公开(公告)号：US20160242195A1

公开(公告)日：2016-08-18

申请号：US15025879

申请日：2014-11-04

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Hyoung Jin KWON ,  Sok Kyu LEE ,  Jae Seung LEE ,  Min Ho CHEONG

IPC: H04W72/12 ,  H04B7/04 ,  H04L27/26 ,  H04L5/00 ,  H04L25/02

CPC classification number: H04W72/121 ,  H04B7/0417 ,  H04B7/0452 ,  H04L5/0007 ,  H04L5/0023 ,  H04L5/0037 ,  H04L5/0044 ,  H04L5/005 ,  H04L25/0204 ,  H04L25/0224 ,  H04L27/2613 ,  H04W72/1231 ,  H04W84/12

Abstract: Disclosed are a wireless communication method, and an access point and a station which perform the wireless communication method. A wireless communication method performed by an access point according to an embodiment may include performing channel sounding on a plurality of subchannels, identifying subchannels selected by stations among the subchannels, scheduling communications between the AP and the stations based on the selected subchannels, and transmitting a data frame to the stations through the subchannels based on a scheduling result.

Abstract translation: 公开了一种无线通信方法，以及执行无线通信方法的接入点和站。 根据实施例的由接入点执行的无线通信方法可以包括在多个子信道上执行信道探测，识别子信道中的站点选择的子信道，基于所选择的子信道调度AP和站点之间的通信，以及发送 基于调度结果通过子信道向车站发送数据帧。

公开(公告)号：US20160219591A1

公开(公告)日：2016-07-28

申请号：US14917924

申请日：2014-09-10

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Jae Seung LEE ,  Hyoung Jin KWON ,  Sok Kyu LEE ,  Min Ho CHEONG

IPC: H04W72/04 ,  H04W16/32 ,  H04W40/24

CPC classification number: H04W16/32 ,  H04W40/244 ,  H04W52/0206 ,  H04W52/0209 ,  H04W52/0241 ,  H04W74/004 ,  H04W74/006 ,  H04W84/12 ,  H04W88/04 ,  H04W88/08 ,  Y02D70/00 ,  Y02D70/142

Abstract: An operating method of an access point (AP) and an operating method of a relay are disclosed in which the AP may determine whether to associate with the relay based on at least one of first information indicating whether use of an overlapping channel is restricted, second information indicating whether an operation using a non-overlapping channel is supported by the relay, and third information indicating whether use of a channel identical to a channel used by the AP is requested.

Abstract translation: 公开了一种接入点（AP）的操作方法和中继器的操作方法，其中AP可以基于指示是否限制重叠信道的使用的第一信息中的至少一个来确定是否与中继关联，第二 指示是否由中继支持使用非重叠信道的操作的信息，以及指示是否请求使用与AP使用的信道相同的信道的第三信息。

公开(公告)号：US20150327262A1

公开(公告)日：2015-11-12

申请号：US14409456

申请日：2013-06-19

Applicant: Electronics and Telecommunications Research Institute

Inventor： Hyoung Jin KWON ,  Jae Seung LEE ,  Min Ho CHEONG ,  Hee Jung YU ,  Sok Kyu LEE

IPC: H04W72/04

CPC classification number: H04W72/1289 ,  H04W72/0446 ,  H04W74/04 ,  H04W84/12

Abstract: An apparatus and a method of controlling slot-based channel access by an access point (AP) to manage a network in a wireless local area network (WLAN) environment and a slot-based channel access terminal are disclosed. A slot-based channel access control apparatus of a WLAN system according to an exemplary embodiment determines one of each terminal and a group of terminals as a slot allocation target, allocates a slot defined in a beacon interval to the determined terminal or group to distinguish channel access time, and transmits a beacon including information on the allocated slot.

Abstract translation: 公开了一种控制由接入点（AP）进行基于时隙的信道接入以管理无线局域网（WLAN）环境中的网络和基于时隙的信道接入终端的装置和方法。 根据示例性实施例的WLAN系统的基于时隙的信道访问控制装置将每个终端和一组终端中的一个确定为时隙分配目标，在确定的终端或组中分配在信标间隔中定义的时隙以区分信道 并且发送包括关于所分配的时隙的信息的信标。

公开(公告)号：US20150078193A1

公开(公告)日：2015-03-19

申请号：US14550365

申请日：2014-11-21

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Hyoung Jin KWON ,  Yong Sun KIM ,  Sung Geun JIN ,  Kap Seok CHANG ,  Seung Eun HONG ,  Woo Yong LEE ,  Hyun Kyu CHUNG

IPC: H04B7/155 ,  H04L5/14 ,  H04W24/08

CPC classification number: H04B7/15557 ,  H04B7/1555 ,  H04L5/14 ,  H04L45/22 ,  H04W24/00 ,  H04W24/08 ,  H04W72/02 ,  H04W84/047

Abstract: A communication method of a source device according to an embodiment includes detecting a status of a first link directly connected from the source device to a destination device or a status of a second link connected from the source device to the destination device via a relay device, selecting any one of the first link and the second link based on a result of the detection, and transmitting data using the selected link.

