公开(公告)号：US20170222697A1

公开(公告)日：2017-08-03

申请号：US15486123

申请日：2017-04-12

Applicant: Electronics and Telecommunications Research Institute

Inventor： Jae Woo PARK ,  Jong Ee OH ,  IL-Gu LEE ,  Sok-Kyu LEE ,  Min Ho CHEONG ,  Jee Yon CHOI ,  Jae Seung LEE ,  Yun Joo KIM

IPC: H04B7/0452 ,  H04L27/18 ,  H04L29/06

CPC classification number: H04B7/0452 ,  H04B7/0413 ,  H04L1/0003 ,  H04L1/0061 ,  H04L1/0072 ,  H04L1/0075 ,  H04L1/0083 ,  H04L1/08 ,  H04L27/18 ,  H04L27/20 ,  H04L69/22 ,  H04L69/323 ,  H04Q2213/13215 ,  H04W84/12

Abstract: The present invention relates to a method and apparatus for transceiving data. A method in which a transmitting terminal transmits data to a receiving terminal in a MIMO system according to one embodiment of the present invention comprises the following steps: generating a data field containing the data; generating a signal field containing information on the data field; generating a data frame containing the data field and the signal field; and transmitting the data frame to the receiving terminal. According to the present invention, an end of the frame being transmitted is accurately notified to the receiving terminal in a communication system in which the frame is transmitted using MIMO, thereby decoding the frame in a more efficient manner at the receiving terminal.

公开(公告)号：US20170013507A1

公开(公告)日：2017-01-12

申请号：US15206420

申请日：2016-07-11

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Jae Seung LEE ,  Moon Sik LEE ,  Young Hoon KIM ,  Hoo Sung LEE ,  Jae Woo PARK ,  Gyung Chul SHIN ,  Ik Jae CHUN ,  Jee Yon CHOI ,  Dong Seung KWON

IPC: H04W28/06 ,  H04W4/00 ,  H04W72/04 ,  H04W56/00

CPC classification number: H04W4/80 ,  H04B5/0031 ,  H04B7/0413 ,  H04L1/0046 ,  H04L12/40071 ,  H04L67/147 ,  H04L69/161 ,  H04L69/22 ,  H04L2012/5652 ,  H04W56/001

Abstract: A method and apparatus for close-proximity communication. The close-proximity communication method performed by a transmitter includes generating a physical layer (PHY) frame including a PHY preamble, a frame header, and a payload field, and transmitting the generated PHY frame to a receiver, in which the frame header may include a media access control (MAC) header, a header check sequence (HCS), and a Reed-Solomon (RS) parity bit.

Abstract translation: 一种用于近距离通信的方法和装置。 由发射机执行的近距离通信方法包括生成包括PHY前导码，帧头部和有效载荷字段的物理层（PHY）帧，并将所生成的PHY帧发送到接收机，其中帧头可以包括 媒体接入控制（MAC）报头，报头检查序列（HCS）和里德 - 所罗门（RS）奇偶校验位。

公开(公告)号：US20160197655A1

公开(公告)日：2016-07-07

申请号：US14916920

申请日：2014-09-05

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: H04B7/02 ,  H04B7/06 ,  H04B7/04

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.

Abstract translation: 公开了一种在无线局域网（WLAN）中使用干扰对准的通信方法。 根据一个实施例的接入点（AP）可以在与AP相关联的站与AP之间接收第一信道信息，以及站与相邻AP之间的第二信道信息，以与来自站的AP协作执行干扰对准，以及 基于第一信道信息和第二信道信息执行干扰对准。

公开(公告)号：US20160073433A1

公开(公告)日：2016-03-10

申请号：US14412669

申请日：2013-07-05

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 ,  H04W72/04

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.

Abstract translation: 提供了一种时隙使用控制装置和方法，其包括用于控制无线局域网（WLAN）中的站（STA）的时隙信道接入的接入点（AP），包括生成同步（同步）帧，所述同步（同步）帧包括指示 分配给时隙的STA，并且当在时隙的开始点处的信道处于空闲状态时，广播所生成的同步帧。

公开(公告)号：US20150372726A1

公开(公告)日：2015-12-24

申请号：US14748000

申请日：2015-06-23

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

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

IPC: H04B7/04 ,  H04B15/00

CPC classification number: H04B7/0452 ,  H04B7/0617 ,  H04B7/0634 ,  H04B15/00

Abstract: Provided is an iterative interference alignment (IA) method and apparatus for performing a downlink multi-user multiple-input and multiple-output (DL MU-MIMO), including transmitting, to a user terminal, a transmission beamforming vector generated arbitrarily, receiving, from the user terminal, a reception beamforming vector calculated to minimize interference based on the transmission beamforming vector, and updating the transmission beamforming vector based on the reception beamforming vector, the iterative IA method may further include calculating a transmission beamforming vector space minimizing interference of an inter-basic service set based on the reception beamforming vector, calculating a transmission beamforming matrix minimizing interference of an intra-basic service set, based on the reception beamforming vector, and updating the transmission beamforming vector based on the transmission beamforming matrix and the transmission beamforming vector space.

