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11. 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。

12. 发明申请

US20120230443A1 MU-MIMO TRANSMISSION METHOD IN WIRELESS LAN SYSTEM 有权
标题翻译：无线局域网系统中的MU-MIMO传输方法
公开(公告)号：US20120230443A1
公开(公告)日：2012-09-13
申请号：US13509277
申请日：2010-11-12
申请人： Yong Ho Seok , Bong Hoe Kim , Dae Won Lee
发明人： Yong Ho Seok , Bong Hoe Kim , Dae Won Lee
IPC分类号： H04L27/28
CPC分类号： H04B7/0452 , H04B7/0456 , H04B7/0617 , H04B7/0632 , H04B7/0663 , H04L25/0224 , H04W84/12
摘要： A Multi-User-Multiple Input Multiple Output (MU-MIMO) transmission method performed by an AP in a Wireless Local Area Network (WLAN) system is provided. The method includes transmitting an MU-MIMO initiation message to a destination STA which is a target of a MU-MIMO transmission, the MU-MIMO initiation message informing that MU-MIMO transmission will be initiated, receiving a sounding frame transmitted by the destination STA as a response to the MU-MIMO initiation message and performing MU-MIMO transmission on data by beamforming based on channel information obtained from the sounding frame. The sounding frame includes precoded and virtualized channel information Hvirtual between the AP and the STA. A dimension of the Hvirtual is lower than a dimension of channel information H between the AP and the STA.
摘要翻译：提供了一种由无线局域网（WLAN）系统中的AP执行的多用户多输入多输出（MU-MIMO）传输方法。该方法包括向作为MU-MIMO传输的目标的目的地STA发送MU-MIMO发起消息，通知MU-MIMO传输将被发起的MU-MIMO发起消息，接收目的STA发送的探测帧作为对MU-MIMO发起消息的响应，并且基于从发现帧获得的信道信息，通过波束成形对数据执行MU-MIMO传输。探测帧包括在AP和STA之间的虚拟的预编码和虚拟化信道信息。 Hvirtual的维度低于AP和STA之间的信道信息H的维度。

13. 发明授权

US10080140B2 Method and apparatus for transmitting data in WLAN system 有权
公开(公告)号：US10080140B2
公开(公告)日：2018-09-18
申请号：US13499473
申请日：2010-10-01
申请人： Yong Ho Seok , Bong Hoe Kim , Dae Won Lee
发明人： Yong Ho Seok , Bong Hoe Kim , Dae Won Lee
IPC分类号： H04L27/26 , H04W16/14 , H04L5/00 , H04W84/12
CPC分类号： H04W16/14 , H04L5/0023 , H04L5/0048 , H04L27/2613 , H04W84/12
摘要： A method of transmitting data in a WLAN system using a transmission frequency band including a plurality of frequency blocks includes generating a transmission information field, including at least one of information for timing acquisition of a frame, channel estimation information, and information for demodulation and decoding of the data, generating a plurality of transformed transmission information fields by multiplying the transmission information field by a transform sequence, and transmitting the plurality of transformed transmission information fields through the plurality of respective frequency blocks. The transform sequence comprises a plurality of transform values, and the plurality of transformed transmission information fields is generated by multiplying transmission information field by each of a plurality of transform values.

14. 发明授权

US08891653B2 MU-MIMO transmission method in wireless LAN system 有权
标题翻译：无线局域网系统中的MU-MIMO传输方法
公开(公告)号：US08891653B2
公开(公告)日：2014-11-18
申请号：US13509277
申请日：2010-11-12
申请人： Yong Ho Seok , Bong Hoe Kim , Dae Won Lee
发明人： Yong Ho Seok , Bong Hoe Kim , Dae Won Lee
IPC分类号： H04B7/02 , H04L1/02 , H04B7/04 , H04B7/06
CPC分类号： H04B7/0452 , H04B7/0456 , H04B7/0617 , H04B7/0632 , H04B7/0663 , H04L25/0224 , H04W84/12
摘要： A Multi-User-Multiple Input Multiple Output (MU-MIMO) transmission method performed by an AP in a Wireless Local Area Network (WLAN) system is provided. The method includes transmitting an MU-MIMO initiation message to a destination STA which is a target of a MU-MIMO transmission, the MU-MIMO initiation message informing that MU-MIMO transmission will be initiated, receiving a sounding frame transmitted by the destination STA as a response to the MU-MIMO initiation message and performing MU-MIMO transmission on data by beamforming based on channel information obtained from the sounding frame. The sounding frame includes precoded and virtualized channel information Hvirtual between the AP and the STA. A dimension of the Hvirtual is lower than a dimension of channel information H between the AP and the STA.
摘要翻译：提供了一种由无线局域网（WLAN）系统中的AP执行的多用户多输入多输出（MU-MIMO）传输方法。该方法包括向作为MU-MIMO传输的目标的目的地STA发送MU-MIMO发起消息，通知MU-MIMO传输将被发起的MU-MIMO发起消息，接收目的STA发送的探测帧作为对MU-MIMO发起消息的响应，并且基于从发现帧获得的信道信息，通过波束成形对数据执行MU-MIMO传输。探测帧包括在AP和STA之间的虚拟的预编码和虚拟化信道信息。 Hvirtual的维度低于AP和STA之间的信道信息H的维度。

