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1.发明公开公开(公告)号：US20230156795A1
公开(公告)日：2023-05-18
申请号：US17916406
申请日：2021-04-02
Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , KOREA NATIONAL UNIVERSITY OF TRANSPORTATION INDUSTRY-ACADEMIC COOPERATION FOUNDATION
Inventor： Sung Hyun HWANG , Kyu Min KANG , Jae Cheol PARK , Jin Hyung OH , Dong Woo LIM , Su Na CHOI , Yong Ho KIM , Han Seul HONG
IPC: H04W74/08
CPC classification number: H04W74/0816 , H04W84/12
Abstract: Disclosed are a method and apparatus for transmitting and receiving data in a communication system supporting multiple links. A method for operation of a first device comprises the steps of: transmitting, in a first link from among multiple links, a first RTS frame to a second device; receiving, from the second device in the first link, a first CTS frame that is a response to the first RTS frame; when the first CTS frame is received, transmitting, in the first link, a first data frame to the second device; and transmitting, in a second link during transmission of the first data frame, a second RTS frame to the second device.
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公开(公告)号：US20160197655A1
公开(公告)日：2016-07-07
申请号：US14916920
申请日：2014-09-05
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
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。
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3.发明公开公开(公告)号：US20240334509A1
公开(公告)日：2024-10-03
申请号：US18577987
申请日：2022-07-12
Inventor： Sung Hyun HWANG , Kyu Min KANG , Jae Cheol PARK , Jin Hyung OH , Dong Woo LIM , Su Na CHOI , Yong Ho KIM , Ju Seong MOON
Abstract: A method and a device for direct communication in a communication system supporting multiple links are disclosed. A method of an AP MLD comprises the steps of: transmitting a trigger frame in multiple links including a first link and a second link; receiving a response frame for the trigger frame from a first STA associated with an STA MLD in the first link; receiving a first data frame from a third STA in the second link; and when a subject to receive the first data frame is a second STA associated with the STA MLD, transmitting a second data frame generated on the basis of the first data frame, to the first STA in the first link.
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4.发明申请公开(公告)号：US20190387575A1
公开(公告)日：2019-12-19
申请号：US16555942
申请日：2019-08-29
Inventor： Jin Hyung OH , Gwang Zeen KO , Hyun Duk KANG , Igor KIM , Myung Sun SONG
Abstract: Provided are a frame transmission method performed in an access point (AP), a frame reception method performed in a terminal, and an AP. The frame transmission method performed in an AP includes acquiring a channel for transmitting a first data unit of a first terminal, when a data unit to be transmitted to at least one terminal other than the first terminal is in the AP, generating a physical layer convergence procedure (PLCP) protocol data unit (PPDU) including the first data unit and the data unit to be transmitted to the at least one terminal, and transmitting the PPDU to the first terminal and the at least one terminal. Accordingly, it is possible to improve the performance of a wireless local area network (WLAN).
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5.发明公开公开(公告)号：US20240340975A1
公开(公告)日：2024-10-10
申请号：US18578703
申请日：2022-07-19
Inventor： Sung Hyun HWANG , Kyu Min KANG , Jae Cheol PARK , Jin Hyung OH , Dong Woo LIM , Su Na CHOI , Yong Ho KIM
IPC: H04W74/0833 , H04L1/00 , H04W74/08 , H04W74/0816
CPC classification number: H04W74/085 , H04L1/0008 , H04W74/0816 , H04W74/0891
Abstract: A method and apparatus for NSTR communication in a communication system supporting multiple links are disclosed. A method for a first device comprises the steps of: if a first backoff operation has succeeded on a first link belonging to a first pair of NSTR links on which an STR operation of a second device is not supported, transmitting a first data frame to the second device on the first link; performing a second backoff operation for transmission of a second data frame on a second link belonging to the first pair of NSTR links; if the second backoff operation has succeeded on the second link, identifying whether or not a transmission operation of the second device is performed on the first link belonging to the pair of NSTR links; and transmitting the second data frame to the second device on the second link.
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Patent Agency Ranking
公开(公告)号：US20240340950A1
公开(公告)日：2024-10-10
申请号：US18291550
申请日：2022-08-11
Inventor： Sung Hyun HWANG , Kyu Min KANG , Jae Cheol PARK , Jin Hyung OH , Dong Woo LIM , Su Na CHOI , Yong Ho KIM
IPC: H04W74/0816
CPC classification number: H04W74/0816
Abstract: Disclosed are a method and device for bidirectional communication in a wireless LAN. The method of a first STA comprises the steps of: receiving, from an AP, a first frame including an information element indicating TXOP sharing; confirming a shared TXOP duration on the basis of the first frame; and communicating with a second STA within the shared TXOP duration.
