公开(公告)号：US20200280910A1

公开(公告)日：2020-09-03

申请号：US16878495

申请日：2020-05-19

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

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

IPC: H04W48/16 ,  H04W48/14 ,  H04W4/80 ,  H04L12/12 ,  H04L29/12 ,  H04L29/08 ,  H04W8/00 ,  H04W28/06 ,  H04W84/12 ,  H04W92/20

Abstract: A scanning method performed by a station (STA) in a wireless LAN system is provided. The method comprises: transmitting a probe request frame; and receiving a short probe response frame from an access point (AP) as a response to the probe request frame. The short probe response frame includes service set ID (SSID) information or compressed SSID information of the AP.

公开(公告)号：US20190274126A1

公开(公告)日：2019-09-05

申请号：US16418764

申请日：2019-05-21

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Min ho CHEONG ,  Hyoung Jin KWON ,  Jae Seung LEE ,  Jae Woo PARK ,  Sok Kyu LEE

IPC: H04W72/04 ,  H04W56/00

Abstract: Provided is a method and apparatus for allocating resources in a wireless local area network (WLAN) system, the method including determining a restricted access bandwidth (RAB) interval based on at least a bandwidth or a partial bandwidth among a plurality of bandwidths, and setting a restricted access window (RAW) of a time domain based on the RAB interval.

公开(公告)号：US20180343585A1

公开(公告)日：2018-11-29

申请号：US16055178

申请日：2018-08-06

Applicant: Electronics and Telecommunications Research Institute

Inventor： Min Ho CHEONG ,  Sok Kyu LEE

IPC: H04W28/06 ,  H04L1/00 ,  H04W84/12

Abstract: A wireless device of transmitting a data frame in a WLAN is provided. The wireless device includes: a MAC unit generating a data frame; a PHY unit transmitting a wireless signal of the data frame; and a processor being operably coupled to the MAC unit and the PHY unit and controlling a set of TXVECTOR parameters. The processor is configured for: generating the data frame, the data frame including a data field having a service field and a very high throughput signal information (VHT-SIG-B); and transmitting a wireless signal of the data frame via a operating channel bandwidth. The data field is scrambled with a scrambling sequence, the scrambling sequence is generated based on a initial scrambling sequence and a generator polynomial. The service field is determined based on the set of TXVECTOR parameters, the TXVECTOR parameters including an control information for the service field.

公开(公告)号：US20180309674A1

公开(公告)日：2018-10-25

申请号：US16024318

申请日：2018-06-29

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

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

IPC: H04L12/741 ,  H04W72/04 ,  H04B7/0452 ,  H04B7/06 ,  H04W88/08

CPC classification number: H04L45/74 ,  H04B7/0452 ,  H04B7/0617 ,  H04W72/0413 ,  H04W88/08

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：US20180102816A1

公开(公告)日：2018-04-12

申请号：US15831243

申请日：2017-12-04

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Jae Seung LEE ,  Jin Hyung OH ,  Gwang Zeen KO ,  Hyun Duk KANG ,  Hyoung Jin KWON ,  Myung Sun SONG ,  Sok Kyu LEE ,  Min Ho CHEONG ,  Jae Ick CHOI

IPC: H04W48/00 ,  H04B7/06 ,  H04L1/00 ,  H04W84/12 ,  H04W88/08

CPC classification number: H04B7/024 ,  H04B7/0452 ,  H04B7/0617 ,  H04L1/00 ,  H04L1/1685 ,  H04W48/00 ,  H04W84/12 ,  H04W88/08

Abstract: Disclosed is a communication method using interference alignment in a wireless local area network (WLAN). An access point (AP) according to one embodiment may receive first channel information between a station associated with the AP and the AP and second channel information between the station and a neighboring AP to perform interference alignment in cooperation with the AP from the station, and perform interference alignment based on the first channel information and the second channel information.

公开(公告)号：US20180092132A1

公开(公告)日：2018-03-29

申请号：US15717535

申请日：2017-09-27

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 ,  H04W88/12 ,  H04W84/12

CPC classification number: H04W74/0891 ,  H04W74/08 ,  H04W84/12 ,  H04W88/12

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：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：US20160212693A1

公开(公告)日：2016-07-21

申请号：US15071128

申请日：2016-03-15

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Jae Seung LEE ,  Min Ho CHEONG ,  Je Hun LEE ,  Ja Beom GU ,  Jae Woo PARK ,  Sok Kyu LEE

IPC: H04W48/16 ,  H04W40/08 ,  H04W48/14

CPC classification number: H04W48/16 ,  H04W40/08 ,  H04W48/14 ,  H04W84/12 ,  H04W88/08

Abstract: A scanning method in a wireless local area network (WLAN) system is provided. The scanning method includes transmitting, by a station, a probe request frame and receiving, by the station, a probe response frame from an access point (AP). The AP determines whether to transmit the probe response frame in response to the probe request frame using information indicated by the probe request frame.

Abstract translation: 提供了一种无线局域网（WLAN）系统中的扫描方法。 扫描方法包括由站发送探测请求帧，并由所述站从接入点（AP）接收探测响应帧。 AP使用由探测请求帧指示的信息来确定是否响应于探测请求帧发送探测响应帧。

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。