公开(公告)号：US20180034607A1

公开(公告)日：2018-02-01

申请号：US15548703

申请日：2016-01-22

Applicant: LG Electronics Inc.

Inventor： Dongkyu Kim ,  Kilbom Lee ,  Kwangseok Noh ,  Sangrim Lee ,  Hyunsoo Ko ,  Kukheon Chol

IPC: H04L5/00 ,  H04W72/08 ,  H04L25/08

CPC classification number: H04L5/0048 ,  H04B17/345 ,  H04L5/1461 ,  H04L25/0228 ,  H04L25/08 ,  H04W72/082

Abstract: A method by which a communication device using an FDR method estimates a self-interference signal can comprise the steps of: transmitting, in a transmitting end, a pilot signal to which a selected sequence is applied; receiving, in a reception end, a self-interference signal relating to the pilot signal; and estimating a channel of a nonlinear self-interference signal component in a self-interference channel by using a cross correlation characteristic of the selected sequence.

公开(公告)号：US09883478B2

公开(公告)日：2018-01-30

申请号：US15541618

申请日：2015-01-09

Applicant: LG ELECTRONICS INC.

Inventor： Kwangseok Noh ,  Jaehoon Chung ,  Genebeck Hahn ,  Eunjong Lee ,  Jinmin Kim ,  Kukheon Choi ,  Sangrim Lee

IPC: H04W24/00 ,  H04W64/00 ,  G01S5/02 ,  H04L5/14

CPC classification number: H04W64/00 ,  G01S5/02 ,  G01S5/0252 ,  H04L5/14

Abstract: The present invention relates to a method for positioning multiple user equipments (UEs) by a base station in a wireless communication system supporting full-duplex communication and an apparatus therefor. More specifically, the present invention comprises: setting a unit distance on the basis of the magnitude of inter-device interference (IDI) with respect to a first UE; and establishing multiple boundaries around each of the multiple UEs and the base station according to relative distances on the basis of the unit distance and checking whether the boundaries overlap each other. Here, the relative distances indicate with respect to the multiple UEs, measured on the basis of the magnitude of inter-device interference (IDI).

公开(公告)号：US12273159B2

公开(公告)日：2025-04-08

申请号：US18042107

申请日：2020-08-20

Applicant: LG ELECTRONICS INC.

Inventor： Kijun Jeon ,  Sangrim Lee ,  Hojae Lee ,  Ikjoo Jung ,  Taehyun Lee

IPC: H04B7/0404 ,  G06N3/045 ,  H04B7/0452

Abstract: Disclosed is a method by which a terminal controls the calculations of a deep neural network in a wireless communication system. A method according to one embodiment of the present disclosure receives a downlink from a base station of a wireless communication system by using a multi input multi output (MIMO) operation, pre-processes the downlink on the basis of a result of calculations of a deep neural network in a terminal, acquires the number of a plurality of transmission antennas connected to the terminal, acquires the number of a plurality of reception antennas connected to the terminal, and forms a plurality of overlapping neural networks overlapping in the deep neural network, on the basis of a preset number of reference antennas, the number of transmission antennas, and the number of reception antennas. The terminal of the present disclosure can be linked to an artificial intelligence module, a drone (unmanned aerial vehicle (UAV)), a robot, an augmented reality (AR) device, a virtual reality (VR) device, a device related to 6G services, and the like.

公开(公告)号：US12166530B2

公开(公告)日：2024-12-10

申请号：US17928146

申请日：2020-05-28

Applicant: LG ELECTRONICS INC.

Inventor： Hojae Lee ,  Sangrim Lee ,  Kijun Jeon

IPC: H04B10/508 ,  H04B10/11 ,  H04B10/50

Abstract: The present specification provides a method and apparatus, the method being for transmitting a beam, performed by the apparatus, in an optical wireless communication system, and comprising: generating a pulse laser signal; making the pulse laser signal to be incident on a metasurface, wherein the beam is generated on the basis that the pulse laser signal is incident on the metasurface; and transmitting the beam to a reception apparatus, wherein the metasurface is determined on the basis of ω_0, d, Δω, and N, wherein ω_0 is a value of a center frequency, d is a value of a virtual antenna interval, Δω is a value of a frequency comb interval, and N is a value related to the number of frequency combs present within a gain bandwidth based on the center frequency.

公开(公告)号：US12081277B2

公开(公告)日：2024-09-03

申请号：US17920712

申请日：2020-07-14

Applicant: LG ELECTRONICS INC.

