Patent application number | Description | Published |
20120106516 | METHOD AND APPARATUS FOR TRANSMITTING NEIGHBOR BASE STATION INFORMATION PERFORMED BY MACRO BASE STATION IN WIRELESS COMMUNICATION SYSTEM - Provided is a method for requesting neighbor base station information by user equipment in a wireless communication system. The method includes: searching neighbor base stations targeted for a handover; transmitting a list request message including preamble information about a neighbor base station searched by the user equipment among the neighbor base stations and a neighbor base station list request indicator indicating a request for information about the neighbor base station to a serving base station; and receiving a list response message including an identification information and system information of the neighbor base station from the serving base station. | 05-03-2012 |
20120108238 | METHOD FOR OPERATION OF FEMTO BASE STATION BASED ON RADIO ACCESS SYSTEM - A method for opearation of femto base station (BS) is provided. The method includes: transmitting the first low duty operation (LDO) pattern information, which includes length information of an available interval (AI) where the femto BS is activated and length information of an unavailable interval (UAI) where the femto BS is inactivated, to user equipment (UE) and operating based on the first LDO pattern where the first LDO cycle, a sequence of the AI and the UAI, is repeatedly arranged. The first LDO pattern information further including a superframe offset as information for leading a start point of the first LDO cycle. | 05-03-2012 |
20120113943 | HANDOVER METHOD IN WIRELESS COMMUNICATION SYSTEM - Disclosed is a method of a handover in a wireless communication system. The method includes transmitting a handover request message to the service BS, and receiving a handover command message from the service BS in response to the handover request message. Multi-carriers are assigned to a terminal in advance right before a handover, and all or some of the multi-carriers are activated right after the handover. Therefore, multi-carrier are effectively utilized. | 05-10-2012 |
20120115481 | METHOD FOR PROVIDING AND RECEIVING RELIABLE SERVICE IN WIRELESS COMMUNICATION SYSTEM - A method for providing reliable wireless service in a femto system is provided. The method includes broadcasting information about out-of-service, which notifies that an air interface based on the femto BS is disabled, to user equipment (UE); and disabling the air interface. The information about the out-of-service comprising an identifier about a recommended BS that is another BS which the UE can enter. | 05-10-2012 |
20120163276 | METHOD AND APPARATUS FOR ALLOCATING MULTICAST RESOURCE AND METHOD AND APPARATUS FOR RECEIVING MULTICAST RESOURCE ALLOCATION INFORMATION - A method of allocating a multicast resource to a multicast group for a multicast communication in a base station is provided. The base station persistently allocates the multicast resource to the multicast group, generates a MAP IE including allocation information of the multicast resource, an allocation period indicating a period in which the multicast resource is allocated and a lifetime in which allocation of the multicast resource is maintained, and transmitting the MAP IE to the multicast group. | 06-28-2012 |
20120163277 | METHOD AND APPARATUS FOR ESTABLISHING MULICAST CONNECTION - A method of establishing a multicast connection is provided. A mobile station transmits a registration request message for a discovery of a multicast service to the base station, and receives a registration response message from the base station in response to the registration request message. The mobile station exchanges a DSA request message and a DSA response message to the DSA request message with the base station, for a multicast connection on the multicast service. The mobile station receives a downlink control channel including allocation information of multicast resource from the base station. | 06-28-2012 |
20120163278 | METHOD FOR PERFORMING DIRECT COMMUNICATION BETWEEN TERMINALS - A method for performing direct communication, by a first terminal, between terminals, includes transmitting a control message for a direct communication resource allocation to at least one second terminal through a first region included in a direct communication resource, transmitting synchronization information to at least one second terminal through a second region included in the direct communication resource, and transmitting a data packet to at least one second terminal through a third region included in the direct communication resource. | 06-28-2012 |
