Patent application number | Description | Published |
20080207193 | APPARATUS AND METHOD FOR TRANSMITTING AND RECEIVING CONTROL INFORMATION IN MULTI-HOP RELAY BROADBAND WIRELESS COMMUNICATION SYSTEM - An apparatus and method for transmitting control information to a Relay Station (RS) in a multi-hop relay broadband wireless communication system is disclosed. The apparatus includes a generator, a controller, and a communication unit. The generator generates control information to be transmitted to a lower RS. The controller controls and transmits the control information during a first relay link transmission interval among at least one relay link transmission interval distributed within a frame. The communication unit transmits the control information to the lower RS. | 08-28-2008 |
20080209299 | APPARATUS AND METHOD FOR RETRANSMITTING REQUEST IN WIRELESS RELAY COMMUNICATION SYSTEM - Data retransmission apparatus and method in a wireless relay communication system are provided. It is checked whether an Acknowledgement (ACK) message or a Negative ACK (NACK) message for data is received from a Relay Station (RS), which receives the data from a Mobile Station (MS). Scheduling information for transmitting the data is transmitted to the RS, when the ACK message is received from the RS. Errors are checked for in of the data, when the data is received from the RS. The RS is requested to retransmit the data, when the data has an error. Accordingly, since the RS retransmits only the error-free data to the BS, the BS can enhance the data reliability. | 08-28-2008 |
20080209301 | APPARATUS AND METHOD FOR TRANSMITTING CONTROL MESSAGE IN A WIRELESS COMMUNICATION SYSTEM USING RELAYING - An apparatus and method for transmitting an ACK/NACK message from an RS in a wireless communication system using relaying is disclosed, in which the RS checks scheduling information for data transmission from a lower node, receives data from the lower node according to the scheduling information, checks errors in the data, generates error report information indicating whether the data has errors, and transmits the error report information to an upper node. | 08-28-2008 |
20080212516 | Appartus and method for negotiating frame offset between base station and relay station in broadband wireless communication system using multi-hop relay scheme - Provided are an apparatus and method for negotiating a frame offset between a Base Station (BS) and a Relay Station (RS) in a wireless communication system using a multi-hop relay scheme. A communication method of a superordinate station includes, upon detecting an initial access of an relay station, determining an offset value between a frame number used in the superordinate station and a frame number to be used in the relay station; generating a message including RS frame offset information corresponding to the offset value; and transmitting the generated message to the relay station. Accordingly, since the base station and the relay station share the frame offset, the base station can transmit a specific broadcast message in advance to the relay station by considering the frame offset, and the relay station can transmit data, which has to be transmitted in synchronization with the base station at the same time point or at the same frame number, to a Mobile Station (MS) at an exact time point. | 09-04-2008 |
20080219205 | APPARATUS AND METHOD FOR RELEASING MOBILE STATION INFORMATION IN WIRELESS ACCESS COMMUNICATION SYSTEM USING MULTI-HOP RELAY SCHEME - Disclosed is an apparatus and method for releasing MS information in a wireless access communication system using a multi-hop relay scheme. In a method for a communication operation of a BS, when a data transmission path of an MS changes, one or more RSs from which information about the MS is to be removed are determined. Thereafter, a path removal message is generated and the path removal message is transmitted to the one or more RSs. | 09-11-2008 |
20080232319 | SYSTEM AND METHOD FOR TRANSMITTING/RECEIVING RESOURCE ALLOCATION INFORMATION IN A WIRELESS MOBILE COMMUNICATION SYSTEM - A system for transmitting/receiving resource allocation information in a wireless mobile communication system is provided. A transmission apparatus allocates a data burst in a frame, the data burst including a two-dimensional region of a time domain and a frequency domain, and transmits resource allocation information on the allocated data burst. A reception apparatus receives the resource allocation information from the transmission apparatus, and detects a region of the frame where the data burst is allocated, using the received resource allocation information. The resource allocation information includes information on a start point and an end point of the data burst. The start point indicates a point which is spaced apart from an start point of the frame by a first offset value in the time domain, and is spaced apart from the start point of the frame by a second offset value in the frequency domain. The end point indicates a point which is spaced apart from the start point by a third offset value in the time domain, and is spaced apart from the start point by a fourth offset value in the frequency domain. The data burst is a two-dimensional rectangular region having a diagonal line segment connecting the start point to the end point. | 09-25-2008 |
20080240014 | APPARATUS AND METHOD FOR ASYNCHRONOUS CONTROL MESSAGE TRANSMISSION FOR DATA RETRANSMISSION IN WIRELESS RELAY COMMUNICATION SYSTEM - An apparatus and a method for data retransmission in a multihop relay wireless communication system are provided. The retransmission method includes determining whether an error is detected in data received from an upper node; generating a message indicative of the data error; and sending the message to the upper node at a time that is not appointed with the upper node. Therefore, it is possible to reduce a retransmission delay time that occurs during synchronous retransmission. | 10-02-2008 |
20080242340 | Method for supporting fast base station switching in a wireless communication system using multiple frequency bands - A method for performing fast base station switching in an mobile station capable of using multiple frequency assignments in a wireless communication system are provided, in which initial network entry to a base station managing at least two frequency assignments is performed in one of the at least two frequency assignments, overlay mode support information and FA information about the at least two frequency assignments are acquired by the initial network entry, the overlay mode support information indicating whether the base station supports multiple frequency assignments, the base station is notified that the mobile station will operate in an overlay mode using multiple frequency assignments based on the acquired information, and signals are transmitted and received to and from the base station in the at least two frequency assignments. | 10-02-2008 |
20080248793 | APPARATUS AND METHOD FOR DATA RETRANSMISSION IN MULTIHOP RELAY WIRELESS COMMUNICATION SYSTEM - An apparatus and a method for sending a control message for retransmission in a multihop relay wireless communication system are provided. Data received from a lower node is checked for errors. The data is transmitted to an upper node, when the data has no errors. When two or more messages, which include at least one of Acknowledgement (ACK) messages and Negative ACK (NACK) messages in response to a data reception are received from one or more lower nodes, the two or more messages are transmitted to the upper node at the same time. Accordingly, the RS can transmit the control messages for the ARQ provided from the lower nodes, to the upper node at the same time. | 10-09-2008 |
20080293422 | SYSTEM AND METHOD FOR UPDATING A SLEEP ID OF A MOBILE STATION IN A BWA COMMUNICATION SYSTEM - A system and method for updating a sleep identifier (SLPID) of a mobile station (MS) in a broadband wireless access (BWA) communication system having a sleep mode in which there is no transmission data and an awake mode in which there is transmission data. Upon recognizing a need to update an SLPID allocated to an MS in the sleep mode in the initial phase of the sleep mode, a base station (BS) reallocates a new SLPID to be allocated to the MS and transmits SLPID update information to the MS. Upon receiving the SLPID update information for its current SLPID during the sleep mode, the MS updates its current SLPID with the reallocated SLPID according to the received update information. | 11-27-2008 |
20080305798 | HANDOVER METHOD IN A WIRELESS MOBILE COMMUNICATION SYSTEM AND A SYSTEM THEREFOR - A handover method of a mobile station in a wireless mobile communication system and a system therefore are provided. The mobile station transmits a handover indication message to a serving base station, receives a ranging response message that comprises authentication information required for the mobile station to authenticate a target base station, receives fast ranging resources and transmits a ranging response acknowledgement (ACK) message, which comprises authentication information required for the target base station to authenticate the mobile station, to the target base station after receiving the fast ranging resources. Accordingly, a handover break time is minimized. | 12-11-2008 |
20090011705 | DATA TRANSMISSION SYSTEM FOR ASYNCHRONOUS TRANSMITTING DATA AND MAP INFORMATION - A relay including a receiver to receive from a base station, data, a first data frame, and a second data frame, the first data frame includes data and data transmission time information associated with the data, and the second data frame includes map information corresponding to the data and map information transmission time information associated with the map information; a data frame computation unit to compute a third data frame and a fourth data frame, wherein the third data frame is used to transmit the data to a terminal and the fourth data frame is used to transmit the map information to the terminal; and a transmitter to transmit the data to the terminal using the map information when the third data frame is the same as the fourth data frame. | 01-08-2009 |