Inventor： Hojae Lee ,  Sangrim Lee ,  Kijun Jeon

IPC: H04B10/11 ,  H04B10/67 ,  H04B10/69 ,  H04W72/23

CPC classification number: H04B10/6972 ,  H04B10/67 ,  H04W72/23

Abstract: According to one embodiment of the present invention, an apparatus and method for transmitting and receiving signals in a wireless communication system comprise receiving an optical signal including an interference signal and a target signal, attenuating the interference signal, and converting the optical signal in which the interference signal is attenuated, into electric signals via a photodiode array, wherein a transceiver comprises a first optical filter upon which the optical signal is incident, and a second optical filter upon which the optical signal having passed through the first optical filter is incident, wherein the interference signal may be attenuated through the first optical filter and the second optical filter.

公开(公告)号：US11831437B2

公开(公告)日：2023-11-28

申请号：US17619408

申请日：2019-07-03

Applicant: LG ELECTRONICS INC.

Inventor： Sangrim Lee ,  Byounghoon Kim ,  Kijun Jeon

IPC: H04L1/18

CPC classification number: H04L1/18

Abstract: Disclosed is a method by which a terminal decodes a codeword in a wireless communication system. Specifically, the method may comprise: receiving a plurality of codewords; and decoding the plurality codewords on the basis of successive interference cancellation (SIC). In particular, the SIC may be performed on the basis of a decoding policy for decoding the plurality of codewords. In particular, the decoding policy may be determined by a neural network trained on the basis of a state and a reward related to the plurality of codewords.

公开(公告)号：US11677467B2

公开(公告)日：2023-06-13

申请号：US17310562

申请日：2019-02-12

Applicant: LG ELECTRONICS INC.

Inventor： Hojae Lee ,  Sangrim Lee ,  Woonghee Lee

IPC: H04B10/116

CPC classification number: H04B10/116

Abstract: Proposed is a method for transmitting signals in visible light communications. The method for transmitting signals in visible light communications comprises: a step of receiving interference information from a receiving end; a step of transmitting a constellation set index to the receiving end; and a step of transmitting, to the receiving end, signals modified on the basis of the constellation set index. Meanwhile, the constellation set index may be selected on the basis of the received interference information.

公开(公告)号：US11611380B2

公开(公告)日：2023-03-21

申请号：US17263510

申请日：2019-07-29

Applicant: LG ELECTRONICS INC.

Inventor： Haewook Park ,  Hyungtae Kim ,  Jiwon Kang ,  Sangrim Lee

IPC: H04B7/0456 ,  H04L5/00

Abstract: The present disclosure relates to a method, performed by a user equipment (UE), for reporting channel state information (CSI) in a wireless communication system and an apparatus therefor. According to the present disclosure, the UE receives a channel state information reference signal (CSI-RS) from a base station through a multiple antenna port; and reports the CSI to the base station, wherein the CSI includes a precoding matrix indicator for a codebook generated by linear combination, wherein the codebook is generated based on a specific parameter set, and wherein the specific parameter set is differently set/applied based on at least one of a rank value or at least one layer index of a specific rank.

公开(公告)号：US11540098B2

公开(公告)日：2022-12-27

申请号：US16761564

申请日：2018-11-08

Applicant: LG Electronics Inc.

Inventor： Seungmin Lee ,  Hanbyul Seo ,  Hyukjin Chae ,  Sangrim Lee

IPC: H04W4/40 ,  H04W72/02 ,  H04L27/26 ,  H04W64/00 ,  H04W4/029 ,  H04W72/04 ,  H04W84/18 ,  G01S3/04 ,  G01S5/02 ,  G01S13/87 ,  G01S5/00 ,  G01S13/75 ,  G01S13/84

Abstract: The present document provides a method by which first vehicle-to-X (V2X) user equipment (UE) for supporting distance measurement transmits a ranging response signal in a wireless communication system, the method comprising: receiving a ranging request signal from second V2X UE; and transmitting, to the second V2X UE, the ranging response signal as a response to the ranging request signal on the basis of distance measurement parameter information, wherein the distance measurement parameter information includes information on a cyclic prefix (CP) length used for the ranging response signal, and the CP length used for the ranging response signal is different from a CP length to be used in V2X data channel transmission.

公开(公告)号：US20220376954A1

公开(公告)日：2022-11-24

申请号：US17624199

申请日：2019-07-03

Applicant: LG ELECTRONICS INC.

Inventor： Sangrim Lee ,  Hojae Lee ,  Kijun Jeon

IPC: H04L25/02 ,  H04B17/309 ,  H04L1/00 ,  H04L1/20 ,  H04L25/06 ,  H04L25/49

Abstract: The present disclosure provides a method for transmitting and receiving in a wireless communication system and an apparatus therefore. Specifically, in a wireless communication system according to an embodiment of the present disclosure, there is provided a method for transmitting and receiving a signal by a receiving apparatus, the method includes receiving, from a transmitting apparatus, signals modulated based on a differential phase shift keying (DPSK) method through a plurality of reception paths, calculating a differential value in each reception path of the plurality of reception paths based on the received signals, and calculating reliability for the received signals, in which the reliability is proportional to a real value of a sum of the differential values in each reception path of the plurality of reception paths.