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公开(公告)号：US20220338251A1
公开(公告)日：2022-10-20
申请号：US17761029
申请日：2020-09-16
Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , KOREA NATIONAL UNIVERSITY OF TRANSPORTATION INDUSTRY-ACADEMIC COOPERATION FOUNDATION
Inventor： Sung Hyun HWANG , Kyu Min KANG , Jae Cheol PARK , Jin Hyung OH , Su Na CHOI , Yong Ho KIM , Yong Su GWAK
IPC: H04W74/04 , H04W74/00 , H04B7/0452
Abstract: A method for sharing a multilink in a next-generation wireless LAN is disclosed. An operation method of a first communication node comprises the steps of: setting a transmission interval; communicating with a second communication node by using a first link and a second link in the transmission interval; sharing the transmission interval with a third communication node; and communicating with the second communication node by using the first link in the transmission interval.
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8.发明申请公开(公告)号：US20220287121A1
公开(公告)日：2022-09-08
申请号：US17624248
申请日：2020-07-10
Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , KOREA NATIONAL UNIVERSITY OF TRANSPORTATION INDUSTRY-ACADEMIC COOPERATION FOUNDATION
Inventor： Sung Hyun HWANG , Kyu Min KANG , Jae Cheol PARK , Jin Hyung OH , Su Na CHOI , Yong Ho KIM , Han Seul HONG
Abstract: The present invention relates to an operating method of a first communication node in a communication system, comprising the steps of: negotiating with a second communication node with respect to a parameter for multi-link transmission; determining, on the basis of the parameter, a plurality of links for performing the multi-link transmission, and the transmission method by which the multi-link transmission is performed; and transmitting, in the plurality of links, a data frame to the second communication node by means of the transmission method. Therefore, the communication node can efficiently set and change links.
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9.发明申请FRAME TRANSMISSION SYSTEM AND METHOD OF INTERFERENCE ALIGNMENT AND CONTROLLING IN MULTI-CELL RANDOM ACCESS NETWORK 有权框架传输系统和多小区随机访问网络中干扰对齐和控制的方法公开(公告)号：US20150373717A1
公开(公告)日：2015-12-24
申请号：US14744821
申请日：2015-06-19
Inventor： Jin Hyung OH , Bang Chul JUNG , Hu JIN , Myung Sun SONG
CPC classification number: H04W24/08 , H04B7/0695 , H04W24/02 , H04W74/006 , H04W74/0833
Abstract: Provided is a frame transmission method of interference alignment (IA) and controlling, the method including calculating a channel matrix of a basic service set (BSS) by measuring channel information between an access point and a user terminal, performing singular value decomposition (SVD) based on the calculated channel matrix, selecting a beamforming vector in consideration of an interference amount associated with another access point based on the SVD performed by the channel matrix, and calculating a leakage interference (LIF) value based on the selected beamforming vector.
Abstract translation: 提供了一种干扰对准（IA）的帧传输方法并且控制该方法，包括通过测量接入点和用户终端之间的信道信息来计算基本业务集（BSS）的信道矩阵，执行奇异值分解（SVD） 基于所计算的信道矩阵，基于由信道矩阵执行的SVD，考虑与另一接入点相关联的干扰量来选择波束成形向量，以及基于所选择的波束成形向量计算泄漏干扰（LIF）值。
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10.发明申请METHOD AND APPARATUS OF SELECTING TRANSMISSION RATE IN WIRELESS TRANSMISSION SYSTEM 审中-公开在无线传输系统中选择传输速率的方法与装置公开(公告)号：US20150245359A1
公开(公告)日：2015-08-27
申请号：US14445439
申请日：2014-07-29
Inventor： Igor KIM , Gwang Zeen KO , Jin Hyung OH , Hyun Duk KANG , Myung Sun SONG
CPC classification number: H04L1/0003 , H04L1/0009 , H04L1/0015 , H04L1/0034 , H04W24/10 , H04W28/22
Abstract: A method and apparatus of selecting a transmission rate in a wireless transmission system are provided. The method of selecting a transmission rate by a transmission rate selecting apparatus may comprise assigning a weight to each of criteria for selecting a transmission rate per service class, calculating a score for each transmission rate per service class using statistics information collected for a plurality of transmission rates based on the weight-assigned criteria, and selecting a transmission rate for a service class based on the calculated score.
Abstract translation: 提供了一种在无线传输系统中选择传输速率的方法和装置。 由传输速率选择装置选择传输速率的方法可以包括：为每个服务等级选择传输速率的标准分配权重，使用针对多个传输收集的统计信息来计算每个业务类别的每个传输速率的得分 基于权重分配标准的费率，以及基于所计算的分数来选择服务等级的传输速率。
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