15. 发明申请

US20120044925A1 METHOD AND APPARATUS FOR TRANSMITTING A FRAME IN A WIRELESS RAN SYSTEM 有权
标题翻译：用于在无线RAN系统中发送帧的方法和装置
公开(公告)号：US20120044925A1
公开(公告)日：2012-02-23
申请号：US13318019
申请日：2010-12-03
申请人： Dae Won Lee , Byeong Woo Kang , Yu Jin Noh , Bong Hoe Kim , Yong Ho Seok
发明人： Dae Won Lee , Byeong Woo Kang , Yu Jin Noh , Bong Hoe Kim , Yong Ho Seok
IPC分类号： H04W84/12
CPC分类号： H04L27/2602 , H04B7/0413 , H04L1/1812 , H04L5/0023 , H04L5/0091 , H04W52/0216 , H04W52/0219 , H04W52/0241 , H04W72/0413 , H04W72/042 , H04W80/02 , H04W84/12 , H04W88/08 , Y02B70/30 , Y02D70/00 , Y02D70/142 , Y02D70/22
摘要： There is provided a method and apparatus for transmitting a frame which is performed by a transmission STA in a WLAN system. The method of transmitting a frame according to the present invention includes generating an MAC Protocol Data Unit (MPDU) to be transmitted to a target station, generating a PLCP Protocol Data Unit (PPDU) by attaching a Physical Layer Convergence Procedure (PLCP) header to the MPDU, and transmitting the PPDU to the target station. The PLCP header comprises a partial Association ID (AID) of the target station.
摘要翻译：提供了一种用于发送由WLAN系统中的传输STA执行的帧的方法和装置。根据本发明的发送帧的方法包括生成要发送到目标站的MAC协议数据单元（MPDU），通过将物理层会聚过程（PLCP）头部附加到 MPDU，并将PPDU发送到目标站。 PLCP报头包括目标站的部分关联ID（AID）。

16. 发明申请

US20110110348A1 METHOD AND APPARATUS FOR TRANSMITTING PLCP FRAME IN WIRELESS LOCAL AREA NETWORK SYSTEM 有权
标题翻译：在无线局域网系统中传输PLCP帧的方法和装置
公开(公告)号：US20110110348A1
公开(公告)日：2011-05-12
申请号：US12941974
申请日：2010-11-08
申请人： Dae Won Lee , Dong Wook Roh , Byeong Woo Kang , Yong Ho Seok , Yu Jin Noh , Bong Hoe Kim
发明人： Dae Won Lee , Dong Wook Roh , Byeong Woo Kang , Yong Ho Seok , Yu Jin Noh , Bong Hoe Kim
IPC分类号： H04W40/00
CPC分类号： H04L27/261 , H03M5/12 , H04B7/0413 , H04L1/0041 , H04L1/0061 , H04L25/4904 , H04L27/14 , H04L27/144 , H04L27/148 , H04L27/1563 , H04L27/22 , H04L27/2273 , H04L27/2331 , H04L27/2332 , H04L27/2613 , H04L27/2647 , H04L2027/0028 , H04N5/4401 , H04Q1/46 , H04W28/06 , H04W84/12
摘要： A method of transmitting a Physical Layer Convergence Procedure (PLCP) frame in a Very High Throughput (VHT) Wireless Local Area Network (WLAN) system includes generating a MAC Protocol Data Unit (MPDU) to be transmitted to a destination station (STA), generating a PLCP Protocol Data Unit (PPDU) by adding a PLCP header, including an L-SIG field containing control information for a legacy STA and a VHT-SIG field containing control information for a VHT STA, to the MPDU, and transmitting the PPDU to the destination STA. A constellation applied to some of Orthogonal Frequency Division Multiplex (OFDM) symbols of the VHT-SIG field is obtained by rotating a constellation applied to an OFDM symbol of the L-SIG field.
摘要翻译：一种在非常高吞吐量（VHT）无线局域网（WLAN）系统中发送物理层汇聚程序（PLCP）帧的方法包括生成要发送到目的站（STA）的MAC协议数据单元（MPDU）通过将包含包含用于传统STA的控制信息的L-SIG字段和包含用于VHT STA的控制信息的VHT-SIG字段的L-SIG字段的PLCP头添加到MPDU来生成PLCP协议数据单元（PPDU），以及发送PPDU 到目的地STA。通过旋转施加到L-SIG字段的OFDM符号的星座来获得应用于VHT-SIG字段的一些正交频分复用（OFDM）符号的星座。

