公开(公告)号：US20170272138A1

公开(公告)日：2017-09-21

申请号：US15505561

申请日：2015-08-24

Applicant: LG ELECTRONICS INC.

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

IPC: H04B7/06 ,  H04L1/06 ,  H04W74/00 ,  H04B7/0452 ,  H04L29/08

CPC classification number: H04B7/0613 ,  H04B7/0452 ,  H04B7/063 ,  H04B7/0669 ,  H04B7/0695 ,  H04L1/0031 ,  H04L1/0083 ,  H04L1/0643 ,  H04L1/1614 ,  H04L1/1685 ,  H04L29/08 ,  H04L69/323 ,  H04W72/042 ,  H04W74/006

Abstract: In the present invention, disclosed is a method for uplink multi-user transmission in a wireless communication system and an apparatus therefor. Specifically, a method for performing, by a station (STA), uplink (UL) multi-user (MU) transmission in a wireless communication system comprises the steps of: receiving, from an access point (AP), a trigger frame including information for UL MU transmission; and transmitting an UL MU PPDU on the basis of the information for UL MU transmission, wherein the trigger frame is a medium access control (MAC) frame, a MAC header of the trigger frame includes a type field and a subtype field, and the type of the trigger frame may be indicated by the type field and the subtype field.

公开(公告)号：US20170195992A1

公开(公告)日：2017-07-06

申请号：US15315650

申请日：2015-06-01

Applicant: LG ELECTRONICS INC.

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

IPC: H04W72/00 ,  H04W74/08 ,  H04L5/00 ,  H04W56/00 ,  H04W72/04

CPC classification number: H04W72/005 ,  H04L5/0023 ,  H04L5/0053 ,  H04L5/0055 ,  H04L27/2657 ,  H04L27/2662 ,  H04L27/2675 ,  H04W56/0015 ,  H04W56/0065 ,  H04W72/0446 ,  H04W74/0816 ,  H04W84/12

Abstract: A method by which an STA transmits a multi-user (MU) frame in a wireless communication system, according to one embodiment of the present invention comprises the steps of: receiving, from an access point (AP), a second downlink frame including time synchronization information and frequency synchronization information; adjusting a time synchronization and a frequency synchronization by using the time synchronization information and the frequency synchronization information; receiving a third downlink frame including MU frame allocation information; and transmitting the MU frame according to the MU allocation information, wherein the time synchronization information is determined by comparing, to a reference value, a difference of measurement values relating to frames exchanged prior to the reception of the second downlink frame, and the reference value is a common value among STAs related to a multi-user transmission.

公开(公告)号：US20170171860A1

公开(公告)日：2017-06-15

申请号：US15376563

申请日：2016-12-12

Applicant: LG ELECTRONICS INC.

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

IPC: H04W72/04

CPC classification number: H04W72/0453 ,  H04L5/0023 ,  H04L5/0039 ,  H04L5/0048 ,  H04L5/006 ,  H04L5/0064 ,  H04L5/0094 ,  H04W84/12

Abstract: Provided are a method and apparatus for transmitting a feedback frame in a WLAN system. More specifically, the first wireless STA receives a feedback request field, including an LTF, from a second wireless STA. The first wireless STA configures feedback information about a wireless channel corresponding to a predetermined frequency band using the feedback request field. The first wireless STA transmits the feedback information to the second wireless STA.

公开(公告)号：US20170149547A1

公开(公告)日：2017-05-25

申请号：US15319477

申请日：2015-01-28

Applicant: LG ELECTRONICS INC.

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

IPC: H04L5/00 ,  H04W72/04

CPC classification number: H04L5/0055 ,  H04B7/26 ,  H04B7/2678 ,  H04L1/1635 ,  H04L1/1685 ,  H04L1/18 ,  H04L1/1864 ,  H04L27/26 ,  H04W72/0493 ,  H04W84/12 ,  H04W88/08

Abstract: Disclosed are a method and an apparatus for receiving a frame. A method for receiving a frame in a wireless LAN comprises the steps of: an AP transmitting, to a plurality of STAs, a downlink PPDU including downlink data for each of the plurality of STAs, through a plurality of channels; and the AP receiving, from each of the plurality of STAs, a plurality of block ACK frames transmitted based on a block ACK transmission control field, wherein the downlink PPDU includes the block ACK transmission control field, and wherein each of the plurality of block ACK frames may include ACK information related to downlink data.

公开(公告)号：US20170135093A1

公开(公告)日：2017-05-11

申请号：US15410493

申请日：2017-01-19

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: H04W72/0413 ,  H04L1/1861 ,  H04L1/1896 ,  H04L5/001 ,  H04L5/0023 ,  H04L5/0035 ,  H04L5/0053 ,  H04L5/0055 ,  H04L5/0094 ,  H04W72/042

Abstract: A multiple distributed system is disclosed. An uplink control resource allocation method for a user equipment to transmit an Acknowledgement/Negative ACK (ACK/NACK) signal includes receiving one or more Enhanced-Physical Downlink Control Channels (E-PDCCHs), receiving one or more Physical Downlink Shared Channels (PDSCHs) corresponding to the one or more E-PDCCHs, and transmitting ACK/NACK signals for reception of the one or more PDSCHs through a Physical Uplink Control Channel (PUCCH), wherein Control Channel Element (CCE) indexes of the PUCCH transmitting the ACK/NACK signals are determined in consideration of first CCE indexes of the one or more E-PDCCHs and the number of CCEs of a PUCCH determined by a higher layer.

公开(公告)号：US20170070274A1

公开(公告)日：2017-03-09

申请号：US15259519

申请日：2016-09-08

Applicant: LG ELECTRONICS INC.

