公开(公告)号：US20180159714A1

公开(公告)日：2018-06-07

申请号：US15506651

申请日：2015-08-24

Applicant: LG ELECTRONICS INC.

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

IPC: H04L27/26 ,  H04W28/22

CPC classification number: H04L27/2691 ,  H04B7/0452 ,  H04B7/061 ,  H04B7/0669 ,  H04L27/26 ,  H04L27/2607 ,  H04L27/2613 ,  H04L27/2698 ,  H04L29/08 ,  H04L69/323 ,  H04W28/22 ,  H04W72/1215

Abstract: Disclosed herein is a station (STA) device of a wireless LAN (WLAN) system. The STA device includes a radio frequency (RF) unit sending and receiving a radio signal and a processor controlling the RF unit. The processor may generate a physical protocol data unit (PPDU) including a physical preamble and a data field and send the PPDU using the RF unit.

公开(公告)号：US20180007661A1

公开(公告)日：2018-01-04

申请号：US15537356

申请日：2015-12-15

Applicant: LG ELECTRONICS INC.

Inventor： Jinyoung CHUN ,  Kiseon RYU ,  Wookbong LEE ,  Hangyu CHO

IPC: H04W72/04 ,  H04L1/18 ,  H04L27/26 ,  H04W84/12

CPC classification number: H04W72/04 ,  H04L1/00 ,  H04L1/1671 ,  H04L1/1685 ,  H04L1/1861 ,  H04L5/0037 ,  H04L5/0094 ,  H04L27/26 ,  H04L27/2601 ,  H04L27/2602 ,  H04W84/12

Abstract: Disclosed is an uplink (UL) multi-user (MU) transmission method of a station (STA) in a wireless LAN (WLAN) system. An UL MU transmission method of an STA in a WLAN system according to an embodiment of the present invention includes receiving a trigger frame including resource unit allocation information for orthogonal frequency division multiple access (OFDMA) transmission, sending an UL MU physical protocol data unit (PPDU) based on the resource unit allocation information, and receiving an ACK frame for the UL MU PPDU.

公开(公告)号：US20170310519A1

公开(公告)日：2017-10-26

申请号：US15509832

申请日：2015-08-20

Applicant: LG ELECTRONICS INC.

Inventor： Jinsoo CHOI ,  Wookbong LEE ,  Hangyu CHO

IPC: H04L27/26 ,  H04L27/18 ,  H04W84/12

CPC classification number: H04L27/2636 ,  H04L5/0023 ,  H04L5/0048 ,  H04L27/18 ,  H04L27/2602 ,  H04L27/2605 ,  H04L27/2613 ,  H04L27/265 ,  H04W84/12

Abstract: A method of transmitting a data block in a wireless WLAN and a device using the same are provided. A transmitter transmits a physical layer protocol data unit (PPDU) that includes a legacy-signal (L-SIG). A guard period (GI) of a first orthogonal frequency division multiplexing (OFDM) symbol that follows the L-SIG is shorter than the GI of a second OFDM symbol that follows the first OFDM symbol.

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：US20170223731A1

公开(公告)日：2017-08-03

申请号：US15328858

申请日：2015-07-28

Applicant: LG ELECTRONICS INC.

Inventor： Wookbong LEE ,  Kiseon RYU ,  Jeongki KIM ,  Jinsoo CHOI ,  Hangyu CHO

IPC: H04W74/00 ,  H04W74/08

CPC classification number: H04W74/006 ,  H04L5/0023 ,  H04L27/26 ,  H04W74/00 ,  H04W74/002 ,  H04W74/08 ,  H04W74/0808 ,  H04W74/0816 ,  H04W84/12

Abstract: An embodiment of the present invention relates to a method for performing a clear channel assessment (CCA) by STA in a wireless communication system, the method comprising the steps of: receiving a frame including a coloring bit; changing a CCA level to a first level when the coloring bit indicates a basic service set (BSS) to which the STA belongs, and changing a CCA level to a second level when the coloring bit indicates a BSS to which the STA does not belong; and performing the CCA according to the first level or the second level, wherein when the frame has an OFDM-based format, the frame includes a coloring disable bit, and when the coloring disable bit indicates that the frame is a multiuser transmission-related trigger frame, the STA does not perform a change of the CCA level without regard to information indicated by the coloring bit.

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：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：US20170085638A1

公开(公告)日：2017-03-23

申请号：US15370787

申请日：2016-12-06

Applicant: LG ELECTRONICS INC.

Inventor： Byungjoo LEE ,  Dongcheol KIM ,  Jinho KIM ,  Wookbong LEE ,  Hangyu CHO

IPC: H04L29/08 ,  H04W76/02 ,  H04W72/04 ,  H04W8/00

CPC classification number: H04L67/1046 ,  H04L67/1044 ,  H04L67/1051 ,  H04W4/08 ,  H04W8/005 ,  H04W72/048 ,  H04W76/14 ,  H04W84/12 ,  H04W84/18 ,  H04W92/18

Abstract: The present invention relates to a wireless communication system, and a method for peer to peer (P2P) group formation is disclosed. To this end, the method for P2P group formation may include transmitting, from a first wireless device to a second wireless device, a provision discovery request frame including connection capabilities of the first wireless device, and receiving, at the first wireless device, from the second wireless device, a provision discovery response frame including connection capabilities of the second wireless device. Here, the connection capabilities may include indicating at least one of: New in order to initiate a new group, Group Owner in order to become a group owner, and Client in order to become a client; and the first wireless device determines the group owner of a P2P group on the basis of the first connection capability and the second connection capability.

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。