20090011784 | APPARATUS AND METHOD FOR PROCESSING TRANSMISSION INFORMATION OF BROADCAST MESSAGE CONSTITUTED BY RELAY STATION (RS) IN MULTIHOP RELAY BROADBAND WIRELESS ACCESS (BWA) COMMUNICATION SYSTEM - An apparatus and a method for processing transmission information of a broadcast message constituted by a Relay Station (RS) in a multihop relay Broadband Wireless Access (BWA) communication system are provided. A communication method of the RS includes composing a message to be sent to a Mobile Station (MS); transmitting a scheduling request message which includes information required to schedule the composed message, to a Base Station (BS); and receiving an allocation message which includes information to transmit the composed message, from the BS in response to the scheduling request message. | 01-08-2009 |
20090022082 | RELAY FOR DETECTING ERROR IN ASYNCHRONOUSLY RECEIVED DATA AND MAP INFORMATION - A relay to transmit data received from a transmitter to a receiver includes a reception unit to receive a first data frame including first data and a second data frame including first MAP information transmitted from a transmitter, and a determination unit to determine whether the received first data and first MAP information correspond to each other, and to determine that the reception unit has failed to receive second MAP information corresponding to the first data and second data corresponding to the first MAP information when the received first data and the first MAP information do not correspond to each other. | 01-22-2009 |
20090054066 | HANDOVER SYSTEM AND METHOD IN A WIRELESS MOBILE COMMUNICATION SYSTEM - A handover method of a Mobile Station (MS) and a wireless mobile communication system are provided. The handover method includes sending a handover request message to a Serving Base Station (BS), receiving a handover response message including handover Target BS information and an entire Cipher-based Message Authentication Code (CMAC) value corresponding to a first number of bits, from the Serving BS in response to the handover request message, storing a partial CMAC value corresponding to a second number of Most Significant Bit (MSB) bits in the entire CMAC value, sending to the Serving BS a handover indication message including the entire CMAC value and information on a Target BS to which the MS has determined to handover, selecting a ranging code using the partial CMAC value, and sending the selected ranging code to the Target BS. | 02-26-2009 |
20090068944 | APPARATUS AND METHOD FOR ALLOCATING A DEDICATED ACCESS ZONE TO RELAY STATION (RS) IN BROADBAND WIRELESS ACCESS (BWA) COMMUNICATION SYSTEM - An apparatus and a method for allocating a dedicated access zone to a Relay Station (RS) in a multihop relay Broadband Wireless Access (BWA) communication system are provided. A communicating method of the RS includes relaying communications between a Base Station (BS) and a Mobile Station (MS), determining whether a dedicated resource is necessary for the communications with the MS, when the dedicated resource is necessary, generating a dedicated access zone request message which comprises necessary bandwidth information and transmitting the dedicated access zone request message to the BS. | 03-12-2009 |
20090186594 | SYSTEM AND METHOD FOR PROVIDING AN EMERGENCY SERVICE IN A COMMUNICATION SYSTEM - A system and method for providing an emergency service in a communication system are provided. The method includes transmitting a request message for requesting connection setup for service provision from a first station to a second station, the request message including a first indicator indicating an emergency service; receiving a response message in response to the request message by the first station from the second station, the response message including service flow connection information for provision of the emergency service and a second indicator indicating that it is a response to the request message, acquiring the service flow connection information from the response message and transmitting a message acknowledging acquisition of the service flow connection information to the second station, and setting a connection for providing the emergency service. | 07-23-2009 |
20090186595 | SYSTEM AND METHOD FOR PROVIDING AN EMERGENCY SERVICE IN A COMMUNICATION SYSTEM - A system and method for providing an emergency service in a communication system is provided. A method for providing an emergency service by an idle mode Mobile Station (MS) in a communication system includes receiving, from a Base Station (BS), a broadcast message including information on a time duration in which an emergency service message will be transmitted after waking up at a start timing point of a paging listening interval, transitioning into an idle state when a start timing point of the time duration in which the emergency service message will be transmitted is later than a timing point at which the paging listening interval is terminated, and waking up at the start timing point of the time duration in which the emergency service message will be transmitted after transitioning into the idle state. | 07-23-2009 |
20090221290 | System and method for transmitting and receiving a signal using multiple frequency bands in a wireless communication system - Disclosed is a system and a method of signal transmission/reception by a mobile station in a wireless communication system. The method includes: transmitting a first sub-band preparation indicator, which indicates that the mobile station has been prepared for transmission/reception of a signal through a first sub-band, to a base station through a primary band; transmitting a first sub-band failure indicator to the base station through the primary band upon detecting failure in transmitting the first sub-band preparation indicator; receiving sub-band information on a second sub-band, which is different from the first sub-band, from the BS through the primary band; and acquiring synchronization with the second sub-band, so as to enable transmission/reception of a signal through the second sub-band based on the sub-band information. | 09-03-2009 |
20090232044 | APPARATUS AND METHOD FOR RETRANSMITTING OF DATA IN A WIRELESS COMMUNICATION SYSTEM USING RELAY - An apparatus and method for retransmitting of data in a wireless communication system are provided. The method includes transmitting data to at least one lower node, temporarily storing the data transmitted to the lower node, if ACKnowledgement (ACK) information of a relay link is not received for a predetermined time after data transmission or if the ACK information of the relay link is received from a lower Relay Station (RS), identifying if error occurrence information of an access link is received from the lower RS, and, if the ACK information of the access link is received from the lower RS, recognizing that data transmission to a Mobile Station (MS) succeeds. | 09-17-2009 |
20090232081 | SYSTEM AND METHOD FOR TRANSMITTING AND RECEIVING A TRAFFIC INDICATION MESSAGE IN A BROADBAND WIRELESS ACCESS COMMUNICATION SYSTEM - A system and method for transmitting a traffic indication message in a Broadband Wireless Access communication system. A base station (BS) transmits the traffic indication message to mobile subscriber stations (MSSs). The traffic indication message includes information on a number of MSS groups and information on a number of traffic indication indexes, each of the MSS groups includes a predetermined number of MSSs, and each of the traffic indication indexes is assigned to each of the MSS groups, and includes a bitmap including a predetermined number of bits. The predetermined number of bits is identical to the number of the MSSs included in each of the MSS groups, each of the predetermined number of the bits is assigned to each of the MSSs included in each of the MSS groups, and represents operation instruction information for each of the MSSs. | 09-17-2009 |
20090252081 | APPARATUS AND METHOD FOR SUPPORTING VARIOUS SYSTEMS IN A MULTIHOP RELAY BROADBAND WIRELESS COMMUNICATION SYSTEM - A mobile station compliant with a legacy system and a mobile station compliant with a new system are both supported in a multihop relay broadband wireless communication system. A DownLink (DL) period of the Base Station (BS) includes a legacy zone for communicating with entities of a legacy system and a new zone for communicating with entities of a new system. Operations of the BS include transmitting DL data to entities of the legacy system via the legacy zone, and transmitting DL data to entities of the new system via the new zone which follows the legacy zone in a time axis. | 10-08-2009 |
20090252082 | APPARATUS AND METHOD FOR SUPPORTING HETEROGENEOUS SYSTEMS IN MULTI-HOP RELAY BROADBAND WIRELESS COMMUNICATION SYSTEM - An apparatus and method for supporting heterogeneous systems in a multi-hop relay wireless communication system are provided. In a method of transmitting and receiving a DownLink (DL) frame of a Base Station (BS) in a multi-hop relay wireless communication system employing heterogeneous systems, the DL frame of the BS includes a legacy zone for communication with a legacy Mobile Station (MS), an access zone of a new zone for communication with a new MS, and a relay zone of the new zone for communication with a new Relay Station (RS). The method includes transmitting DL data to the legacy MS in the legacy zone, transmitting the DL data to the new MS in the access zone of the new zone, and transmitting the DL data to the new RS in the relay zone of the new zone. | 10-08-2009 |
