公开(公告)号：US10979267B2

公开(公告)日：2021-04-13

申请号：US16590181

申请日：2019-10-01

Applicant: LG ELECTRONICS INC.

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

IPC: H04L27/26 ,  H04W84/12

Abstract: Disclosed is a method for transmitting a preamble in a wireless LAN system, and a station device for performing the same. To this end, a station for transmitting a preamble configures a wireless frame including a first type terminal frame portion, and a second type terminal frame portion. The first type terminal frame portion includes a first type terminal preamble including a first type terminal short training field (STF) and a first type terminal long training field (LTF), and the second type terminal frame portion includes a second type terminal preamble including a second type terminal SFT and a second type terminal LTF. Here, the station configures the second type terminal preamble by allocating sequence components at an interval of an integer number of tones in a frequency domain and transmits the configured wireless frame to another station.

公开(公告)号：US10785772B2

公开(公告)日：2020-09-22

申请号：US15505521

申请日：2015-08-21

Applicant: LG ELECTRONICS INC.

Inventor： Jinyoung Chun ,  Kiseon Ryu ,  Wookbong Lee ,  Jinsoo Choi ,  Hangyu Cho

IPC: H04W72/04 ,  H04L27/26 ,  H04L5/00 ,  H04L1/16 ,  H04L1/00 ,  H04W84/12

Abstract: Disclosed are an uplink transmission method in a wireless communication system and an apparatus therefor. In detail, the method for a uplink (UL) multi-user (MU) transmission by a station (STA) in a wireless communication system includes receiving a trigger frame including frequency resource allocation information in a subband unit for orthogonal frequency division multiple access (OFDMA) transmission from an access point (AP), and transmitting a UL MU PPDU based on the frequency resource allocation information, wherein the UL MU PPDU includes a high efficiency-short training field (HE-STF), a high-efficiency-long training field (HE-LTF), and a data field, and the HE-STF, the HE-LTF, and the data field are transmitted in a subband indicated by the frequency resource allocation information.

公开(公告)号：US10667271B2

公开(公告)日：2020-05-26

申请号：US16292849

申请日：2019-03-05

Applicant: LG ELECTRONICS INC.

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

IPC: H04W4/00 ,  H04W72/04 ,  H04L1/00 ,  H04L27/26 ,  H04L5/00 ,  H04W84/12

Abstract: The present invention relates to a method for transmitting a frame in a wireless communication system, in particular, a high density wireless LAN system, and a station apparatus for performing the same. To this end, a station for transmitting a frame configures a radio frame for a second type station, including a frame part for a first type station and a frame part for the second type station, wherein the frame part for the second type station includes a first signaling field (SIG A) for the second type station and a second signaling field (SIG B) for the second type station. The SIG A for the second type station includes modulation and coding scheme (MCS) information applied to the SIG B for the second type station, and the MCS level applied to the SIG B for the second type station supports an MCS having level than the lowest MCS level defined for the first type station.

公开(公告)号：US10575314B2

公开(公告)日：2020-02-25

申请号：US15769323

申请日：2016-10-20

Applicant: LG ELECTRONICS INC.

Inventor： Hyunhee Park ,  Kiseon Ryu ,  Jinyoung Chun ,  Jeongki Kim ,  Hangyu Cho ,  Suhwook Kim

IPC: H04W72/08 ,  H04W74/08 ,  H04W84/12

Abstract: According to one embodiment of the present specification, a method for transmitting a trigger frame for requesting uplink data to be received through an wireless resource individually configured in an overlapped time duration from a plurality of terminals in a wireless LAN system, comprises: a step for receiving, by an access point, a first buffer state frame from a first terminal, wherein the first buffer state frame includes first QoS information of first uplink data; a step for receiving, by the access point, a second buffer state frame from a second terminal, wherein the second buffer state frame includes second QoS information of second uplink data; a step for determining, by the access point, a first primary AC for a trigger frame on the basis of the first QoS information and the second QoS information, wherein the access point includes a plurality of AP buffers for downlink data to be transmitted to a plurality of terminals; and a step for transmitting, by the access point, the trigger frame through the downlink buffer corresponding to the determined first primary AC among the plurality of AP buffers.

