公开(公告)号：US09113407B2

公开(公告)日：2015-08-18

申请号：US14329623

申请日：2014-07-11

Applicant: Electronics and Telecommunications Research Institute

Inventor： Hyoung Jin Kwon ,  Jin Kyeong Kim ,  Yong Sun Kim ,  Kyeongpyo Kim ,  Woo Yong Lee

IPC: H04W12/00 ,  H04W40/22 ,  H04L12/701 ,  H04L12/707 ,  H04B7/26 ,  H04W40/02

CPC classification number: H04W40/22 ,  H04B7/2606 ,  H04L45/00 ,  H04L45/22 ,  H04W40/02

Abstract: A communication method including setting a direct route to a station, the station transmitting an information element in which a relay support capability field is set to 1, setting a relay route to a relay device, the relay device transmitting an information element in which a relay capability field is set to 1, and transmitting data via at least one of the direct route or the relay route; and a communication apparatus for implementing the communication method.

Abstract translation: 一种通信方法，包括：设置到站的直接路由，所述站将中继支持能力字段设置为1的信息单元，将中继路径设置到中继设备，所述中继设备发送信息单元，其中，中继站 能力字段设置为1，并且经由直接路由或中继路由中的至少一个发送数据; 以及用于实现通信方法的通信装置。

公开(公告)号：US20150181521A1

公开(公告)日：2015-06-25

申请号：US14407385

申请日：2013-06-13

Applicant: Electronics and Telecommunications Research Institute

Inventor： Hyoung Jin Kwon ,  Jae Seung Lee ,  Min Ho Cheong ,  Hee Jung Yu ,  Sok Kyu Lee

IPC: H04W52/02

CPC classification number: H04W52/0216 ,  H04W52/0219 ,  H04W84/12 ,  Y02D70/142

Abstract: Disclosed is a technology that enables an access point, configured to manage a network, to control a transmission schedule of buffered data and enables a terminal to obtain information associated with the transmission schedule in a wireless local area network (WLAN) environment. An apparatus for controlling a transmission schedule of buffered data in a WLAN according to an embodiment may group terminals based on at least one of a service characteristic and a traffic characteristic of each of the terminals, assign group information to each of the grouped groups to wake up in a different time, and transmit at least one of delivery traffic indication map (DTIM) information and the buffered data based on the assigned group information.

Abstract translation: 公开了一种技术，其使能被配置为管理网络的接入点来控制缓冲数据的传输调度并使得终端能够在无线局域网（WLAN）环境中获得与传输调度相关联的信息。 根据实施例的用于控制WLAN中的缓冲数据的传输调度的装置可以基于每个终端的服务特性和业务特性中的至少一个来对终端进行分组，将组信息分配给每个分组组以唤醒 并且基于所分配的组信息发送传送业务指示映射（DTIM）信息和缓冲数据中的至少一个。

公开(公告)号：US11284345B2

公开(公告)日：2022-03-22

申请号：US16870402

申请日：2020-05-08

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Jae Seung Lee ,  Hyoung Jin Kwon ,  Min ho Cheong ,  Hee Jung Yu ,  Sok Kyu Lee

IPC: H04W52/02 ,  H04W74/00 ,  H04W84/12

Abstract: An operating mode change method of a wireless local area network (WLAN) system according to an exemplary embodiment includes transmitting, by a station (STA) to an access point (AP), an operating mode change request frame comprising at least one of information on a change of a traffic indication map (TIM) mode, a request for a change of a power save parameter, and information on a change of a service type of the STA, receiving, from the AP, an operating mode change response frame comprising at least one of a TIM mode allowed by the AP, a reallocated association identification (AID), and information on a changed power save parameter, and performing at least one of the change of the TIM mode and the change of the power save parameter based on the information included in the operating mode change.

公开(公告)号：US10939452B2

公开(公告)日：2021-03-02

申请号：US16669074

申请日：2019-10-30

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Jae Seung Lee ,  Min ho Cheong ,  Hyoung Jin Kwon ,  Sok Kyu Lee ,  Wun Cheol Jeong ,  Chang Sub Shin ,  Cheol Sig Pyo

IPC: H04W72/08 ,  H04B7/155 ,  H04W64/00 ,  H04W52/02 ,  H04W72/04 ,  H04W74/00 ,  H04W84/04 ,  H04W84/12

Abstract: Provided are a method of allocating resources in a wireless local area network (WLAN) system and the WLAN system including an access point (AP) to allocate a resource for communication between a relay and a station associated with the relay, the relay to allocate a restricted access window (RAW) or a slot for communication with a station based on the allocated resource, and the station to communicate with the relay based on the allocated RAW or the allocated slot.