20120163283 | METHOD FOR RELAYING OF BASE STATION AND METHOD FOR RELAYING OF TERMINAL - A method of relaying in a base station that enable a first base station to operate as a relay station in order to communicate with a second base station that is connected to backhaul, the method includes: forming, by the first base station, a relay link with the second base station; and starting, by the first base station, a relay mode. | 06-28-2012 |
20120163600 | METHOD AND APPARATUS FOR SUPPORTING SECURITY IN MULITICAST COMMUNICATION - A method of supporting a security for a multicast communication is provided in a mobile station. The mobile station shares an MAK with a base station, derives a prekey based on a first parameter including the MAK, and derives a multicast security key including an MTEK based on a second parameter including the prekey, and decrypts a multicast traffic using the multicast security key. | 06-28-2012 |
20120172038 | METHOD FOR CONFIGURATION CELL BY MULTI MODE TERMINAL AND METHOD FOR OPTIMIZATION CELL BY MULTI MODE TERMINAL - A method of configuring a cell of a terminal includes: transmitting, by the terminal, when the terminal searches for an idle band, a downlink frame; performing a network entry procedure with other terminals at 1 hop from the terminal; and optimizing, by the terminal, transmission power. | 07-05-2012 |
20120176985 | METHOD OF UPDATING SYSTEM INFORMATION IN WIRELESS COMMUNICATION SYSTEM - The present invention provides a method of a Base Station (BS) updating system information using a superframe structure in a wireless communication system, comprising transmitting a primary header including system scheduling information pertinent to an update of the system information and transmitting an updated secondary header. The system scheduling information comprises secondary header change state information indicating a change state of the updated secondary header, secondary header applying information indicating whether the secondary header change state information is applied to a current system, and a secondary header change indicator indicating the updated secondary header. | 07-12-2012 |
20120188981 | SIGNALLING METHOD FOR DIRECT COMMUNICATION BETWEEN TERMINALS - A signaling method of a first terminal for direct communication between terminals includes transmitting a link establishment request message for establishing a direct communication link including flow information to a second terminal, receiving a link establishment response message for establishing a direct communication link including flow information from the second terminal, and establishing a direct communication link between the first terminal and the second terminal. | 07-26-2012 |
20120224472 | METHOD FOR RELAYING OF BASE STATION, METHOD FOR RELAYING OF TERMINAL AND METHOD FOR TRANSMITTING - A method of relaying in a base station (BS) includes: setting, when a backhaul link of a first BS is damaged, a relay link using a second BS, which is an adjacent BS of the first BS as a serving BS; and releasing the relay link after the backhaul link is recovered. | 09-06-2012 |
20120224522 | METHOD AND APPARATUS FOR MANAGING MULTICAST SERVICE - In a method of managing a multicast service, a mobile station receives a message including multicast service flow update information from a base station that belongs to a multicast group zone including a base station set having at least one base station. The mobile station updates a parameter associated with a multicast service flow of the multicast service based on the multicast service flow update information. The multicast service flow update information includes a new multicast group zone ID, current multicast service identification information, and new multicast service identification information mapped to the current multicast service identification information. | 09-06-2012 |
20120224546 | METHOD AND TERMINAL FOR PERFORMING DIRECT COMMUNICATION BETWEEN TERMINALS - A first terminal for performing direct communication between terminals includes: a radio frequency (RF) unit; and a processor, the processor being adapted to perform direct communication with at least one second terminal by using resources allocated for direct communication between terminals, wherein the resources are divided into a first slot region and a second slot region, the first slot region including a synchronization channel containing synchronization information for direct communication between terminals, a dedicated channel for transmitting direct communication data between terminals, and a supplementary channel one-to-one mapped with the dedicated channel, and the second slot region including the dedicated channel and the supplementary channel. | 09-06-2012 |