20090252083 | APPARATUS AND METHOD FOR SUPPORTING DIFFERENT SYSTEM IN A BROADBAND WIRELESS COMMUNICATION SYSTEM USING MULTI-HOP RELAY SCHEME - An apparatus and method for supporting a different system in a broadband wireless communication system using a multi-hop relay scheme are provided. A DownLink/UpLink (DL/UL) frame of a Base Station (BS) includes a legacy access zone for communicating with a legacy Mobile Station (MS), a relay zone for communicating with a legacy Relay Station (RS), and a new zone for communicating with a new MS. A DL/UL frame of an RS includes a legacy access zone for communicating with a legacy MS and a legacy relay zone for communicating with a new BS by legacy standards. | 10-08-2009 |
20090268658 | Apparatus and method for relay service in wireless communication system - An apparatus and a method for relay service in a wireless communication system are provided. A method for constituting a frame for a relay service in a wireless communication system includes configuring Downlink and Uplink subframes for a Base Station (BS) to transmit and receive signals to and from a Mobile Station via one or more relay stations over one or more communication zones. Thus, the frames for the multihop relay service can be constituted with ease, the multihop relay service can be provided not to drive the relay service data into a particular part of the frame, and the service coverage of the MS can be extended. | 10-29-2009 |
20090268700 | APPARATUSES AND METHODS FOR PROVIDING EMERGENCY SERVICE IN A WIRELESS COMMUNICATION SYSTEM - Apparatuses and methods for providing an emergency service in a wireless communication system are provided. The method includes allocating a Connection IDentifier (CID) used to transmit the emergency service message, determining a Convergence Sublayer (CS) type for processing the emergency service message, generating a Downlink Channel Descriptor (DCD) message which comprises at least one of the allocated CID and information relating to the determined CS type, and transmitting the generated DCD message to a Mobile Station (MS). | 10-29-2009 |
20090296659 | SYSTEM AND METHOD FOR PERFORMING A FAST HANDOVER IN A BROADBAND WIRELESS ACCESS COMMUNICATION SYSTEM - A broadband wireless access (BWA) communication system includes a mobile subscriber station (MSS), a serving base station (BS) with which the MSS performs communication, and a plurality of neighbor BSs. The serving BS transmits, to the MSS, a handover request message including information on at least one recommended BS to which the MSS can perform a handover, among the neighbor BSs, and indication information indicating a fast handover, and transmits, to each of the recommended BSs, a handover confirm message indicating that the MSS will perform the fast handover. | 12-03-2009 |
20090303919 | APPARATUS AND METHOD FOR PROCESSING PREAMBLE CHANGE OF RELAY STATION IN BROADBAND WIRELESS ACCESS COMMUNICATION SYSTEM USING MULTIHOP RELAY - An apparatus and a method for processing a change of a preamble of a Relay Station (RS) are provided. An operating method of a Base Station (BS) includes providing a relay service via an RS, determining whether a preamble of the RS needs to change, when it is necessary to change the preamble of the RS, sending a preamble change command message to the RS and, when the preamble of the RS is changed, sending a preamble change notification message informing of the preamble change to at least one lower node of the RS. | 12-10-2009 |
20090303953 | METHOD AND APPARATUS FOR SUPPORTING IDLE MODE OF MOBILE STATION IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus for supporting an idle mode of a Mobile Station (MS) in a superframe-based wireless communication system are provided. In a method for operating an MS to support an idle mode in a superframe-based wireless communication system, a paging listening interval is determined based on a Broadcast CHannel (BCH) information Transmit (TX) interval. BCH information including paging information is received during the paging listening interval. The inclusion/non-inclusion of a paging advertisement (MOB_PAG-ADV) message is detected based on the BCH information. | 12-10-2009 |
20100003996 | Apparatus and method for resource allocation for frequency overlay scheme in a broadband wireless communication system - A broadband wireless communication system supporting a frequency overlay scheme is provided. An operating method of a base station includes allocating relative addresses to Resource Blocks in at least one operating Frequency Assignment (FA) of a terminal according to an addressing scheme for the terminal; generating at least one resource indicator represented with the relative addresses; generating resource allocation information which comprises the at least one resource indicator; and transmitting the resource allocation information through a primary FA of the terminal. | 01-07-2010 |
20100029279 | METHOD FOR COMPULSORILY PERFORMING HANDOVER IN BROADBAND WIRELESS COMMUNICATION SYSTEM - Disclosed is a method for enabling a mobile station existing in a serving cell area to perform a handover procedure in a broadband mobile communication system including the mobile station, a serving base station providing a service to the mobile station, and one or more target base stations containing at least one target cell area overlapping with the serving cell area occupied by the serving base station. The method includes transmitting a handover request message from the mobile station to the serving base station when it is detected that a performance of a handover is necessary; and transmitting a handover indication message containing handover cancel information to the serving base station when the mobile station determines a cancel of the handover while the mobile station is being handed over to one or more target base stations by the serving base station. | 02-04-2010 |
20100040011 | APPARATUS AND METHOD FOR OPTIONALLY USING SECONDARY FREQUENCY ASSIGNMENT IN A WIRELESS COMMUNICATION SYSTEM USING MULTIPLE BAND - A broadband wireless communication system using multiple bands is provided. A method includes determining to stop using a first Secondary (S)-Frequency Assignment (FA) of one or more S-FAs while communicating with a correspondent node over a Primary (P)-FA and the one or more S-FAs, sending a first message which requests to suspend the first S-FA, to the correspondent node, communicating over at least one FA excluding the first S-FA, and when resumption of the first S-FA is determined, sending a second message which requests to resume the first S-FA. | 02-18-2010 |
20100040014 | SYSTEM AND METHOD FOR ALLOCATING A CHANNEL QUALITY INFORMATION CHANNEL IN A COMMUNICATION SYSTEM - A method for requesting allocation of a Channel Quality Information Channel (CQICH) by a Mobile Station (MS) in a communication system. The method includes switching, by the MS, from a serving anchor Base Station (BS) to a target anchor BS, detecting an absence of a CQICH allocated from the target anchor BS, and transmitting, from the MS to the target anchor BS, a CQICH allocation request. The CQICH allocation request includes a CQICH allocation request header including a basic Connection IDentifier (CID) of the MS and a Header Check Sequence (HCS) for the CQICH allocation request header. | 02-18-2010 |
20100054162 | APPARATUS AND METHOD FOR FRAME GENERATION FOR A FULL DUPLEX RELAY - An apparatus and method for generating a frame in a communicating system supporting a full duplex relay. A controller configures a legacy zone and a new zone in a downlink section of the frame according to a TDM scheme, configures the new zone of the downlink section to include an access zone and a relay zone according to a TDM scheme, configures a legacy zone and a new zone in an uplink section of the frame according to the TDM scheme, and configures the new zone of the uplink section to include an access zone and a relay zone according to an FDM scheme. | 03-04-2010 |
20100110972 | APPARATUS AND METHOD FOR PROCESSING THE RELAYED DATA IN A MULTIHOP RELAY BROADBAND WIRELESS ACCESS COMMUNICATION SYSTEM - An apparatus and a method for processing the relayed data in a multihop relay broadband wireless access communication system are provided. A method for an operation of a Relay Station (RS) includes determining whether a packet received from an upper node comprises a Relay Media Access Control (MAC) Header (RMH), when the RMH is comprised in the received packet, determining whether the RMH comprises access RS information, and when the access RS information is not comprised in the RMH, removing the RMH from the received packet and transmitting the packet to a lower Mobile Station (MS). | 05-06-2010 |
20100113070 | METHOD AND SYSTEM FOR MANAGING PAGING IN WIRELESS COMMUNICATION NETWORK - A method and system for managing paging for a communication device in a paging area is provided. The method at a second base station includes receiving information associated with a movement of the communication device from a first cell region associated with a first base station to a second cell region associated with the second base station in the paging area. The first base station and the second base station are of different cell types. The method then informs a paging controller about the movement of the communication device along with information associated with the communication device when at least one of the first base station and the second base station is a femtocell. The paging controller on receiving a page for the communication device identifies presence of the communication device in a femtocell and manages paging of the communication device in one or more femtocells in the paging area. | 05-06-2010 |
20100144349 | SYSTEM AND METHOD FOR NOTIFYING COMPLETION OF NETWORK RE-ENTRY PROCEDURE IN A COMMUNICATION SYSTEM - Provided is a method for receiving a notification indicating a completion of a network re-entry procedure by a Base Station (BS) in a communication system. The method includes transmitting, to a Mobile Station (MS), a RaNGing ReSPonse (RNG-RSP) message including information indicating whether to omit any of processes or transmission of messages for performing a network re-entry procedure with the BS; and receiving, from the MS, a notification indicating the completion of the network re-entry procedure. | 06-10-2010 |
