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公开(公告)号：KR1020170007192A
公开(公告)日：2017-01-18
申请号：KR1020160087126
申请日：2016-07-08
Applicant: 한국전자통신연구원
Abstract: 근접통신을위한방법및 장치가개시된다. 송신기에의한근접통신방법은 PHY(physical layer) 프리앰블, 프레임헤더및 페이로드필드를포함하는 PHY(physical layer) 프레임을생성하는단계; 및상기 PHY 프레임을수신기로전송하는단계를포함할수 있다. 여기서, 프레임헤더는 PHY 헤더, MAC(medium access control) 헤더, HCS(header check sequence) 및 RS(Reed Soloman) 패러티비트를포함할수 있다.
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公开(公告)号：KR1020170007141A
公开(公告)日：2017-01-18
申请号：KR1020160085028
申请日：2016-07-05
Applicant: 한국전자통신연구원
CPC classification number: H04W76/14 , H04B5/0025 , H04W4/80 , H04W8/005 , H04W24/08
Abstract: 터치액션을수행하는통신방법및 상기방법을수행하는통신장치및 사용자단말이개시된다. 개시된사용자단말은통신장치로부터미리결정된거리만큼이격된위치에서의예상수신세기를포함하는비콘을수신하고, 수신된비콘의수신세기를측정하고, 측정된수신세기및 비콘에포함된예상수신세기를비교하며, 측정된수신세기가예상수신세기보다크거나같은경우, 통신장치로연결요청(association request)을전송한다.
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53.发明公开WLAN 시스템에서의 하향 링크에 대한 간섭 정렬 방법 및 이를 수행하기 위한 액세스 포인트 및 사용자 단말 审中-实审用于无线局域网系统中的下行链路的无线对准方法接入点和用于执行其的用户终端
公开(公告)号：KR1020160124552A
公开(公告)日：2016-10-28
申请号：KR1020150055371
申请日：2015-04-20
Applicant: 한국전자통신연구원
CPC classification number: H04B7/0452 , H04W16/28 , H04W52/241 , H04W72/082 , H04W84/12
Abstract: 무선랜시스템에서하향링크를위한간섭정렬방법및 이를수행하기위한액세스포인트및 사용자단말이개시된다. 액세스포인트는랜덤하게선택된빔들에대한빔 정보를브로드캐스트하고, 사용자단말은액세스포인트로부터수신한빔 정보에기초하여간섭누출을계산할수 있다. 사용자단말은간섭누출정보를포함하는피드백정보를생성하여액세스포인트에전송할수 있다. 액세스포인트는사용자단말로부터수신한피드백정보에기초하여각 빔들에대한전송전력조건을결정하고, 결정된전송전력조건에따라데이터를사용자단말에전송할수 있다.
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公开(公告)号：KR1020160018351A
公开(公告)日：2016-02-17
申请号：KR1020150099635
申请日：2015-07-14
Applicant: 한국전자통신연구원
Abstract: 무선랜에서스테이션의동작방법이개시된다. 본발명에따른무선랜에서스테이션의동작방법은, 레거시프리앰블(legacy preamble)을생성하는단계; 복수의수신스테이션들의스케줄링(scheduling) 정보를포함하는 HE(high efficiency) 프리앰블을생성하는단계; 및상기레거시프리앰블, 상기 HE 프리앰블및 페이로드(payload)를포함하는 PPDU(PLCP(physical layer convergence procedure) protocol data unit)를생성하는단계를포함할수 있다.
Abstract translation: 公开了一种在无线局域网中的站的操作方法。 根据本发明，无线局域网中的操作方法可以包括以下步骤：产生传统前同步码; 生成包括多个接收站的调度信息的高效率（HE）前导码; 以及生成包括遗留前导码，HE前导码和有效载荷的物理层收敛过程（PLCP）协议数据单元（PPDU）。
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公开(公告)号：KR1020160000222A
公开(公告)日：2016-01-04
申请号：KR1020140077334
申请日：2014-06-24
Applicant: 한국전자통신연구원
IPC: H04B7/04
CPC classification number: H04B7/0452 , H04B7/0617 , H04B7/0634 , H04B15/00
Abstract: 다운링크 MU-MIMO을위한반복적간섭정렬방법및 장치가제공된다. 간섭정렬방법은임의로생성한송신빔포밍벡터를사용자단말로송신하고, 송신빔포밍벡터에기초하여간섭을최소화하도록계산된수신빔포밍벡터를사용자단말로부터수신하고, 수신빔포밍벡터에기초하여, 송신빔포밍벡터를업데이트할수 있다. 구체적으로, 간섭정렬방법은수신빔포밍벡터에기초하여, 인터-기본서비스세트의간섭을최소화하는송신빔포밍벡터의공간을계산하고, 수신빔포밍벡터에기초하여, 인트라-기본서비스세트의간섭을고려하는송신빔포밍매트릭스를계산하고, 송신빔포밍벡터의공간및 송신빔포밍매트릭스를이용하여송신빔포밍벡터를업데이트할수 있다.
