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31. 发明申请

US20120275332A1 INTERFERENCE AVOIDANCE METHOD AND APPARATUS FOR SUPPORTING SAME IN A WIRELESS LAN SYSTEM 有权
标题翻译：用于在无线LAN系统中支持相同的干扰避免方法和装置
公开(公告)号：US20120275332A1
公开(公告)日：2012-11-01
申请号：US13517951
申请日：2010-11-04
申请人： Yong Ho Seok , Yu Jin Noh , Bong Hoe Kim , Dae Won Lee
发明人： Yong Ho Seok , Yu Jin Noh , Bong Hoe Kim , Dae Won Lee
IPC分类号： H04B15/00 , H04W24/02 , H04W84/12
CPC分类号： H04B7/0452 , H04L5/0023 , H04L5/0091 , H04L25/0204 , H04L25/0224 , H04W16/28
摘要： An interference avoidance method performed by an access point (AP) in a wireless local area network (WLAN) system is provided. The method includes: transmitting a training request (TRQ) message for requesting transmission of a sounding frame to a first station which is a target of multi-user multiple input multiple output (MU-MIMO) transmission and a second station which receives data through a direct link during the MU-MIMO transmission; receiving first and second sounding frames respectively transmitted by the first and second stations in response to the TRQ message; estimating a channel by using the first sound frame to determine a beam-forming vector to be used for the MU-MIMO transmission; and performing the MU-MIMO transmission for MU-MIMO transmission target stations including the first station, wherein the beam-forming vector is determined such that the MU-MIMO transmission has a minimum effect on the second station by considering channel information between the AP and the second station and acquired on the basis of the second sounding frame received from the second station.
摘要翻译：提供了一种由无线局域网（WLAN）系统中的接入点（AP）执行的干扰避免方法。该方法包括：向作为多用户多输入多输出（MU-MIMO）传输的目标的第一站发送用于请求发送探测帧的训练请求（TRQ）消息，以及通过一个接收数据的第二站在MU-MIMO传输期间的直接链路; 接收响应于所述TRQ消息由所述第一和第二站分别发送的第一和第二探测帧; 通过使用第一声音帧来估计要用于MU-MIMO传输的波束形成向量的信道; 以及对包括第一站的MU-MIMO传输目标站执行MU-MIMO传输，其中确定波束形成向量，使得MU-MIMO传输对第二站具有最小影响，考虑AP与AP之间的信道信息第二站，并且基于从第二站接收的第二探测帧获取。

32. 发明授权

US09794032B2 PPDU receiving method and apparatus based on the MIMO technique in a WLAN system 有权
公开(公告)号：US09794032B2
公开(公告)日：2017-10-17
申请号：US13582036
申请日：2011-03-02
申请人： Byeong Woo Kang , Yu Jin Noh , Dae Won Lee , Yong Ho Seok
发明人： Byeong Woo Kang , Yu Jin Noh , Dae Won Lee , Yong Ho Seok
IPC分类号： H04W74/00 , H04L5/00 , H04L1/18 , H04W72/04 , H04B7/0452
CPC分类号： H04L5/003 , H04B7/0452 , H04L1/1861 , H04L5/0007 , H04L5/001 , H04L5/0053 , H04W72/0406
摘要： Provided is a method of receiving a physical layer convergence procedure (PLCP) protocol data unit (PPDU) by an access point (AP) in a wireless local area (LAN) system. The method includes: allocating a first transmission channel bandwidth to a first station (STA) which is multiple input multiple output (MIMO)-paired with the AP; allocating a second transmission channel bandwidth to a second STA which is MIMO-paired with the AP; transmitting to the first STA and the second STA a sync trigger for determining a time point at which the first STA transmits a first PPDU and a time point at which the second STA transmits a second PPDU; and receiving simultaneously the first PPDU and the second PPDU from the first STA and the second STA.