20100159825 | SCANNING APPARATUS AND METHOD IN A MULTI-HOP RELAY BROADBAND WIRELESS ACCESS COMMUNICATION SYSTEM - A scanning apparatus and method in a multi-hop relay Broadband Wireless Access (BWA) communication system are provided. In the scanning method, a Mobile Subscriber Station (MSS) sends a scan request message requesting scanning to a Base Station (BS) via a Relay Station (RS). The BS sends a scan response message containing information for the scanning of the MSS to the MSS via the RS. The BS then sends a scan notify message indicating the scanning of the MSS to the RS. | 06-24-2010 |
20100173652 | METHOD FOR PAGING A MS IN A MIXED DEPLOYMENT - Method for paging a MS in a mixed deployment of femto paging areas and macro paging areas in the network is provided. The presence information of the MS is tracked using at least two paging areas when the MS is in a first zone, wherein the first zone is overlapped by a femto paging area and a first macro paging area and the MS is subscribed to a set of CSG femto cells that are allowed for the MS in the femto paging area. The two paging areas are the femto paging area and the first macro paging area. The presence information of the MS is received by the network when the MS moves from the first zone to a second zone, wherein the second zone is overlapped by the femto paging area and a second macro paging area. The network, based on the received presence information, pages the MS only in a subset of the CSG femto cells that are allowed for the MS in the second zone. | 07-08-2010 |
20100208692 | Apparatus and method for supporting intra-base station handover in a multi-hop relay broadband wireless communication system - An apparatus is capable of supporting an intra-BS handover of a Mobile Station (MS) that can distinguish a Relay Station (RS) and a Base Station (BS) in a multi-hop relay broadband wireless communication system. A handover of an MS in a multi-hop relay wireless communication system includes receiving a neighbor advertisement message. When a handover command message that initiates a handover to a target node is received, information on a target node is acquired, and an upper BS of the target node is identified. When the identified upper BS of the target node is the same as an upper BS of the serving node, control information that has been previously used in a serving node is used in the target node, and communication with the target node is performed. | 08-19-2010 |
20100232331 | METHOD AND APPARATUS FOR CONTROLLING SLEEP MODE OPERATION IN A COMMUNICATION SYSTEM - A method and apparatus for controlling a sleep mode operation of a Mobile Station (MS) in a communication system, in which the sleep mode operates according to a sleep cycle including a listening window corresponding to an awake mode and a sleep window corresponding to a sleep state. The method includes starting a preset timer if there is a transmission of data between the MS and a Base Station (BS) during the listening window, restarting the timer upon receiving at least one of UpLink (UL) data, DownLink (DL) data and MAP Information Element (IE) indicating resource allocation from the BS during the listening window, maintaining the listening window until the timer expires, and transitioning to the sleep window if the timer expires. | 09-16-2010 |
20100254293 | APPARATUS AND METHOD FOR CONTROLLING SLEEP CYCLE SYNCHRONIZATION OF SLEEP MODE IN WIRELESS COMMUNICATION SYSTEM - An apparatus and method for controlling sleep cycle synchronization of a sleep mode in a wireless communication system are provided. A method of operating a Mobile Station (MS) in a sleep mode state includes, if a traffic indication message and unicast data are not received during a listening window, transmitting one of a request message and a header to a Base Station (BS) to request a location of a next-scheduled listening window, and if a response for the one of the request message and the header is received, performing synchronization for a next sleep cycle. | 10-07-2010 |
20100272044 | METHOD AND APPARATUS FOR SUPPORTING MULTIPLE FREQUENCY ASSIGNMENT IN WIRELESS COMMUNICATION SYSTEM - A method and an apparatus for supporting multiple frequency assignments in a wireless communication system are provided. An operating method of a Mobile Station (MS) for supporting multicarrier transmission in a wireless communication system includes negotiating a multicarrier operation with a Base Station (BS) during a network entry procedure, when supporting a multicarrier operation mode with the BS, sending a first control message comprising information of every multicarrier configuration supported by the MS, to the BS, receiving a second control message comprising index information of one or more carriers assigned for the multicarrier operation from the BS, and searching for configuration information of carriers corresponding to indexes of the one or more carriers assigned from the BS for the multicarrier operation. | 10-28-2010 |
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 |
20110069654 | APPARATUS AND METHOD FOR MULTI-HOP RELAY COMMUNICATION IN BROADBAND WIRELESS COMMUNICATION SYSTEM - An apparatus and operating method of a Relay Station (RS) and a Base Station (BS) controller for a multi-hop relay communication in a broadband wireless communication system is provided. The method of the RS includes, when receiving at least one traffic Media Access Control (MAC) Protocol Data Unit (PDU) from a Mobile Station (MS) accessing the RS, extracting a Layer-3 (L3) packet from the at least one traffic MAC PDU, generating a relay MAC PDU including the L3 packet, and transmitting the MAC PDU to the BS through an RS Service Flow (SF) which supports Quality of Service (QoS) required by an MS SF carrying the L3 packet. | 03-24-2011 |
20110069681 | METHOD AND APPARATUS FOR SUPPORTING SHORT MESSAGING SERVICE OF MOBILE STATION DURING IDLE MODE IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus for supporting a Short Message Service (SMS) of a Mobile Station (MS) during an idle mode in a wireless communication system are provided. An MS operation method for supporting an SMS in a wireless communication system includes receiving an SMS message from a Base Station (BS) through a ranging message in an idle mode, upon receiving the SMS message from the BS, starting a timer, while the timer operates, waiting UpLink (UL) resource allocation for transmission of an ACKnowledge (ACK) message about the SMS message, and upon being allocated a UL resource for the ACK message transmission, and transmitting the ACK message using the UL resource. | 03-24-2011 |
20110098069 | SYSTEM AND METHOD FOR STATE SYNCHRONIZATION BETWEEN A BASE STATION AND A MOBILE STATION IN A MOBILE COMMUNICATION SYSTEM - A system and method for state synchronization between a base station and a mobile station in a mobile communication system. A count value indicative of a state change of the base station is received. The received current count value is compared with a previous count value previously received and stored. If the current count value is different from the previous count value, the mobile station performs a network entry procedure with the base station. | 04-28-2011 |
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 |
20110103329 | METHOD AND APPARATUS OF REQUIRING UPLINK RESOURCES FOR TRANSMITTING RANGING REQUEST MESSAGE IN COMMUNICATION SYSTEM - A method and an apparatus of requiring uplink resources for transmitting a ranging request message in a communication system are provided. The method includes allocating an uplink bandwidth from a base station, and fragmentizing a Ranging Request (RNG-REQ) message into plural fragmented RNG-REQ messages, when the allocated bandwidth does not accommodate an entire RNG-REQ message, requesting an additional uplink bandwidth by transmitting one fragmented RNG-REQ message, and allocating an requested additional uplink bandwidth from the base station and transmitting a next one fragmented RNG-REQ message. | 05-05-2011 |
20110110346 | SWITCHING METHOD AND APPARATUS IN BROADBAND WIRELESS COMMUNICATION SYSTEM - A switching method and apparatus in a broadband wireless communication system is provided. A method of an Advanced Base Station (ABS) for a Multicast Broadcast Service (MBS) in the broadband wireless communication system includes transmitting to an Advanced Mobile Station (AMS) a message including identification information for a primary carrier that provides the MBS among multiple carriers supported by the ABS, switching to the primary carrier with respect to the AMS, and transmitting MBS data through the primary carrier. | 05-12-2011 |
20110119385 | APPARATUS FOR RESOURCE ALLOCATION IN A FREQUENCY OVERLAY SYSTEM AND A METHOD THEREOF - A resource allocation method and apparatus for a frequency overlay system that is capable of reducing the overhead of the resource allocation information transmitted by the base station is provided. A frequency overlay system of the present invention includes a base station which transmits resource allocation information including an address type selected among multiple address types designating addresses for transmission resource in different patterns and an address value indicating a resource region allocated according to the selected address type and at least one mobile station which receives the resource allocation information and receives data through the resource region identified with reference to the resource type and address value indicated by the resource allocation information; and a resource allocation method of the present invention includes transmitting, at a base station, resource allocation information including an address type selected among multiple address types designating addresses for transmission resource in different patterns and an address value indicating a resource region allocated according to the selected address type, and receiving, at a mobile station, data through the resource region identified with reference to the resource type and address value indicated by the resource allocation information. | 05-19-2011 |