Abstract translation: 提供了一种用于对准下行链路多用户多输入多输出（MU-MIMO）的迭代干扰的方法和装置。 用于对准干扰的方法包括以下步骤：将任意生成的发送波束形成向量发送到用户终端; 从所述用户终端接收基于所述传输波束形成向量计算的使干扰最小化的接收波束形成向量; 以及基于接收波束形成向量来更新传输波束成形向量。 特别地，用于对准干扰的方法包括以下步骤：基于接收波束形成向量计算使基础间服务集的干扰最小化的传输波束形成向量的空间; 计算基于接收波束形成向量考虑基本内服务集的干扰的传输波束成形矩阵; 以及通过使用传输波束形成向量和传输波束形成矩阵的空间来更新传输波束形成向量。
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Patent Agency Ranking
公开(公告)号：KR1020150065140A
公开(公告)日：2015-06-12
申请号：KR1020140164420
申请日：2014-11-24
Applicant: 한국전자통신연구원
Abstract: 무선랜에서간섭정렬을위한채널사운딩및 스케쥴링방법이개시된다. 사운딩방법은, 복수의액세스포인트들각각의식별정보로구성된 OIA 후보 AP 리스트를포함한 RTS 프레임을전송하는단계, OIA 후보 AP 리스트중에서첫 번째액세스포인트인제2 액세스포인트에 CTS 프레임의전송을트리거하기위한 CTS-폴프레임을전송하는단계및 제2 액세스포인트로부터 CTS-폴프레임에대한응답인 CTS 프레임을수신하는단계를포함한다. 따라서, 무선랜의통신성능이향상될수 있다.
Abstract translation: 公开了一种用于在无线局域网（LAN）中发送和调度干扰对准的信道的方法。 用于发声信道的方法包括以下步骤：发送包括由多个接入点中的每一个的识别信息组成的OIA候选AP列表的RTS帧; 发送用于触发CTS帧传输到作为OIA候选AP列表中的第一接入点的第二接入点的CTS轮询帧; 以及从第二接入点接收关于CTS轮询帧的CTS帧的响应。 因此，根据该方法，能够提高无线LAN的通信性能。
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公开(公告)号：KR1020140119638A
公开(公告)日：2014-10-10
申请号：KR1020140035951
申请日：2014-03-27
Applicant: 한국전자통신연구원
CPC classification number: H04W52/243 , H04B1/0475 , H04B7/0417 , H04B7/0452 , H04B7/0617 , H04B7/0632 , H04W52/241 , H04W88/02 , H04W88/08
Abstract: Disclosed are a method and an apparatus for opportunistic interference alignment in MU-MIMO transmission. A method for opportunistic interference alignment includes steps of: broadcasting a random beam; receiving feedback information based on the random beam from a terminal; selecting at least one of the terminal devices for transmitting data among the terminals based on the feedback information; controlling transmission power based on the feedback information; and transmitting data to at least one of the terminal devices selected based on the controlled transmission power.
Abstract translation: 公开了一种在MU-MIMO传输中机会干扰对准的方法和装置。 一种用于机会干扰对准的方法包括以下步骤：广播随机波束; 基于来自终端的随机波束接收反馈信息; 基于所述反馈信息，选择所述终端中的至少一个用于在所述终端之间发送数据; 基于反馈信息控制发射功率; 以及将数据发送到基于受控发送功率选择的终端设备中的至少一个。
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公开(公告)号：KR1020140070443A
公开(公告)日：2014-06-10
申请号：KR1020130146441
申请日：2013-11-28
Applicant: 한국전자통신연구원
IPC: H04W72/04
CPC classification number: H04W72/082 , H04B7/15507 , H04W52/0203 , H04W64/003 , H04W72/0446 , H04W74/006 , H04W84/047 , H04W84/12 , Y02D70/1224 , Y02D70/1262 , Y02D70/142 , Y02D70/146
Abstract: Disclosed are a method for allocating a resource in a wireless LAN system and the wireless LAN system. The wireless LAN system according to one embodiment of the present invention includes an access point which allocates the resource for communication between a relay and a station connected to the relay, the relay which allocating a slot or a limited connection window for the communication with the station based on the allocated resource, and the station which communicates with the relay based on the allocated slot or limited connection window.