Abstract translation: 提供了一种用于执行下行链路多用户多输入多输出（DL MU-MIMO）的迭代干扰对准（IA）方法和装置，包括：向用户终端发送任意生成的发送波束形成向量， 迭代IA方法还可以包括：计算发射波束形成向量空间，以使来自用户终端的干扰成为最小化的接收波束成形向量，并且基于接收波束形成向量来更新传输波束形成向量; 基于接收波束成形向量的基础间服务集合，基于接收波束成形向量计算最小化基内服务集合的干扰的发送波束成形矩阵，并且基于发送波束形成矩阵和发送波束成形来更新发送波束形成向量 向量空间。

公开(公告)号：US20150156794A1

公开(公告)日：2015-06-04

申请号：US14561043

申请日：2014-12-04

Applicant: Electronics and Telecommunications Research Institute

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

IPC: H04W72/12 ,  H04L25/02

CPC classification number: H04W72/1231 ,  H04L1/00 ,  H04L25/0224 ,  H04W74/00 ,  H04W84/12

Abstract: Provided are channel sounding and scheduling methods for interference alignment in a wireless LAN. The sounding method includes transmitting a RTS frame, the RTS frame including an OIA candidate AP list that includes identification information of a plurality of access points, transmitting a CTS-pole frame for triggering transmission of a CTS frame to a second access point which is a first access point in the OIA candidate AP list, and receiving a CTS frame which is a response to the CTS-pole frame from the second access point. Therefore, communication performance of the wireless LAN can be improved.

Abstract translation: 提供了用于无线LAN中的干扰对准的信道探测和调度方法。 探测方法包括发送RTS帧，RTS帧包括包括多个接入点的识别信息的OIA候选AP列表，将用于触发CTS帧传输的CTS极帧发送到第二接入点，该第二接入点是 OIA候选AP列表中的第一接入点，以及从第二接入点接收作为对CTS极帧的响应的CTS帧。 因此，可以提高无线LAN的通信性能。

公开(公告)号：US20140301294A1

公开(公告)日：2014-10-09

申请号：US14227893

申请日：2014-03-27

Applicant: Electronics and Telecommunications Research Institute

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

IPC: H04W76/02 ,  H04W72/04

CPC classification number: H04W76/14 ,  H04W72/0453

Abstract: Disclosed is a method for direct communication between stations. The method for direct communication between stations may include: receiving scheduling information on a frequency selective transmission (FST) from an access point; setting up a link for communication with another station based on the scheduling information; and communicating with the other station using the link.

Abstract translation: 公开了一种站间直接通信的方法。 用于站间直接通信的方法可以包括：从接入点接收关于频率选择性传输（FST）的调度信息; 根据调度信息建立与另一台站通信的链路; 并使用该链路与另一台站进行通信。

公开(公告)号：US20140169387A1

公开(公告)日：2014-06-19

申请号：US14105093

申请日：2013-12-12

Applicant: Electronics and Telecommunications Research Institute

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

IPC: H04L29/06

CPC classification number: H04L69/22

Abstract: A communication apparatus and method for transmitting a group frame, and a user terminal and method for receiving a group frame are provided. The communication apparatus may transmit a group frame to each of a plurality of user terminals. The group frame may be generated by grouping, in a physical layer, frames that are respectively transmitted to the plurality of user terminals.

Abstract translation: 提供一种用于发送组帧的通信装置和方法，以及用于接收组帧的用户终端和方法。 通信装置可以将组帧发送到多个用户终端中的每一个。 可以通过在物理层中分组分别发送到多个用户终端的帧来生成组帧。

公开(公告)号：US20250168621A1

公开(公告)日：2025-05-22

申请号：US19031322

申请日：2025-01-17

Applicant: Electronics and Telecommunications Research Institute

Inventor： Jae Seung LEE ,  Sok-kyu LEE

IPC: H04W8/22 ,  H04L45/00 ,  H04W16/32 ,  H04W72/0446 ,  H04W84/12 ,  H04W84/18

Abstract: A method and apparatus for configuring mesh peer link and a method and apparatus for switching channel in wireless mesh network are provided. A method of configuring a mesh peer link in a wireless mesh network includes a first mesh station transmitting a mesh peering open frame to a second mesh station, and the first mesh station receiving a mesh peering confirm frame from the second mesh station in response to the mesh peering open frame, wherein the first mesh station and the second mesh station support a very high throughput (VHT), and wherein the mesh peering open frame and the mesh peering confirm frame comprise a VHT capability information element.

公开(公告)号：US20240196229A1

公开(公告)日：2024-06-13

申请号：US18585406

申请日：2024-02-23

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Hoon Dong NOH ,  Moon Sik LEE ,  Jae Seung LEE

IPC: H04W16/28 ,  H04W56/00 ,  H04W72/02 ,  H04W72/044 ,  H04W72/51 ,  H04W74/0833

CPC classification number: H04W16/28 ,  H04W56/001 ,  H04W72/02 ,  H04W72/046 ,  H04W72/51 ,  H04W74/0841

Abstract: An operation method of a repeater relaying wireless communications between a base station and at least one terminal in a communication system may include: transmitting, to the base station, a first capability report including information on beam-related capability supported by the repeater; transmitting, to the base station, a first request signal for requesting to perform first configuration for coverage extension of the repeater; receiving, from the base station, information on the first configuration configured based on the first capability report and the first request signal; and relaying the wireless communications between the base station and the at least one terminal based on one or more beams formed based on the received first configuration.