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 |
20110159906 | METHOD AND APPARATUS FOR NETWORK REENTRY OF MOBILE STATION IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus for network reentry of a Mobile Station (MS) in a wireless communication system are provided. The method includes receiving allocation of a context search identifier from a network while a network entry procedure is performed, and transmitting a ranging request message including the allocated context search identifier to a Base Station (BS) when a network reentry event occurs. | 06-30-2011 |
20110176515 | SYSTEM AND METHOD FOR PERFORMING HANDOVER IN A BROADBAND WIRELESS ACCESS COMMUNICATION SYSTEM - Disclosed is a system and a method for controlling a handover of a mobile subscriber station in a broadband wireless access communication system. When serving base station determines to perform a handover of the mobile subscriber station, neighbor base stations to which the mobile subscriber station can be handed over, from among neighbor base stations of the mobile subscriber station, are determined based on a service quality level of service being currently provided to the mobile subscriber station. A handover request signal containing information related to the determined neighbor base station to which the mobile subscriber station can be handed over is transmitted to the mobile subscriber station. The serving base station receives from the mobile subscriber station in response to the request of the handover information about one neighbor base station to which the mobile subscriber station will be handed over, and informs the neighbor base station that the mobile subscriber station will be handed over to the neighbor base station. | 07-21-2011 |
20110205905 | APPARATUS AND METHOD FOR SUPPORTING ASYMMETRIC CARRIER AGGREGATION IN WIRELESS COMMUNICATION SYSTEM - An apparatus and a method for transmitting feedback information of an asymmetric frequency band in a wireless communication system supporting multiple bands are provided. The feedback information transmission method includes, when at least two frequency bands used by a mobile station includes at least one asymmetric frequency band, confirming feedback channel information for the asymmetric frequency band based on system channel information of the asymmetric frequency band, and transmitting feedback information for the asymmetric frequency band over the confirmed feedback channel. The feedback channel information includes feedback channel information for the asymmetric frequency band allocated to a symmetric frequency band. | 08-25-2011 |
20110223942 | APPARATUS AND METHOD FOR MULTIPLE PAGINGS IN BROADBAND WIRELESS COMMUNICATION SYSTEM - An apparatus and method for operating a paging control in a broadband wireless communication system are provided. The method includes receiving paging information used to determine a location of a paging listening interval in an idle mode, determining whether multiple pagings are applied, using a maximum paging number field contained in the paging information, determining locations of a plurality of paging listening intervals in a paging cycle using a paging spacing value and an initial paging offset contained in the paging information, and determining whether the terminal is paged in each of the paging listening intervals. | 09-15-2011 |
20110268008 | APPARATUS AND METHOD FOR MULTICAST BROADCAST SERVICE IN WIRELESS COMMUNICATION SYSTEM THAT USES MULTI-CARRIER - A method for operating a base station for Multicast Broadcast Services (MBS) in a wireless communication system that uses a multi-carrier is provided. In the method, MBS capability exchange is performed on a terminal using a primary carrier. A first message for configuring at least one MBS service flow is received from the terminal. A second message is transmitted to the terminal in response to the first message. The second message includes switching information between the primary carrier and a secondary carrier. MBS data is transmitted using the secondary carrier. | 11-03-2011 |
20110299469 | METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING PAGING MESSAGE USING BAND INFORMATION IN WIRELESS COMMUNICATION SYSTEM - A method and an apparatus for transmitting and receiving a paging message in a wireless communication system are provided. A Base Station (BS) transmits, to a Mobile Station (MS) in an idle mode, a Paging Group IDentification Information (PGID_Info) message including paging group information for a paging group to which the BS belongs, and frequency band-specific paging carrier information for indicating at least one of paging carriers included in each of a plurality of frequency bands operated by the BS. The BS determines a paging carrier for transmitting the paging message among paging carriers included in a frequency band supported by the MS, and transmits the paging message to the MS using the determined paging carrier. By doing so, reception of the paging message in the frequency band supported by the MS is guaranteed, thereby preventing the unnecessary location update procedure. | 12-08-2011 |
20120002583 | METHOD AND APPARATUS FOR GENERATING GROUP SERVICE FLOW IN A MOBILE COMMUNICATION SYSTEM - A method and apparatus generate a group service flow in a mobile communication system. An Advanced Mobile Station (AMS) in a mobile communication system transmits an AAI_REG-REQ message, which includes a group service request indicator indicating that it is required to generate the group service flow, to an ABS. The AMS receives an AAI REG-RSP message and an AAI_DSA-REQ message, which includes at least one of a group service flow parameter for the group service flow, a multicasting Station Identifier (STID), a multicasting flow ID, a group service flow ID, and information indicating a use of the group service flow, from the ABS. The AMS then generates the group service flow in cooperation with the ABS in accordance with the AAI_DSA-REQ message. | 01-05-2012 |
20120039308 | METHOD AND APPARATUS FOR DATA COMMUNICATION WHILE BASE STATION IS DISRUPTED IN WIRELESS COMMUNICATION SYSTEM - A method provides data communication while a Base Station (BS) is disrupted in a wireless communication system. The method includes, when a plurality of Mobile Stations (MSs) receive a preamble signal from a cluster header through a dedicated control channel while the BS is disrupted, sending a message requesting cluster member subscription to the cluster header, in the cluster header, including the plurality of MSs in a cluster member, configuring a cluster member list, and broadcasting the cluster member list, in a source MS among the plurality of MSs, sending a data transmission request message to the cluster header using the broadcasted cluster member list, in the cluster header, one of unicasting and broadcasting a response message for the data transmission request of the source MS, and, in the source MS, transmitting data to a target MS among the plurality of MSs based on the response message. | 02-16-2012 |
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 |
20120093007 | METHOD AND SYSTEM FOR TRANSMITTING AND RECEIVING SIGNAL USING MULTIPLE FREQUENCY BANDS IN A WIRELESS COMMUNICATION SYSTEM - A method for transmitting and receiving signals using multiple frequency band in a wireless communication system are provided, in which a BS determines whether an MS is to use a plurality of FAs, selects the plurality of FAs if it is determined that the MS is to use the plurality of FAs, transmits FA information about the selected FAs to the MS, and transmits and receives signals to and from the MS in the selected FAs. | 04-19-2012 |
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 |
20120094711 | METHOD FOR COMPULSORILY PERFORMING HANDOVER IN BROADBAND WIRELESS COMMUNICATION SYSTEM - Methods and apparatus are provided for performing a handover by a serving base station in a communication system. A handover request message is received from a mobile station. A first handover response message is transmitted to the mobile station. The first handover response message includes a list of at least one neighbor base station. A handover indication message including a value of a handover indication type field is received. The value is determined by the mobile station from among at least two values individually indicating at least one of a handover cancel and the handover rejection. The value representing the handover cancel indicates that the mobile station intends to cancel a handover procedure, and the value representing the handover rejection indicates that the mobile station intends to reject performing handover with any of the at least one neighbor base stations in the list. | 04-19-2012 |
20120100881 | APPARATUS AND METHOD FOR CONTROLLING SLEEP CYCLE SYNCHRONIZATION FOR EMERGENCY ALERT SERVICE IN WIRELESS COMMUNICATION SYSTEM - A method operates a Mobile Station (MS) in a sleep mode state in a wireless communication system. The method includes transmitting a request message to a Base Station (BS) to inquire a location of a next scheduled listening window responsive to failing to receive a traffic indication message and unicast data during a listening window, receiving a response message unicast in response to the request message, performing sleep cycle synchronization by using synchronization information included in the response message, and determining whether an emergency alert service-related message is transmitted by using emergency alert service-related information included in the response message. | 04-26-2012 |
20120115431 | APPARATUS AND METHOD FOR DETECTING EMERGENCY STATUS IN WIRELESS COMMUNICATION SYSTEM - A method and an apparatus handle an emergency in a wireless communication system. A method of a serving Base Station (BS) for detecting an emergency in a wireless communication system includes receiving an emergency call signal from Mobile Stations (MSs) in a cell; determining whether the number of the received emergency call signals exceeds a threshold number of times; when the number of the received emergency call signals exceeds the threshold number of times, detecting an emergency of a BS; and transmitting a message indicating the emergency to an MS in the cell. | 05-10-2012 |