17. 发明授权

US08995342B2 Method of reducing interference between stations in wireless LAN system, and apparatus supporting the same 有权
标题翻译：减少无线局域网系统中站间干扰的方法及其支持的装置
公开(公告)号：US08995342B2
公开(公告)日：2015-03-31
申请号：US13515266
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： H04B15/00 , H04W84/12 , H04W72/08 , H04W28/04 , H04W48/16 , H04W88/08
CPC分类号： H04W72/082 , H04W28/04 , H04W48/16 , H04W72/046 , H04W84/12 , H04W88/08
摘要： An interference avoidance method performed by an Access Point (AP) in a WLAN system in an Overlapping Basic Service Set (OBSS) environment is provided. The interference avoidance method includes receiving an interference avoidance request message from the first STA, the interference avoidance request message informing that frame transmission of the AP acts as interference with a first STA; transmitting an interference avoidance response message in response to the interference avoidance request message; obtaining first channel information about a first channel between the first STA and the AP from the first STA which has received the interference avoidance response message; determining a transmitting steering matrix based on the first channel information; and transmitting data to a second STA by performing beamforming according to the transmitting steering matrix.
摘要翻译：提供了一种由重叠基础服务集（OBSS）环境中的WLAN系统中的接入点（AP）执行的干扰避免方法。干扰避免方法包括从第一STA接收干扰避免请求消息，通知AP的帧传输作为与第一STA的干扰的干扰避免请求消息; 响应于所述干扰避免请求消息发送干扰避免响应消息; 从已经接收到干扰避免响应消息的第一STA获取关于第一STA和AP之间的第一信道的第一信道信息; 基于所述第一信道信息确定发射导向矩阵; 以及通过根据发射导向矩阵执行波束成形来将数据发送到第二STA。

18. 发明授权

US08867394B2 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系统中支持的干扰避免方法和装置
公开(公告)号：US08867394B2
公开(公告)日：2014-10-21
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： G01R31/08 , H04B7/04 , H04L5/00 , H04W16/28 , H04L25/02
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。

19. 发明授权

US08625562B2 Method and apparatus for allocating transmission channel in wireless local area network system 有权
标题翻译：在无线局域网系统中分配传输信道的方法和装置
公开(公告)号：US08625562B2
公开(公告)日：2014-01-07
申请号：US13579513
申请日：2011-02-25
申请人： Yu Jin Noh , Dae Won Lee , Byeong Woo Kang , Bong Hoe Kim , Yong Ho Seok
发明人： Yu Jin Noh , Dae Won Lee , Byeong Woo Kang , Bong Hoe Kim , Yong Ho Seok
IPC分类号： H04W4/00 , H04L12/413 , H04J3/16 , H04J3/22
CPC分类号： H04W72/0406 , H04B7/0413 , H04L5/001 , H04L5/0033 , H04L5/0044 , H04L5/0094 , H04L61/6022 , H04L69/22 , H04L69/323 , H04L69/324 , H04W28/065 , H04W72/04 , H04W72/042 , H04W72/085 , H04W84/12 , H04W88/08
摘要： A method of allocating a channel in a wireless local area network (WLAN) system is provided. The method includes generating a MAC protocol data unit (MPDU) to be transmitted to a target station (STA), generating a PLCP protocol data unit (PPDU) by attaching a physical layer convergence procedure (PLCP) header to the MPDU, and transmitting the PPDU to the STA, wherein the PLCP header includes channel allocation information for transmission of the PPDU.
摘要翻译：提供了一种在无线局域网（WLAN）系统中分配信道的方法。该方法包括生成要发送到目标站（STA）的MAC协议数据单元（MPDU），通过将物理层汇聚过程（PLCP）报头附加到MPDU来生成PLCP协议数据单元（PPDU），并发送 PPDU发送到STA，其中PLCP报头包括用于传输PPDU的信道分配信息。

20. 发明申请

US20120327914A1 METHOD FOR TRANSMITTING SOUNDING SIGNAL IN WIRELESS COMMUNICATION SYSTEM 有权
标题翻译：无线通信系统中发送信号的方法
公开(公告)号：US20120327914A1
公开(公告)日：2012-12-27
申请号：US13580097
申请日：2010-11-29
申请人： Byeong Woo Kang , Dae Won Lee , Yu Jin Noh , Bong Hoe Kim , Yong Ho Seok
发明人： Byeong Woo Kang , Dae Won Lee , Yu Jin Noh , Bong Hoe Kim , Yong Ho Seok
IPC分类号： H04W72/04
CPC分类号： H04W56/00 , H04L5/0023 , H04L5/0053 , H04L5/16 , H04W8/005 , H04W8/186 , H04W48/16 , H04W84/12
摘要： Disclosed is a method for allowing a station to transmit a sounding signal in a multiple-antenna wireless communication system, the method including receiving a group defining information about a group to which the station belongs from an access point (AP); determining a transmission time taken in transmitting a sounding signal by the respective stations, which belong to the group, on the basis of the group defining information; and transmitting a sounding signal to the AP in accordance with the transmission time and preset transmission order when receiving a sounding request signal from the AP.
摘要翻译：公开了一种允许站在多天线无线通信系统中发送探测信号的方法，所述方法包括从接入点（AP）接收定义关于所述站所属的组的信息的组; 基于组定义信息，确定由属于该组的各个站发送探测信号所用的传输时间; 并且当从AP接收到探测请求信号时，根据传输时间和预设的传输顺序，向AP发送探测信号。

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