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：US10356760B2

公开(公告)日：2019-07-16

申请号：US15503687

申请日：2014-12-12

Applicant: LG ELECTRONICS INC.

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

IPC: H04W84/12 ,  H04W72/04 ,  H04W88/08 ,  H04W48/16 ,  H04L5/00 ,  H04W74/08 ,  H04L27/26

Abstract: Provided is a method and apparatus for performing active scanning in a wireless communication system. The method for performing active scanning in a wireless communication system may comprise the steps of: receiving, from an access point (AP) by a station (STA), a trigger frame including information on a probing duration which allows transmission of a probe request; and transmitting a probe request frame to the AP during the probing duration by the STA.

公开(公告)号：US10305552B2

公开(公告)日：2019-05-28

申请号：US15773144

申请日：2016-11-25

Applicant: LG ELECTRONICS INC.

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

IPC: H04B7/0452 ,  H04L27/26 ,  H04L25/02 ,  H04L5/00 ,  H04W72/04 ,  H04W84/12

Abstract: Provided are a method and a device for transmitting a feedback frame in a wireless LAN system. Particularly, a first wireless station receives, from a second wireless station, a feedback request field including an LTF. The first wireless station configures feedback information on a wireless channel corresponding to a preset frequency band by using the feedback request field. The first wireless station transmits the feedback information to the second wireless station.

公开(公告)号：US10251085B2

公开(公告)日：2019-04-02

申请号：US15534154

申请日：2015-08-07

Applicant: LG ELECTRONICS INC.

Inventor： Suhwook Kim ,  Kiseon Ryu ,  Jinyoung Chun ,  Jeongki Kim ,  Hangyu Cho

IPC: H04W28/04 ,  H04W28/06 ,  H04L1/00 ,  H04L29/06

Abstract: A method and device for transmitting a frame including error check bits for a header in a wireless LAN are disclosed. The method for transmitting a frame in a wireless LAN can comprise the steps of: generating, by an STA, a frame to be transmitted to an AP; and transmitting, by the STA, the frame to the AP, wherein the frame is an A-MPDU, the A-MPDU includes an A-MPDU header subframe and an A-MPDU subframe, the A-MPDU header subframe includes a first MPDU, the A-MPDU subframe includes a second MPDU, the first MPDU, as an MPDU, includes a first MAC header, expect for a MAC body, and the second MPDU, as an MPDU, can include the MAC body and a second MAC header.

公开(公告)号：US10165596B2

公开(公告)日：2018-12-25

申请号：US15117392

申请日：2015-01-02

Applicant: LG ELECTRONICS INC.

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

IPC: H04W74/08 ,  H04W52/58 ,  H04L12/26 ,  H04W40/00 ,  H04W52/54 ,  H04W84/12

Abstract: Disclosed is a method and an apparatus for transmitting a frame in a wireless local area network. A method for transmitting a frame in a wireless local area network may comprise the steps of: an STA, operating on the basis of TPC, transmitting a TPC configuration request frame to an AP, the TPC configuration request frame containing information for a TPC STA communication resource requested by the STA; the STA receiving, from the AP, a TPC configuration response frame as a response to the TPC configuration request frame, the TPC configuration response frame containing information for allocating requested TPC STA communication resource; and the STA transmitting the frame to the AP by means of the requested TPC STA communication resource.

公开(公告)号：US10034288B2

公开(公告)日：2018-07-24

申请号：US15123415

申请日：2015-02-16

Applicant: LG ELECTRONICS INC.

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

IPC: H04W72/04 ,  H04W52/14 ,  H04W52/24 ,  H04W52/36 ,  H04W52/58 ,  H04W74/04 ,  H04W84/12

Abstract: A method and an apparatus for transmitting a frame in a wireless LAN are disclosed. The method for transmitting a frame in a wireless LAN comprises: by an STA, receiving an uplink transmission instruction frame from an AP; and by the STA, transmitting, to the AP, a first uplink frame as a response to the uplink transmission instruction frame, wherein the uplink transmission instruction frame instructs transmission of the first uplink frame and a second uplink frame on overlapping time resources, the first uplink frame is transmitted at a transmission timing determined on the basis of UIFS, and the UIFS may be a fixed value.