公开(公告)号：US09843558B2

公开(公告)日：2017-12-12

申请号：US14435068

申请日：2013-10-07

Applicant: LG ELECTRONICS INC.

Inventor： Yongho Seok

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

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 managing a sequence number in a wireless LAN (WLAN) system includes: transmitting, by a first station (STA), a frame including a short MAC header to a second STA. One of a receiver address (RA) field and a transmitter address (TA) field contained in the short MAC header includes an associated identifier (AID) value according to whether a transmission direction of the frame is an uplink (UL) or downlink (DL) direction, and if the RA field includes the AID value, the sequence number for the frame is assigned based on a station (STA) MAC address identified by the AID value.

公开(公告)号：US09807792B2

公开(公告)日：2017-10-31

申请号：US14906525

申请日：2014-08-04

Applicant: LG ELECTRONICS INC.

Inventor： Jeongki Kim ,  Suhwook Kim ,  Yongho Seok ,  Hangyu Cho ,  Kiseon Ryu ,  Giwon Park

IPC: G08C17/00 ,  H04W74/00 ,  H04W28/18 ,  H04W52/02 ,  H04W76/04 ,  H04W84/12

CPC classification number: H04W74/006 ,  H04W28/18 ,  H04W52/0229 ,  H04W74/00 ,  H04W74/0816 ,  H04W76/27 ,  H04W84/12 ,  Y02D70/00 ,  Y02D70/142 ,  Y02D70/21 ,  Y02D70/22

Abstract: A method and an apparatus for accessing a channel are disclosed. The method of an STA accessing a channel may comprise the steps of: and STA that is operable in a power-saving mode switching from a sleep state to an active state during a beacon interval; the STA monitoring a channel access parameter frame after being switched to the active state; the STA receiving the channel access parameter frame from an AP, wherein the channel access parameter frame includes EDCA set determining information; and the STA accessing a channel using an EDCA parameter determined on the basis of the EDCA set determining information, wherein the channel access parameter frame can be transmitted at least once between beacon intervals.

公开(公告)号：US09743353B2

公开(公告)日：2017-08-22

申请号：US15264125

申请日：2016-09-13

Applicant: LG Electronics Inc.

Inventor： Jeongki Kim ,  Yongho Seok ,  Jinsam Kwak ,  Jinsoo Choi

IPC: H04L12/28 ,  H04W52/02 ,  H04W74/08 ,  H04W74/04 ,  H04W84/12

CPC classification number: H04W52/0225 ,  H04W52/0216 ,  H04W74/04 ,  H04W74/08 ,  H04W84/12 ,  Y02D70/1222 ,  Y02D70/1224 ,  Y02D70/1262 ,  Y02D70/1264 ,  Y02D70/142 ,  Y02D70/146 ,  Y02D70/168 ,  Y02D70/21 ,  Y02D70/22

Abstract: According to one embodiment of the present invention, a method for performing a channel access by a station (STA) in a wireless communication system comprises the steps of: transmitting a first frame for a channel access request to an access point (AP); and receiving a second frame, which is a response to the channel access request, from the AP, wherein the first frame includes information indicating whether or not uplink data of the STA is present.

公开(公告)号：US09730217B2

公开(公告)日：2017-08-08

申请号：US14377780

申请日：2013-02-12

Applicant: LG ELECTRONICS INC.

Inventor： Yongho Seok

IPC: H04J3/00 ,  H04W4/00 ,  H04W72/00 ,  H04W72/04 ,  H04L5/00 ,  H04W74/08 ,  H04W52/02 ,  H04W84/12

CPC classification number: H04W72/0446 ,  H04L5/0092 ,  H04W52/0216 ,  H04W74/0816 ,  H04W84/12 ,  Y02D70/1222 ,  Y02D70/1224 ,  Y02D70/1262 ,  Y02D70/1264 ,  Y02D70/142 ,  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. A method for accessing the channel from a station (STA) in the wireless communication system, according to one embodiment of the present invention, comprises the steps of: receiving from an access point (AP) setting information with respect to at least one slot allowing channel access by the STA; and beginning the channel access from a slot boundary of the at least one slot, wherein the channel access may begin without a clear channel assessment (CCA).

