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：KR1020140048401A

公开(公告)日：2014-04-24

申请号：KR1020120113155

申请日：2012-10-11

Applicant: 한국전자통신연구원

Inventor： 김정현 ,  김지형 ,  김현재 ,  임광재 ,  권동승

IPC: H04W28/04

CPC classification number: H04L1/1887 ,  H04L1/1607 ,  H04L1/1816 ,  H04L45/28 ,  H04L2001/0093

Abstract: Disclosed are a communication device and a data transmission method of the communication device. Upon receiving a feedback message which corresponds to data failed to be received by each communication receiver apparatus, the communication device generates a feedback matrix corresponding to the feedback message, selects candidate transmission data from the feedback matrix, and executes the network coding of the candidate transmission data to retransmit the data to each communication receiver apparatus. [Reference numerals] (S310) Receiving a feedback message; (S320) Updating a feedback matrix; (S330) Rearranging the feedback matrix according to priorities; (S340) Selecting a part of the feedback matrix to be used for transmission if candidate transmission data is greater than available transmission resources; (S350) Generating retransmission data in the selected part of the feedback matrix; (S360) Adding data to be transmitted if the generated retransmission data is less than the available transmission resources; (S370) Dividing the final retransmission data into a transmission unit; (S380) Adding a header to every transmission unit and transmitting the same

Abstract translation: 公开了通信装置的通信装置和数据发送方法。 在接收到对应于每个通信接收装置未能接收的数据的反馈消息时，通信装置产生与反馈消息对应的反馈矩阵，从反馈矩阵中选择候选传输数据，并执行候选传输的网络编码 用于将数据重发到每个通信接收装置的数据。 （附图标记）（S310）接收反馈消息; （S320）更新反馈矩阵; （S330）根据优先级重新排列反馈矩阵; （S340）如果候选传输数据大于可用传输资源，则选择要用于传输的反馈矩阵的一部分; （S350）在所述反馈矩阵的所选部分中生成重发数据; （S360）如果生成的重传数据小于可用传输资源，则添加要发送的数据; （S370）将最终重发数据分割成发送单元; （S380）将标题添加到每个传输单元并传送

公开(公告)号：KR1020130110985A

公开(公告)日：2013-10-10

申请号：KR1020120033381

申请日：2012-03-30

Applicant: 한국전자통신연구원

Inventor： 신우람 ,  김현재 ,  김지형 ,  이안석 ,  임광재 ,  권동승

IPC: H04W72/04 ,  H04W84/18 ,  H04J11/00

CPC classification number: H04W72/082 ,  H04W72/12 ,  H04J11/005 ,  H04W84/18

Abstract: PURPOSE: A resource allocating device for the interference evasion of a wireless communication system and a method thereof are provided to prevent receiving failure caused by interference generated by incomplete synchronization with neighbor nodes in a wireless mesh network. CONSTITUTION: An allocation control unit (230) selects a simultaneous receiving impossibility node and a simultaneous transmission impossibility node about each hop node of a node by using a signal quality value of each hop node. The allocation control unit excludes a transmission-expected resource of the simultaneous transmission impossibility node from a transmission resource during the transmission resource allocation of the node. The allocation control unit excludes the transmission-expected resource of the simultaneous transmission impossibility node from a receiving resource of the node during the receiving resource allocation of the node. [Reference numerals] (210) Transmitting unit; (220) Receiving unit; (230) Allocation control unit

Abstract translation: 目的：提供一种用于无线通信系统的干扰逃避的资源分配装置及其方法，以防止由于与无线网状网络中的邻居节点不完全同步而产生的干扰而导致的接收故障。 构成：分配控制单元（230）通过使用每个跳跃节点的信号质量值来选择关于节点的每个跳跃节点的同时接收不可能节点和同时发送不可能节点。 分配控制单元在节点的传输资源分配期间从传输资源排除同时传输不可能节点的传输预期资源。 在节点的接收资源分配期间，分配控制单元从节点的接收资源中排除同时发送不可能节点的发送预期资源。 （附图标记）（210）发送单元; （220）接收单元; （230）分配控制单元

公开(公告)号：KR1020130068392A

公开(公告)日：2013-06-26

申请号：KR1020110135515

申请日：2011-12-15

Applicant: 한국전자통신연구원

Inventor： 박인숙 ,  김현재 ,  임광재 ,  권동승

IPC: H04B7/04

CPC classification number: H04B7/0617 ,  H04B7/0632 ,  H04B7/0665 ,  H04B7/086 ,  H04W24/10

