公开(公告)号：US20180331795A1

公开(公告)日：2018-11-15

申请号：US16030744

申请日：2018-07-09

Applicant: LG ELECTRONICS INC.

Inventor： Jinyoung CHUN ,  Kiseon RYU ,  Wookbong LEE ,  Jinsoo CHOI ,  Dongguk LIM ,  Hangyu CHO ,  Suhwook KIM

IPC: H04L5/00 ,  H04W84/12 ,  H04B7/0417 ,  H04B7/0452

CPC classification number: H04L5/005 ,  H04B7/0417 ,  H04B7/0452 ,  H04L5/001 ,  H04W84/12

Abstract: A method and apparatus for transmitting a frame on the basis of a sounding procedure is disclosed. The method for transmitting the frame on the basis of a sounding procedure in a wireless LAN may comprise the steps of: transmitting an NDPA frame to each of multiple STAs by an AP wherein the NDPA frame notifies of the transmission of NDP; transmitting the NDP to each of the multiple STAs by the AP; receiving, by the AP, multiple feedback frames transmitted through multiple transmission sources allocated to the multiple STAs in time sources overlapped by the multiple STAs, respectively; and transmitting, by the AP, multiple downlink frames to the multiple STAs respectively.

公开(公告)号：US20180262315A1

公开(公告)日：2018-09-13

申请号：US15762084

申请日：2016-10-06

Applicant: LG ELECTRONICS INC.

Inventor： Jinyoung CHUN ,  Kiseon RYU ,  Hangyu CHO

IPC: H04L5/00

CPC classification number: H04L5/0055 ,  H04L1/1685 ,  H04L5/00 ,  H04W84/12 ,  H04W88/08

Abstract: The present document relates to a method and device for an Access Point (AP) to transmit ACK/NACK signals for MU (Multi-User) transmission data of a plurality of stations (STA) in a wireless LAN (WLAN) system. To this end, the method and device are characterized in that a STA responds to a trigger frame received from an AP, transmits data to the AP through an MU access technique, and sets an ACK policy value for data transmitted on the basis of the trigger frame to another value other than a first ACK policy value requesting an ACK signal transmission on the basis of a block ACK request.

公开(公告)号：US20180115451A1

公开(公告)日：2018-04-26

申请号：US15840539

申请日：2017-12-13

Applicant: LG ELECTRONICS INC.

Inventor： Jinsoo CHOI ,  Wookbong LEE ,  Hangyu CHO ,  Dongguk LIM ,  Jinyoung CHUN

IPC: 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.

公开(公告)号：US20170373908A1

公开(公告)日：2017-12-28

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: 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：US20170338910A1

公开(公告)日：2017-11-23

申请号：US15522756

申请日：2015-10-27

Applicant: LG ELECTRONICS INC.

Inventor： Jinyoung CHUN ,  Kiseon RYU ,  Hangyu CHO

IPC: H04L1/16 ,  H04W72/04 ,  H04W84/12

CPC classification number: H04L1/16 ,  H04L1/00 ,  H04L1/1671 ,  H04W72/0413 ,  H04W84/12

Abstract: A method for performing an uplink (UL) multi-user (MU) transmitting performed by a station (STA) apparatus in a Wireless LAN (WLAN) system according to an embodiment of the present invention may include receiving a downlink (DL) MU frame; generating a UL MU Acknowledge (ACK) frame; and UL MU transmitting the UL MU ACK frame, wherein the UL MU ACK frame includes a legacy preamble, a high efficiency (HE) preamble and an Acknowledge (ACK) field, and is UL MU transmitted by being constructed as a null data packet (NDP) frame format that does not include a data field.

公开(公告)号：US20170279570A1

公开(公告)日：2017-09-28

申请号：US15505906

申请日：2015-08-21

Applicant: LG ELECTRONICS INC.