20120134329 | APPARATUS AND METHOD FOR SUPPORTING PERIODIC MULTICAST TRANSMISSION IN MACHINE TYPE COMMUNICATION SYSTEM - An apparatus and a method for supporting periodic multicast transmission in a machine type communication system are provided. A method for operating a Base Station (BS) in a communication system includes allocating persistent resources for data transmission of a service group, selecting at least one MS to feed back a success/failure in receiving a map including the persistent resource allocation information, among Mobile Stations (MSs) to receive the persistent resource allocation information, and transmitting the map including the persistent resource allocation information and information indicating the selected MS. | 05-31-2012 |
20120155351 | APPARATUS AND METHOD FOR DELIVERY OF DISCARDED PACKET IN BROADBAND WIRELESS ACCESS SYSTEM - An operation method of a terminal in a wireless access system is provided. The method includes, while keeping an idle state without confirming the existence or non-existence of downlink data, determining to transit into a wakeup state, performing signaling for the transition into the wakeup state, acquiring information on discarded downlink data transmission through the signaling, and receiving the downlink data using the information on the downlink data transmission. | 06-21-2012 |
20120170456 | APPARATUS AND METHOD FOR OPTIONALLY USING SECONDARY FREQUENCY ASSIGNMENT IN A WIRELESS COMMUNICATION SYSTEM USING MULTIPLE BANDS - Methods for operating a Base Station (BS) and a User Equipment (UE) in a wireless communication system using a primary frequency and one or more secondary frequencies, and apparatuses for the BS and UE for carry out the methods, are provided. The method for operating the BS includes determining whether to activate or deactivate at least one of the one or more secondary frequencies, and transmitting a message comprising a bitmap indicating the activation or deactivation of the at least one of the one or more secondary frequencies to the UE. The method for operating the US includes receiving a message comprising a bitmap indicating activation or deactivation of at least one of the one or more secondary frequencies from the BS, and activating or deactivating the at least one of the one or more secondary frequencies based on the received message. | 07-05-2012 |
20120177199 | METHOD AND APPARATUS FOR ENCRYPTING SHORT DATA IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus is capable of encrypting short data in a wireless communication system When a terminal generates a short data burst in idle mode, the apparatus generates a Traffic Encryption Key (TEK) using a Cipher-based Message Authentication Code (CMAC)-TEK prekey derived from an Authorization Key (AK) related to Security Association (SA) between the terminal and a Base Station (BS). A nonce is constructed with a Packet Number (PN) identical to an uplink CMAC PN (CMAC-PN_U) transmitted together with a Ranging Request (RNG-REQ) message carrying the short data burst The short data burst is encrypted using the TEK and the nonce. A Medium Access Control (MAC) Protocol Data Unit (PDU) is generated by attaching a MAC header and a CMAC digest for integrity protection to the RNG-REQ message carrying the encrypted short data burst. The MAC PDU is transmitted to the BS. | 07-12-2012 |
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 |
20120183028 | APPARATUS AND METHOD FOR RANGING IN DISTRIBUTED ANTENNA SYSTEM - An apparatus and a method for ranging in a distributed antenna system are provided. A method for an operation of a Mobile Station (MS) in a distributed antenna system includes obtaining per-group ranging code configuration information indicating a ranging code allocation for each antenna port group, determining an antenna port group that the MS belongs to, and performing a ranging procedure by one of a plurality of ranging codes allocated to the antenna port group that the MS belongs to. | 07-19-2012 |
20120208488 | METHOD AND APPARATUS FOR PROVIDING EMERGENCY COMMUNICATION SERVICE IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus providing an emergency communication service in a wireless communication system. A mobile station (MS) transmits a message requesting the emergency communication service to a base station (BS), receives a connection setup request message from the BS, the connection setup request message including a Service Flow Identifier (SFID) indicating that a service flow corresponding to the emergency communication service has been generated, a Flow Identifier (FID) between the BS and the MS for providing the emergency communication service, and an indicator indicating a connection request for the emergency communication service, performs a setup procedure for using the service flow based on the SFID, the FID, and the indicator and, upon completion of the setup procedure, transmits a data packet for the emergency communication service to the BS. | 08-16-2012 |
20120269114 | APPARATUS AND METHOD FOR TRANSMITTING FRAME INFORMATION IN MULTI-HOP RELAY BROADBAND WIRELESS ACCESS COMMUNICATION SYSTEM - An upper node is provided for use in a wireless communication system using a relay scheme. The upper node includes means for transmitting, upon a request of a lower relay station for an initial connection of the lower relay station, downlink section information for communication with the lower relay station for a relay service to the lower relay station; and means for transmitting, after the initial connection with the lower relay station, frame configuration information for communication with the lower relay station for a relay service to the lower relay station through the downlink section. The downlink section information includes configuration information of the downlink section for communication with the lower relay station for a relay service. | 10-25-2012 |
20120287896 | METHOD OF REQUESTING ALLOCATION OF UPLINK RESOURCES FOR EXTENDED REAL-TIME POLLING SERVICE IN A WIRELESS COMMUNICATION SYSTEM - An apparatus in a Base station (BS) and an apparatus in a Mobile Station (MS) are provided for allocating and requesting, respectively, uplink resources in a wireless communication system. The apparatus in the MS includes a transmitter for sending, to a base station, a predetermined Channel Quality Information CHannel (CQICH) codeword over a pre-allocated CQICH in a silence period, when an uplink bandwidth for an extended real-time Polling Service (ertPS) is not allocated to the mobile station, to inform the base station that the mobile station has data to send; and a receiver for receiving, from the base station, information related to an uplink bandwidth supporting a maximum rate allocated by the base station, in response to the CQICH codeword | 11-15-2012 |
20120327900 | APPARATUS AND METHOD FOR PROVIDING PREAMBLE INFORMATION IN WIRELESS COMMUNICATION SYSTEM - A method and an apparatus for providing preamble information in a wireless communication system are provided. The method of a Base Station (BS) of a first system for providing neighbor BS information of a second system in a communication environment covering the first system and the second system together includes generating a message comprising information indicating a superframe boundary of a neighbor BS of the second system, and transmitting the message comprising the information indicating the superframe boundary to a Mobile Station (MS). | 12-27-2012 |
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 |
20130083774 | METHOD AND APPARATUS FOR SHORT HANDOVER LATENCY IN WIRELESS COMMUNICATION SYSTEM USING BEAM FORMING - Beam selection is provided. A method for handover in a mobile station includes sending a scan request message for scanning a downlink (DL) beam with respect to a serving base station (BS) and a neighboring BS, to the serving BS, and receiving a scan response message; determining the DL beam for the MS by performing scanning with the serving BS and the neighboring BS based on the scan response message; sending a scan report message comprising a result of the scanning to the serving BS; when receiving an air-HO request message from the serving BS, generating an air-HO response message comprising information of a neighboring BS to which the MS hands over based on the air-HO request message; performing beam selection with the neighboring BS of the handover based on the air-HO request message; and performing the handover. | 04-04-2013 |
20130129091 | METHOD AND APPARATUS FOR MANAGING SECURITY KEYS FOR COMMUNICATION AUTHENTICATION WITH MOBILE STATION IN WIRELESS COMMUNICATION SYSTEM - Provided is a method for managing a security key for communication authentication with a Mobile Station (MS) in a communication system. The method includes acquiring a first authentication key by performing an authentication procedure for the communication authentication in a cloud cell having member Base Stations (BSs) that include a master BS and at least one slave BS for providing a service to the MS; and communicating with at least one member BS using a first encryption key that is generated using the first authentication key. | 05-23-2013 |
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 |
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 |
20130208698 | METHOD AND APPARATUS FOR PROVIDING SERVICE IN WIRELESS COMMUNICATION SYSTEM IN WHICH MULTIPLE BASE STATIONS COOPERATE WITH EACH OTHER, AND SYSTEM THEREFOR - Provided is a method for providing a service by a Base Station (BS) in a wireless communication system. The method includes setting up a radio link to a Mobile Station (MS) to provide the service; receiving BS information from at least one BS that cooperates to provide the service; and selecting an alternative BS for replacing the BS from among the at least one BS based on the BS information. | 08-15-2013 |