Abstract translation: 公开了一种在无线LAN系统和无线LAN系统中分配资源的方法。 根据本发明的一个实施例的无线LAN系统包括：接入点，其分配用于在与中继站连接的中继站和站之间进行通信的资源，分配时隙的中继站或用于与站的通信的有限连接窗口 基于分配的资源，以及基于所分配的时隙或有限连接窗口与中继站通信的站。
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公开(公告)号：KR1020140006723A
公开(公告)日：2014-01-16
申请号：KR1020130078797
申请日：2013-07-05
Applicant: 한국전자통신연구원
CPC classification number: H04W72/0446 , H04W74/006 , H04W84/12
Abstract: Disclosed are a communication method and apparatus for supporting a plurality of basic bandwidth modes in a wireless LAN system which supports multiple bandwidths. The communication method of an AP in the wireless LAN system according to one embodiment of the present invention includes the steps of: checking the operation state of a network by the AP of the network which supports a first bandwidth and a second bandwidth which is twice as large as the first bandwidth; allocating a first time section allowing only the frame over the first bandwidth based on the operation state of the network; and allocating a second time section allowing only the frame over the second bandwidth. [Reference numerals] (310) Checking the operation state of a network; (320) Allocating a first time section; (330) Allocating a second time section; (340) Transmitting a beacon frame to the network; (AA) Start; (BB) End
Abstract translation: 公开了一种在支持多个带宽的无线LAN系统中支持多个基本带宽模式的通信方法和装置。 根据本发明的一个实施例的无线LAN系统中的AP的通信方法包括以下步骤：由支持第一带宽的网络的AP检查网络的运行状态，并且检测两倍的第二带宽 大作为第一带宽; 基于所述网络的操作状态分配仅允许所述第一带宽上的所述帧的第一时间段; 以及分配仅允许所述帧超过所述第二带宽的第二时间段。 （附图标记）（310）检查网络的运行状态; （320）分配第一时段; （330）分配第二时间段; （340）向网络发送信标帧; （AA）开始; （BB）结束
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60.发明公开무선랜 시스템의 슬롯 기반 채널 액세스 제어 장치 및 방법, 무선랜 시스템의 슬롯 기반 채널 액세스 단말 审中-实审无线局域网系统中基于槽的通道访问控制的设备和方法，WLAN中基于槽的通道接入终端
公开(公告)号：KR1020130142947A
公开(公告)日：2013-12-30
申请号：KR1020130070170
申请日：2013-06-19
Applicant: 한국전자통신연구원
CPC classification number: H04W72/1289 , H04W72/0446 , H04W74/04 , H04W84/12
Abstract: The present invention relates to a device and a method for an access point, which manages a network, to control slot-based channel access in a wireless local area network (WLAN) environment, and a mobile station operating in accordance with the same. A device for controlling slot-based channel access in a WLAN system according to an embodiment of the present invention determines either individual mobile stations or a group composed of mobile stations as an object for slot allocation; allocates a slot, which is defined in a beacon section, to the individual mobile stations or the group determined above in order to distinguish channel access time; and transmits a beacon containing information about the allocated slot. [Reference numerals] (810) Allocating unit;(820) Control unit;(830) Transmitting unit;(840) Setting unit;(850) Receiving unit;(860) Scheduling unit;(870) Determining unit;(880) Sensing unit
Abstract translation: 本发明涉及一种用于接入点的设备和方法，其管理网络，控制无线局域网（WLAN）环境中的基于时隙的信道接入以及根据该接入点操作的移动台。 根据本发明实施例的用于控制WLAN系统中的基于时隙的信道接入的设备确定单独的移动站或由移动站组成的组作为时隙分配的对象; 将在信标部分中定义的时隙分配给各个移动台或上述确定的组，以区分频道接入时间; 并发送包含关于所分配的时隙的信息的信标。 （810）分配单元（820）控制单元;（830）发送单元;（840）设定单元;（850）接收单元;（860）调度单元;（870）确定单元;（880） 单元
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