公开(公告)号：US20220224381A1

公开(公告)日：2022-07-14

申请号：US17595189

申请日：2019-09-19

Applicant: LG ELECTRONICS INC.

Inventor： Sunwoong YUN ,  Jinmin KIM ,  Eunsung PARK ,  Dongguk LIM ,  Jinsoo CHOI

IPC: H04B7/0417 ,  H04B7/06 ,  H04W16/28

Abstract: Proposed are a method and device for receiving a feedback frame in a wireless LAN system. Specifically, a first STA transmits an NDPA frame to a second STA. The first STA transmits an NDP frame to the second STA. The first STA receives, from the second STA, a feedback frame transmitted on the basis of the NDP frame. The feedback frame includes information about a beamforming feedback matrix. The information about the beamforming feedback matrix includes a first bit for the index difference between quantized phi of adjacent subcarriers, and a second bit for the index difference between quantized psi of the adjacent subcarriers. The adjacent subcarriers are two adjacent subcarriers starting with the first subcarrier among all of the subcarriers. The first subcarrier is either the left edge subcarrier or the right edge subcarrier. The quantized phi and psi are information about beamforming angles.

公开(公告)号：US20220158881A1

公开(公告)日：2022-05-19

申请号：US17597567

申请日：2020-07-10

Applicant: LG ELECTRONICS INC.

Inventor： Dongguk LIM ,  Jinsoo CHOI ,  Eunsung PARK ,  Insun JANG

IPC: H04L27/26 ,  H04L5/00

Abstract: One embodiment according to the present specification relates to a technique for transmitting information on a midamble in a wireless LAN (WLAN) system. A transmitting STA may generate a NGV PPDU. The NGV PPDU may include a preamble, a data field and a midamble. The preamble may include information on the midamble. For example, the information on the midamble may include information on the configuration and period of the midamble.

公开(公告)号：US20220158786A1

公开(公告)日：2022-05-19

申请号：US17527406

申请日：2021-11-16

Applicant: LG Electronics Inc.

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

IPC: H04L5/00 ,  H04L1/00 ,  H04W76/30

Abstract: The present specification relates to a signaling field supporting various transmission methods in a wireless LAN system. The wireless LAN system may support a new transmission method in addition to the basic transmission method, and the configuration of a signaling field may be changed for the new transmission method. The present specification proposes an example of improving a specific field of the Universal Signal (U-SIG) field to support various configurations of the signaling field. For example, based on the validate bit value of the U-SIG field, contents of various SIG fields may be changed, additional SIG fields may be inserted, or various transmission modes may be indicated.

公开(公告)号：US20220149990A1

公开(公告)日：2022-05-12

申请号：US17310872

申请日：2019-11-22

Applicant: LG ELECTRONICS INC.

Inventor： Jinmin KIM ,  Jinsoo CHOI ,  Dongguk LIM ,  Eunsung PARK ,  Sunwoong YUN

IPC: H04L1/08 ,  H04L1/00

Abstract: In a wireless local area network system, a station (STA) may perform binary convolutional code (BCC) encoding on a data field. The STA may puncture the data field in a first puncturing pattern and may transmit a physical protocol data unit (PPDU) including a control field and the data field. The control field may include control information related to the first puncturing pattern.

公开(公告)号：US20220038315A1

公开(公告)日：2022-02-03

申请号：US17299668

申请日：2019-12-09

Applicant: LG ELECTRONICS INC.

Inventor： Eunsung PARK ,  Jinsoo CHOI ,  Dongguk LIM ,  Jinmin KIM ,  Sunwoong YUN

IPC: H04L27/26 ,  H04B7/0413

Abstract: A method and apparatus for transmitting an EHT PPDU in a wireless LAN system is proposed. Specifically, a transmitting STA generates an EHT PPDU including a STF signal. The transmitting STA transmits the EHT PPDU to a receiving STA. The STF signal is generated on the basis of an EHT STF sequence for a 320 MHz band or a 160+160 MHz band. The EHT STF sequence for the 320 MHz band is a first sequence in which a predetermined M sequence is repeated, which is defined as {M 1 M 1 M 1 −M 0 M 1 −M 1 −M 1 M 0 M 1 M 1 M 1 −M 0 −M −1 M −1 M −1 −M}*(1+j)/sqrt(2). The sqrt( ) represents the square root. The predetermined M sequence is defined as M={−1, −1, −1, 1, 1, 1, −1, 1, 1, 1, −1, 1, 1, −1, 1}.

公开(公告)号：US20220007362A1

公开(公告)日：2022-01-06

申请号：US17288444

申请日：2019-10-23

Applicant: LG ELECTRONICS INC.

