method includes transmitting, upon recognizing an initial access by a Subscriber Station (SS), resource allocation information indicating resources allocated for channel quality reports by the SS to the SS by a master Base Station (BS) serving the SS, determining at least one slave BS that serves the SS and constitutes a first cloud cell, using the channel quality reports received from the SS, and exchanging data with the SS together with the at least one slave BS. | 08-01-2013 |
20130229307 | APPARATUS AND METHOD FOR CONTROLLING ADAPTIVE BEAMFORMING GAIN IN WIRELESS COMMUNICATION SYSTEM - An apparatus and a method for controlling a beamforming gain in a wireless communication system are provided. The method includes determining whether to control a beamforming gain, controlling the beamforming gain via change of a beam width if it is determined to control the beamforming gain, and transmitting or receiving a signal according to the controlled beamforming gain. | 09-05-2013 |
20130242907 | METHOD AND SYSTEM FOR HANDLING UPLINK RESOURCE REQUEST IN WIRELESS COMMUNICATION SYSTEM - A method for handling an UpLink (UL) resource request in a master Base Station (BS) exchanging data with a plurality of BSs in a communication system is provided. The method includes receiving UL resource request information from at least one slave BS in a cooperative cell, determining scheduled UL resource allocation information indicating information about resources for transmitting UL data, based on the UL resource request information, and delivering the scheduled UL resource allocation information to a Subscriber Station (SS) and the at least one slave BS. The UL resource request information may be generated depending on a UL resource request of the SS. | 09-19-2013 |
20130258974 | METHOD AND APPARATUS FOR CONFIGURING COOPERATIVE CELL IN WIRELESS COMMUNICATION SYSTEM - A method for configuring a cooperative cell by a master Base Station (BS) in a wireless communication system is provided. The method includes instructing a Mobile Station (MS) and adjacent BSs to measure channels, receiving channel measurement results from the MS and the adjacent BSs, and determining at least one BS constituting a cooperative cell according to the channel measurement results. The at least one BS constituting the cooperative cell provides one of an UpLink (UL) service and a DownLink (DL) service to a same MS. | 10-03-2013 |
20130322293 | APPARATUS FOR POINT-TO-MULTI POINT COMMUNICATION IN COMMUNICATION SYSTEM AND METHOD THEREOF - An apparatus and a method for performing a point-to-multi point communication in a communication system are provided. The apparatus includes a base station configured to receive and transmit at least one of data on a mobile station, control information of the mobile station, schedule information on the mobile station, and control information on a communication link with at least one base station with respect to at least one base station in which a communication link is not set up through a core network. The base station services at least one mobile station at the same time together with a base station in which a communication link is set up through a core network. | 12-05-2013 |
20130322367 | APPARATUS AND METHOD FOR PERFORMING NETWORK ENTRY PROCEDURE IN CLOUD CELL COMMUNICATION SYSTEM - A method for performing a network entry procedure by a Mobile Station (MS) in a cloud cell communication system is provided. The method includes determining whether there is an arbitrary cloud cell member candidate Base Station (BS) as a cloud cell member candidate BS which has transmitted a downlink synchronization signal with a signal strength, if there is the arbitrary cloud cell member candidate BS, determining the arbitrary cloud cell member candidate BS as a final cloud cell member candidate BS which will perform a cooperative communication with the master BS, transmitting an access request message including information on the final cloud cell member candidate BS to the master BS, and receiving an access response message including information on a cloud cell member BS from the master BS. | 12-05-2013 |
20140004897 | APPARATUS AND METHOD FOR OPERATING RESOURCES IN COMMUNICATION SYSTEM | 01-02-2014 |
20140023040 | APPARATUS AND METHOD FOR SCHEDULING DATA IN CLOUD CELL COMMUNICATION SYSTEM - A method for scheduling data by a new master Base Station (BS) in a cloud cell communication system is provided. The method includes detecting that a master BS for a specific Mobile Station (MS) is changed from an old master BS to a new master BS, before a tunnel which is established between the new master BS and an access gateway is activated, receiving MS data which the old master BS receives through the tunnel which is established between the old master BS and the access gateway and buffers from the old master BS, and scheduling the received MS data. | 01-23-2014 |
