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41. 发明申请

US20120106531A1 METHOD AND APPARATUS FOR INDICATING DESTINATION STATIONS IN WLAN SYSTEM SUPPORTING MULTI-USER MULTIPLE INPUT MULTIPLE OUTPUT 有权
标题翻译：用于指示支持多用户多输入多输出的WLAN系统中的目的地站的方法和装置
公开(公告)号：US20120106531A1
公开(公告)日：2012-05-03
申请号：US13382522
申请日：2010-07-06
申请人： Yong Ho Seok , Byeong Woo Kang , Yu Jin Noh , Dae Won Lee
发明人： Yong Ho Seok , Byeong Woo Kang , Yu Jin Noh , Dae Won Lee
IPC分类号： H04W84/02
CPC分类号： H04B7/0452 , H04L5/0023 , H04L5/0048 , H04L25/0204 , H04L25/0226 , H04W4/06 , H04W8/26 , H04W24/00 , H04W48/08 , H04W52/346 , H04W84/12 , H04W88/08
摘要： A method of indicating destination stations, performed by an access point (AP), in a wireless local area network (WLAN) system supporting multi-user multiple input multiple output (MU-MIMO) is provided. The method includes transmitting a sounding request frame to the plurality of destination stations to transmit a sounding frame used for channel estimation between the AP and each destination station, receiving the sounding frame in response to the sounding frame request from each station, and transmitting a first data frame spatially multiplexed with respect to the plurality of destination stations by performing channel estimation on the basis of the sounding frame, wherein the sounding request frame comprises a group identifier (ID) indicating the plurality of destination stations.
摘要翻译：提供了一种在支持多用户多输入多输出（MU-MIMO）的无线局域网（WLAN）系统中由接入点（AP）指示目的地站的方法。所述方法包括：向所述多个目的地站发送探测请求帧，以发送在所述AP与每个目的站之间用于信道估计的探测帧，响应于来自每个站的所述探测帧请求接收所述探测帧，以及发送第一通过基于所述探测帧进行信道估计而相对于所述多个目的站进行空间复用的数据帧，其中所述探测请求帧包括指示所述多个目的地站的组标识符（ID）。

42. 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.

43. 发明申请

US20130250904A1 METHOD AND APPARATUS OF LINK ADAPTATION IN WIRELESS LOCAL AREA NETWORK 有权
标题翻译：无线局域网连接适应的方法与装置
公开(公告)号：US20130250904A1
公开(公告)日：2013-09-26
申请号：US13991158
申请日：2011-12-01
申请人： Byeong Woo Kang , Illsoo Sohn , Dae Won Lee , Yong Ho Seok
发明人： Byeong Woo Kang , Illsoo Sohn , Dae Won Lee , Yong Ho Seok
IPC分类号： H04B7/04
CPC分类号： H04W84/12 , H04B7/0452 , H04L1/0003 , H04L1/0009 , H04L1/0031 , H04L1/1685
摘要： A method of link adaptation performed by an access point supporting multi user(MU) multiple input multiple output(MIMO) in wireless local area network system is provided. The method includes transmitting, to a first station, a physical layer convergence procedure (PLCP) protocol data unit (PPDU) containing a modulation and coding scheme(MCS) request(MRQ) and receiving, from the first station, a MCS feedback(MFB) in response to the MRQ, wherein the first station is one of destination stations of MU-MIMO transmission performed by the access point, and the MFB includes a recommended MCS value computed, by the first station, on the assumption that the first station, as a member of the destination stations, receives data transmitted over at least one spatial stream allocated to the first station in MU-MIMO transmission.
摘要翻译：提供了一种由无线局域网系统中支持多用户（MU）多输入多输出（MIMO）的接入点进行的链路自适应的方法。该方法包括向第一站发送包含调制和编码方案（MCS）请求（MRQ）的物理层汇聚过程（PLCP）协议数据单元（PPDU），并从第一站接收MCS反馈（MFB ），其中所述第一站是由所述接入点执行的MU-MIMO传输的目的地站之一，并且所述MFB包括由所述第一站计算的推荐MCS值，假设所述第一站，作为目的站的成员，接收通过MU-MIMO传输中分配给第一站的至少一个空间流发送的数据。

