公开(公告)号：US09866305B2

公开(公告)日：2018-01-09

申请号：US15350349

申请日：2016-11-14

Applicant: LG ELECTRONICS INC.

Inventor： Yongho Seok

IPC: H04B7/06 ,  H04W52/24 ,  H04W52/28 ,  H04W72/04 ,  H04L5/00 ,  H04W52/42 ,  H04W52/52 ,  H04B7/0413 ,  H04W84/12

CPC classification number: H04B7/0665 ,  H04B7/0413 ,  H04L5/0023 ,  H04L5/0053 ,  H04W52/248 ,  H04W52/281 ,  H04W52/42 ,  H04W52/52 ,  H04W72/0453 ,  H04W72/0473 ,  H04W84/12

Abstract: A method is presented for transmitting a data packet in a wireless local area network. A physical layer protocol data unit (PPDU) is generated, The PPDU indicates that the PPDU is to be transmitted to a plurality of receivers. The PPDU includes a legacy-short training field (L-STF), a legacy-long training field (LTF), a legacy-signal field (L-SIG), a signal field and a plurality of data streams. The PPDU is transmitted to the plurality of receivers through a plurality of subchannels. The signal field includes stream information and subchannel information. The stream information indicates at least one of the plurality of data streams assigned to each of the plurality of receivers. The subchannel information indicates at least one of the plurality of subchannels through which a corresponding data steam assigned to each of the plurality of receivers is transmitted.

公开(公告)号：US09775174B2

公开(公告)日：2017-09-26

申请号：US14763490

申请日：2013-10-30

Applicant: LG ELECTRONICS INC.

Inventor： Yongho Seok

IPC: H04W74/08 ,  H04L27/00 ,  H04L1/16 ,  H04W72/04 ,  H04W80/02 ,  H04L5/00 ,  H04W84/12

CPC classification number: H04W74/0808 ,  H04L1/1671 ,  H04L1/188 ,  H04L5/0053 ,  H04L27/0006 ,  H04W72/0406 ,  H04W72/044 ,  H04W72/0446 ,  H04W74/0816 ,  H04W80/02 ,  H04W84/12

Abstract: The present invention relates to a wireless communication system and, more specifically, provides a method and device for transmitting/receiving a frame in accordance with the bandwidth thereof in a WLAN system. The method whereby a station (STA) performs virtual carrier sensing (VCS) in a WLAN system according to one embodiment of the present invention may comprise the steps of: receiving a frame by the STA; determining by the STA, a VCS time length value on the basis of the response indication parameter and/or channel bandwidth type of the frame; and deferring channel access by the STA for the VCS time length value.

公开(公告)号：US09749901B2

公开(公告)日：2017-08-29

申请号：US14434903

申请日：2013-10-07

Applicant: LG Electronics Inc.

Inventor： Yongho Seok

IPC: H04W28/06 ,  H04W4/00 ,  H04W12/02 ,  H04L29/08 ,  H04W84/12 ,  H04W52/02

CPC classification number: H04L61/6022 ,  H04L63/0876 ,  H04L67/2842 ,  H04L69/04 ,  H04L69/22 ,  H04L69/324 ,  H04W4/70 ,  H04W12/02 ,  H04W12/06 ,  H04W28/06 ,  H04W28/065 ,  H04W52/0209 ,  H04W84/12 ,  Y02D70/00 ,  Y02D70/1224 ,  Y02D70/1262 ,  Y02D70/1264 ,  Y02D70/142 ,  Y02D70/146 ,  Y02D70/168 ,  Y02D70/21 ,  Y02D70/22

Abstract: A method and apparatus for transmitting and receiving a frame supporting a short MAC header in a wireless LAN (WLAN) system are disclosed. A method for encrypting a MAC protocol data unit (MPDU) in a wireless LAN (WLAN) system includes: constructing, by a first station (STA), Additional Authentication Data (AAD) including a Frame Control (FC) field, an Address 1 (A1) field, an Address 2 (A2) field, and a Sequence Control (SC) field; and transmitting a frame including an encrypted MPDU including the AAD from the first STA to a second STA. The FC field, the A1 field, the A2 field, and the SC field of the AAD are constructed on the basis of an FC field, an A1 field, an A2 field, and an SC field of a short MAC header of the MPDU, and one of the A1 field and the A2 field of the AAD includes an associated identifier (AID) value according to whether a transmission direction of the frame is an uplink (UL) or downlink (DL) direction.