33. 发明申请

US20120218983A1 METHOD AND APPARATUS FOR TRANSMITTING DATA FRAME IN WLAN SYSTEM 有权
标题翻译：在WLAN系统中发送数据帧的方法和装置
公开(公告)号：US20120218983A1
公开(公告)日：2012-08-30
申请号：US13505409
申请日：2011-06-28
申请人： Yu Jin Noh , Byeong Woo Kang , Dae Won Lee , Yong Ho Seok
发明人： Yu Jin Noh , Byeong Woo Kang , Dae Won Lee , Yong Ho Seok
IPC分类号： H04W84/12
CPC分类号： H04W72/0446 , H04B7/0452 , H04W28/20 , H04W72/04 , H04W72/0406 , H04W74/0808 , H04W84/12 , H04W88/02 , H04W88/08
摘要： A method of transmitting a data frame in a wireless local area network is provided. The method includes TXOP the step of: obtaining a transmission opportunity (TXOP) indicating a time interval during which a transmitter has a right to transmit at least one data frame and an available bandwidth for the TXOP and sequentially transmitting a plurality of data frames to at least one receiver during the TXOP, wherein a bandwidth of a subsequent data frame of the plurality of data frames is same to or narrower than a bandwidth of a preceding data frame of the plurality of data frames which is last previously transmitted before the subsequent data frame.
摘要翻译：提供了一种在无线局域网中发送数据帧的方法。该方法包括以下步骤：获得指示发送机具有发送至少一个数据帧的权利和TXOP的可用带宽的时间间隔的发送机会（TXOP），并且将多个数据帧顺序发送到所述TXOP期间的至少一个接收机，其中所述多个数据帧中的后续数据帧的带宽与所述多个数据帧中的先前数据帧的带宽相同或更小，所述先前数据帧的最后先前在所述后续数据帧之前传输。

34. 发明申请

US20120051312A1 METHOD AND APPARATUS FOR TRANSMITTING FRAME IN WLAN SYSTEM 有权
标题翻译： WLAN系统中发送帧的方法和装置
公开(公告)号：US20120051312A1
公开(公告)日：2012-03-01
申请号：US13318014
申请日：2011-03-15
申请人： Yu Jin Noh , Byeong Woo Kang , Dae Won Lee , Yong Ho Seok
发明人： Yu Jin Noh , Byeong Woo Kang , Dae Won Lee , Yong Ho Seok
IPC分类号： H04W72/04
CPC分类号： H04W76/023 , H04L12/189 , H04W4/00 , H04W72/005 , H04W76/14 , H04W84/12 , Y02D70/142 , Y02D70/22
摘要： A method of a transmission station (STA) transmitting a frame in a Wide Local Area Network (WLAN) system is provided. The method includes transmitting a Direct Link Setup (DLS) request frame, requesting direct link setup with a destination STA, to an Access Point (AP) and receiving a DLS response frame from the AP in response to the DLS request frame, wherein the DLS request frame comprises an Association ID (AID) allocated from the AP to the transmission STA in a process of the transmission STA being associated with the AP.
摘要翻译：提供了一种在宽局域网（WLAN）系统中发送帧的发送站（STA）的方法。该方法包括：响应于DLS请求帧，向接入点（AP）发送直接链路建立（DLS）请求帧，请求与目的STA的直接链路建立，并从AP接收DLS响应帧，其中DLS 请求帧包括在与AP相关联的传输STA的过程中从AP分配给传输STA的关联ID（AID）。

35. 发明授权

US08886116B2 Link adaptation method and apparatus in wireless LAN system 有权
标题翻译：无线局域网系统中的链路自适应方法和装置
公开(公告)号：US08886116B2
公开(公告)日：2014-11-11
申请号：US13522483
申请日：2010-08-18
申请人： Yong Ho Seok , Yu Jin Noh , Bong Hoe Kim , Dae Won Lee
发明人： Yong Ho Seok , Yu Jin Noh , Bong Hoe Kim , Dae Won Lee
IPC分类号： H04B17/00 , H04B7/24 , H04B7/00 , H04L12/26 , H04L1/00 , H04W4/00 , H04B7/06 , H04B7/04
CPC分类号： H04B7/0452 , H04B7/0421 , H04B7/0621 , H04L5/0053 , H04W84/12
摘要： A link adaptation method performed by a station (STA) in a wireless local area network (LAN) system supporting multi-user multiple-input multiple-output (MU-MIMO) is provided. The method includes: receiving a modulation and coding scheme (MCS) request, a steered sounding physical layer convergence procedure (PLOP) protocol data unit (PPDU) which is beam-formed to the STA, and a MIMO indicator including MU-MIMO-related information from an access point (AP); and transmitting feedback information including an MCS acquired from the steered sounding PPDU and the MU-MIMO-related information to the AP in response to the MCS request.
摘要翻译：提供了一种由支持多用户多输入多输出（MU-MIMO）的无线局域网（LAN）系统中的站（STA）执行的链路自适应方法。该方法包括：接收调制编码方案（MCS）请求，对STA进行波束形成的转向探测物理层融合过程（PLOP）协议数据单元（PLDU）以及包含MU-MIMO相关的MIMO指示符来自接入点（AP）的信息; 以及响应于所述MCS请求，向所述AP发送包括从所述转向探测PPDU获得的MCS和所述MU-MIMO相关信息的反馈信息。