20120257564 | METHOD FOR RECEIVING MOBILE MULTICAST BROADCAST SERVICE IN MULTI-CARRIER WIRELESS COMMUNICATION SYSTEM - Method receiving Multicast Broadcast Service (MBS) in a wireless communication system is provided. The method comprises receiving a Dynamic Service Addition (DSA) message through a primary carrier, from a Base Station (BS); switching from the primary carrier to a secondary carrier based on the DSA message; receiving an MBS Configuration message through the secondary carrier, from the BS; and receiving MBS data through the secondary carrier based on the MBS Configuration message, from the BS. | 10-11-2012 |
20120264430 | METHOD FOR COMMUNICATION OF BASE STATION, RELAY STATION AND TERMINAL - The present invention relates to a communication method of a base station, which includes the base station including an indication of whether the base station is a terminal acting as a base station or a base station acting as a relay station in an SCD message or DCD message, and transmitting the SCD message or the DCD message to a terminal. | 10-18-2012 |
20120281615 | METHOD FOR COMMUNICATION OF BASE STATION, TERMINAL AND RELAY STATION - A method for communication of a base station includes: receiving first data from a first terminal; transmitting the first data to a second terminal by local forwarding without passing through an access service network (ASN); receiving second data from the second terminal; and transmitting the second data to the first terminal without passing through the ASN. | 11-08-2012 |
20120287839 | METHOD AND APPARATUS FOR UPDATING MULTICAST AND BROADCAST SERVICE - When MBS information is updated, a base station transmits a first message to a terminal. The first message includes a service flow update indicator for indicating a scheme for describing a current MBS identifier (ID) and flow ID to be updated, information on the current MBS ID and flow ID described by the scheme indicated by the service flow update indicator, and new MBS information. The terminal transmits a second message to the base station in response to the first message. | 11-15-2012 |
20120294245 | METHOD AND TERMINAL FOR PERFORMING DIRECT COMMUNICATION BETWEEN TERMINALS - Disclosed is a method for a first terminal to perform direct communication between terminals, the method including performing direct communication with at least one second terminal by using resources allocated for direct communication between terminals, the resources including a synchronization channel used for frequency synchronization and time synchronization between terminals, and the synchronization channel including a synchronization channel preamble used for at least one of preamble detection, time offset estimation, frequency offset estimation, and channel estimation. | 11-22-2012 |
20120327935 | METHOD AND APPARATUS FOR MANAGING CONFIGURATION INFORMATION OF MULTICAST AND BROADCAST SERVICE - For managing MBS configuration information, a terminal decodes an MBS configuration message including configuration information for an MBS operation and a lifetime, and then decodes an MBS configuration message that is transmitted at a time that the lifetime indicates. | 12-27-2012 |
20120329506 | METHOD FOR TRANSMITTING INFORMATION OF NEIGHBORING BASE STATION IN WIRELESS COMMUNICATION SYSTEM - Provided is a method for obtaining superframe header (SFH) information in a neighboring base station advertisement (NBR-ADV) message at a terminal. In the method, a NBR-ADV message having SFH information set per each carrier is received from a serving base station. The SFH information of each carrier is obtained from the NBR-ADV message. In the obtaining the SFH information of each carrier, SFH information of a corresponding carrier is obtained based on SFH information of a previous carrier when a predetermined field is set as a predetermined value. | 12-27-2012 |
20130010671 | METHOD AND APPARATUS FOR MANAGING MULTICAST AND BROADCAST SERVICE RESOURCE - When zone allocation information of sub-bands is changed, a terminal receives a new MBS configuration message after a lifetime of an MBS configuration message at a time when the changed zone allocation information is received is expired. The terminal applies the changed zone allocation information at the beginning of the first MSI of the new MBS configuration message. | 01-10-2013 |