公开(公告)号：US09749371B2

公开(公告)日：2017-08-29

申请号：US14758001

申请日：2013-10-30

Applicant: LG ELECTRONICS INC.

Inventor： Yongho Seok

IPC: H04L29/06 ,  H04W4/06 ,  H04B7/155 ,  H04L29/12 ,  H04W76/02 ,  H04W84/12

CPC classification number: H04L65/4076 ,  H04B7/15507 ,  H04L61/6022 ,  H04W4/06 ,  H04W76/11 ,  H04W84/12

Abstract: The present disclosure relates to a wireless communication system and, more particularly, to a method and apparatus for multicasting/broadcasting in a relay network of a wireless LAN system. A method by which a relay entity delivers a multicast/broadcast frame in a wireless LAN system, according to one embodiment of the present disclosure, includes the steps of: receiving a multicast/broadcast frame from an STA; and delivering the multicast/broadcast frame to a root access point (AP). The multicast/broadcast frame may be transmitted by the root AP in a broadcast scheme within a basic service set (BSS). In the multicast/broadcast frame transmitted in the broadcast scheme by the root AP, an address 1 (A1) field may be set to a multicast/broadcast address, an Address 2 (A2) field may be set to a medium access control (MAC) address of the root AP, and an Address 3 (A3) field may be set as a MAC address of the STA, which is a source address of the multicast/broadcast frame.

公开(公告)号：US09736871B2

公开(公告)日：2017-08-15

申请号：US14651607

申请日：2013-12-12

Applicant: LG ELECTRONICS INC.

Inventor： Jeongki Kim ,  Yongho Seok ,  Hangyu Cho ,  Jinsoo Choi

IPC: H04W76/02 ,  H04L1/18 ,  H04W8/26 ,  H04W72/04 ,  H04W92/18 ,  H04W48/12 ,  H04L1/00 ,  H04W4/00

CPC classification number: H04W76/021 ,  H04L1/1829 ,  H04L2001/0097 ,  H04W4/70 ,  H04W8/26 ,  H04W48/12 ,  H04W72/0413 ,  H04W72/042 ,  H04W76/11 ,  H04W92/18

Abstract: One embodiment of the present invention relates to a method for transmitting/receiving information related to an association identification (AID) in a wireless communication system, the transmitting/receiving method comprising: a step in which a second STA having a direct link to a first STA receives an announcement frame related to an updated AID from the first STA; and a step in which the second STA transmits an ACK frame in response to the announcement frame, wherein the announcement frame comprises one or more AID-MAC address pairs and the second STA updates the AID of an STA corresponding to the one or more AID-MAC address pairs.

公开(公告)号：US09596645B2

公开(公告)日：2017-03-14

申请号：US15266703

申请日：2016-09-15

Applicant: LG ELECTRONICS INC.

Inventor： Yongho Seok

IPC: H04W48/14 ,  H04W4/00 ,  H04W60/04 ,  H04W84/12 ,  H04B7/04

CPC classification number: H04W60/04 ,  H04B7/0413 ,  H04W4/70 ,  H04W48/14 ,  H04W84/12 ,  Y02D70/1222 ,  Y02D70/1224 ,  Y02D70/1262 ,  Y02D70/1264 ,  Y02D70/142 ,  Y02D70/146 ,  Y02D70/168 ,  Y02D70/21 ,  Y02D70/22

Abstract: A method and apparatus for maintaining association in a WLAN system are disclosed. The method for performing association by a station (STA) in a wireless LAN (WLAN) system includes: transmitting an association request frame from the station (STA) to an access point (AP); and receiving an association response frame from the access point (AP) in response to the association request frame. If the association request is accepted by the access point (AP), the association response frame includes information regarding an association comeback time.

