公开(公告)号：US09577744B2

公开(公告)日：2017-02-21

申请号：US14239740

申请日：2012-12-10

申请人： LG ELECTRONICS INC.

发明人： Yong Ho Seok ,  Hyang Sun You ,  Jong Hyun Park

IPC分类号： H04W4/06 ,  H04B7/26 ,  H04W56/00

CPC分类号： H04W4/06 ,  H04B7/2612 ,  H04W56/00 ,  H04W56/001 ,  H04W88/02 ,  H04W88/08

摘要： Provided is a method for receiving a frame, which is to be performed by a station (STA) in a wireless LAN system. The method includes receiving a multicast frame from an access point (AP). The multicast frame includes a medium access control (MAC) header. The MAC header includes a transmitter address (TA) field and a receiver address (RA) field. The RA field includes a multicast association identifier for identifying an STA group including said STA.

摘要翻译： 提供了一种用于接收由无线LAN系统中的站（STA）执行的帧的方法。 该方法包括从接入点（AP）接收多播帧。 多播帧包括媒体访问控制（MAC）头。 MAC报头包括发送机地址（TA）字段和接收方地址（RA）字段。 RA字段包括用于识别包括所述STA的STA组的多播关联标识符。

公开(公告)号：US09332449B2

公开(公告)日：2016-05-03

申请号：US14360232

申请日：2012-11-26

申请人： LG Electronics Inc.

发明人： Jong Hyun Park ,  Ill Soo Sohn

IPC分类号： G01R31/08 ,  H04W24/08 ,  H04B7/06

CPC分类号： H04W24/08 ,  H04B7/0643 ,  H04B7/0658

摘要： Disclosed are a method and an apparatus for feed back of channel state information. The method for transmitting channel state information comprises the steps of: receiving a null data packet (NDP) frame; calculating signal to noise ratio (SNR) information based on subcarrier information of at least one spatial stream via which the NDP frame is transmitted; and calculating a compressed beamforming feedback matrix including channel state information based on the information on the subcarrier used in transmitting the spatial stream. Thus, accurate feedback information is calculated from a frequency selective channel and utilized to enable the efficient utilization of frequency resources.

摘要翻译： 公开了一种用于反馈信道状态信息的方法和装置。 用于发送信道状态信息的方法包括以下步骤：接收空数据分组（NDP）帧; 基于发送所述NDP帧的至少一个空间流的子载波信息来计算信噪比（SNR）信息; 以及基于关于在发送空间流中使用的子载波的信息来计算包括信道状态信息的压缩波束形成反馈矩阵。 因此，从频率选择信道计算准确的反馈信息，并且用于使得能够有效利用频率资源。

公开(公告)号：US09300510B2

公开(公告)日：2016-03-29

申请号：US14362370

申请日：2012-12-10

申请人： LG ELECTRONICS INC.

发明人： Hyang Sun You ,  Yong Ho Seok ,  Jong Hyun Park

IPC分类号： H04L27/00 ,  H04L27/26 ,  H04L1/00 ,  H04L1/06 ,  H04L1/08 ,  H04W84/12

CPC分类号： H04L27/2602 ,  H04L1/0041 ,  H04L1/0071 ,  H04L1/0075 ,  H04L1/0625 ,  H04L1/08 ,  H04L27/2628 ,  H04L27/2634 ,  H04W84/12

摘要： A method for transmitting a data unit, performed by a transmitting station, in a wireless local area network system is provided. The method includes generating a repeated bit sequence, generating an interleaved bit sequence by interleaving the repeated bit sequence, generating at least one symbol by modulating the interleaved bit sequence, generating at least one OFDM symbol by performing IDFT (Inverse Discrete Fourier Transform) on the at least one symbol and transmitting the at least one OFDM symbol.

摘要翻译： 提供了一种用于在无线局域网系统中发送由发送站执行的数据单元的方法。 该方法包括生成重复的比特序列，通过交织重复的比特序列产生交织的比特序列，通过调制交织的比特序列来生成至少一个符号，通过对该比特序列进行IDFT（逆离散傅立叶变换）来生成至少一个OFDM符号 至少一个符号并发送所述至少一个OFDM符号。

公开(公告)号：US20150250003A1

公开(公告)日：2015-09-03

申请号：US14237111

申请日：2012-08-07

申请人： LG ELECTRONICS INC.

