公开(公告)号：US09999054B2

公开(公告)日：2018-06-12

申请号：US15060457

申请日：2016-03-03

Applicant: LG ELECTRONICS INC.

Inventor： Jeongki Kim ,  Kiseon Ryu ,  Wookbong Lee ,  Jinsoo Choi ,  Hangyu Cho

IPC: H04W72/04 ,  H04B7/0413 ,  H04L1/00 ,  H04L5/00 ,  H04L29/08 ,  H04W48/12 ,  H04W84/12

CPC classification number: H04W72/0453 ,  H04B7/0413 ,  H04L1/0057 ,  H04L5/0007 ,  H04L5/003 ,  H04L5/0053 ,  H04L69/323 ,  H04W48/12 ,  H04W72/042 ,  H04W84/12

Abstract: A method and apparatus for transmitting a multi-user or multi-Station (multi-STA) radio frame including control information in a Wireless Local Area Network (WLAN) system are disclosed. The method includes generating a frame including a signaling field and a data field, and transmitting the generated frame to the plurality of STAs. The signaling field includes a first signaling field (a SIG A field) including control information for frame interpretation and a second signaling field (a SIG B field) including control information individually for each of the plurality of STAs, the second signaling field includes a first block including common control information for the plurality of STAs, and a second block including control information for each of the plurality of STAs.

公开(公告)号：US09979452B2

公开(公告)日：2018-05-22

申请号：US15393117

申请日：2016-12-28

Applicant: LG ELECTRONICS INC.

Inventor： Sungjin Park ,  Jinmin Kim ,  Hangyu Cho ,  Kyungtae Jo

IPC: H04B7/06 ,  H04L1/00 ,  H04L5/00 ,  H04L27/00 ,  H04B7/0456 ,  H04B7/0452 ,  H04L27/26 ,  H04W72/04

CPC classification number: H04B7/0617 ,  H04B7/0452 ,  H04B7/0456 ,  H04B7/0632 ,  H04B7/0669 ,  H04B7/0695 ,  H04L1/0003 ,  H04L1/0009 ,  H04L5/0023 ,  H04L5/0073 ,  H04L27/0008 ,  H04L27/2602 ,  H04W72/0446

Abstract: The present disclosure relates to the operation and configuration of a station and an access point in a wireless LAN (WLAN) system, and more particularly, to a method for efficiently performing multi-user transmission by a station or an access point in a WLAN system and a device for the same. In particular, the present disclosure proposes a method and device for operating a station or an access point supporting multi-user transmission in a Frequency Division Multiple Access (FDMA) scheme or a Multi-User Multi Input Multi Output (MU-MIMO) scheme.

公开(公告)号：US09974075B2

公开(公告)日：2018-05-15

申请号：US15025995

申请日：2014-11-06

Applicant: LG Electronics Inc.

Inventor： Dongcheol Kim ,  Suhwook Kim ,  Hangyu Cho ,  Byungjoo Lee

IPC: H04W72/04 ,  H04W56/00 ,  H04L12/733 ,  H04W84/20

CPC classification number: H04W72/0446 ,  H04L45/20 ,  H04W56/0015 ,  H04W84/20

Abstract: One embodiment of the present invention relates to a method for a neighbor awareness networking (NAN) terminal to transceive a signal in a wireless communication system. To be specific, the present invention discloses a method for the NAN terminal to transceiver a signal in the wireless communication system, when the NAN terminal performs an anchor master selection procedure in a condition where there are a plurality of terminals operating as an anchor master in a cluster.

公开(公告)号：US09974053B2

公开(公告)日：2018-05-15

申请号：US15517110

申请日：2015-10-12

Applicant: LG ELECTRONICS INC.

Inventor： Jinsoo Choi ,  Hangyu Cho ,  Wookbong Lee

IPC: H04W4/00 ,  H04W72/04 ,  H04W84/12

CPC classification number: H04W72/04 ,  H04L5/0048 ,  H04W84/12

Abstract: Disclosed are a method and an apparatus for allocating wireless resource according to a resource allocation setting in a WLAN. The method for allocating wireless resources according to the resource allocation setting, in a WLAN, may comprise the steps of: an AP transmitting, to a plurality of STAs, resource allocation setting information; the AP allocating, to each of the plurality of STAs, each of the plurality of wireless resources in first resource units or second resource units, based on the resource allocation setting information; the AP transmitting to each of the plurality of STAs, through each of the plurality of wireless resources, each of a plurality of items of downlink data; and the AP receiving, from each of the plurality of STAs, channel feedback information for each of the plurality of wireless resources.

公开(公告)号：US09974016B2

公开(公告)日：2018-05-15

申请号：US15113398

申请日：2014-11-20

Applicant: LG ELECTRONICS INC.

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

IPC: G08C17/00 ,  H04W52/02 ,  H04W84/12

CPC classification number: H04W52/0216 ,  H04W52/0225 ,  H04W84/12 ,  Y02D70/00 ,  Y02D70/142 ,  Y02D70/22 ,  Y02D70/23

Abstract: A power save mode-based operation method and device in a wireless LAN are disclosed. The power save mode-based operation method and device in a wireless LAN can comprise the steps of: transmitting, by an STA, a first trigger frame to an AP in a first service interval; receiving, by the STA, a downlink frame transmitted by the AP on the basis of the first trigger frame in the first service interval; receiving, by the STA, traffic indication information from the AP in a second service interval after reception of the downlink frame; determining, by the STA, whether a pending downlink frame of the AP exists on the basis of the traffic indication information in the second service interval; and determining, by the STA, a mode for saving power on the basis of whether the pending downlink frame exists.