公开(公告)号：US10826954B2

公开(公告)日：2020-11-03

申请号：US15979416

申请日：2018-05-14

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Hyoung Jin Kwon ,  Jin Kyeong Kim ,  Woo Yong Lee ,  Kyeongpyo Kim

IPC: G06F15/173 ,  H04L29/06 ,  H04L1/06 ,  H04L5/00 ,  H04L12/707

Abstract: The present invention relates to an apparatus and method for transmitting/receiving streaming data using multiple paths, in which the streaming data is smoothly reproduced without being interrupted, and more particularly, to an apparatus and method for transmitting/receiving streaming data using multiple paths, in which exchange of the streaming data is performed in real-time using the multiple paths regardless of obstacles. The method for transmitting streaming data using multiple paths includes managing and maintaining a path list including sequence information about a transmission path capable of transmitting data, framing the streaming data, and transmitting the framed streaming data via the transmission path according to the sequence information.

公开(公告)号：US10687357B2

公开(公告)日：2020-06-16

申请号：US16245179

申请日：2019-01-10

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Min ho Cheong ,  Hyoung Jin Kwon ,  Jae Seung Lee ,  Jae Woo Park ,  Sok Kyu Lee

IPC: H04W74/04 ,  H04W48/16 ,  H04W74/08 ,  H04B7/06 ,  H04B7/0408 ,  H04W16/28 ,  H04W84/12

Abstract: A channel access method and apparatus are disclosed. The channel access method by an access point (AP) having a sector antenna in a wireless local access network (WLAN), may include transmitting a sector beacon with respect to any one sector among a plurality of sectors, transmitting and receiving data with at least one station in any one sector during a pre-scheduled sector interval, sequentially performing transmission of the sector beacon and transmission and reception of the data with respect to remaining sectors of the plurality of sectors excluding the any one sector, transmitting an omni beacon with respect to all of the plurality of sectors, and transmitting and receiving data with respect to at least one station of the plurality of sectors during a pre-scheduled Basic Service Set (BSS) interval.

公开(公告)号：US10342011B2

公开(公告)日：2019-07-02

申请号：US15706159

申请日：2017-09-15

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 ,  H04W84/12 ,  H04W74/00

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：US10250304B2

公开(公告)日：2019-04-02

申请号：US15649887

申请日：2017-07-14

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Jee Yon Choi ,  Hyoung Jin Kwon ,  Je Hun Lee ,  Sok Kyu Lee

IPC: H04W4/00 ,  H04B7/0452 ,  H04B7/0404 ,  H04L1/16 ,  H04W74/06 ,  H04W72/04 ,  H04W88/02

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：US10165584B2

公开(公告)日：2018-12-25

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 ,  H04L25/02 ,  H04L5/00 ,  H04B7/0452 ,  H04L27/26 ,  H04W84/12 ,  H04B7/0417

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.

公开(公告)号：US10070448B2

公开(公告)日：2018-09-04

申请号：US15603260

申请日：2017-05-23

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Jae Seung Lee ,  Min Ho Cheong ,  Hyoung Jin Kwon ,  Sok Kyu Lee ,  Wun Cheol Jeong ,  Chang Sub Shin ,  Cheol Sig Pyo

IPC: G08C17/00 ,  H04W72/08 ,  H04W72/04 ,  H04B7/155 ,  H04W64/00 ,  H04W52/02 ,  H04W74/00 ,  H04W84/04 ,  H04W84/12

Abstract: Provided are a method of allocating resources in a wireless local area network (WLAN) system and the WLAN system including an access point (AP) to allocate a resource for communication between a relay and a station associated with the relay, the relay to allocate a restricted access window (RAW) or a slot for communication with a station based on the allocated resource, and the station to communicate with the relay based on the allocated RAW or the allocated slot.