公开(公告)号：KR1020140074186A

公开(公告)日：2014-06-17

申请号：KR1020130129876

申请日：2013-10-30

Applicant: 한국전자통신연구원

Inventor： 차재선 ,  김은경 ,  이안석 ,  신우람 ,  임광재

IPC: H04W16/04 ,  H04W16/32

CPC classification number: H04W52/0206 ,  H04W16/04 ,  H04W16/32 ,  H04W84/045 ,  H04W88/08

Abstract: Provided is a method for managing a low duty operation of a small base station. The small base station determines a low duty cycle pattern in which an available section to perform a transmission operation by activating a wireless interface and an unavailable section in which the transmission operation is not performed are repeated and supplies low duty cycle pattern information including a start offset to instruct a wireless frame in which a cycle pattern starts and the length of the available interval to a terminal.

Abstract translation: 提供了一种用于管理小型基站的低占空比操作的方法。 小基站确定低占空比模式，其中通过激活无线接口执行发送操作的可用部分和不执行发送操作的不可用部分被重复，并且提供低占空比模式信息，其包括起始偏移量 指示周期模式开始的无线帧和到终端的可用间隔的长度。

公开(公告)号：KR101406320B1

公开(公告)日：2014-06-13

申请号：KR1020130023128

申请日：2013-03-05

Applicant: 한국전자통신연구원

Inventor： 김은경 ,  김성경 ,  김원익 ,  장성철 ,  김석기 ,  윤미영 ,  이현 ,  윤철식 ,  임광재

IPC: H04B7/26 ,  H04W72/00

Abstract: 멀티캐스트 자원 관리 방법으로서, 기지국이 멀티캐스트 그룹에 멀티캐스트 자원을 할당한다. 기지국은 멀티캐스트 자원의 정보와 멀티캐스트 자원이 분할되는지를 지시하는 전송 지시자를 포함하는 MAP IE를 생성한 후, 멀티캐스트 그룹에 MAP IE를 전송한다.

公开(公告)号：KR1020130028683A

公开(公告)日：2013-03-19

申请号：KR1020120099144

申请日：2012-09-07

Applicant: 한국전자통신연구원

Inventor： 김은경 ,  장성철 ,  김성경 ,  김원익 ,  윤미영 ,  김석기 ,  이현 ,  윤철식 ,  임광재

IPC: H04B7/26 ,  H04W4/06 ,  H04W52/02

CPC classification number: Y02D70/00 ,  H04W4/06 ,  H04W52/0206 ,  H04W76/45

Abstract: PURPOSE: A multicast service management method and a device thereof are provided to support a power saving mode for all mobile stations in the same multicast group. CONSTITUTION: A receiving unit(1410) receives a message including information about a multicast indication cycle from a base station. The multicast indication cycle includes a multicast available section and a multicast unavailable section. The receiving unit receives a multicast indicator in the multicast available section of the multicast indication cycle. The receiving unit receives multicast traffic at a transmission time indicated by the multicast indicator. A control unit(1420) confirms the multicast available section of the cycle. The control unit confirms the transmission time indicated by the multicast indicator. [Reference numerals] (1410) Receiving unit; (1420) Control unit

Abstract translation: 目的：提供多播服务管理方法及其设备，以支持同一组播组中所有移动台的省电模式。 构成：接收单元（1410）从基站接收包括关于组播指示周期的信息的消息。 组播指示周期包括组播可用部分和组播不可用部分。 接收单元在多播指示周期的多播可用部分中接收多播指示符。 接收单元在多播指示符指示的传输时间内接收组播流量。 控制单元（1420）确认该周期的多播可用部分。 控制单元确认由多播指示符指示的传输时间。 （附图标记）（1410）接收单元; （1420）控制单元

公开(公告)号：KR1020130028654A

公开(公告)日：2013-03-19

申请号：KR1020120089728

申请日：2012-08-16

Applicant: 한국전자통신연구원

Inventor： 이안석 ,  김은경 ,  장성철 ,  김성경 ,  김원익 ,  윤미영 ,  이현 ,  임광재 ,  권동승

IPC: H04W36/08 ,  H04W76/00 ,  H04B7/14

CPC classification number: H04W88/04 ,  H04B7/155 ,  H04W76/10

Abstract: PURPOSE: A communication method of a terminal and a communication method of a base station are provided to relay backbone data through an adjacent terminal when a problem occurs in a wired backbone link of the base station. CONSTITUTION: A terminal for setting first connection between first and second base stations is selected(S310). The first base station has a problem on backbone connection. The second base station is out of the coverage of the first base station and faces the first base station. A handover for generating the first connection is performed(S320). The first base station, the second base station, and the first connection are generated(S340). [Reference numerals] (S310) Step of searching a designated high reliability-mobile station and a target high reliability-base station; (S320) Step of performing a handover for generating Forwarding Between Infrastructure Station(FBIS) connection; (S330) Step of approaching the designated high reliability-mobile station to two base stations; (S340) Step of generating the FBIS connection; (S350) Step of terminating the FBIS connection