44. 发明申请

US20120320856A1 CHANNEL ACCESS METHOD AND APPARATUS IN WIRELESS LOCAL AREA NETWORK SYSTEM 有权
标题翻译：无线局域网系统中的信道访问方法和设备
公开(公告)号：US20120320856A1
公开(公告)日：2012-12-20
申请号：US13577210
申请日：2011-02-10
申请人： Eun Sun Kim , Yong Ho Seok , Byeong Woo Kang , Dae Won Lee
发明人： Eun Sun Kim , Yong Ho Seok , Byeong Woo Kang , Dae Won Lee
IPC分类号： H04W74/08 , H04W72/04
CPC分类号： H04W74/0816 , H04W28/26 , H04W84/12
摘要： A channel access method and apparatus in a wireless local area network (WLAN) system are provided. A channel access method performed by an originating station in a wireless local area network (WLAN) system using a multi-channel including a plurality of subchannels includes transmitting RTS (Request To Send) frames to a destination station via the plurality of subchannels, respectively, receiving CTS (Clear To Send) frames transmitted by the destination station via the plurality of sub-channels in response to the RTS frames; and transmitting data via the subchannels via which the CTS frames have been received.
摘要翻译：提供了一种无线局域网（WLAN）系统中的信道接入方法和装置。由使用包括多个子信道的多信道的无线局域网（WLAN）系统中的始发站执行的信道接入方法包括分别经由多个子信道向目的地站发送RTS（请求发送）帧，响应于RTS帧，经由多个子信道接收由目的站发送的CTS（清除发送）帧; 以及经由其接收到CTS帧的子信道发送数据。

45. 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。

46. 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）。

47. 发明授权

US09780923B2 Method and apparatus for ACK transmission in a WLAN 有权
公开(公告)号：US09780923B2
公开(公告)日：2017-10-03
申请号：US13578867
申请日：2010-07-27
申请人： Yu Jin Noh , Dae Won Lee , Yong Ho Seok
发明人： Yu Jin Noh , Dae Won Lee , Yong Ho Seok
IPC分类号： H04L1/16 , H04L1/00
CPC分类号： H04L1/1628 , H04L1/1614 , H04L2001/0093
摘要： The present invention relates to a method and apparatus for acknowledgement (ACK) transmission in a WLAN. A station receives a plurality of data frames from a plurality of other stations and then transmits an ACK for the plurality of data frames to the plurality of stations. The ACK is a multi-user (MU) block ACK frame which includes a plurality of block ACKs for the plurality of stations. One block ACK includes at least one ACK for at least one data frame that is received from one station.

48. 发明授权

US09357501B2 Method and apparatus of transmitting PPDU in wireless local area network 有权
标题翻译：在无线局域网中传输PPDU的方法和装置
公开(公告)号：US09357501B2
公开(公告)日：2016-05-31
申请号：US13577879
申请日：2010-10-26
申请人： Eun Sun Kim , Yong Ho Seok , Dae Won Lee
发明人： Eun Sun Kim , Yong Ho Seok , Dae Won Lee
IPC分类号： H04W4/00 , H04W52/16 , H04W72/04 , H04W16/14 , H04W84/12
CPC分类号： H04W52/16 , H04W16/14 , H04W72/0453 , H04W84/12
摘要： A method for transmitting a physical protocol data unit (PPDU) in a wireless local area network (WLAN) is provide. The method includes generating a PPDU frame comprising a signal field and a data field and transmitting the PPDU frame, in which a transmission bandwidth for transmitting the signal field is fixed, but a transmission bandwidth for transmitting the data field is variable.
摘要翻译：提供了一种在无线局域网（WLAN）中发送物理协议数据单元（PPDU）的方法。该方法包括生成包括信号字段和数据字段的PPDU帧，并发送PPDU帧，其中用于发送信号字段的传输带宽是固定的，但是用于发送数据字段的传输带宽是可变的。