20140029531 | RESOURCE ALLOCATION METHOD AND APPARATUS FOR COOPERATIVE TRANSMISSION OF BASE STATIONS IN WIRELESS COMMUNICATION SYSTEM - A resource allocation method and apparatus whereby a master base station of a virtual cell having at least one slave base station for cooperative resource allocation to a mobile station in a wireless communication system are provided. The resource allocation method includes transmitting, to the slave base station, a resource allocation request message including information on the resource to be allocated to the mobile station, receiving a resource allocation response message including one of accept and reject indications to the resource allocation request from the slave base station, transmitting, to the mobile station, a resource allocation information including a result of resource allocation negotiation with the slave base station, and transmitting data to the mobile station in cooperation with the slave base station based on the resource allocation information. | 01-30-2014 |
20140071943 | APPARATUS AND METHOD FOR PROVIDING COOPERATIVE COMMUNICATION SERVICE BETWEEN MACRO BASE STATION AND SMALL CELL BASE STATION IN MOBILE COMMUNICATION SYSTEM - A method for providing a cooperative communication service by a macro Base Station (BS) in a mobile communication system is provided. The method includes generating at least one small cell BS group by grouping small cell BSs if there are small cell BSs of which a number is equal to or larger than a threshold small cell BS number within a service coverage of the macro BS, establishing a cooperative interface with a representative small cell BS among small cell BSs included in the at least one small cell BS group, and providing a cooperative communication service with the at least one small cell BS group using the cooperative interface. | 03-13-2014 |
20140073331 | APPARATUS AND METHOD FOR MANAGING RESOURCE BETWEEN MACRO BASE STATION AND SMALL CELL BASE STATION IN MOBILE COMMUNICATION SYSTEM - A method for allocating a resource by a Mobile Station (MS) in a mobile communication system includes performing a measurement operation and a measurement report operation; and being allocated a resource from a small cell Base Station (BS) or a macro BS based on a neighbor small cell BS change probability and a neighbor small cell BS list, wherein the neighbor small cell BS list includes information on neighbor small cell BSs, and the neighbor small cell BSs are neighbor small cell BSs of which received signal strengths for reference signals measured by the MS are equal to or greater than a threshold received signal strength, and wherein the neighbor small cell BS change probability is determined using a neighbor small cell BS list which is generated at a current timing point and a neighbor small cell BS list which is generated at a previous timing point. | 03-13-2014 |
20140087750 | APPARATUS AND METHOD FOR SETTING UP RADIO FRONT HAUL LINK IN COOPERATIVE COMMUNICATION SYSTEM - A method for setting up a radio front haul link by a serving Base Station (BS) in a cooperative communication system is provided. The method includes receiving a measurement result report message including a measurement result for each of a serving BS and neighbor BSs, determining at least one neighbor BS with which the serving BS will set up a radio front haul link according to the measurement result for each of the serving BS and the neighbor BSs, and performing a radio front haul link set up operation with the at least one neighbor BS. | 03-27-2014 |
20140112228 | METHOD AND APPARATUS FOR REDUCING POWER CONSUMPTION OF BASE STATION IN RADIO COMMUNICATION SYSTEM - A method for reducing power consumption of a macro Base Station (BS) in a radio communication system is provided. The method includes transmitting a preamble through at least one mini BS installed within a service coverage area of the macro BS, and transmitting a power-off command to the at least one mini BS after being switched into a power-on state, upon reception of access request information through the at least one mini BS from a terminal that received the preamble. | 04-24-2014 |
20140185435 | APPARATUS AND METHOD FOR SUPPORTING MOBILITY OF MOBILE STATION IN WIRELESS COMMUNICATION SYSTEM - A Mobile Station (MS) in a wireless communication system is provided. The MS includes, generating a message for requesting to generate a service flow, the message comprising mobility management information of the service flow, and transmitting the message comprising the mobility management information. The mobility management information is used to determine whether the service flow requires an anchor. | 07-03-2014 |
20140287769 | METHOD AND APPARATUS FOR PERFORMING COMMUNICATION IN WIRELESS COMMUNICATION SYSTEM - A method for performing communication by a cellular base station in a wireless communication system is provided. The method includes performing channel contention for occupying a channel of an unlicensed band, if the channel of the unlicensed band is occupied, the cellular base station transmits a first message including information about a time period in which the channel of the unlicensed band is usable, to at least one first User Equipment (UE) that performs communication in the channel of the unlicensed band using a first communication scheme, and communicating with a second UE using a second communication scheme different from the first communication scheme in the channel of the unlicensed band during a time period corresponding to the time period information. The second communication scheme corresponds to a cellular communication scheme, and the first message is transmitted to the at least one first UE based on the first communication scheme. | 09-25-2014 |