发明人： Yong Ho Seok ,  Jong Hyun Park ,  Eun Sun Kim

IPC分类号： H04W74/08 ,  H04L1/00

CPC分类号： H04L5/0048 ,  H04L1/0008 ,  H04L5/0044 ,  H04W28/06 ,  H04W74/0816 ,  H04W84/12

摘要： A method for channel access in a wireless local area network is provided. The method includes: transmitting, a plurality of Request To Send (RTS) frames over a plurality of subchannels to a receiver, each RTS frame being transmitted over each of the plurality of subchannels; receiving at least one Clear To Send (CTS) frame over at least one subchannel among the plurality of subchannels from the receiver; each CTS frame being transmitted over each of the at least one subchannel, transmitting a data unit to the receiver. The data unit includes at least one data frame. The at least one data frame is transmitted over at least one selected subchannel among the at least one subchannel, each data frame being transmitted over each selected subchannel.

摘要翻译： 提供了一种在无线局域网中进行信道接入的方法。 该方法包括：通过多个子信道将多个请求发送（RTS）帧发送到接收机，每个RTS帧在多个子信道中的每一个上发送; 在来自接收机的多个子信道中的至少一个子信道上接收至少一个清除发送（CTS）帧; 每个CTS帧在所述至少一个子信道中的每一个上传输，将数据单元发送到接收器。 数据单元包括至少一个数据帧。 所述至少一个数据帧通过所述至少一个子信道中的至少一个所选择的子信道进行发送，每个数据帧在每个所选择的子信道上传输。

公开(公告)号：US20140348047A1

公开(公告)日：2014-11-27

申请号：US14361179

申请日：2012-12-11

申请人： LG ELECTRONICS INC.

发明人： Jong Hyun Park ,  Hyang Sun You ,  Yong Ho Seok

IPC分类号： H04W52/02 ,  H04W72/04

CPC分类号： H04W52/0206 ,  H04W52/0216 ,  H04W72/0406 ,  H04W72/0446 ,  H04W84/12 ,  Y02D70/00 ,  Y02D70/142 ,  Y02D70/21

摘要： Disclosed are a method and a device for transmitting and receiving a frame using a short guard interval. A method for receiving a beacon frame comprises the steps of: receiving a first beacon frame which contains guard interval type information; determining a second beacon frame which is to be received after the first beacon frame on the basis of the guard interval type information; and receiving the second beacon frame, wherein the guard interval type information may be information which is related to a guard interval used when said second beacon frame is transmitted. Thus, since a station can determine whether to receive a frame using a certain guard interval, the station can receive a power-saving effect.

摘要翻译： 公开了一种使用短保护间隔发送和接收帧的方法和装置。 一种用于接收信标帧的方法包括以下步骤：接收包含保护间隔类型信息的第一信标帧; 基于所述保护间隔类型信息确定将在所述第一信标帧之后接收的第二信标帧; 以及接收所述第二信标帧，其中所述保护间隔类型信息可以是与发送所述第二信标帧时使用的保护间隔相关的信息。 因此，由于站可以确定是否使用一定的保护间隔来接收帧，所以该站可以接收节能效果。

公开(公告)号：US20140321349A1

公开(公告)日：2014-10-30

申请号：US14356068

申请日：2012-11-19

申请人： LG ELECTRONICS INC.

发明人： Yong Ho Seok ,  Hyang Sun You ,  Jong Hyun Park

IPC分类号： H04W52/02

CPC分类号： H04W52/0229 ,  H04L47/266 ,  H04W52/0216 ,  H04W74/08 ,  H04W76/28 ,  H04W84/12 ,  Y02D70/00 ,  Y02D70/142 ,  Y02D70/168 ,  Y02D70/21 ,  Y02D70/22

摘要： The present invention relates to methods of transmitting and receiving a frame, which are performed by a station operating in a power save mode in a wireless LAN system. The method includes: transmitting a poll frame requesting the transmission of a buffered frame to an access point AP, wherein the poll frame includes a sustain time field that indicates a service section; and receiving at least one buffered frame from the AP within the sustain time in response to the poll frame. A method is provided for transmitting and receiving a frame executed by a station (STA) operating in a power sub mode in a wireless LAN system. The method includes transmitting a first poll frame requesting the transmission of a buffered frame to an access point AP, receiving an acknowledgement ACK frame in response to the first poll frame, and receiving at least one buffered frame from the AP.

摘要翻译： 本发明涉及一种发送和接收帧的方法，该方法由无线LAN系统中以省电模式操作的站执行。 该方法包括：向接入点AP发送请求传输缓冲帧的轮询帧，其中轮询帧包括指示服务段的维持时间字段; 以及响应于所述轮询帧在所述维持时间内从所述AP接收至少一个缓冲帧。 提供一种用于发送和接收在无线LAN系统中以电力子模式操作的站（STA）执行的帧的方法。 该方法包括：向接入点AP发送请求传输缓冲帧的第一轮询帧，响应于第一轮询帧接收确认ACK帧，以及从AP接收至少一个经缓冲的帧。

公开(公告)号：US20140286356A1

公开(公告)日：2014-09-25

申请号：US14350781

申请日：2012-10-31

申请人： LG ELECTRONICS INC.