Inventor： Jeongki KIM ,  Jinyoung CHUN ,  Hangyu CHO ,  Jinsoo CHOI ,  Kiseon RYU

IPC: H04L5/00 ,  H04W74/00 ,  H04J11/00

CPC classification number: H04L5/0007 ,  H04J11/005 ,  H04L5/0037 ,  H04L5/0094 ,  H04L5/0096 ,  H04W74/006 ,  H04W84/12

Abstract: The present document relates to a wireless communication system and, more particularly, to a method for performing efficient signaling for a reserved sub-band in a wireless LAN system, and a method and an apparatus for signal transmission using the same. To this end, an STA provides resource allocation information for transmitting data to a plurality of STAs using an orthogonal frequency divisional multiple access (OFDMA) or multiple user MIMO (MU-MIMO) method; transmits the resource allocation information to the plurality of STAs; and transmits data to the plurality of STAs according to the resource allocation information. The entire frequency band may include a sub-band which is not used for the data transmission, and it is preferable that the resource allocation information includes a resource allocation bitmap having a form common to the plurality of STAs and indication information which informs a sub-band, from among the entire frequency band, which is not used for the data transmission.

公开(公告)号：US20170223770A1

公开(公告)日：2017-08-03

申请号：US15515123

申请日：2015-04-08

Applicant: LG ELECTRONICS INC.

Inventor： Dongguk LIM ,  Wookbong LEE ,  Jinyoung CHUN ,  Jinsoo CHOI ,  Hangyu CHO ,  Eunsung PARK

IPC: H04W88/06 ,  H04L5/00 ,  H04W74/00 ,  H04L27/26 ,  H04W48/10 ,  H04W48/12 ,  H04W84/12 ,  H04W84/04

CPC classification number: H04W88/06 ,  H04L5/0007 ,  H04L5/0053 ,  H04L5/0094 ,  H04L27/26 ,  H04L27/2613 ,  H04W48/10 ,  H04W48/12 ,  H04W74/004 ,  H04W74/006 ,  H04W84/045 ,  H04W84/12

Abstract: The present document relates to a wireless communication system and, more particularly, to a method for transmitting a frame in a high-density wireless LAN system, and a station device for performing the method. To this end, a station for transmitting a frame is comprised of a radio frame for a second type station comprising a frame portion for a first type station and a frame portion for the second type station, wherein the frame portion for the first type station comprises a first OFDM symbol for transmitting a signaling field (L-SIG) for the first type station, and the frame portion for the second type station comprises one or more second OFDM symbols for transmitting a signaling field (HE-SIG) for the second type station. Additionally, the radio frame for the second type station further comprises one or more third OFDM symbols for transmitting the L-SIG and the HE-SIG repeatedly.

公开(公告)号：US20170127451A1

公开(公告)日：2017-05-04

申请号：US15317089

申请日：2015-04-27

Applicant: LG ELECTRONICS INC.

Inventor： Jinyoung CHUN ,  Wookbong LEE ,  Jinsoo CHOI ,  Dongguk LIM ,  Hangyu CHO

IPC: H04W74/08 ,  H04J4/00 ,  H04J13/18 ,  H04W72/12 ,  H04W72/04

CPC classification number: H04W74/0825 ,  H04J4/00 ,  H04J13/18 ,  H04W72/0446 ,  H04W72/0453 ,  H04W72/1284 ,  H04W74/0816 ,  H04W84/12

Abstract: Disclosed are a method and a device for receiving a frame in a wireless LAN. A method for receiving a frame in a wireless LAN comprises the steps of: an AP transmitting an RTS frame to a plurality of STAs, wherein the RTS frame comprises information for NAV setting of an STA other than the plurality of STAs; the AP receiving from each of the plurality of STAs, as a response to the RTS frame, a CTS PPDU and an additional CTS PPDU on overlapped time resources; and the AP transmitting an uplink transmission indication frame to the plurality of STAs, wherein the uplink transmission indication frame triggers transmission of an uplink frame of each of the plurality of STAs.