Abstract: PURPOSE: A data communication method between the wireless nodes is provided to simplify a calculation procedure of a beam-forming matrix by improving feedback information. CONSTITUTION: A reception node generates channel data by measuring channel information(S201). The reception node transmits the channel data to a transmission node. The transmission node generates a transmission beam-forming matrix and a reception beam-forming matrix by using the channel data(S203). The transmission node transmits the transmission beam-forming matrix and the reception beam-forming matrix to the reception node(S205). The reception node verifies the reception beam-forming matrix by using the transmitted transmission beam-forming matrix. The reception node gives feedback on a verification result to the transmission node. [Reference numerals] (AA) Start; (BB) No; (CC) Yes; (DD) End; (S201) Reception node measures channel information, generates channel data, and transmits the same to a transmission node; (S203) Transmission node generates a transmission beam-forming matrix(V(j)) and a reception beam-forming matrix(U(i)) by using the channel data; (S205) Transmission node transmits the V(j) and the U(i) to the reception node; (S207) Reception node self-generates a reception beam-forming matrix(U'(i)) using the V(j); (S209) Is the U(i) equal to the U'(i)?; (S211) Transmission node transmits data to the reception node by applying the V(j); (S213) Reception node transmits the U'(i) to the transmission node; (S215) Transmission node re-generates a V(j) by using the U'(i)

Abstract translation: 目的：提供无线节点之间的数据通信方法，通过改进反馈信息来简化波束形成矩阵的计算过程。 构成：接收节点通过测量频道信息来生成频道数据（S201）。 接收节点将信道数据发送到发送节点。 发送节点通过使用信道数据生成发送波束形成矩阵和接收波束形成矩阵（S203）。 发送节点将发送波束形成矩阵和接收波束形成矩阵发送到接收节点（S205）。 接收节点通过使用发送的发射波束形成矩阵来验证接收波束形成矩阵。 接收节点向发送节点提供关于验证结果的反馈。 （附图标记）（AA）开始; （BB）否 （CC）是; （DD）结束; （S201）接收节点测量信道信息，生成信道数据，并将其发送到发送节点; （S203）传输节点通过使用信道数据生成发射波束形成矩阵（V（j））和接收波束形成矩阵（U（i））; （S205）传输节点将V（j）和U（i）发送到接收节点; （S207）接收节点使用V（j）自身生成接收波束形成矩阵（U'（i））; （S209）U（i）是否等于U'（i）？ （S211）传输节点通过应用V（j）向接收节点发送数据; （S213）接收节点将U'（i）发送到发送节点; （S215）传输节点通过使用U'（i）重新生成V（j）

公开(公告)号：KR1020130063917A

公开(公告)日：2013-06-17

申请号：KR1020110130540

申请日：2011-12-07

Applicant: 한국전자통신연구원

Inventor： 이안석 ,  신우람 ,  김현재 ,  임광재 ,  권동승

IPC: H04W24/04 ,  H04W40/02 ,  H04W84/18

CPC classification number: H04W76/10 ,  H04W8/005 ,  H04W76/14 ,  H04W84/18

Abstract: PURPOSE: A network management method and a device thereof are provided to support a restoration for a connection using a link by rapidly connecting the link to a neighbor mesh node. CONSTITUTION: When an entry node entering into a transmission range is sensed, a neighbor node management unit(1100) selects the entry node and a mesh node as an agent node including a neighbor node from a plurality of neighbor nodes. The neighbor node management unit forms a link with the entry node through the agent node. A transmission and reception unit(1300) receives a message from the plurality of the neighbor nodes. The transmission and reception unit transmits the received message to the neighbor node management unit. [Reference numerals] (1100) Neighbor node management unit; (1200) Path management unit; (1300) Transmission and reception unit

Abstract translation: 目的：提供一种网络管理方法及其装置，以通过将链路快速连接到邻居网格节点来支持使用链路的连接的恢复。 构成：当检测到进入传输范围的入口节点时，邻居节点管理单元（1100）从多个邻居节点中选择入口节点和网状节点作为包括邻居节点的代理节点。 邻居节点管理单元通过代理节点与入口节点形成链路。 发送和接收单元（1300）从多个相邻节点接收消息。 发送和接收单元将接收到的消息发送到邻居节点管理单元。 （附图标记）（1100）邻居节点管理单元; （1200）路径管理单元; （1300）发送和接收单元

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