发明人： Hyang Sun You ,  Yong Ho Seok ,  Jong Hyun Park

IPC分类号： H04L29/06

CPC分类号： H04L69/22 ,  H04L1/0025 ,  H04L1/0681 ,  H04L1/08 ,  H04L27/2666 ,  H04W4/70 ,  H04W80/02

摘要： Disclosed are method and device for indicating a PLCP header transmission mode. A method for generating a physical layer convergence protocol (PLCP) of a data frame can comprise the following steps: demodulating PLCP header mode information based on a scrambling sequence of the received frame or information elements included in the received frame; and generating a data frame including the PLCP header generated based on the PCLP header mode information. The PLCP header mode information comprises at least one indication from a space time block coding mode indication, a guard interval mode indication, and a repetition mode indication. The invention is capable of improving data transmission efficiency by adaptively determining a transmission mode of a PCLP header to a channel situation.

摘要翻译： 公开了用于指示PLCP报头传输模式的方法和装置。 一种用于生成数据帧的物理层汇聚协议（PLCP）的方法可以包括以下步骤：基于所接收的帧的加扰序列或包括在接收帧中的信息元素来解调PLCP头模式信息; 以及生成包括基于PCLP头模式信息生成的PLCP头的数据帧。 PLCP头模式信息包括来自空间时间块编码模式指示，保护间隔模式指示和重复模式指示的至少一个指示。 本发明能够通过将PCLP头的传输模式自适应地确定到信道情况来提高数据传输效率。

公开(公告)号：US09888439B2

公开(公告)日：2018-02-06

申请号：US14943497

申请日：2015-11-17

申请人： LG Electronics Inc.

发明人： Eun Sun Kim ,  Yong Ho Seok ,  Jong Hyun Park ,  Hyang Sun You

IPC分类号： G08C17/00 ,  H04W52/02 ,  H04W74/00 ,  H04W84/12

CPC分类号： H04W52/0206 ,  H04W52/0216 ,  H04W52/0229 ,  H04W74/006 ,  H04W84/12 ,  Y02B70/30 ,  Y02D70/00 ,  Y02D70/142 ,  Y02D70/144 ,  Y02D70/164 ,  Y02D70/21 ,  Y02D70/22

摘要： A communication method based on identifying information assignment in a wireless local area network (WLAN) system, performed by a station (STA), is provided. The method includes receiving an identifier assignment message from an access point (AP), wherein the identifier assignment message comprises identifying information for the STA, and TIM offset information for a time point at which at least one traffic indication map (TIM) element for the STA starts to be transmitted; receiving a first TIM element from the AP at a time point indicated by the TIM offset information; determining whether the first TIM element comprises the identifying information; and receiving a first data frame from the AP if the first TIM element contains the identifying information.

公开(公告)号：US20170118602A1

公开(公告)日：2017-04-27

申请号：US15400061

申请日：2017-01-06

申请人： LG Electronics Inc.

发明人： Yong Ho Seok ,  Hyang Sung You ,  Jong Hyun Park

IPC分类号： H04W4/06 ,  H04W56/00 ,  H04B7/26

摘要： Provided is a method for receiving a frame, which is to be performed by a station (STA) in a wireless LAN system. The method includes receiving a multicast frame from an access point (AP). The multicast frame includes a medium access control (MAC) header. The MAC header includes a transmitter address (TA) field and a receiver address (RA) field. The RA field includes a multicast association identifier for identifying an STA group including said STA.

公开(公告)号：US09629078B2

公开(公告)日：2017-04-18

申请号：US14238731

申请日：2012-11-22

申请人： LG ELECTRONICS INC.

发明人： Yong Ho Seok ,  Hyang Sun You ,  Jong Hyun Park

IPC分类号： H04W52/02 ,  H04W74/04

CPC分类号： H04W52/0206 ,  H04W52/0216 ,  H04W74/04 ,  Y02D70/00 ,  Y02D70/142 ,  Y02D70/168 ,  Y02D70/21 ,  Y02D70/22

摘要： Provided is a method for transceiving data in a wireless LAN system on the basis of station (STA)-based service period scheduling. The method comprises entering an awake state, configuring a service period for transceiving an access point (AP) and data, transceiving the AP and the data during the service period, and entering a doze state when the service period ends.