公开(公告)号：US09936529B2

公开(公告)日：2018-04-03

申请号：US14361468

申请日：2012-11-28

Applicant: LG ELECTRONICS INC.

Inventor： Dongguk Lim ,  Jiwoong Jang ,  Hangyu Cho ,  Jinsoo Choi

IPC: H04L12/403 ,  H04W76/02 ,  H04W74/06 ,  H04W8/00 ,  H04W8/24

CPC classification number: H04W76/14 ,  H04W8/005 ,  H04W8/24 ,  H04W74/06

Abstract: Disclosed are a method for performing or supporting D2D communication in a wireless communication system and an apparatus therefor. The method for enabling a D2D terminal to perform D2D communication according to the present invention comprises the steps of: receiving polling interval information allocated to transmit a polling signal for the D2D communication from a base station; and transmitting the polling signal to the base station within the allocated polling interval. The polling signal comprises an identifier of the D2D terminal, an identifier of a target D2D terminal selected through a search, and an indicator for indicating the execution of D2D communication.

公开(公告)号：US09913292B2

公开(公告)日：2018-03-06

申请号：US14651192

申请日：2013-12-11

Applicant: LG ELECTRONICS INC.

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

IPC: H04W74/04 ,  H04W84/12

CPC classification number: H04W74/04 ,  H04W84/12

Abstract: The present invention relates to a wireless communication system. More particularly, a method and a device for restricted access window-based channel access in a WLAN system are disclosed. The method whereby a station (STA) performs channel access in a wireless communication system according to one embodiment of the present invention may comprise the steps of: receiving restricted access window (RAW) cross-border transmission allowance (CBTA) information from an access point (AP) in case an RAW is allocated to the STA; and performing transmission by the STA on the basis of the RAW CBTA information. In case the RAW CBTA information is configured as a first value, transmission by the STA beyond the border of the RAW may be allowed.

公开(公告)号：US09912514B2

公开(公告)日：2018-03-06

申请号：US15524785

申请日：2015-11-27

Applicant: LG ELECTRONICS INC.

Inventor： Jinsoo Choi ,  Jinyoung Chun ,  Wookbong Lee ,  Dongguk Lim ,  Hangyu Cho ,  Eunsung Park

IPC: H04W4/00 ,  H04L27/26 ,  H04B7/0452 ,  H04B7/06 ,  H04W84/12

CPC classification number: H04L27/2675 ,  H04B7/0452 ,  H04B7/0697 ,  H04L5/0048 ,  H04L27/2613 ,  H04W84/12

Abstract: Disclosed are a method and a device for transmitting data based on different pilot tone patterns in a wireless LAN. The method for transmitting data based on the different pilot tone patterns in a wireless LAN may comprise the steps of: an AP transmitting, to a first STA, a first data field generated based on a first pilot tone pattern, from a first frequency bandwidth; and the AP transmitting, to a second STA, a second data field generated based on a second pilot tone pattern, from a second frequency bandwidth, wherein the size of the first frequency bandwidth is n times larger than the size of the second frequency bandwidth, the size of IFFT applied to the first data field and the size of IFFT applied to the second data field are identical, the first pilot tone pattern includes a plurality of first pilot tones, wherein the plurality of first pilot tones are respectively allocated to each of a plurality of first pilot tone indexes, the second pilot tone pattern includes a plurality of second pilot tones, wherein the plurality of second pilot tones are respectively allocated to each of a plurality of second pilot tone indexes, and wherein a portion of the first pilot tone indexes may be identical to the plurality of second pilot tone indexes.

公开(公告)号：US20180034595A1

公开(公告)日：2018-02-01

申请号：US15548698

申请日：2016-01-29

Applicant: LG Electronics Inc.

Inventor： Jeongki Kim ,  Kiseon Ryu ,  Hangyu Cho

IPC: H04L1/16 ,  H04L1/18 ,  H04L5/00

CPC classification number: H04L1/1671 ,  H04L1/1614 ,  H04L1/1685 ,  H04L1/1854 ,  H04L1/1896 ,  H04L5/0055 ,  H04W72/042 ,  H04W72/1278

Abstract: According to the present invention an AP transmits a trigger frame to a plurality of stations (STAs), and transmits an ACK/NACK signal for data received from the plurality of STAs when the data is received from the plurality of STAs in response to the trigger frame. At this time, an ACK policy value having a specific value is set in one or more STAs among the plurality of STAs, the AP transmits, through a multi-user block ACK (M-BA) frame, an ACK/NACK signal for STAs excluding the one or more STAs among the plurality of STAs, and the ACK/NACK signal for the one or more STAs is transmitted in response to a block ACK request message received from the one or more STAs.

公开(公告)号：US09871683B2

公开(公告)日：2018-01-16

申请号：US14785834

申请日：2014-05-07

Applicant: LG ELECTRONICS INC.

Inventor： Jinsoo Choi ,  Wookbong Lee ,  Hangyu Cho ,  Dongguk Lim ,  Jinyoung Chun

IPC: H04J3/06 ,  H04L27/26 ,  H04L5/00

CPC classification number: H04L27/2633 ,  H04L5/0007 ,  H04L27/2602 ,  H04L27/2613 ,  H04L27/2666

Abstract: A method and a device for transmitting a data unit are disclosed. A method for transmitting a PPDU can comprise the steps of: generating, by an STA, the PPDU including a first portion and a second portion; and transmitting, by the STA, the PPDU, wherein the first portion is generated by performing IFFT according to a first FFT size, the second portion is generated by performing IFFT according to a second FFT size, and the first FFT size can differ from the second FFT size.