Abstract translation: 根据实施例的源设备的通信方法包括：经由中继设备检测从源设备直接连接到目的地设备的第一链路的状态或从源设备连接到目的设备的第二链路的状态， 基于检测结果选择第一链路和第二链路中的任何一个，以及使用所选择的链路发送数据。

公开(公告)号：US20140370802A1

公开(公告)日：2014-12-18

申请号：US14472298

申请日：2014-08-28

Applicant: Electronics and Telecommunications Research Institute

Inventor： Kap Seok CHANG ,  Hyoung Jin KWON ,  Sung Geun JIN ,  Yong Sun KIM ,  Seung Eun HONG ,  Woo Yong LEE ,  Hyun Kyu CHUNG

IPC: H04B7/155

CPC classification number: H04B7/15528 ,  H04B7/15592 ,  H04B7/2606 ,  H04W40/22 ,  Y02D70/00 ,  Y02D70/142 ,  Y02D70/39 ,  Y02D70/446 ,  Y02D70/449

Abstract: The present invention provides a wireless communication method used for transmitting and receiving a relay in a wireless local area network system. The wireless local area network system according to an embodiment of the present invention relates to a wireless communication method of setting a relay link through a relay and setting a transmission time point at which a data frame is transmitted in a source device by recognizing a propagation delay between devices, and the like when an operation mode of the set relay corresponds to a cooperating mode.

Abstract translation: 本发明提供一种用于在无线局域网系统中发送和接收中继的无线通信方法。 根据本发明的实施例的无线局域网系统涉及通过中继设置中继链路的无线通信方法，并且通过识别传播延迟来设置在源设备中发送数据帧的传输时间点 当设置的继电器的操作模式对应于协作模式时，在设备之间等。

公开(公告)号：US20140294110A1

公开(公告)日：2014-10-02

申请号：US14242137

申请日：2014-04-01

Applicant: Electronics and Telecommunications Research Institute

Inventor： Min Ho CHEONG ,  Hyoung Jin KWON ,  Jae Seung LEE ,  Sok Kyu LEE

IPC: H04B1/04 ,  H04W52/24 ,  H04B7/04

CPC classification number: H04W52/243 ,  H04B7/0417 ,  H04B7/0452 ,  H04B7/0617 ,  H04B7/0632 ,  H04W52/241

Abstract: A method and apparatus for opportunistic interference alignment (OIA) in multi-user multiple-input multiple-output (MU-MIMO) transmission, the method including broadcasting a random beam, receiving, from a terminal, feedback information determined based on the random beam, selecting at least one terminal to which data is to be transmitted from among terminals based on the feedback information, adjusting a transmission power based on the feedback information, and transmitting data to the selected at least one terminal based on the adjusted transmission power.

Abstract translation: 一种用于多用户多输入多输出（MU-MIMO）传输中的机会干扰对准（OIA）的方法和装置，所述方法包括：广播随机波束，从终端接收基于随机波束确定的反馈信息 基于所述反馈信息，从终端中选择要发送数据的至少一个终端，基于所述反馈信息调整发送功率，以及基于所述调整后的发送功率向所选择的至少一个终端发送数据。

公开(公告)号：US20200274804A1

公开(公告)日：2020-08-27

申请号：US16861927

申请日：2020-04-29

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Jee Yon CHOI ,  Jae Woo PARK ,  Hyoung Jin KWON ,  Sok Kyu LEE

IPC: H04L12/741 ,  H04W72/04 ,  H04B7/06 ,  H04B7/0452

Abstract: Provided is a method of transmitting and receiving a frame for a multi-user multiple-input and multiple-output (MU-MIMO) communication in an access point (AP), the method including transmitting, to each of a plurality of stations (STAs), an uplink multi-user request (UL MU request) frame requesting transmission of a data frame, and receiving, from each of the plurality of STAs, the data frame during an identical period of time based on an identical reception intensity, wherein the UL MU request frame includes at least one of information on a transmission time of the data frame and information on a reception intensity of the data frame in the AP.

公开(公告)号：US20200214051A1

公开(公告)日：2020-07-02

申请号：US16812073

申请日：2020-03-06

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Hyoung Jin KWON ,  Jae Seung LEE ,  Min Ho CHEONG ,  Hee Jung YU ,  Jae Woo PARK ,  Sok Kyu LEE

IPC: H04W74/08

Abstract: Provided is slot use control apparatus and method, including an access point (AP) to control a slotted channel access of a station (STA) in a wireless local area network (WLAN) includes generating a synchronization (synch) frame including an identification value indicating an STA allocated to a slot, and broadcasting the generated synch frame when a channel is in an idle state at a start point of the slot.

公开(公告)号：US20200186212A1

公开(公告)日：2020-06-11

申请号：US16794140

申请日：2020-02-18

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Jee Yon CHOI ,  Hyoung Jin KWON ,  Je Hun LEE ,  Sok Kyu LEE

IPC: H04B7/0452 ,  H04L1/16 ,  H04B7/0404

Abstract: Provided is a method of transmitting and receiving a frame for a multi-user multiple-input and multiple-output (MU-MIMO) communication in an access point (AP), the method including determining at least one transmission station (STA), transmitting, to the transmission STA, an uplink multi-user poll (UL MU poll) frame requesting a data frame, receiving the data frame from the at least one transmission STA simultaneously, and transmitting an acknowledgement (ACK) frame to the at least one transmission STA in response to the receiving.

公开(公告)号：US20200162992A1

公开(公告)日：2020-05-21

申请号：US16751590

申请日：2020-01-24

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Hyoung Jin KWON ,  Jin Kyeong KIM ,  Woo Yong LEE ,  Yong Sun KIM ,  Kyeongpyo KIM

IPC: H04W40/22 ,  H04L12/707 ,  H04L12/701 ,  H04B7/26

Abstract: Methods for transmitting and receiving data of a station includes setting a direct route to a corresponding station and a relay route to a relay device, selecting one route as between the direct route and relay route, and transmitting and receiving data through the selected route. A non-transitory computer-readable storage medium may store a program including instructions to cause a computer to perform the method. The setting may be performed by a processor and the transmitting and receiving may be performed respectively by a transmitter and a receiver.