公开(公告)号：US20170079022A1

公开(公告)日：2017-03-16

申请号：US15364168

申请日：2016-11-29

Applicant: LG ELECTRONICS INC.

Inventor： Kitae KIM ,  Jinyoung CHUN ,  Sunam KIM ,  Jiwon KANG ,  Binchul IHM ,  Sungho PARK

IPC: H04W72/04 ,  H04L5/00

CPC classification number: H04W72/042 ,  H04L5/0007 ,  H04L5/0037 ,  H04L5/0048 ,  H04L5/0053 ,  H04W72/12

Abstract: In a wireless communication system, when a terminal receives control information from a downlink subframe, which is divided into a Physical Downlink Control Channel (PDCCH) region and a Physical Downlink Shared Channel (PDSCH) region, in a wireless communication system, the receiving of the control information includes: receiving, from a base station, first CFI information indicating the number of Orthogonal Frequency Division Multiplexing (OFDM) symbols available for Physical Downlink Control Channel (PDCCH) transmission; receiving, from the base station, second CFI information indicating start OFDM symbol information available for Physical Downlink Shared Channel (PDSCH) transmission corresponding to an enhanced Physical Downlink Control Channel (E-PDCCH); and receiving the PDSCH from the base station on the basis of the first CFI information or the second CFI information. The PDCCH is placed in the PDCCH region of the downlink subframe, and the E-PDCCH is placed in the PDSCH region of the downlink subframe.

Abstract translation: 在无线通信系统中，当终端从无线通信系统中被分割为物理下行链路控制信道（PDCCH）区域和物理下行链路共享信道（PDSCH）区域的下行链路子帧接收到控制信息时， 控制信息包括：从基站接收指示可用于物理下行链路控制信道（PDCCH）传输的正交频分复用（OFDM）符号的数量的第一CFI信息; 从基站接收指示对应于增强物理下行链路控制信道（E-PDCCH）的物理下行链路共享信道（PDSCH）传输可用的起始OFDM符号信息的第二CFI信息; 以及基于第一CFI信息或第二CFI信息从基站接收PDSCH。 PDCCH被配置在下行链路子帧的PDCCH区域，E-PDCCH被配置在下行子帧的PDSCH区域中。

公开(公告)号：US20160278081A1

公开(公告)日：2016-09-22

申请号：US15034826

申请日：2014-10-21

Applicant: LG ELECTRONICS INC.

Inventor： Jinyoung CHUN ,  Wookbong LEE ,  Jinsoo CHOI ,  Dongguk LIM ,  Hangyu CHO

IPC: H04W72/04 ,  H04W74/08

CPC classification number: H04W72/0446 ,  H04L5/0007 ,  H04L5/001 ,  H04L5/0048 ,  H04L5/0053 ,  H04L5/0094 ,  H04W56/0005 ,  H04W72/0413 ,  H04W72/1268 ,  H04W72/1289 ,  H04W74/08 ,  H04W84/12

Abstract: A method and a device for transmitting a multiuser uplink in the wireless LAN are disclosed. A method for receiving each uplink frame from a plurality of STAs in the wireless LAN can comprise the steps of: transmitting, by an AP, a downlink PPDU to the plurality of STAs on an overlapping time resource; and receiving, by the AP, each uplink frame from each of the plurality of STAs on an overlapping time resource through each uplink transmission resource with respect to each of the plurality of STAs, as the response to the downlink PPDU.

Abstract translation: 公开了一种在无线LAN中发送多用户上行链路的方法和装置。 一种用于从无线LAN中的多个STA接收每个上行链路帧的方法可以包括以下步骤：在重叠的时间资源上由AP向所述多个STA发送下行链路PPDU; 以及由所述AP接收来自所述多个STA中的每一个的重叠时间资源中的每一个的每个上行链路帧，作为对所述下行链路PPDU的响应的每个上行链路传输资源。