公开(公告)号：US20210226747A1

公开(公告)日：2021-07-22

申请号：US17222320

申请日：2021-04-05

Applicant: LG ELECTRONICS INC.

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

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

Abstract: 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：US20200092815A1

公开(公告)日：2020-03-19

申请号：US16618788

申请日：2018-05-31

Applicant: LG ELECTRONICS INC.

Inventor： Suhwook KIM ,  Kiseon RYU ,  Jinyoung CHUN ,  Jeongki KIM ,  Jinsoo CHOI ,  Dongguk LIM ,  Eunsung PARK

IPC: H04W52/02 ,  H04L27/06 ,  H04L5/00

Abstract: A method for receiving a frame in a wireless LAN system according to the present embodiment comprises the steps of: receiving transmission speed information according to a transmission type of a wakeup packet for a WUR module from a second wireless terminal by a first wireless terminal including a main radio module and the WUR module, wherein the transmission speed information is set on the basis of at least three transmission speeds for the wakeup packet, and the transmission speed information is received on the basis of the main radio module; and receiving the wakeup packet on the basis of the transmission speed information from the second wireless terminal by the first wireless terminal, wherein a header of the wakeup packet includes a transmission type indicator for the transmission type of the wakeup packet, the wakeup packet is modulated according to an on-off keying (OOK) scheme, and the wakeup packet is received on the basis of the WUR module.

公开(公告)号：US20190281551A1

公开(公告)日：2019-09-12

申请号：US16467025

申请日：2017-12-06

Applicant: LG ELECTRONICS INC.

Inventor： Jeongki KIM ,  Kiseon RYU ,  Hyunhee PARK ,  Suhwook KIM ,  Hangyu CHO ,  Jinyoung CHUN ,  Jinsoo CHOI ,  Taewon SONG

IPC: H04W52/02

Abstract: A method for transmitting a wake-up radio (WUR) frame by an access point (AP) in a wireless LAN (WLAN) system according to one embodiment of the present invention comprises the steps of: generating a WUR frame including a WUR preamble and a MAC header; and transmitting the WUR frame, wherein the MAC header includes at least one of frame length information, a transmitter ID and a receiver ID, and when the frame length information is included in the MAC header, the frame length information indicates a length of MAC content located after the WUR preamble in the WUR frame, but the length of the MAC header may be excluded from the indicated length of the MAC content.

公开(公告)号：US20180359761A1

公开(公告)日：2018-12-13

申请号：US15566596

申请日：2016-04-15

Applicant: LG ELECTRONICS INC.

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

IPC: H04W72/08 ,  H04W72/04 ,  H04W72/12

CPC classification number: H04W72/085 ,  H04L5/00 ,  H04L27/2602 ,  H04W72/0413 ,  H04W72/0446 ,  H04W72/0453 ,  H04W72/046 ,  H04W72/121 ,  H04W84/12

Abstract: An uplink (UL) sounding support method of a station (STA) for measuring a an UL channel state in a wireless local area network (WLAN) system, according to one embodiment of the present invention, comprises the steps of: receiving null data packet announcement (NDPA) information indicating an UL transmission of an the NDP frame; receiving trigger information indicating an UL MU transmission resource of the NDP frame; and UL multi-user (MU)-transmitting the NDP frame using the UL MU transmission resource indicated by the trigger information, wherein the trigger information may comprise at least one of spatial resource information or the frequency resource information to be used for the UL MU transmission of the NDP frame.

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.