20130016646 | TERMINAL OF SUPPORTING DIRECT COMMUNICATION USING INFRA COMMUNICATION AND DIRECT COMMUNICATION METHOD OF THE SAMEAANM CHANG; Sung CheolAACI DaejeonAACO KRAAGP CHANG; Sung Cheol Daejeon KRAANM YUN; Mi YoungAACI DaejeonAACO KRAAGP YUN; Mi Young Daejeon KRAANM KIM; EunkyungAACI DaejeonAACO KRAAGP KIM; Eunkyung Daejeon KRAANM KIM; Sung KyungAACI DaejeonAACO KRAAGP KIM; Sung Kyung Daejeon KRAANM KIM; Won-IkAACI DaejeonAACO KRAAGP KIM; Won-Ik Daejeon KRAANM LEE; HyunAACI DaejeonAACO KRAAGP LEE; Hyun Daejeon KRAANM YOON; Chul SikAACI SeoulAACO KRAAGP YOON; Chul Sik Seoul KRAANM LIM; Kwang JaeAACI DaejeonAACO KRAAGP LIM; Kwang Jae Daejeon KRAANM KIM; SeokkiAACI Osan-siAACO KRAAGP KIM; Seokki Osan-si KR - A method in which a first terminal supports direct communication using infracommunication includes setting at least one direct communication link with at least one second terminal, setting at least one traffic connection with a base station, and forwarding data that is transmitted through the at least one direct communication link from the at least one second terminal to the at least one traffic connection or forwarding data that is transmitted through the at least one traffic connection from the base station to the at least one direct communication link. | 01-17-2013 |
20130017817 | METHOD FOR COMMUNICATION OF BASE STATION AND TERMINALAANM Kim; Won-IkAACI DaejeonAACO KRAAGP Kim; Won-Ik Daejeon KRAANM Kim; EunkyungAACI DaejeonAACO KRAAGP Kim; Eunkyung Daejeon KRAANM Kim; Sung KyungAACI DaejeonAACO KRAAGP Kim; Sung Kyung Daejeon KRAANM Chang; Sung CheolAACI DaejeonAACO KRAAGP Chang; Sung Cheol Daejeon KRAANM Cha; Jae SunAACI DaejeonAACO KRAAGP Cha; Jae Sun Daejeon KRAANM Yun; Mi YoungAACI DaejeonAACO KRAAGP Yun; Mi Young Daejeon KRAANM Lee; HyunAACI DaejeonAACO KRAAGP Lee; Hyun Daejeon KRAANM Yoon; Chul SikAACI SeoulAACO KRAAGP Yoon; Chul Sik Seoul KRAANM Lim; Kwang JaeAACI DaejeonAACO KRAAGP Lim; Kwang Jae Daejeon KR - A method of performing communication of a terminal includes the terminal transmitting state information thereof to a base station, and the terminal receiving a mode change request from the base station when the terminal is selected by the base station. | 01-17-2013 |
20130022199 | ENCRYPTION METHOD AND APPARATUS FOR DIRECT COMMUNICATION BETWEEN TERMINALS - A method for performing direct communication between terminals includes: a transmitting terminal's encrypting data using a direct communication transport encryption key (DTEK) for direct communication; and transmitting the encrypted data to a receiving terminal, wherein the DTEK is managed in an SA (security association) defined within the transmitting terminal or the receiving terminal. | 01-24-2013 |
20130029697 | BASE STATION, MOBILE STATION, PAGING MESSAGE TRANSMITTING METHOD, AND PAGING MESSAGE RECEIVING METHOD - A base station allocates a paging group to a mobile station. The base station transmits, to a mobile station, a first message including indices of a plurality of carriers and information for the plurality of carriers and a second message including paging group information representing whether each of a plurality of carriers supports each of one or more paging groups. Then, the base station selects a paging transmission carrier for the mobile station from among at least one paging carrier corresponding to the paging group allocated to the mobile station and transmits the paging message through the paging transmission carrier. | 01-31-2013 |
20130039255 | BASE STATION, MOBILE STATION, PAGING MESSAGE TRANSMITTING METHOD, AND PAGING MESSAGE RECEIVING METHOD - A method for a base station supporting multicarrier operation to transmit a paging message is provided. The base station determines a first time point for multicast broadcast service (MBS)-related information and transmits the MBS-related information through a first carrier at the first time point. Also, the base station determines a second time point for transmitting a paging message to a mobile station, determines a second carrier for transmitting the paging message to the mobile station, and transmits the paging message through the second carrier at the second time point. Here, the second time point is different from the first time point. | 02-14-2013 |
20130064164 | METHOD AND APPARATUS FOR MANAGING MULTICAST SERVICE - A method of managing a multicast service is provided to a mobile station. The mobile station receives from a base station a message including information on a multicast indication cycle including a multicast available interval and a multicast unavailable interval. The mobile station receives a multicast indicator in the multicast available interval of the multicast indication cycle, and receives a multicast traffic at a transmission time indicated by the multicast indicator. | 03-14-2013 |