Abstract translation: 公开了一种在WLAN系统中保持关联的方法和装置。 用于通过无线LAN（WLAN）系统中的站（STA）进行关联的方法包括：从站（STA）向接入点（AP）发送关联请求帧; 以及响应于所述关联请求帧，从所述接入点（AP）接收关联响应帧。 如果关联请求被接入点（AP）接受，则关联响应帧包括关于关联重放时间的信息。

公开(公告)号：US09578655B2

公开(公告)日：2017-02-21

申请号：US14394928

申请日：2013-04-29

Applicant: LG ELECTRONICS INC.

Inventor： Yongho Seok

IPC: H04W4/00 ,  H04W74/04 ,  H04W52/02 ,  H04W74/00 ,  H04W84/12

CPC classification number: H04W74/04 ,  H04W4/08 ,  H04W40/244 ,  H04W52/0216 ,  H04W72/005 ,  H04W72/0446 ,  H04W72/0453 ,  H04W74/006 ,  H04W84/12 ,  Y02D70/00 ,  Y02D70/1222 ,  Y02D70/1224 ,  Y02D70/1262 ,  Y02D70/1264 ,  Y02D70/142 ,  Y02D70/144 ,  Y02D70/146 ,  Y02D70/168 ,  Y02D70/21 ,  Y02D70/22

Abstract: The present invention relates to a wireless communication system, and more specifically, disclosed are a method and an apparatus for accessing a channel in a WLAN system. The method for accessing a channel from a station (STA) in a wireless communication system, according to one embodiment of the present invention, comprises the steps of: receiving from an access point (AP) a first frame including a traffic indication map (TIM) and a restricted access window (RAW) parameter set component; determining a RAW in which channel access of the STA is permitted, on the basis of the RAW parameter set (RPS) component; and transmitting a second frame to the AP from within the RAW that is determined, wherein the RAW includes at least one slot, the RPS component includes at least one RAW allocation field, each of the at least one RAW allocation field includes a RAW duration field and a slot duration field, and wherein an index of a slot which is allocated to the STA can be determined on the basis of an association identifier (AID) of the STA and the number of the slots in the RAW.

Abstract translation: 无线通信系统技术领域本发明涉及一种无线通信系统，更具体地说，本发明涉及一种在WLAN系统中访问信道的方法和装置。 根据本发明的一个实施例，用于从无线通信系统中的站（STA）访问信道的方法包括以下步骤：从接入点（AP）接收包括交通指示图（TIM ）和限制访问窗口（RAW）参数集组件; 基于RAW参数集（RPS）分量来确定允许STA的信道访问的RAW; 以及从所确定的RAW内的所述AP发送第二帧，其中所述RAW包括至少一个时隙，所述RPS分量包括至少一个RAW分配字段，所述至少一个RAW分配字段中的每一个包括RAW持续时间字段 和时隙持续时间字段，并且其中可以基于STA的关联标识符（AID）和RAW中的时隙数量来确定分配给STA的时隙的索引。

公开(公告)号：US20170019920A1

公开(公告)日：2017-01-19

申请号：US15277520

申请日：2016-09-27

Applicant: LG Electronics Inc.

Inventor： Yongho Seok

IPC: H04W74/00 ,  H04W52/02 ,  H04W40/24

CPC classification number: H04W74/04 ,  H04W4/08 ,  H04W40/244 ,  H04W52/0216 ,  H04W72/005 ,  H04W72/0446 ,  H04W72/0453 ,  H04W74/006 ,  H04W84/12 ,  Y02D70/00 ,  Y02D70/1222 ,  Y02D70/1224 ,  Y02D70/1262 ,  Y02D70/1264 ,  Y02D70/142 ,  Y02D70/144 ,  Y02D70/146 ,  Y02D70/168 ,  Y02D70/21 ,  Y02D70/22