公开(公告)号：US20170164283A1

公开(公告)日：2017-06-08

申请号：US15435750

申请日：2017-02-17

Applicant: LG ELECTRONICS INC.

Inventor： Jinsoo Choi ,  Seunghee Han ,  Jinsam Kwak ,  Yongho Seok ,  Jeongki Kim

IPC: H04W52/02 ,  H04W28/02 ,  H04W74/00 ,  H04W4/00

CPC classification number: H04W52/0216 ,  H04W4/70 ,  H04W28/0221 ,  H04W74/006 ,  H04W74/0816 ,  H04W84/12 ,  Y02D70/1222 ,  Y02D70/1224 ,  Y02D70/1262 ,  Y02D70/1264 ,  Y02D70/142 ,  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. A method for accessing the channel from a station (STA) in the wireless communication system, according to one embodiment of the present invention, comprises a step of transmitting a power save-poll (PS-poll) for channel accessing from a listening interval to an access point, wherein the station operates in a non-traffic indication map (TIM) mode which is not limited by a TIM element that is transmitted from the access point, and wherein the time of transmission of the PS-poll is not limited by the TIM element.

公开(公告)号：US09674784B2

公开(公告)日：2017-06-06

申请号：US15237382

申请日：2016-08-15

Applicant: LG ELECTRONICS INC.

Inventor： Jeongki Kim ,  Yongho Seok ,  Jinsam Kwak ,  Jinsoo Choi

IPC: H04W52/02 ,  H04W74/06 ,  H04W74/00 ,  H04W84/12

CPC classification number: H04W52/0216 ,  H04W74/008 ,  H04W74/06 ,  H04W84/12 ,  Y02D70/1222 ,  Y02D70/1224 ,  Y02D70/1242 ,  Y02D70/1262 ,  Y02D70/1264 ,  Y02D70/142 ,  Y02D70/146 ,  Y02D70/168 ,  Y02D70/21 ,  Y02D70/22

Abstract: Disclosed is a method for a station (STA) for accessing a channel in a wireless communication system. The method for a STA for accessing a channel in a wireless communication system comprises the steps of: receiving a beacon frame comprising a traffic indicator map (TIM); and transmitting a power save (PS)-Poll frame if buffered traffic is indicated by TIM to the STA, wherein the PS-Poll frame is transmitted during a PS-Poll dedicated restricted access window (RAW) by and/or during an additional RAW, the PS-Poll dedicated RAW being allocated to transmit the PS-Poll frame, and the additional RAW being additionally allocated subsequent to the PS-Poll-dedicated RAW.

公开(公告)号：US09668125B2

公开(公告)日：2017-05-30

申请号：US14384635

申请日：2013-03-11

Applicant: LG ELECTRONICS INC.

Inventor： Yongho Seok

IPC: H04W8/26 ,  H04W72/04 ,  H04W76/02 ,  H04W84/12

CPC classification number: H04W8/26 ,  H04W72/0406 ,  H04W76/14 ,  H04W84/12

Abstract: The present invention relates to a wireless communication system, and more particularly, to a method and apparatus for performing MAC header compression in a wireless communication system. In a wireless communication system according to an embodiment of the present invention, a station STA may: receive information on assigning a plurality of association identifiers (AIDs) to the station STA from an access point (AP); receive, from the AP, a first frame including a medium access control (MAC) header that includes an address field set to one of the plurality of AIDs; and assign each of the plurality of AIDs by flow for the station STA.

公开(公告)号：US09615286B2

公开(公告)日：2017-04-04

申请号：US14389953

申请日：2013-04-02

Applicant: LG Electronics Inc.