20130065634 | METHOD FOR COMMUNICATION OF TERMINAL AND METHOD FOR COMMUNICATION OF BASE STATION - A method for communication of a terminal and a method for communication of a base station are disclosed. Communication between a first base station with a problem in a backbone and a second base station located beyond the coverage of the degraded base station and neighboring the first base station is relayed by a terminal. Accordingly, the first base station is able to continuously provide service to subordinate stations. | 03-14-2013 |
20130077512 | METHOD AND TERMINAL FOR DIRECT COMMUNICATION BETWEEN TERMINALS - A direct communication method between terminals is provided. When a terminal receives a plurality of synchronization information parts, the terminal selects synchronization information to acquire a reference time among the plurality of synchronization information parts according to a priority. Here, the priority is an order of first synchronization information that is received from a base station, second synchronization information that is received from a global positioning system (GPS), and third synchronization information that is received from a terminal in which a hop count from the base station or the GPS is small. | 03-28-2013 |
20130107789 | METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING DATA | 05-02-2013 |
20130107795 | COMMUNICATION METHOD OF RELAY, TERMINAL, AND COMMUNICATION METHOD OF THE TERMINAL | 05-02-2013 |
20130109298 | TERMINAL AND METHOD OF COMMUNICATING IN THE SAME | 05-02-2013 |
20130121236 | MULTICAST MANAGEMENT METHOD AND APPARATUS - A multicast management method of a base station is provided. The base station generates a CRC for a message including resource allocation information of a multicast group including a plurality of terminals, and masks the CRC by a CRC mask. The base station adds the masked CRC to the message, and then transmits the message to which the masked CRC is added to the multicast group. | 05-16-2013 |
20130130736 | GROUP COMMUNICATION METHOD AND APPARATUS - A group communication method of a terminal is provided. The terminal establishes a group call connection with a first base station belonging to a group call zone, and receives group call data from the first base station. When moving to the coverage area of a second base station belonging to the group call zone, the terminal receives group call data from the second base station. | 05-23-2013 |
20130176935 | TERMINAL AND COMMUNICATION METHOD THEREOF - A communication method of a terminal that can operate in a relay mode or a base station mode is provided. When the terminal, having received a service from a first base station, detects that a service connection to the first base station is unavailable, the terminal searches for a second base station, which is an available neighboring base station. The terminal transmits a ranging request message including a base station identifier of the first base station to the second base station. | 07-11-2013 |
20130177030 | METHOD AND APPARATUS FOR TRANSMITTING SYNCHRONIZATION CHANNEL, AND METHOD AND APPARATUS FOR RECEIVING SYNCHRONIZATION CHANNEL - In a direct communication between terminals, a terminal transmits a synchronization channel preamble part after transmitting a synchronization channel message part including synchronization information. The terminal receives a dedicated channel including a direct communication packet after transmitting the synchronization channel preamble part. A transition time gap for switching from transmission to reception may be inserted to an end of the synchronization channel preamble part. | 07-11-2013 |
20130208584 | MOBILE STATION, BASE STATION, AND RELAY STATION FOR A WIRELESS ACCESS SYSTEM - Protocol structure of a mobile station, base station or relay station in a wireless access system is provided. The protocol structure includes a first function block configured to perform radio resource control and management as a MAC layer and to reside on a control plane, and a second function block configured to perform medium access control as the MAC layer and to reside on the control plane and a data plane. The first function block includes various function blocks for supporting high reliability. | 08-15-2013 |
20130235784 | METHOD AND APPARATUS FOR MANAGING MULTICAST RESOURCE - A method of managing a multicast resource is provided by a base station. The base station allocates a multicast resource to a multicast group. The base station generates a MAP IE including information of the multicast resource and a transmission indication for indicating whether the multicast resource is fragmented, and transmits the MAP IE to the multicast group. | 09-12-2013 |