36. 发明申请

US20120294255A1 LINK ADAPTATION METHOD AND APPARATUS IN WIRELESS LAN SYSTEM 有权
标题翻译：无线局域网系统中的链路适配方法和设备
公开(公告)号：US20120294255A1
公开(公告)日：2012-11-22
申请号：US13522483
申请日：2010-08-18
申请人： Yong Ho Seok , Yu Jin Noh , Bong Hoe Kim , Dae Won Lee
发明人： Yong Ho Seok , Yu Jin Noh , Bong Hoe Kim , Dae Won Lee
IPC分类号： H04W72/08
CPC分类号： H04B7/0452 , H04B7/0421 , H04B7/0621 , H04L5/0053 , H04W84/12
摘要： A link adaptation method performed by a station (STA) in a wireless local area network (LAN) system supporting multi-user multiple-input multiple-output (MU-MIMO) is provided. The method includes: receiving a modulation and coding scheme (MCS) request, a steered sounding physical layer convergence procedure (PLOP) protocol data unit (PPDU) which is beam-formed to the STA, and a MIMO indicator including MU-MIMO-related information from an access point (AP); and transmitting feedback information including an MCS acquired from the steered sounding PPDU and the MU-MIMO-related information to the AP in response to the MCS request.
摘要翻译：提供了一种由支持多用户多输入多输出（MU-MIMO）的无线局域网（LAN）系统中的站（STA）执行的链路自适应方法。该方法包括：接收调制编码方案（MCS）请求，对STA进行波束形成的转向探测物理层融合过程（PLOP）协议数据单元（PLDU）以及包含MU-MIMO相关的MIMO指示符来自接入点（AP）的信息; 以及响应于所述MCS请求，向所述AP发送包括从所述转向探测PPDU获得的MCS和所述MU-MIMO相关信息的反馈信息。

37. 发明授权

US09236925B2 Method and apparatus of link adaptation in a wireless local area network system 有权
标题翻译：无线局域网系统中链路自适应的方法和装置
公开(公告)号：US09236925B2
公开(公告)日：2016-01-12
申请号：US13996782
申请日：2011-12-22
申请人： Dae Won Lee , Byeong Woo Kang , Yong Ho Seok , Dong Wook Roh
发明人： Dae Won Lee , Byeong Woo Kang , Yong Ho Seok , Dong Wook Roh
IPC分类号： H04W4/00 , H04B7/06 , H04L1/00
CPC分类号： H04W28/0247 , H04B7/0413 , H04B7/063 , H04L1/0025 , H04L1/0027 , H04W72/0413 , H04W72/0446 , H04W72/0466 , H04W84/12
摘要： A method of transmitting modulation and coding scheme (MCS) feedback (MFB) in a wireless local area network system is provided. The method is performed by a first station and includes receiving, from a second station, a physical layer convergence procedure (PLCP) protocol data unit (PPDU), estimating a MFB based on the PPDU and transmitting, to the second station, feedback information including a MFB field and a MFB type field. The MFB field includes the MFB and the MFB type field indicates whether or not the MFB is in response to a MFB request (MRQ) of the second station.
摘要翻译：提供了一种在无线局域网系统中发送调制和编码方案（MCS）反馈（MFB）的方法。该方法由第一站执行，包括从第二站接收物理层收敛过程（PLCP）协议数据单元（PPDU），基于PPDU估计MFB并向第二站发送反馈信息，所述反馈信息包括 MFB字段和MFB类型字段。 MFB字段包括MFB，并且MFB类型字段指示MFB是否响应于第二站的MFB请求（MRQ）。

