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公开(公告)号:KR101920488B1
公开(公告)日:2018-11-20
申请号:KR1020120022060
申请日:2012-03-02
Applicant: 한국전자통신연구원
Abstract: 본발명에따른중계방법은기지국의중계방법으로서, 제1 기지국의백홀링크가손상되면, 상기제1 기지국이백홀링크가손상되지않은제2 기지국과중계링크를설정하는단계, 그리고상기제1 기지국이상기중계링크를통하여서비스를하는단계를포함한다.
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公开(公告)号:KR101759339B1
公开(公告)日:2017-07-20
申请号:KR1020100053075
申请日:2010-06-04
CPC classification number: H04W52/0206 , H04W8/005 , H04W84/045 , Y02D70/1226
Abstract: 본발명에따른기지국관리방법은기지국의운용모드를관리하는관리방법으로서, 상기기지국이관리하는셀 내에단말이존재하지않는지판단하는단계, 그리고상기셀 내에상기단말이존재하지않는경우저 임무운영모드(low duty operation mode, LDM)로동작하는단계를포함한다.
Abstract translation: 根据本发明的用于管理所述基站的工作模式,由所述基站,管理,确定是否当在小区中的用户站,和所述的控制基站管理过程不是UE存在于细胞中,低负载操作模式 (低工作模式,LDM)。
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公开(公告)号:KR1020170066040A
公开(公告)日:2017-06-14
申请号:KR1020150172570
申请日:2015-12-04
Applicant: 한국전자통신연구원
Abstract: 이동통신시스템에서송신장치는복수의부슬롯을포함하는서브프레임에서하나의부슬롯이전송되는데 걸리는시간을짧은 TTI(short transmission time interval)로정의하고, 홀수번째부슬롯과짝수번째부슬롯에해당하는두 부슬롯간에공유하는하나의전송심볼을이용하여기준신호를전송하며, 상기두 부슬롯에서상기하나의전송심볼을제외한나머지전송심볼을이용하여송신데이터를전송한다.
Abstract translation: 在移动通信系统中,发送装置计算用于在包括多个子时隙的子帧中发送一个子时隙的短发送时间间隔(TTI) 并且使用除两个子时隙中的一个发送符号之外的其余发送符号来发送发送数据。
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公开(公告)号:KR1020170066038A
公开(公告)日:2017-06-14
申请号:KR1020150172565
申请日:2015-12-04
Applicant: 한국전자통신연구원
Abstract: 이동통신시스템에서송신장치는복수의전송심볼을포함하는서브프레임에서일부의전송심볼로짧은 TTI(short transmission time interval)를구성하고, 짧은 TTI의전송심볼들중에서첫 번째심볼에서기준신호와송신데이터의일부를다중화하여전송하며, 상기첫 번째심볼을제외한나머지심볼에서상기송신데이터의나머지일부를전송한다.
Abstract translation: 发送码元较短的TTI(短传输时间间隔)配置的发送设备部分,并且从短TTI的发送符号和发送数据到子帧包括在移动通信系统中的多个发送码元的第一码元的参考信号。 并且在除了第一个符号之外的其余符号中发送剩余部分的发送数据。
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公开(公告)号:KR1020160143567A
公开(公告)日:2016-12-14
申请号:KR1020160069537
申请日:2016-06-03
Applicant: 한국전자통신연구원
IPC: H04L5/00
CPC classification number: H04L5/0053 , H04L5/0005 , H04L5/001
Abstract: 상향링크제어채널은상향링크제어정보및 시퀀스의곱으로표현되는상향링크제어채널및 서로다른순환전치를갖는시퀀스로표현되는복조기준신호를포함하는물리상향링크제어채널을짧은자원블록(short resource block, sRB)을통해서송신하는방법및 장치가제공된다.
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公开(公告)号:KR101642976B1
公开(公告)日:2016-07-27
申请号:KR1020100064129
申请日:2010-07-02
Applicant: 한국전자통신연구원
IPC: H04B7/26
CPC classification number: H04W48/08 , H04W84/045
Abstract: 펨토기지국의동작방법이제공된다. 상기방법은상기펨토기지국이활성화되는상태인유효구간(Available Interval; AI)의길이정보(length information)과상기펨토기지국이비활성화되는상태인비유효구간(Unavailable Interval; UAI)의길이정보를포함하는제1 저임무운영(Low Duty Operation; LDO) 패턴관련정보를단말에전송하는단계및 상기 AI와상기 UAI의시퀀스(sequence)인제1 LDO 사이클(cycle)이반복되어형성되는상기제1 LDO 패턴(pattern)을기반으로동작하는단계를포함하되, 상기제1 LDO 패턴관련정보는상기제1 LDO 사이클의시작시점을유도하는정보인슈퍼프레임오프셋(superframe offset)을더 포함하는것을특징으로한다.