20130286819 | MULTIMODE APPARATUS AND COMMUNICATON METHOD THEREOF - A multimode apparatus and a communication method thereof are disclosed. If the multimode apparatus is chosen to serve as a relay station due to a base station having a backhaul link problem, it sets up a first relay link with a first base station. Upon receiving a request for releasing the first relay link from the first base station even though the backhaul link is not restored, the multimode apparatus sets up a second relay link with a second base station, or configures and operates a standalone network or an independent network. | 10-31-2013 |
20140016551 | METHOD AND APPARATUS FOR IDENTIFYING COMMUNICATION LINKS, AND COMMUNICATION METHOD - A communication method for a third device that controls a first link established directly between a first device and a second device is provided. The third device allocates a first link identifier for identifying the first link. The third device transmits first information including the first link identifier to the first device and the second device. The third device receives, from the first device and the second device, second information including allocation acceptance information indicating the acceptance or rejection of allocation of the first link identifier. | 01-16-2014 |
20140024384 | COMMUNICATION METHOD OF TERMINAL AND COMMUNICATION METHOD OF BASE STATION FOR DIRECT COMMUNICATION LINK BETWEEN TERMINALS - A communication method of a terminal and a communication method of a base station for a direct communication link between terminals are disclosed. A base station schedules a reference terminal to transmit a ranging code, and schedules target terminals to receive the ranging code. The reference terminal measures the ranging code received from the target terminals, and transmits a ranging code measurement result to the base station. The base station selects a terminal from among the target terminals to form the direct communication link with the reference terminal among the target terminals based on the ranging code measurement result. | 01-23-2014 |
20140038580 | METHOD FOR COMMUNICATION OF BASE STATION AND TERMINAL - A method of performing communication of a terminal includes the terminal transmitting state information thereof to a base station, and the terminal receiving a mode change request from the base station when the terminal is selected by the base station. | 02-06-2014 |
20140140286 | METHOD OF DIRECT COMMUNICATION BY TERMINAL - A method for a first terminal communicating with a base station to perform direct communication with a second terminal is provided. The first terminal determines first timing for transmitting or receiving a first signal to or from the base station. Next, the first terminal determines second timing for transmitting a second signal for terminal discovery to the second terminal. When the first timing and the second timing overlap, the first terminal then changes either the first timing or the second timing. | 05-22-2014 |
20140146728 | METHOD AND APPARATUS FOR MANAGING LOW-DUTY MODE OPERATION - A method of managing a low-duty mode operation is provided by a small base station. The small base station determines a low-duty cycle pattern in which an available interval for data traffic transmission on active air interface and an unavailable interval for transmitting no data traffic are repeated, and provides a terminal with low-duty cycle pattern information. The low-duty cycle pattern information includes a length of the available interval and a start offset indicating a wireless frame at which the low-duty cycle pattern starts. | 05-29-2014 |
20140334356 | RESOURCE MANAGEMENT METHOD AND APPARATUS FOR CONTROLLING INTERFERENCE BETWEEN CELLS - An exemplary embodiment of the present invention provides a resource management method performed by a coordinator for controlling interference between cells. The coordinator receives a channel state of a second base station neighboring a first base station from the first base station. The coordinator partitions a resource based on the channel state. The coordinator allocates the partitioned resource to the first base station. In addition, the coordinator transmits a first message requesting resource management to be set to the first base station. Here, the first message includes information on the allocated resource. | 11-13-2014 |
20150045033 | METHOD OF RELAY BETWEEN DEVICES - A data relay method includes receiving a relay request from a BS, and when the relay request is accepted, relaying data between the BS and at least one external terminal, or the data relay method includes determining relaying between a first terminal among a plurality of terminals, and other remaining terminals excluding the first terminal among the plurality of terminals, and relaying data between the first terminal and the other remaining terminals. | 02-12-2015 |