Abstract: The present invention relates to a wireless communication system, and more specifically, disclosed are a method and an apparatus for accessing a channel in a WLAN system. The method for accessing a channel from a station (STA) in a wireless communication system, according to one embodiment of the present invention, comprises the steps of: receiving from an access point (AP) a first frame including a traffic indication map (TIM) and a restricted access window (RAW) parameter set component; determining a RAW in which channel access of the STA is permitted, on the basis of the RAW parameter set (RPS) component; and transmitting a second frame to the AP from within the RAW that is determined, wherein the RPS component includes at least one RAW allocation field, and each of the at least one RAW allocation fields can include a RAW group field, a RAW starting point field, and a RAW duration field.

Abstract translation: 无线通信系统技术领域本发明涉及一种无线通信系统，更具体地说，本发明涉及一种在WLAN系统中访问信道的方法和装置。 根据本发明的一个实施例，用于从无线通信系统中的站（STA）访问信道的方法包括以下步骤：从接入点（AP）接收包括交通指示图（TIM ）和限制访问窗口（RAW）参数集组件; 基于RAW参数集（RPS）分量来确定允许STA的信道访问的RAW; 以及从所确定的RAW内的所述AP发送第二帧，其中所述RPS分量包括至少一个RAW分配字段，并且所述至少一个RAW分配字段中的每一个可以包括RAW组字段，RAW起始字段 ，和RAW持续时间字段。

公开(公告)号：US09510324B2

公开(公告)日：2016-11-29

申请号：US14373093

申请日：2013-01-18

Applicant: LG Electronics Inc.

Inventor： Wookbong Lee ,  Seunghee Han ,  Suhwook Kim ,  Yongho Seok ,  Jinsam Kwak ,  Jinyoung Chun ,  Jaehyung Song

IPC: H04W72/02 ,  H04W16/14 ,  H04W48/16 ,  H04W84/12

CPC classification number: H04W72/02 ,  H04W16/14 ,  H04W48/16 ,  H04W72/08 ,  H04W84/12

Abstract: Disclosed are a method for setting an operating channel in a white space band and a device therefor. Particularly, a method for enabling a first device to set an operating channel in a white space band comprises the steps of: acquiring information on an available TV channel from a geo-location database; and setting an operating channel on the basis of the information on the available TV channel, wherein a center frequency of the operating channel can be set differently according to a TV channel used by an incumbent device among TV channels adjacent to the TV channel on which the operating channel is set.

Abstract translation: 公开了一种用于设置白色空间频带中的操作信道的方法及其装置。 特别地，一种使第一设备能够在白色空间频段中设置操作信道的方法包括以下步骤：从地理位置数据库获取关于可用TV频道的信息; 并且根据可用TV频道上的信息来设置操作频道，其中可以根据现有设备在与TV频道相邻的TV频道中使用的TV频道不同地设置操作频道的中心频率，其中， 操作通道设置。

公开(公告)号：US09474058B2

公开(公告)日：2016-10-18

申请号：US13947277

申请日：2013-07-22

Applicant: LG ELECTRONICS INC.

Inventor： Eunsun Kim ,  Yongho Seok

IPC: H04W72/04 ,  H04W48/12 ,  H04W48/20 ,  H04W84/12

CPC classification number: H04W72/042 ,  H04W48/12 ,  H04W48/20 ,  H04W72/0406 ,  H04W84/12

Abstract: A method for operating channel request and responding to the operating channel request in a wireless local area network (WLAN) is disclosed. A method of operating channel request by a first station in a regulatory domain where an unlicensed device is permitted to operate at a given time in a given geographical area with regard to a licensed device in a wireless local area network (WLAN) comprises transmitting, to a second station, first frame including a first operating class field and a first channel number field, wherein the first operating class field indicates a number of an operating class of a first channel included in a first channel set for operating channel request and the first channel number field indicates a number of the first channel; and receiving, from the second station, second frame including a second operating class field and a second channel number field, wherein the second operating class field indicates a number of a operating class of a second channel included in a second channel set granted by the second station and the second channel number field indicates a number of the second channel.