Abstract translation: 目的：当基站的有线骨干链路中出现问题时，提供终端的通信方法和基站的通信方法以通过相邻终端中继骨干数据。 构成：选择用于设置第一和第二基站之间的第一连接的终端（S310）。 第一个基站在骨干连接上有问题。 第二基站不在第一基站的覆盖范围内，而面向第一基站。 执行用于生成第一连接的切换（S320）。 生成第一基站，第二基站和第一连接（S340）。 （参考号）（S310）搜索指定的高可靠性移动站和目标高可靠性基站的步骤; （S320）执行切换以生成基站（FBIS）连接之间的转发的步骤; （S330）将指定的高可靠性移动站接近两个基站的步骤; （S340）生成FBIS连接的步骤; （S350）终止FBIS连接的步骤

公开(公告)号：KR1020130027995A

公开(公告)日：2013-03-18

申请号：KR1020120084134

申请日：2012-07-31

Applicant: 한국전자통신연구원

Inventor： 김원익 ,  김은경 ,  김성경 ,  장성철 ,  윤미영 ,  김석기 ,  이현 ,  윤철식 ,  임광재

IPC: H04B7/26 ,  H04W88/02 ,  H04W36/08

CPC classification number: H04W36/08 ,  H04W76/18 ,  H04W88/06

Abstract: PURPOSE: A communication method of a terminal and a base station is provided to relay a role of a base station to lower multifunction terminals. CONSTITUTION: A multifunction mobile station(130) is selected for executing a role of an upper base station(200). The multifunction mobile station receives a request which converts a base station mode from the upper base station. When the configuration of a base station mode is completed, the multifunction mobile station notifies the completion of the base station mode to the upper base station. The multifunction mobile station receives a command from the upper base station. The multifunction mobile station is converted into the base station mode.

Abstract translation: 目的：提供终端和基站的通信方法，将基站的作用中继到下位多功能终端。 构成：选择多功能移动台（130）来执行上基站（200）的作用。 多功能移动台接收从上位机转换基站模式的请求。 当基站模式的配置完成时，多功能移动台向基站通知基站模式的完成。 多功能移动台从上基站接收命令。 多功能移动台被转换成基站模式。

公开(公告)号：KR1020130007989A

公开(公告)日：2013-01-21

申请号：KR1020120075359

申请日：2012-07-11

Applicant: 한국전자통신연구원

Inventor： 김원익 ,  김은경 ,  김성경 ,  장성철 ,  이현 ,  윤미영 ,  윤철식 ,  임광재

IPC: H04W24/00 ,  H04W88/04

CPC classification number: H04W84/20 ,  H04W88/04 ,  H04W88/18

Abstract: PURPOSE: A communication method of a terminal is provided to execute an optimal base station role by avoiding mutual interference on a radio wave. CONSTITUTION: When a base station(100) is collapsed(S510) and a random back-off timer is terminated, a terminal(310) converts a mode(S540). After the mode is converted, the terminal is operated as a base station. A random back-off delay time calculated by the random back-off timer is determined according to the state information of the terminal. The state information includes the battery residual information of the terminal. The random back-off delay time is related to the mode conversion attempt. [Reference numerals] (100) Base station; (310,320) Multimode terminal; (330) Normal terminal; (BB) Preset time; (CC) Random back-off delay time; (S520,S530) Calculating random back-off time; (SS10) Base station function loss; (SS540) Base station mode conversion

Abstract translation: 目的：提供终端的通信方法，通过避免无线电波的相互干扰来执行最佳的基站角色。 构成：当基站（100）折叠（S510）并且随机退避定时器终止时，终端（310）转换模式（S540）。 在转换模式之后，终端作为基站进行操作。 根据终端的状态信息确定由随机退避定时器计算的随机退避延迟时间。 状态信息包括终端的电池残留信息。 随机退避延迟时间与模式转换尝试有关。 （附图标记）（100）基站; （310,320）多模终端; （330）正常终端; （BB）预设时间; （CC）随机退避延迟时间; （S520，S530）计算随机退避时间; （SS10）基站功能损耗; （SS540）基站模式转换

公开(公告)号：KR1020120100833A

公开(公告)日：2012-09-12

申请号：KR1020120022309

申请日：2012-03-05

Applicant: 한국전자통신연구원 ,  한국항공대학교산학협력단

Inventor： 장성철 ,  김은경 ,  김성경 ,  이현 ,  윤철식 ,  정영호

IPC: H04W72/04 ,  H04W92/18

CPC classification number: H04W72/0406 ,  H04W92/18

Abstract: PURPOSE: A direct communication execution method is provided to enable a terminal which locates in the outside to execute direct communication using fixedly allocated resources. CONSTITUTION: A terminal directly communicates with another terminal using a common direct communication resources(S200). When the terminal receives the allocation of separate direct communication resources, the terminal transmits information for the separate direct communication resources(S210,S220). The terminals executes direct communication using the common direct communication resources or the separate direct communication resources(S230). [Reference numerals] (230,240) Terminal; (AA) Base station; (S200) Direct communication using CDMZ; (S210) CDMZ allocation; (S220) Information transmission for CSDMZ using CDMZ; (S230) CDMZ and/or direct communication using CADMZ

