公开(公告)号：US11096157B2

公开(公告)日：2021-08-17

申请号：US16518601

申请日：2019-07-22

Applicant: LG ELECTRONICS INC.

Inventor： Jinyoung Chun ,  Kiseon Ryu ,  Jeongki Kim ,  Jinsoo Choi ,  Dongguk Lim ,  Hangyu Cho ,  Jinmin Kim ,  Eunsung Park

IPC: H04W72/04 ,  H04L1/00 ,  H04W84/12 ,  H04W4/70 ,  H04L1/06 ,  H04W28/10 ,  H04L5/00 ,  H04W72/08 ,  H04B7/06 ,  H04W88/08

Abstract: Disclosed herein is an operating method of a station (STA) in a wireless LAN (WLAN) system. The method includes receiving a downlink (DL) physical protocol data unit (PPDU) and sending an uplink (UL) PPDU as a response to the DL PPDU. The DL PPDU may include at least one MAC protocol data unit (MPDU) and the at least one MPDU may include a first high efficiency (HE) control field. The UL PPDU may include at least one MAC protocol data unit (MPDU) and the at least one MPDU may include a second high efficiency (HE) control field. The each of the first and second HE control fields corresponds to an HT control field and comprises a plurality of aggregated HE control subfield. The HT control field includes VHT subfield value set to “1” and HE subfield value set to “1”.

公开(公告)号：US11064523B2

公开(公告)日：2021-07-13

申请号：US16738874

申请日：2020-01-09

Applicant: LG ELECTRONICS INC.

Inventor： Jinmin Kim ,  Kiseon Ryu

IPC: H04W74/08 ,  H04W74/06 ,  H04W48/16 ,  H04W84/12

Abstract: In an embodiment of the present invention, a method for indicating, by an access point (AP) associated with a first basic service set (BSS), spatial reuse (SR) in a wireless LAN (WLAN) system includes transmitting a trigger frame which requests uplink multi-user (UL MU) transmission of a plurality of stations (STAs) and receiving an UL MU physical protocol data unit (PPDU) generated based on the trigger frame from the plurality of STAs. The trigger frame may include SR indication information for indicating the SR of an overlapping BSS (OBSS) STA. The first high efficiency (HE)-signal (SIG) A field of the UL MU PPDU may include SR support information generated based on the SR indication information.

公开(公告)号：US10985817B2

公开(公告)日：2021-04-20

申请号：US16303606

申请日：2017-03-31

Applicant: LG ELECTRONICS INC.

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

IPC: H04L1/02 ,  H04B7/06 ,  H04B7/0491

Abstract: A method for beamforming training and a device using the same are provided. A station (STA) receives a beacon frame from an access point (AP) during a beacon transmission interval (BTI). The beacon frame includes information on a sector sweep (SSW) frame type used in at least one of a plurality of SSW slots. During association beamforming training (A-BFT), the STA transmits the SSW frame according to the SSW frame type from an SSW slot, among a plurality of SSW slots, having succeeded in a random backoff.

公开(公告)号：US10972222B2

公开(公告)日：2021-04-06

申请号：US16799572

申请日：2020-02-24

Applicant: LG ELECTRONICS INC.

Inventor： Sunwoong Yun ,  Jinmin Kim ,  Sungjin Park ,  Jinsoo Choi

IPC: H04L1/06 ,  H04L27/20 ,  H04L5/00 ,  H04W88/08 ,  H04L27/26 ,  H04L1/00 ,  H04W84/12

Abstract: A method of transmitting and receiving signals in a wireless local area network (WLAN) system and a device for the same are provided. More particularly, there are provided a method and a device for the same in which a station operating in an orthogonal frequency division multiplexing (OFDM) mode transmits and receives signals through two aggregated channels.

公开(公告)号：US10694412B2

公开(公告)日：2020-06-23

申请号：US16332339

申请日：2018-11-26

Applicant: LG ELECTRONICS INC.

Inventor： Sungjin Park ,  Jinmin Kim ,  Sunwoong Yun ,  Jinsoo Choi

IPC: H04W24/08 ,  H04W84/12

Abstract: The present specification discloses a method for transmitting and receiving channel measurement information in a wireless local area network (WLAN) system and a device for the same. More specifically, the present specification describes a method for transmitting and receiving channel measurement information to support a time division duplex (TDD) scheduling scheme, which is a method for transmitting and receiving channel measurement information based on channel measurement per time unit different from that in a conventional method, and a device for the same.

公开(公告)号：US10693603B2

公开(公告)日：2020-06-23

申请号：US15699224

申请日：2017-09-08

Applicant: LG ELECTRONICS INC.

