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公开(公告)号:KR1020110072670A
公开(公告)日:2011-06-29
申请号:KR1020090129701
申请日:2009-12-23
Applicant: 한국전자통신연구원 , 한국항공대학교산학협력단
CPC classification number: H04W72/121 , H04W4/08 , H04W72/042
Abstract: PURPOSE: A method for assigning the radio resource to a plurality of terminals forming a group is provided to transmit only the control information for the terminal in which the transport format or the resources is changed. CONSTITUTION: An ABS(Advanced Base Station) adds the AMS(Advanced Mobile Station) in a group(S110). The ABS transmits the group scheduling information determined by the scheduling to a plurality of AMSs belonging to the group(S120). The group scheduling information comprises the terminal indication information and the resource information. The terminal indication information directs whether the information for the radio resource allocated to the AMS is changed or not. The resource information directs the changed radio resource of the AMS.
Abstract translation: 目的:提供一种用于将无线电资源分配给形成组的多个终端的方法,以仅传送传输格式或资源改变的终端的控制信息。 规定:ABS(高级基站)将AMS(高级移动台)添加到组(S110)中。 ABS将由调度确定的组调度信息发送给属于组的多个AMS(S120)。 组调度信息包括终端指示信息和资源信息。 终端指示信息指示分配给AMS的无线电资源的信息是否改变。 资源信息指示AMS的改变的无线电资源。
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公开(公告)号:KR101083227B1
公开(公告)日:2011-11-11
申请号:KR1020090129701
申请日:2009-12-23
Applicant: 한국전자통신연구원 , 한국항공대학교산학협력단
Abstract: 그룹을형성하는복수의단말에무선자원을할당하는방법을제공한다. 상기방법은단말을그룹에추가하는단계, 스케줄링에의해결정되는그룹스케줄링정보를상기그룹에속하는복수의단말로전송하는단계를포함한다. 상기그룹스케줄링정보는단말지시정보및 자원정보를포함한다. 상기단말지시정보는상기단말에할당되는무선자원에관한정보가변경되는지여부를지시한다. 상기자원정보는상기단말의변경되는무선자원을지시한다. 그룹내단말전체에변경사항이없는경우기지국은 MAP IE를전송하지않고, 단말은지속적할당방식과같이이전에할당받은자원을이전전송포맷에맞추어디코딩하므로, MAP 오버헤드가감소되는효과가있다.
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公开(公告)号:KR1020120129815A
公开(公告)日:2012-11-28
申请号:KR1020120052940
申请日:2012-05-18
Applicant: 한국전자통신연구원 , 한국항공대학교산학협력단
CPC classification number: H04W56/002 , H04W56/0035
Abstract: PURPOSE: A method for performing direct communications between terminals and the terminal supporting the same are provided to obtain synchronization between the terminals performing direct communications by improving a synchronization channel structure. CONSTITUTION: Direct communications is performed with one or more second terminals using allocated resources for the direct communications between terminals. The resources include a synchronous channel which is used for frequency synchronization and time synchronization between the terminals. The synchronization channel includes a synchronization channel preamble which is used for either preamble detection, time offset estimation, frequency offset estimation, or channel estimation. The synchronization channel preamble is either a first sequence repeating a basic pattern or a second sequence combining the basic pattern with a pattern multiplying the basic pattern by (-1). One or more OFDM(orthogonal frequency division multiplexing) symbols are used for transmitting the synchronization channel preamble.
Abstract translation: 目的:提供终端与支持终端之间的直接通信的方法,以通过改善同步信道结构来实现直接通信的终端之间的同步。 构成:使用分配的资源对一个或多个第二终端进行直接通信,用于终端之间的直接通信。 该资源包括用于频率同步和终端之间的时间同步的同步信道。 同步信道包括用于前导码检测,时间偏移估计,频率偏移估计或信道估计的同步信道前同步码。 同步信道前导码是重复基本模式的第一序列或将基本模式与将基本模式相乘的模式(-1)组合的第二序列。 一个或多个OFDM(正交频分复用)符号用于发送同步信道前导码。
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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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