Inventor： Dongguk LIM ,  Jinmin KIM ,  Eunsung PARK ,  Jinsoo CHOI

IPC: H04W72/04 ,  H04L27/26

Abstract: An embodiment of the present invention relates to a technique for configuring a signal field in a wireless communication system. A receiving STA may receive and decode a PPDU. The PPDU may include a control information field, a plurality of signal fields, and a plurality of data fields. The control information field may be duplicated based on a first bandwidth, and the plurality of signal fields may be duplicated based on a second bandwidth. The second bandwidth may be set to be larger than the first bandwidth.

公开(公告)号：US20210391947A1

公开(公告)日：2021-12-16

申请号：US17283796

申请日：2019-10-16

Applicant: LG ELECTRONICS INC.

Inventor： Insun JANG ,  Jeongki KIM ,  Eunsung PARK ,  Dongguk LIM ,  Jinsoo CHOI

IPC: H04L1/00 ,  H04W74/08 ,  H04W72/04

Abstract: A method and a device for transmitting data in a wireless LAN system are presented. Particularly, a transmission STA transmits information about a preamble puncturing pattern to a reception STA. The transmission STA transmits data to the reception STA through a 320 MHz band on the basis of the preamble puncturing pattern. The preamble puncturing pattern is determined on the basis of a first bandwidth unit in which a CCA is performed and a second bandwidth unit in which user specific information is repeated. At least one 20 MHz subchannel is punctured in the 320 MHz band on the basis of the preamble puncturing pattern.

公开(公告)号：US20210368443A1

公开(公告)日：2021-11-25

申请号：US17045984

申请日：2019-04-05

Applicant: LG ELECTRONICS INC.

Inventor： Eunsung PARK ,  Dongguk LIM ,  Jinsoo CHOI

IPC: H04W52/02 ,  H04L1/00 ,  H04L27/26 ,  H04L27/10

Abstract: A method and an apparatus for transmitting a wakeup packet in a wireless LAN system are proposed. Specifically, a transmitter generates a wakeup packet by applying an OOK scheme. The transmitter transmits the wakeup packet to a receiver via an 80 MHz channel. The 80 MHz channel includes first to fourth subchannels. If some of the first to fourth subchannels are busy or there are no pending wakeup packets for the receiver in some of the subchannels, some of the subchannels are punctured. The wakeup packet is transmitted via the remaining subchannels of the first to fourth subchannels. Each of the first to fourth subchannels is a 20 MHz channel.

公开(公告)号：US20210274484A1

公开(公告)日：2021-09-02

申请号：US17253868

申请日：2019-06-10

Applicant: LG ELECTRONICS INC.

Inventor： Eunsung PARK ,  Sunwoong YUN ,  Dongguk LIM ,  Jinsoo CHOI

IPC: H04W72/04

Abstract: Proposed are a method and an apparatus for transmitting and receiving data to and from a wireless LAN system. Specifically, an AP transmits control information to an STA. The AP transmits data to or receives data from the STA on the basis of the control information. The control information includes RU information for transmitting and receiving data over a broadband network. If the broadband, on the basis of the RU information, is defined as only one full bandwidth, the RU information includes allocation information that the broadband consists of 12 guard tones, 3044-tone RU, 5 DC tones, and 11 guard tones. If the broadband, on the basis of the RU information, includes three 996-tone RUs, the RU information includes allocation information that the broadband consists of 12 guard tones, a first 996-tone RU, 1 null tone, 26-tone RU, 1 null tone, a second 996-tone RU, 1 null tone, 26-tone RU, 1 null tone, a third 996-tone RU, and 11 guard tones.

公开(公告)号：US20210028917A1

公开(公告)日：2021-01-28

申请号：US17040497

申请日：2019-03-06

Applicant: LG ELECTRONICS INC.

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

IPC: H04L5/14

Abstract: A method and an apparatus for transmitting and receiving PPDU on the basis of FDR in a wireless LAN system are presented. Specifically, an AP generates FDR indication information that FDR can be performed. The AP transmits a DL PPDU including the FDR indication information to a first STA. The AP receives a UL PPDU from the first STA. The DL PPDU includes a legacy signal field, a first signal field, a second signal field, a third signal field, and a DL data field. The second signal field includes information on an RU placement in the entire frequency band and allocation information for a first RU to which the DL data field is allocated. The third signal field includes allocation information for a second RU to which the UL PPDU is allocated on the basis of the information on the RU placement. The allocation information for the second RU includes a bitmap of whether the UL PPDU is allocated in units of 26 RUs.