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 |
20130288683 | SYSTEM AND METHOD FOR TRANSMITTING AND RECEIVING A SIGNAL USING MULTIPLE FEQUENCY BANDS IN A WIRELESS COMMUNICATION SYSTEM - Disclosed is a system and a method of signal transmission/reception by a mobile station in a wireless communication system. The method includes: transmitting a first sub-band preparation indicator, which indicates that the mobile station has been prepared for transmission/reception of a signal through a first sub-band, to a base station through a primary band; transmitting a first sub-band failure indicator to the base station through the primary band upon detecting failure in transmitting the first sub-band preparation indicator; receiving sub-band information on a second sub-band, which is different from the first sub-band, from the BS through the primary band; and acquiring synchronization with the second sub-band, so as to enable transmission/reception of a signal through the second sub-band based on the sub-band information. | 10-31-2013 |
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 |
20130322375 | APPARATUS AND METHOD OF COOPERATING WITH MULTIPLE BASE STATIONS IN WIRELESS COMMUNICATION SYSTEM - A method and an apparatus of cooperating with a plurality of base stations in a wireless communication system. A cloud cell is configured with a plurality of base stations that cooperate with each other for a mobile station and synchronizes user contexts for serving the mobile station among the plurality of base stations included in the cloud cell, and the plurality of base stations cooperate with each other to provide a communication service to the mobile station. The present disclosure reduces generation of a handover when the mobile station moves between base stations, and increases the data yield of the mobile station by transmitting and receiving data in cooperation with base stations in a cloud cell at a shaded area or a cell border. | 12-05-2013 |
20130322408 | METHOD AND APPARATUS FOR PERFORMING INITIAL RANGING FOR MACHINE TO MACHINE COMMUNICATION SERVICE IN A MOBILE COMMUNICATION SYSTEM - Provided is an INitial ranging (IN) method for a Machine to Machine communication service in a mobile communication system. The IN method includes if the presence of a terminal attempting IN is recognized, determining whether a service the terminal wants to receive is a mobile communication service or a Machine to Machine communication service; and setting an indicator indicating to use Ranging Preamble (RP) code partition information for available in the determined service, and transmitting ‘IN-related control information for mobile communication’ including the indicator to the terminal. | 12-05-2013 |
20130331097 | METHOD AND APPARATUS FOR DISCOVERING NEIGHBOR NODES IN A WIRELESS COMMUNICATION NETWORK - A method for processing a first node to configure a neighbor network in a wireless communication system including the first node and one or more second nodes neighboring the first node. The method includes generating discovery information; and broadcasting the generated discovery information to one or more of the second nodes. The discovery information includes information of the first node, an indicator indicating whether to receive the discovery information and accept the relay of the received discovery information to other nodes, and a hop limit indicating the number of available relays of the discovery information. A value of the indicator is set through an input of a user. | 12-12-2013 |
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 |
20140064127 | RANGING METHOD AND APPARATUS IN WIRELESS COMMUNICATION SYSTEM - A ranging method and apparatus in a wireless communication system are provided. The ranging method of a Mobile Station (MS) includes selecting at least one Base Station (BS) for performing ranging, transmitting a ranging signal by using a common ranging region shared by a plurality of BSs, and receiving a response signal, including a ranging result of at least one BS which received the ranging signal, from a central controller. | 03-06-2014 |
20140073329 | APPARATUS AND METHOD FOR HANDOVER IN WIRELESS COMMUNICATION SYSTEM - A method for handover in a wireless communication system includes: when a received signal strength difference between a serving beam from a serving base station used for communication by a terminal and a target beam of a neighboring base station is equal to or greater than a first threshold value, and a received signal strength difference between an active beam and the target beam is equal to or greater than a second threshold value, determining a handover to the target beam; and transmitting a message to initiate the handover. | 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 |
20140105050 | METHOD AND APPARATUS FOR SEAMLESS HANDOVER OPERATION IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus for improving a mobile problem caused by a narrow handover region in a boundary region between virtual cells constructed by a plurality of small base stations are provided. A plurality of Virtual Cells (VCs) include a plurality of Distributed Base Stations (DBSs) whose VCs cooperatively communicate with each other. An Intermediate Distributed Base Station (I-DBS) is located in a region where adjacent at least two VCs among the plurality of VCs are superimposed, and belongs to a different VC according to a time division scheme. | 04-17-2014 |
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 |
20140120874 | METHOD AND DEVICE FOR MANAGING SECURITY KEY FOR COMMUNICATION AUTHENTICATION OF SUBSCRIBER STATION USED IN COOPERATIVE COMMUNICATION OF MULTIPLE BASE STATION IN RADIO COMMUNICATION SYSTEM - A subscriber station performs a method for managing a security key. The method includes generating, for each of the base stations, an input value for generation of the security key for data transmission and reception with the each base station; transmitting, to the each base station, the input value for a corresponding base station; and generating the security key of the corresponding base station by using the input value of the each base station. A base station provides cooperative communication to the subscriber station. | 05-01-2014 |
20140126721 | METHOD AND APPARATUS FOR ENCRYPTING SHORT DATA IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus is capable of encrypting short data in a wireless communication system When a terminal generates a short data burst in idle mode, the apparatus generates a Traffic Encryption Key (TEK) using a Cipher-based Message Authentication Code (CMAC)-TEK prekey derived from an Authorization Key (AK) related to Security Association (SA) between the terminal and a Base Station (BS). A nonce is constructed with a Packet Number (PN) identical to an uplink CMAC PN (CMAC-PN_U) transmitted together with a Ranging Request (RNG-REQ) message carrying the short data burst The short data burst is encrypted using the TEK and the nonce. A Medium Access Control (MAC) Protocol Data Unit (PDU) is generated by attaching a MAC header and a CMAC digest for integrity protection to the RNG-REQ message carrying the encrypted short data burst. The MAC PDU is transmitted to the BS. | 05-08-2014 |
20140185434 | METHOD AND APPARATUS FOR WIRELESS LINK RECOVERY BETWEEN BSS IN A WIRELESS COMMUNICATION SYSTEM - An operating method of a Base Station (BS) in a wireless communication system supporting a wireless link based communication between BSs is provided. The method includes, if a wireless link with a counterpart BS is interrupted, transmitting a report on the wireless link interruption to a management server, receiving information about at least one candidate BS for a detour path from the management server, determining a detour path with the counterpart BS on the basis of the information about the at least one candidate BS, and performing communication with the counterpart BS through the detour path. | 07-03-2014 |
20140211706 | METHOD AND APPARATUS FOR IMPROVED NETWORK CODING IN WIRELESS COMMUNICATION SYSTEM - A method of performing a Network Coding (NC) by a transmitting node in a wireless communication system, the method comprising receiving uplink packets from a plurality of nodes through respective links, grouping the links into at least one group based on channel quality information, each group satisfying a listed range of channel quality information, performing the NC on downlink data for each group and transmitting each scheduling information shared by each group to the at least one respective group. A method of receiving network-coded data in a wireless communication system comprises transmitting an uplink packet to a transmitting node, receiving scheduling information shared by a group of links from the transmitting node, the group of links satisfying a listed range of channel quality information, receiving downlink data on which NC is performed and decoding the downlink data based on the scheduling information. | 07-31-2014 |
20140213249 | METHOD AND APPARATUS FOR DETERMINING BASE STATIONS PROVIDING COOPERATIVE COMMUNICATION TO A MOBILE STATION IN A COMMUNICATION SYSTEM - A method of determining member Base Stations (BSs) providing cooperative communication to a Mobile Station (MS) in a communication system. The method includes when a candidate list of the member BSs generated using at least one of strengths of signals received from adjacent BSs and cell loading state information of the adjacent BSs is received from the MS, selecting candidate BSs having a service quality larger than or equal to a threshold from candidate BSs included in the candidate list as targets to receive a member negotiation; and performing a capability negotiation with each of the selected targets to receive the member negotiation to select final member BSs and transmitting information on the determined final member BSs to the MS. | 07-31-2014 |