Inventor： Dongguk LIM ,  Jinyoung CHUN ,  Jinsoo CHOI ,  Hangyu CHO ,  Jinmin KIM ,  Eunsung PARK

IPC: H04B7/06 ,  H04L25/02

CPC classification number: H04B7/0617 ,  H04B7/0619 ,  H04B7/066 ,  H04L25/0224 ,  H04W84/12

Abstract: When an AP (access point) performs sounding to transmit a frame to one or more STAs using a beamforming scheme in a wireless LAN (WLAN) system, the AP receives a beamforming feedback, which is generated based on measurement of a specific signal transmitted by the AP in a manner that the one or more STAs group a prescribed number of tones according to a tone grouping element (Ng). In this case, the Ng is configured by a multiple of 4.

Abstract translation: 当AP（接入点）在无线局域网（WLAN）系统中使用波束成形方案执行发送一帧到一个或多个STA的探测时，AP接收波束形成反馈，该反馈是基于由 AP以一个或多个STA根据音调分组元素（Ng）组合规定数量的音调的方式。 在这种情况下，Ng由4的倍数配置。

公开(公告)号：US20170064711A1

公开(公告)日：2017-03-02

申请号：US15115637

申请日：2014-11-18

Applicant: LG ELECTRONICS INC.

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

IPC: H04W72/04 ,  H04W74/08 ,  H04L27/26 ,  H04W74/04

Abstract: Disclosed are a method and an apparatus for transmitting a data unit in a wireless local area network. A method for transmitting a data unit in a wireless local area network may comprise the steps of: an AP transmitting a first PPDU to a first STA by means of a first frequency resource in a time resource; and the AP transmitting a second PPDU to a second STA by means of a second frequency resource in a time resource overlapping the time resource, wherein the first frequency resource can be allocated to the first STA on the basis of the contentious or a non-contentious channel access of the first STA, and the second frequency resource can be allocated to the second STA on the basis of OFDMA.

Abstract translation: 公开了一种用于在无线局域网中发送数据单元的方法和装置。 一种用于在无线局域网中发送数据单元的方法可以包括以下步骤：AP通过时间资源中的第一频率资源向第一STA发送第一PPDU; 并且AP在与时间资源重叠的时间资源中借助于第二频率资源向第二STA发送第二PPDU，其中第一频率资源可以基于有争议的或非争议的方式分配给第一STA 可以基于OFDMA将第一STA的信道接入和第二频率资源分配给第二STA。

公开(公告)号：US20170048865A1

公开(公告)日：2017-02-16

申请号：US15306744

申请日：2015-06-09

Applicant: LG ELECTRONICS INC.

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

IPC: H04W72/04 ,  H04L27/26

CPC classification number: H04W72/0453 ,  H04L5/0023 ,  H04L5/0044 ,  H04L5/0053 ,  H04L5/0064 ,  H04L5/0066 ,  H04L27/2602 ,  H04L27/2607

Abstract: Provided are a method and an apparatus for transmitting data in a wireless LAN. A transmitter receives, from an access point (AP), allocation information about at least one subband from among a plurality of subbands, and transmits a physical layer protocol data unit (PPDU) in the at least one allocated subband. A guard area is defined on both ends of at least any one of the plurality of subbands.

Abstract translation: 提供了一种用于在无线LAN中发送数据的方法和装置。 发射机从接入点（AP）接收关于多个子带中的至少一个子带的分配信息，并且在所述至少一个分配的子带中发送物理层协议数据单元（PPDU）。 在多个子带中的至少任一个子带的两端上限定保护区域。

公开(公告)号：US20170041050A1

公开(公告)日：2017-02-09

申请号：US15302924

申请日：2015-03-24

Applicant: LG ELECTRONICS INC.

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

IPC: H04B7/04 ,  H04L5/00 ,  H04L27/26

CPC classification number: H04B7/0452 ,  H04B1/02 ,  H04L5/005 ,  H04L5/0051 ,  H04L27/26 ,  H04L27/261 ,  H04L27/2628 ,  H04L69/323 ,  H04W84/12

Abstract: Provided are a method for transmitting data and a device using the same in a wireless LAN. A transmitter transmits a physical layer protocol data unit (PPDU) in a transmission bandwidth. The PPDU includes a first part to which a first fast Fourier transform (FFT) size is applied, and a second part to which a second FFT size is applied. The number of pilots of the second part is identical to the number of pilots of the first part, and the pilot frequency location of the second part is identical to the pilot frequency location of the first part.

Abstract translation: 提供了一种在无线LAN中发送数据的方法和使用该方法的装置。 发射机在传输带宽中发送物理层协议数据单元（PPDU）。 PPDU包括应用第一快速傅里叶变换（FFT）大小的第一部分和应用第二FFT大小的第二部分。 第二部分的导频数量与第一部分的导频数相同，第二部分的导频频率位置与第一部分的导频频率位置相同。

公开(公告)号：US20170033898A1

公开(公告)日：2017-02-02

申请号：US15302922

申请日：2015-02-16

Applicant: LG ELECTRONICS INC.

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

IPC: H04L5/00

CPC classification number: H04L5/005 ,  H04B7/0417 ,  H04B7/0452 ,  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.

Abstract translation: 公开了一种基于探测过程发送帧的方法和装置。 基于无线LAN中的探测过程发送帧的方法可以包括以下步骤：由AP发送NDPA帧到每个多个STA，其中NDPA帧通知NDP的传输; 由AP向多个STA中的每一个发送NDP; 由AP接收分别由多个STA重叠的时间源中分配给多个STA的多个发送源发送的多个反馈帧; 以及由所述AP将多个下行链路帧分别发送到所述多个STA。