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 。

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）。

公开(公告)号：US09397737B2

公开(公告)日：2016-07-19

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： H04W48/08 ,  H04B7/04 ,  H04W52/34 ,  H04W84/12 ,  H04L5/00 ,  H04L25/02 ,  H04W4/06 ,  H04W8/26 ,  H04W24/00 ,  H04W88/08

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）。

公开(公告)号：US09350428B2

公开(公告)日：2016-05-24

申请号：US13991158

申请日：2011-12-01

申请人： Byeong Woo Kang ,  Ill Soo Sohn ,  Dae Won Lee ,  Yong Ho Seok

发明人： Byeong Woo Kang ,  Ill Soo Sohn ,  Dae Won Lee ,  Yong Ho Seok

IPC分类号： H04W24/10 ,  H04B7/04 ,  H04L1/16 ,  H04L1/00

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。

公开(公告)号：US09025544B2

公开(公告)日：2015-05-05

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： H04W74/00 ,  H04W28/00 ,  H04W74/08 ,  H04W28/26 ,  H04W84/12

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。

公开(公告)号：US08699442B2

公开(公告)日：2014-04-15

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： H04W4/00 ,  H04J3/16

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 。

公开(公告)号：US08634336B2

公开(公告)日：2014-01-21

申请号：US13395351

申请日：2011-08-02

申请人： Byeong Woo Kang ,  Dae Won Lee ,  Yong Ho Seok

发明人： Byeong Woo Kang ,  Dae Won Lee ,  Yong Ho Seok

IPC分类号： H04W52/02

CPC分类号： H04W52/0235 ,  H04B7/0452 ,  H04L69/323 ,  H04W52/02 ,  H04W52/0212 ,  H04W52/0219 ,  H04W52/0222 ,  H04W74/0808 ,  H04W84/12 ,  Y02D70/142 ,  Y02D70/444

摘要： A method of power saving in a wireless local area network is provided. The method, performed by a wireless device, includes acquiring TXOP (transmission opportunity) from access point (AP), the TXOP indicating an interval of time when the AP has the right to transmit at least one data block for multi user-multiple input multiple output (MU-MIMO) transmission, receiving a power saving indicator from the AP, the power saving indicator indicating whether the AP allows to enter doze state during the TXOP, and entering the doze state until the end of the TXOP if the power saving indicator indicates an allowance of entering the doze state.

摘要翻译： 提供了一种在无线局域网中省电的方法。 由无线设备执行的方法包括从接入点（AP）获取TXOP（传输机会），TXOP指示当AP有权发送用于多用户多输入多个的至少一个数据块的时间间隔 输出（MU-MIMO）传输，从AP接收功率节省指示符，功率指示器指示AP是否允许在TXOP期间进入打盹状态，并且进入打盹状态直到TXOP的结束，如果节电指示符 表示进入打盹状态的津贴。

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。

公开(公告)号：US20130010664A1

公开(公告)日：2013-01-10

申请号：US13395351

申请日：2011-08-02

申请人： Byeong Woo Kang ,  Dae Won Lee ,  Yong Ho Seok

发明人： Byeong Woo Kang ,  Dae Won Lee ,  Yong Ho Seok

IPC分类号： H04W52/02

CPC分类号： H04W52/0235 ,  H04B7/0452 ,  H04L69/323 ,  H04W52/02 ,  H04W52/0212 ,  H04W52/0219 ,  H04W52/0222 ,  H04W74/0808 ,  H04W84/12 ,  Y02D70/142 ,  Y02D70/444

摘要： A method of power saving in a wireless local area network is provided. The method, performed by a wireless device, includes acquiring TXOP (transmission opportunity) from access point (AP), the TXOP indicating an interval of time when the AP has the right to transmit at least one data block for multi user-multiple input multiple output (MU-MIMO) transmission, receiving a power saving indicator from the AP, the power saving indicator indicating whether the AP allows to enter doze state during the TXOP, and entering the doze state until the end of the TXOP if the power saving indicator indicates an allowance of entering the doze state.

摘要翻译： 提供了一种在无线局域网中省电的方法。 由无线设备执行的该方法包括从接入点（AP）获取TXOP（传输机会），该TXOP指示当AP有权发送用于多用户多输入多个的至少一个数据块的时间间隔 输出（MU-MIMO）传输，从AP接收功率节省指示灯，指示AP是否允许在TXOP期间进入打盹状态的功率节省指示符，并且如果节电指示器进入TXOP结束，则进入打盹状态 表示进入打盹状态的津贴。

公开(公告)号：US20120327915A1

公开(公告)日：2012-12-27

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： H04W72/04

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.

摘要翻译： 提供了一种通过无线局域网（LAN）系统中的接入点（AP）接收物理层汇聚过程（PLCP）协议数据单元（PPDU）的方法。 该方法包括：将第一传输信道带宽分配给与AP一起主导的多输入多输出（MIMO）的第一站（STA）; 向与所述AP配对的第二STA分配第二传输信道带宽; 向所述第一STA和所述第二STA发送用于确定所述第一STA发送第一PPDU的时间点和所述第二STA发送第二PPDU的时间点的同步触发; 以及从第一STA和第二STA同时接收第一PPDU和第二PPDU。