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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：KR101525617B1
公开(公告)日：2015-06-04
申请号：KR1020070127385
申请日：2007-12-10
Applicant: 한국전자통신연구원
CPC classification number: H04L65/4069 , H04L1/06 , H04L5/00 , H04L45/24 , H04L65/607 , H04L65/80
Abstract: 본발명은스트리밍데이터가차단되지않고원활하게재생할수 있는스트리밍데이터송수신장치및 그방법에관한것으로, 더욱상세하게는다중경로를이용하여장애물에관계없이실시간의스트리밍데이터교환이가능한다중경로를이용한스트리밍데이터송수신장치및 그방법에관한것이다. 본발명은다중경로를이용한스트리밍데이터의전송하는방법에있어서, 전송가능한경로에대한시퀀싱정보를포함하는경로리스트를관리하여유지하는단계; 상기스트리밍데이터를프레임화하는단계; 및상기시퀀싱정보에따라상기경로를통하여상기프레임화된스트리밍데이터를전송하는단계를포함하는것을특징으로하는스트리밍데이터전송방법을제공한다.
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公开(公告)号：KR101518507B1
公开(公告)日：2015-05-11
申请号：KR1020080068587
申请日：2008-07-15
Applicant: 한국전자통신연구원
Abstract: 영상신호 송수신 장치 및 방법을 개시한다. 영상신호 송신 방법은 영상신호의 각 픽셀들을 상위비트와 하위비트로 분류하는 단계; 분류한 상기 상위비트들을 MSB(Most Significant Bit) 패킷의 페이로드로 구성하고 상기 하위비트들을 LSB(Least Significant Bit) 패킷의 페이로드로 구성하는 단계; MSB 패킷의 해더와 LSB 패킷의 해더를 생성하는 단계; 페이로드와 해더를 결합하여 MSB 패킷과 LSB 패킷을 생성하는 단계; 및, 생성한 상기 MSB 패킷과 상기 LSB 패킷를 송신하는 단계를 포함한다.
영상신호, 오류 정정, 해밍 코드, 상위비트, 하위비트, MSB, LSBAbstract translation: 公开了一种视频信号发送和接收设备和方法。 视频信号传输方法包括：将视频信号的每个像素分类为高位和低位; 构建分类到MSB的较高位的有效载荷（最高有效位）数据包，并在LSB（最低有效位）分组的有效载荷构成的低位比特的步骤; 生成MSB分组的报头和LSB分组的报头; 组合有效载荷和头部以生成MSB分组和LSB分组; 并发送生成的MSB数据包和LSB数据包。
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234.发明授权광대역 고주파수 무선 시스템에서 다양한 형태의 비압축 동영상 신호 전송을 위한 차별적 오류 보호 방법 및 그 장치 有权在宽带高频无线系统中传输各种类型的未压缩视频的不平等错误保护的方法和应用
公开(公告)号：KR101509257B1
公开(公告)日：2015-04-08
申请号：KR1020080127924
申请日：2008-12-16
Applicant: 한국전자통신연구원
IPC: H04N19/89
CPC classification number: H04N19/67
Abstract: 본발명은광대역고주파수무선시스템에서다양한형태의비압축동영상신호전송을위한차별적오류보호방법및 그장치에관한것으로, 차별적오류보호전송장치는, 동영상데이터를입력받으면화소를구성하는화소성분별로비트공간크기와중요도구분하는비트분할위치를확인하고, 상기화소성분별로중요도가높은정보에상대적으로많은오류를정정하는오류정정부호화를사용하도록제어하는차별적오류보호(UEP: Unequal Error Protection) 전송제어기; 상기 UEP 전송제어기의제어에따라상기동영상의화소를상기화소성분별로중요도에따라구분하는비트분할기; 및, 상기 UEP 전송제어기의제어에따라중요도의따라상응하는오류정정부호화를사용하는채널코딩유닛을포함한다.
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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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Patent Agency Ranking
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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238.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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公开(公告)号：KR1020130125314A
公开(公告)日：2013-11-18
申请号：KR1020130049951
申请日：2013-05-03
Applicant: 한국전자통신연구원
IPC: H04W48/16
Abstract: Full beacon transmission is omitted by using short probe response of the present invention. The purpose of the present invention is to provide an effective scanning method providing speed faster than the passive scanning by performing active scanning using a short probe response frame including minimum information required for association in a radio local area network, and to reduce overhead in the active scanning.
Abstract translation: 通过使用本发明的短探针响应来省略全信标传输。 本发明的目的是提供一种有效的扫描方法，其通过使用包括在无线局域网中的关联所需的最小信息的短探测响应帧进行主动扫描来提供比被动扫描更快的速度，并且减少活动中的开销 扫描。
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公开(公告)号：KR1020130125293A
公开(公告)日：2013-11-18
申请号：KR1020130025862
申请日：2013-03-11
Applicant: 한국전자통신연구원
IPC: H04W48/16
Abstract: The present invention is to provide an effective scanning method providing a speed faster than the passive scanning by performing active scanning using a short probe response frame including minimum information required for association in a radio local area network, and to reduce overhead in the active scanning.
Abstract translation: 本发明提供一种有效的扫描方法，其通过使用包括无线局域网中的关联所需的最小信息的短探测响应帧进行主动扫描来提供比被动扫描更快的速度，并且减少主动扫描中的开销。
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