20140221024 | APPARATUS AND METHOD FOR MULTIPLE PAGINGS IN BROADBAND WIRELESS COMMUNICATION SYSTEM - An apparatus and method for operating a paging control in a broadband wireless communication system are provided. The method includes receiving paging information used to determine a location of a paging listening interval in an idle mode, determining whether multiple pagings are applied, using a maximum paging number field contained in the paging information, determining locations of a plurality of paging listening intervals in a paging cycle using a paging spacing value and an initial paging offset contained in the paging information, and determining whether the terminal is paged in each of the paging listening intervals. | 08-07-2014 |
20140295896 | METHOD AND APPARATUS FOR OPERATING IDLE MODE IN WIRELESS COMMUNICATION SYSTEMS - Provided is a method and apparatus for operating an idle mode in a wireless communication system. The method includes receiving a first message requesting entry to an idle mode from a Subscriber Station (SS) through at least one Base Station (BS), selecting in response to reception of the first message whether the MS is to enter an idle mode in which BSs belonging to a paging group broadcast a paging message for the MS or whether the MS is to enter a semi-idle mode in which BSs belonging to a semi-idle paging group, which is a subset of the paging group, broadcast the paging message for the SS, and transmitting Paging announce information instructing the BSs belonging to the semi-idle paging group to broadcast the paging message for the SS, if the semi-idle mode is selected. | 10-02-2014 |
20140321354 | METHOD AND APPARATUS FOR MANAGING PACKET IN SYSTEM SUPPORTING NETWORK CODING - A method for managing a packet in a system supporting network coding includes receiving, from a relay, information on a packet to which the network coding is applied, receiving, from the relay, the packet to which the network coding is applied, confirming whether a packet required for an operation of the UE can be acquired from the received packet on the basis of information on the packet to which the network coding is applied, and storing packets into different buffers by distinguishing between the packet required for the operation of the UE and a packet not required for the operation of the UE. Other embodiments including an apparatus for managing a packet are also disclosed. | 10-30-2014 |
20140321419 | METHOD AND APPARATUS FOR ALLOCATING RESOURCES FOR COMMUNICATION BETWEEN BASE STATIONS - A method and an apparatus for allocating resources for communication between BSs are provided. The method includes when a new BS is added to a network, determining neighboring BSs of the new BS based on position information of the new BS and position information of existing BSs in the network, determining whether to use a second resource allocation scheme based on a first resource allocation scheme currently applied to the existing BSs in the network and a number of resource configurations used by the neighboring BSs, when it is determined to use the second resource allocation scheme, determining resource allocations for communication between the new BS and the neighboring BSs by using the second resource allocation scheme, and when it is determined to not use the second resource allocation scheme, determining resource allocations for communication between the new BS and the neighboring BSs by using the first resource allocation scheme. | 10-30-2014 |
20140323143 | METHOD AND APPARATUS FOR PROVIDING OPTIMAL TRANSMISSION AND RECEPTION BEAMS IN BEAMFORMING SYSTEM - A method of providing an optimal transmission or reception (Tx/Rx) beam in a beamforming system. The method includes receiving a reference signal and selecting an optimal Tx/Rx beam that guarantees an optimal channel environment based on the received reference signal determining a possibility of occurrence of a Tx/Rx beam mismatch between the selected optimal Tx/Rx beam and a Tx/Rx beam used for transmitting information on the selected optimal Tx/Rx beam; and when there is the possibility of the occurrence of the Tx/Rx beam mismatch, performing at least one of widening a beam width of the Tx/Rx beam, increasing a number of Tx/Rx beams, reducing a period of a beam selection operation for selecting the optimal Tx/Rx beam, and reducing a transmission period of the reference signal. Other embodiments including a beamforming system are also disclosed. | 10-30-2014 |
20140329551 | METHOD AND APPARATUS FOR CONTROLLING UPLINK POWER IN WIRELESS COMMUNICATION SYSTEM - A method and an apparatus for controlling uplink power in a wireless communication system are provided. The method for controlling uplink power of a User Equipment (UE) forming a transmission link with a plurality of BSs (BSs), a power headroom report trigger event by at least one of the plurality of BSs is detected. Power headroom information of the UE is reported to at least one of the plurality of BSs. | 11-06-2014 |
20140341023 | METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING DATA PACKET IN WIRELESS COMMUNICATION SYSTEM - A method for transmitting a data packet in a transmitting apparatus in a wireless communication system is provided. The method includes receiving first feedback information including buffer status information indicating information related to a status of a buffer included in a receiving apparatus from the receiving apparatus, determining a number of first data packets to be transmitted to the receiving apparatus based on the buffer status information, determining a number of second data packets which is identical to at least one of the number of first data packets based on a data packet loss rate for each of a plurality of paths, and encoding the determined number of first data packets and the determined number of second data packets and transmitting encoded first data packets and encoded second data to the receiving apparatus through each of the plurality of paths. | 11-20-2014 |
20140341168 | APPARATUS AND METHOD FOR SUPPORTING ASYMMETRIC CARRIER AGGREGATION IN WIRELESS COMMUNICATION SYSTEM - An apparatus and a method for operating a mobile station in a wireless communication system are provided. The method includes receiving first information transmitted on a secondary carrier from a base station, and transmitting second information for feedback related to the secondary carrier at a feedback region in a primary carrier based on the first information to the base station. | 11-20-2014 |
20140369328 | APPARATUS AND METHOD FOR OPERATING ANALOG BEAM IN A BEAM DIVISION MULTIPLE ACCESS SYSTEM - A method and apparatus for operating an analog beam is provided. The apparatus includes a hybrid beam-forming structure having a small number of digital chains provided in a digital stage and a signal is transmitted and received in a Time Division Multiple Access (TDMA) scheme. The apparatus includes an analog beam-forming operating unit configured to change the analog beam for a counterpart device for which use of a next frame is to be permitted, upon receiving a request for using the next frame from at least one of multiple devices that transmit and receive signals in units of frames and a communication unit configured to transmit information indicating that the analog beam is changed to permit the use of the next frame by the counterpart device to the multiple devices. | 12-18-2014 |
20140372758 | METHOD AND SYSTEM FOR SECURED COMMUNICATION OF CONTROL INFORMATION IN A WIRELESS NETWORK ENVIRONMENT - A method and system for securely communicating control information in a wireless network environment is provided. When a transmitting station has to transmit control information to a receiving station, the transmitting station determines whether the control information belongs to first type or second type. If the control information is the second type of control information, the transmitting station secures the second type of control information using a counter value, a Cipher based Message Authentication Code (CMAC) value and security keys computed for protecting the second type of control information. Upon securing the control information, the transmitting station transmits the secured control information to a receiving station. | 12-18-2014 |
20150017992 | METHOD AND APPARATUS FOR ALLOCATING RESOURCES FOR COMMUNICATION BETWEEN BASE STATIONS IN AN IN-BAND COMMUNICATION SYSTEM - A method and apparatus for allocating resources for communication between Base Stations (BSs) in an in-band communication system can be provided by a BS. A method for allocating resources for communication between BSs, performed by a Mobile Station (MS) in an in-band communication system includes receiving information about an interference-free expected area from a BS communicating with the MS through an access link, transmitting to the BS feedback information indicating whether the MS is located in the interference-free expected area based on the information about the interference-free expected area, receiving from the BS a message requesting measurement of a fronthaul link for communication between BSs based on the feedback information, and transmitting a measurement result of the fronthaul link to the BS. | 01-15-2015 |
20150063211 | METHOD AND APPARATUS FOR APPLYING NESTED NETWORK CORDING IN MULTIPATH PROTOCOL - A method of communicating with a User Equipment (UE) through a multipath transmission control protocol is provided. The method includes receiving information, by a first node, on a packet requested by the UE and information on a buffer state of the UE from the UE, exchanging, by the first node, information on a packet to be transmitted/received to/from each of one or more second nodes, determining, by the first node, a combination of packets which maximizes a coding gain and throughput of the UE and a transmission sequence by using the exchanged information on the packet, and transmitting, by the first node, packets to the UE according to the determined combination of the packets and the transmission sequence. | 03-05-2015 |