49. 发明授权

US09137738B2 Method and apparatus for transmitting management information frame in wireless local area network system 有权
标题翻译：用于在无线局域网系统中发送管理信息帧的方法和装置
公开(公告)号：US09137738B2
公开(公告)日：2015-09-15
申请号：US13978847
申请日：2011-11-29
申请人： Dae Won Lee , Yong Ho Seok
发明人： Dae Won Lee , Yong Ho Seok
IPC分类号： H04L1/00 , H04W48/08 , H04W48/12 , H04W72/04 , H04W84/12
CPC分类号： H04W48/12 , H04B7/0452 , H04W48/08 , H04W48/20 , H04W72/042 , H04W84/12
摘要： A method of transmitting management information, performed by an access point (AP), in a wireless local area network system. The method according to one embodiment includes transmitting, to a station, a frame including a basic service set (BSS) load information element, the BSS load information element including a multi user (MU) multiple input multiple output (MIMO) capable station (STA) count field and a plurality of bandwidth utilization fields. The MU-MIMO capable STA count field indicates a total number of STAB with MU reception capability currently associated with a candidate BSS managed by the AP. Each of the plurality of bandwidth utilization fields includes information about time that each corresponding channel width is busy.
摘要翻译：一种在无线局域网系统中发送由接入点（AP）执行的管理信息的方法。根据一个实施例的方法包括向站发送包括基本服务集（BSS）负载信息元素的帧，所述BSS负载信息元素包括具有多用户（MU）多输入多输出（MIMO）能力站（STA））计数字段和多个带宽利用率字段。具有MU-MIMO能力的STA计数字段指示当前与由AP管理的候选BSS相关联的具有MU接收能力的STAB的总数。多个带宽利用领域中的每一个包括关于每个对应的信道宽度忙的时间的信息。

50. 发明授权

US08891666B2 Method and apparatus of transmitting a spatial stream for MU-MIMO in a wireless local area network system 有权
标题翻译：在无线局域网系统中发送用于MU-MIMO的空间流的方法和装置
公开(公告)号：US08891666B2
公开(公告)日：2014-11-18
申请号：US13016900
申请日：2011-01-28
申请人： Dae Won Lee , Yong Ho Seok
发明人： Dae Won Lee , Yong Ho Seok
IPC分类号： H04L27/26 , H04W72/04 , H04B7/04 , H04W72/12 , H04W84/12 , H04W4/08
CPC分类号： H04W4/08 , H04B7/0452 , H04W72/042 , H04W72/046 , H04W72/1278 , H04W84/12
摘要： A method of transmitting a spatial stream for multi user (MU)-multiple input multiple output (MIMO) in a wireless local area network system, performed by a transmitter is provided. the method includes transmitting, to a receiver, a management frame including group information to assign or change a position of a plurality of spatial streams corresponding to each of a plurality of groups, and transmitting, to the receiver, a frame including at least one spatial stream, wherein the group information includes a plurality of group indicators and a plurality of spatial stream (SS) indicators, each of the plurality of group indicators indicating whether or not the receiver is a member of each of the plurality of groups, each of the plurality of SS indicators indicating a position of the plurality of spatial streams corresponding to each of the plurality of groups.
摘要翻译：提供了一种在无线局域网系统中由发射机发送用于多用户（MU）多输入多输出（MIMO）的空间流的方法。该方法包括向接收机发送包括组信息的管理帧以分配或改变与多个组中的每个组相对应的多个空间流的位置，以及向接收机发送包括至少一个空间流，其中所述组信息包括多个组指示符和多个空间流（SS）指示符，所述多个组指示符中的每一个指示所述接收者是否是所述多个组中的每一个的成员，多个SS指示符指示与多个组中的每个组对应的多个空间流的位置。

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