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

IPC: H04L5/00 ,  H04B7/06 ,  H04B7/08 ,  H04W84/12 ,  H04W16/28

Abstract: The present specification proposes a method for a station to transmit and receive a signal in a wireless LAN (WLAN) system and an apparatus therefor. More specifically, when the station transmits and receives a signal via a plurality of channels, the present invention proposes a method of performing beamforming training on the plurality of channels, a method of transmitting and receiving a signal based on the beamforming training and an apparatus therefor.

公开(公告)号：US10680683B2

公开(公告)日：2020-06-09

申请号：US16476518

申请日：2019-04-02

Applicant: LG ELECTRONICS INC.

Inventor： Sunwoong Yun ,  Jinmin Kim ,  Sungjin Park ,  Jinsoo Choi

IPC: H04B7/0417 ,  H04B7/06 ,  H04B7/0452 ,  H04W84/12

Abstract: Proposed are a method and apparatus for transmitting a feedback frame in a wireless local area network (WLAN) system. Specifically, a first STA generates the feedback frame based on multi user (MU)-multi input multi output (MIMO) beamforming. The first STA transmits the feedback frame to a second STA. The feedback frame includes information related to a feedback subcarrier for a predetermined frequency band and a beamforming report field for the MU-MIMO beamforming. The feedback subcarrier includes a first subcarrier transmitted first in the feedback subcarrier and a second subcarrier of which a subcarrier index is determined based on a grouping value related to a subcarrier spacing. The beamforming report field includes a first signal to noise ratio (SNR) for the first subcarrier and a first differential SNR for the second subcarrier. The first differential SNR is an SNR difference between adjacent subcarriers included in the feedback subcarrier.

公开(公告)号：US10575333B2

公开(公告)日：2020-02-25

申请号：US16317808

申请日：2017-07-14

Applicant: LG ELECTRONICS INC.

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

IPC: H04L12/28 ,  H04W74/08 ,  H04W84/12 ,  H04W72/04 ,  H04J1/16

Abstract: The present specification relates to a method for transmitting or receiving data by a station in a wireless LAN (WLAN) system and, more particularly, presents a method and device for transmitting or receiving data on the basis of a beamforming training method for a plurality of channels, when a station transmits the data by using the plurality of channels.

公开(公告)号：US10536932B2

公开(公告)日：2020-01-14

申请号：US15241010

申请日：2016-08-18

Applicant: LG ELECTRONICS INC.

Inventor： Jinyoung Chun ,  Kiseon Ryu ,  Jeongki Kim ,  Jinsoo Choi ,  Dongguk Lim ,  Hangyu Cho ,  Jinmin Kim ,  Eunsung Park

IPC: H04B7/06 ,  H04L1/00 ,  H04L1/06 ,  H04L5/00 ,  H04W4/70 ,  H04W28/10 ,  H04W72/04 ,  H04W72/08 ,  H04W84/12 ,  H04W88/08

Abstract: Disclosed herein is an operating method of a station (STA) in a wireless LAN (WLAN) system. The method includes receiving a downlink (DL) physical protocol data unit (PPDU) and sending an uplink (UL) PPDU as a response to the DL PPDU. The DL PPDU may include at least one MAC protocol data unit (MPDU) and the at least one MPDU may include a first high efficiency (HE) control field. The UL PPDU may include at least one MAC protocol data unit (MPDU) and the at least one MPDU may include a second high efficiency (HE) control field. The each of the first and second HE control fields corresponds to an HT control field and comprises a plurality of aggregated HE control subfield. The HT control field includes VHT subfield value set to “1” and HE subfield value set to “1”.

公开(公告)号：US10524180B2

公开(公告)日：2019-12-31

申请号：US15302574

申请日：2015-02-24

Applicant: LG ELECTRONICS INC.

Inventor： Genebeck Hahn ,  Jaehoon Chung ,  Eunjong Lee ,  Jinmin Kim ,  Kukheon Choi ,  Kwangseok Noh

IPC: H04W36/30 ,  H04W48/12 ,  H04W36/24 ,  H04W36/08 ,  H04W84/00 ,  H04W88/02 ,  H04W88/08 ,  H04W36/00

Abstract: Disclosed is a method for a 1st moving cell base station to control a handover in a wireless communication system supportive of a moving cell. The present invention includes performing measurement on signals of at least one or more neighbor base stations and determining whether to make a handover based on a result of the measurement. Moreover, the 1st moving cell base station controls the handover not to be made into a 2nd moving cell among the at least one or more neighbor base stations using information on a moving cell dedicated cell ID.