38. 发明授权

US09215571B2 Method for transmitting and receiving packet for multi user in wireless local area network and apparatus for the same 有权
标题翻译：用于在无线局域网中为多用户发送和接收分组的方法及其装置
公开(公告)号：US09215571B2
公开(公告)日：2015-12-15
申请号：US14001128
申请日：2012-02-21
申请人： Ill Soo Sohn , Byeong Woo Kang , Dae Won Lee , Yong Ho Seok
发明人： Ill Soo Sohn , Byeong Woo Kang , Dae Won Lee , Yong Ho Seok
IPC分类号： H04H20/71 , H04W4/08 , H04B7/04 , H04B7/02 , H04W84/12
CPC分类号： H04W4/08 , H04B7/024 , H04B7/0452 , H04W84/12
摘要： A method of receiving a multi-user packet by a receiver in a wireless local area network system. The method includes: receiving a first group identifier (ID) management request message from a transmitter, wherein the group ID management request message includes information about at least one group ID which is intended to be allocated to the receiver for multi user-multiple input multiple output (MU-MIMO) transmission, and the information about the at least one group ID indicates each group ID and a spatial stream set position for the each group ID; transmitting a first group ID management response message to the transmitter, wherein the group ID management response message indicates admission or adjustment for allocation of the at least one group ID; and receiving at least one multi-user packet from the transmitter, wherein the multi-user packet is transmitted using MU-MIMO transmission.
摘要翻译：一种在无线局域网系统中由接收机接收多用户分组的方法。该方法包括：从发射机接收第一组标识符（ID）管理请求消息，其中，组ID管理请求消息包括关于多个用户多输入多个目的地被分配给接收机的至少一个组ID的信息输出（MU-MIMO）传输，并且关于至少一个组ID的信息指示每个组ID的每个组ID和空间流设置位置; 向所述发射机发送第一组ID管理响应消息，其中所述组ID管理响应消息指示所述至少一个组ID的分配的准入或调整; 以及从所述发射机接收至少一个多用户分组，其中使用MU-MIMO传输来发送所述多用户分组。

39. 发明申请

US20130208715A1 METHOD AND APPARATUS FOR TRANSCEIVING A DATA FRAME IN A WIRELESS LAN SYSTEM 有权
公开(公告)号：US20130208715A1
公开(公告)日：2013-08-15
申请号：US13879794
申请日：2011-10-27
申请人： Dong Wook Roh , Byeong Woo Kang , Dae Won Lee , Yong Ho Seok
发明人： Dong Wook Roh , Byeong Woo Kang , Dae Won Lee , Yong Ho Seok
IPC分类号： H04W76/04
CPC分类号： H04W72/042 , H04B7/0413 , H04B7/0452 , H04B7/0617 , H04B7/0697 , H04L1/0025 , H04L1/0041 , H04L2001/0093 , H04W52/42 , H04W84/12
摘要： A method of transmitting a data frame by a transmitter in a WLAN system is provided. The method includes generating a data block including at least one data units respectively transmitted through at least one or more spatial streams to at least one receiver, transmitting first control information to the at least one receiver, transmitting second control information to each receiver, and transmitting the data block to the at least one receiver. The first control information includes a length indicator for the data block, a MIMO indicator indicating whether the data block is for SU-MIMO or MU-MIMO, and a spatial stream indication field including information about the number of the spatial streams. The second control information includes a FEC coding field indicating an encoding scheme applied to the data unit and an MCS field indicating an MCS applied to the data unit.

40. 发明申请

US20120269183A1 METHOD FOR REPORTING CHANNEL INFORMATION BASED ON LINK ADAPTATION IN WIRELESS LOCAL AREA NETWORK AND THE APPARATUS FOR THE SAME 有权
标题翻译：基于无线本地网络中的链路适配报告信道信息的方法及其设备
公开(公告)号：US20120269183A1
公开(公告)日：2012-10-25
申请号：US13500352
申请日：2011-11-23
申请人： Ill Soo Sohn , Yong Ho Seok , Kyoung Young Song , Dae Won Lee , Byeong Woo Kang
发明人： Ill Soo Sohn , Yong Ho Seok , Kyoung Young Song , Dae Won Lee , Byeong Woo Kang
IPC分类号： H04W24/10 , H04W84/12
CPC分类号： H04L1/0003 , H04L1/0025 , H04L1/0026 , H04L1/0027 , H04L1/06 , H04W24/10 , H04W72/04
摘要： A method for reporting channel information in a wireless local area network system is provided. The method includes receiving a data block for requesting a modulation and coding scheme (MCS) feedback from a requesting station, the data block including a data field and a stream indicator indicating a number of at least one spatial stream in the data field; determining, the MCS feedback based on the data block; and, transmitting the MCS feedback to the requesting station, the MCS feedback including a recommended MCS and a recommended stream indicator indicating a number of at least one recommended spatial stream. The number of the at least one recommended spatial stream in the MCS feedback is equal or less than the number of the at least one spatial stream in the data block.
摘要翻译：提供一种在无线局域网系统中报告信道信息的方法。该方法包括从请求站接收用于请求调制和编码方案（MCS）反馈的数据块，所述数据块包括指示数据字段中的至少一个空间流的数目的数据字段和流指示符; 确定基于数据块的MCS反馈; 并且向所述请求站发送所述MCS反馈，所述MCS反馈包括推荐的MCS和指示至少一个推荐空间流的数量的推荐流指示符。 MCS反馈中的至少一个推荐空间流的数量等于或小于数据块中的至少一个空间流的数量。

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