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公开(公告)号:KR1020150031385A
公开(公告)日:2015-03-24
申请号:KR1020130110677
申请日:2013-09-13
Applicant: 한국전자통신연구원
CPC classification number: H04W16/28 , H04B7/022 , H04B7/0617 , H04B7/0626
Abstract: 제어 채널의 커버리지를 확장할 수 있는 빔형성 방법 및 장치를 통해, 인접 통신 기기를 수신 가능한 빔의 개수에 따라서 분류하고 그에 따라 빔의 전송 빈도 또는 전송 주기를 조절하여 제어 채널을 빔형성 방식으로 전송함으로써, 오버헤드를 줄이고, 전송률을 증가시키며 커버리지 홀 현상을 방지할 수 있다.
Abstract translation: 本发明涉及能够扩展控制信道的覆盖范围的波束形成方法和波束成形装置。 根据本发明,波束形成装置执行以下步骤:基于能够被每个通信设备接收的波束的数量来对相邻通信设备进行分类; 根据分类调整光束的传输频率或传输周期; 以及通过波束形成模式发送控制信道。 结果,本发明减少开销,提高传输速率,并且可以防止覆盖漏洞。
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公开(公告)号:KR1020140119857A
公开(公告)日:2014-10-13
申请号:KR1020130033048
申请日:2013-03-27
Applicant: 한국전자통신연구원
IPC: H04W56/00
CPC classification number: H04J3/0652 , H04W56/002
Abstract: The present invention relates to a synchronization group management device and, more specifically, to a method to manage a plurality of groups in a synchronization group management device of a node included in a single group among a plurality of groups in a wireless communication network. According to an embodiment of the present invention, the synchronization group management method includes the steps of: searching for the group the node is included in and groups adjacent to the previous group; determining the role of the group including the node which can be a master group or a slave group; and merging the group with the adjacent groups when the group including the node is a slave group.
Abstract translation: 本发明涉及一种同步组管理装置,更具体地说,涉及在无线通信网络中的多个组中的单个组中包括的节点的同步组管理装置中管理多个组的方法。 根据本发明的一个实施例,同步组管理方法包括以下步骤:搜索包括在该组中的组,并且与之前的组相邻组; 确定包括可以是主组或从组的节点的组的角色; 并且当包括节点的组是从组时,将组合与相邻组合并。
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公开(公告)号:KR1020140009929A
公开(公告)日:2014-01-23
申请号:KR1020130081175
申请日:2013-07-10
Applicant: 한국전자통신연구원
IPC: H04B7/26
Abstract: According to an embodiment of the present invention, provided is a communication method for a third device that controls a first link established directly between a first device and a second device. 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. [Reference numerals] (100) Control unit; (200) Reception unit; (300) Transmission unit
Abstract translation: 根据本发明的实施例,提供了一种用于控制直接在第一设备和第二设备之间建立的第一链路的第三设备的通信方法。 第三设备分配用于识别第一链路的第一链路标识符。 第三设备向第一设备和第二设备发送包括第一链路标识符的第一信息。 第三设备从第一设备和第二设备接收包括指示接受或拒绝第一链路标识符的分配的分配接受信息的第二信息。 (附图标记)(100)控制单元; (200)接待单位; (300)传输单元
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公开(公告)号:KR1020140007544A
公开(公告)日:2014-01-20
申请号:KR1020120074513
申请日:2012-07-09
Applicant: 한국전자통신연구원
CPC classification number: H04W12/04 , H04L63/0823 , H04W12/06 , H04W84/18
Abstract: Provided is an authentication method in a wireless mesh network which can reduce overload and delays in communications during authentication processes by performing authentication between nodes without accessing an authentication server. The authentication method in a wireless mesh network according to an embodiment of the present invention comprises the following steps of: selecting, by a new node, a first adjacent node among at least one adjacent mode and transmitting an authentication request message including a public key of the new node; authenticating, by the first adjacent node, the public key of the new node and transmitting an authentication response message including a public key of the first adjacent node to the new node; and authenticating, by the new node, the public key of the first adjacent node and transmitting an authentication confirmation message to the first adjacent node. [Reference numerals] (103) New node; (105) First adjacent node; (S201) Authentication request message; (S203) Authentication response message; (S205) Authentication confirmation message; (S207) Session key request message; (S209) Session key response message
Abstract translation: 提供了一种无线网状网络中的认证方法,其可以通过在不访问认证服务器的情况下执行节点之间的认证来减少认证处理期间的通信的过载和延迟。 根据本发明的实施例的无线网状网络中的认证方法包括以下步骤:由新节点选择至少一个相邻模式中的第一相邻节点,并发送包括公钥的认证请求消息 新节点; 由所述第一相邻节点认证所述新节点的公开密钥,并向所述新节点发送包括所述第一相邻节点的公开密钥的认证响应消息; 以及由所述新节点认证所述第一相邻节点的公开密钥并向所述第一相邻节点发送认证确认消息。 (附图标记)(103)新节点; (105)第一相邻节点; (S201)认证请求消息; (S203)认证响应消息; (S205)认证确认消息; (S207)会话密钥请求消息; (S209)会话密钥响应消息
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