Abstract translation: 目的：提供直接通信执行方法，使位于外部的终端能够使用固定分配的资源进行直接通信。 规定：终端使用公共直接通信资源直接与另一终端进行通信（S200）。 当终端接收到分离的直接通信资源的分配时，终端发送用于分离的直接通信资源的信息（S210，S220）。 终端使用公共直接通信资源或单独的直接通信资源来执行直接通信（S230）。 （标号）（230,240）端子; （AA）基站; （S200）使用CDMZ进行直接通信; （S210）CDMZ分配; （S220）使用CDMZ的CSDMZ的信息传输; （S230）CDMZ和/或使用CADMZ的直接通信

公开(公告)号：KR1020120100831A

公开(公告)日：2012-09-12

申请号：KR1020120022059

申请日：2012-03-02

Applicant: 한국전자통신연구원

Inventor： 김은경 ,  김성경 ,  장성철 ,  이현 ,  윤철식 ,  김원익 ,  윤미영 ,  임광재

IPC: H04B7/14 ,  H04W36/08

CPC classification number: H04W24/04 ,  H04W36/08 ,  H04W76/12 ,  H04W76/32

Abstract: PURPOSE: A relay method of a base station is provided to execute a repeater role by connecting a base station to a neighbor base station. CONSTITUTION: A base station of a relay mode transmits a DREG-REQ(Deregistration Request) message to a neighbor base station(s611). The base station transmits an HO-CMD(Handover-Command) message to the terminal(S612). The base station requests a callback handover request message to the base station(S614). The base station transmits the handover request message to the terminal(S615). When the handover is completed, communication between the terminal and the base station is executed(S616). [Reference numerals] (110,120) Base station; (210) Terminal; (AA) Backhaul link restoration; (BB,CC) Operation as a repeater; (S616) Handover completion and communication

Abstract translation: 目的：提供基站的中继方法，通过将基站连接到邻近基站来执行中继器的作用。 构成：中继模式的基站向相邻基站发送DREG-REQ（注销请求）消息（s611）。 基站向终端发送HO-CMD（切换命令）消息（S612）。 基站向基站请求回叫切换请求消息（S614）。 基站向终端发送切换请求消息（S615）。 当切换完成时，执行终端与基站的通信（S616）。 （110,120）基站; （210）码头; （AA）回程链路恢复; （BB，CC）作为中继器操作; （S616）切换完成和通讯

公开(公告)号：KR1020120073142A

公开(公告)日：2012-07-04

申请号：KR1020110141346

申请日：2011-12-23

Applicant: 한국전자통신연구원

Inventor： 김은경 ,  김성경 ,  장성철 ,  김원익 ,  윤미영 ,  이현 ,  윤철식 ,  임광재

IPC: H04W76/02 ,  H04W4/08 ,  H04B7/26

CPC classification number: H04W76/40 ,  H04W4/06 ,  H04W4/08 ,  H04W72/005 ,  H04W72/042

Abstract: PURPOSE: A multicast connection establishment method and apparatus thereof are provided to confirm supportable multicast services by exchanging multicast service abilities in a mobile station and a base station. CONSTITUTION: A mobile station transmits a registration message. A base station transmits a registration response message to the mobile station(S410). A node of the mobile station and the base station starts a dynamic service addition process for multicast connection(S420). The mobile station receives a downlink control channel including multicast resource assignment information from the base station(S430). The mobile station receives multicast data from the base station through the assigned resources(S440).

Abstract translation: 目的：提供一种组播连接建立方法及其装置，用于通过在移动台和基站中交换多播服务能力来确认可支持的组播业务。 规定：移动台发送注册消息。 基站向移动台发送登记响应消息（S410）。 移动台和基站的节点开始多播连接的动态服务添加处理（S420）。 移动站从基站接收包括组播资源分配信息的下行控制信道（S430）。 移动台通过分配的资源从基站接收组播数据（S440）。

公开(公告)号：KR1020120072964A

公开(公告)日：2012-07-04

申请号：KR1020100134917

申请日：2010-12-24

Applicant: 한국전자통신연구원

Inventor： 김은경 ,  김성경 ,  장성철 ,  이현 ,  윤철식

IPC: H04W76/04 ,  H04B7/26 ,  H04W4/06

CPC classification number: H04W76/25 ,  H04W4/06 ,  H04W76/30

Abstract: PURPOSE: A connection method conversion method in group communication is provided to determine the conversion of unicast connection lines by considering of the channel state of a mobile station. CONSTITUTION: A base station establishes multicast connection in plural mobile stations which attend to group communication. The base station determines the conversion of unicast connection based on the number of the mobile stations or the channel state of the mobile stations. In case the conversion of the unicast connection line is determined, the base station establishes the unicast connection to the each mobile station.

Abstract translation: 目的：提供组通信中的连接方法转换方法，通过考虑移动台的信道状态来确定单播连接线路的转换。 构成：基站在组群通信的多个移动站中建立组播连接。 基站基于移动站的数量或移动站的信道状态来确定单播连接的转换。 在确定单播连接线路的转换的情况下，基站建立到每个移动台的单播连接。