Inventor： Jinsoo Choi ,  Seunghee Han ,  Jinsam Kwak ,  Yongho Seok ,  Jeongki Kim

IPC: H04W28/02 ,  H04W52/02 ,  H04W4/00 ,  H04W74/08 ,  H04W84/12 ,  H04W74/00

CPC classification number: H04W52/0216 ,  H04W4/70 ,  H04W28/0221 ,  H04W74/006 ,  H04W74/0816 ,  H04W84/12 ,  Y02D70/1222 ,  Y02D70/1224 ,  Y02D70/1262 ,  Y02D70/1264 ,  Y02D70/142 ,  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. A method for accessing the channel from a station (STA) in the wireless communication system, according to one embodiment of the present invention, comprises a step of transmitting a power save-poll (PS-poll) for channel accessing from a listening interval to an access point, wherein the station operates in a non-traffic indication map (TIM) mode which is not limited by a TIM element that is transmitted from the access point, and wherein the time of transmission of the PS-poll is not limited by the TIM element.

公开(公告)号：US09585165B2

公开(公告)日：2017-02-28

申请号：US14414342

申请日：2013-07-15

Applicant: LG ELECTRONICS INC.

Inventor： Yongho Seok

IPC: H04W84/08 ,  H04W74/00 ,  H04W74/08 ,  H04W84/12

CPC classification number: H04W74/002 ,  H04W74/08 ,  H04W84/12

Abstract: The present invention relates to a wireless communication system, and more specifically, disclosed are a method and an apparatus using a null data packet frame in a wireless LAN system. A method for a first station (STA) receiving a null data packet (NDP) type frame in the wireless communication system, according to one embodiment of the present invention, comprises the steps of: receiving from a second STA the NDP type frame including a specific frame transmission point offset field; and determining whether to perform an action triggered by the NDP type frame by comparing a value of the specific frame transmission point offset field, and the difference in values of the transmission point of the specific frame and the transmission point of the NDP type frame.

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，在无线LAN系统中公开了使用空数据分组帧的方法和装置。 根据本发明的一个实施例的在无线通信系统中接收空数据分组（NDP）类型帧的第一站（STA）的方法包括以下步骤：从第二STA接收NDP类型帧，包括 特定帧传输点偏移场; 以及通过比较特定帧发送点偏移字段的值和NDP类型帧的特定帧和发送点的发送点的值的差异来确定是否执行由NDP类型帧触发的动作。

公开(公告)号：US09585057B2

公开(公告)日：2017-02-28

申请号：US14397686

申请日：2013-04-24

Applicant: LG Electronics Inc.

Inventor： Yongho Seok ,  Seunghee Han

IPC: H04W28/06 ,  H04W76/02 ,  H04L5/00 ,  H04W84/12

CPC classification number: H04W28/06 ,  H04L5/0044 ,  H04W4/70 ,  H04W48/08 ,  H04W76/11 ,  H04W84/12

Abstract: A method and apparatus for transmitting and receiving a frame including a partial association ID (PAID) in a wireless LAN (WLAN) system are disclosed. A method for receiving a frame at a station (STA) from an access point (AP) of a wireless communication system including: determining whether a value of a partial association ID (Partial AID) of the frame is calculated on the basis of an association ID (AID) allocated to the STA by the AP and a basic service set ID (BSSID) of the AP; and decoding the frame, if the value of the partial AID of the frame is calculated on the basis of the AID allocated to the STA and the BSSID of the AP, wherein the AID is allocated such that the partial AID value calculated on the basis of the AID allocated to the STA and the BSSID of the AP is not identical to a first PAID value calculated by applying a modulo operation to a specific value obtained by converting values ranging from a 40th bit position to a 48th bit position from among 48 bit positions of the BSSID of the AP into a decimal number.

Abstract translation: 公开了一种用于在无线LAN（WLAN）系统中发送和接收包括部分关联ID（PAID）的帧的方法和装置。 一种用于从无线通信系统的接入点（AP）在站（STA）处接收帧的方法，包括：基于关联来确定帧的部分关联ID（部分AID）的值是否被计算 由AP分配给STA的ID（AID）和AP的基本业务集ID（BSSID）; 并且如果根据分配给STA的AID和AP的BSSID来计算帧的部分AID的值，其中分配AID，使得基于 分配给STA的AID和AP的BSSID不同于通过对从48位位置转换从第40位位置到第48位位置的值转换得到的特定值而计算的第一PAID值 的APID的BSSID为十进制数。