公开(公告)号：US20190181993A1

公开(公告)日：2019-06-13

申请号：US16323586

申请日：2017-07-27

Applicant: LG Electronics Inc.

Inventor： Hojae Lee ,  Sangrim Lee ,  Kijun Kim ,  Byounghoon Kim

IPC: H04L5/00 ,  H04J13/16 ,  H04J13/10 ,  H04W72/04

Abstract: A method and a device for performing communication by using a non-orthogonal code multiple access scheme in a wireless communication system are provided. Particularly, a terminal receives control information from a base station. The terminal modulates or demodulates a terminal-specific NCC on the basis of the control information. The terminal performs the non-orthogonal code multiple access scheme by using the terminal-specific NCC. The control information includes information on a codeword composed of a Grassmannian sequence. The codeword is included in a codebook predefined for the non-orthogonal code multiple access scheme. Each coefficient of the Grassmannian sequence is quantized on the basis of an M-quadrature amplitude modulation (M-QAM) constellation.

公开(公告)号：US20180287739A1

公开(公告)日：2018-10-04

申请号：US15937115

申请日：2018-03-27

Applicant: LG ELECTRONICS INC.

Inventor： Dongkyu Kim ,  Woochan Kim ,  Sangrim Lee ,  Hojae Lee

IPC: H04L1/00 ,  H04L5/14 ,  H04L5/00 ,  H04J11/00

Abstract: A method for a base station processing an in-band emission interference signal caused when the base station operating in a Full Duplex Radio (FDR) mode transceives signals using a Frequency Division Multiplexing (FDM) manner includes transmitting a downlink signal in a flexible downlink duration of an uplink band; and processing the in-band emission interference signal caused by transmission of the downlink signal in an uplink duration of the uplink band, wherein the processing of the in-band emission interference signal is performed by puncturing a corresponding resource of the uplink duration, wherein the resource on the downlink signal is transmitted is mirrored to the corresponding resource of the uplink duration from a Direct Current (DC) subcarrier as a reference.

公开(公告)号：US20180254926A1

公开(公告)日：2018-09-06

申请号：US15755413

申请日：2016-05-24

Applicant: LG ELECTRONICS INC.

Inventor： Dongkyu Kim ,  Hyunsoo Ko ,  Kwangseok Noh ,  Sangrim Lee ,  Hojae Lee

IPC: H04L25/03 ,  H04L27/26

CPC classification number: H04L25/0328 ,  H04B1/525 ,  H04L5/1461 ,  H04L25/0224 ,  H04L25/03821 ,  H04L27/2691 ,  H04W72/082

Abstract: A method for cancelling self-interference by a base station that uses a full duplex radio (FDR) scheme may comprise the steps of: transmitting, to a terminal, information associated with reference signal (RS) power boosting, which has been changed for estimation of a self-interference channel; transmitting an RS on the basis of the changed RS power boosting; estimating the self-interference channel according to the RS; and cancelling the self-interference on the basis of the estimation of the self-interference channel.

公开(公告)号：US20180175904A1

公开(公告)日：2018-06-21

申请号：US15739518

申请日：2016-03-22

Applicant: LG ELECTRONICS INC.

Inventor： Hyunsoo Ko ,  Bonghoe Kim ,  Yunjung Yi ,  Sangrim Lee

IPC: H04B1/713 ,  H04W72/04 ,  H04L27/26

CPC classification number: H04B1/713 ,  H04J11/005 ,  H04L5/00 ,  H04L5/0007 ,  H04L5/0012 ,  H04L5/0044 ,  H04L5/0073 ,  H04L27/2655 ,  H04L29/08 ,  H04W4/70 ,  H04W72/005 ,  H04W72/042 ,  H04W72/0446

Abstract: A method and apparatus for randomization of interference in a cellular Internet of things (IoT) system is disclosed. The method for randomization of interference in the cellular IoT system may comprise the steps of: allocating a radio resource for a physical broadcast channel (PBCH) by a base station; and transmitting downlink data to a plurality of terminals through the PBCH by the base station on the basis of a broadcast, wherein the PBCH may be transmitted on N (herein, N is natural number) slots, the radio resource may be determined on the basis of frequency hopping, and the frequency hopping may be performed in a plurality of frequency areas included in the entire whole frequency bandwidth.

公开(公告)号：US12284273B2

公开(公告)日：2025-04-22

申请号：US18044865

申请日：2020-09-11

Applicant: LG Electronics Inc.

Inventor： JaYeong Kim ,  Hojae Lee ,  Byungkyu Ahn ,  Byounghoon Kim ,  Sangrim Lee

IPC: H04L9/08 ,  G02B27/28 ,  H04B10/70

Abstract: Provided is a method and device for correcting an error in a communication system, the method including: transmitting, to another device, data encrypted based on key information. The key information is obtained by: incident a detection pulse on a variable Faraday rotating mirror and a reference pulse on a first mirror, respectively, wherein the detection pulse and the reference pulse are pulses branched from a test pulse; generating a first current in a balanced photodetector (BPD) based on a first component obtained as the detection pulse is reflected from the variable Faraday rotating mirror and a second component obtained as the reference pulse is reflected from the first mirror; converting the first current into a second current; incident the second current on the variable Faraday rotating mirror; and correcting the error in the variable Faraday rotating mirror based on the incident second current.

公开(公告)号：US12199679B2

公开(公告)日：2025-01-14

申请号：US18007277

申请日：2020-07-29

Applicant: LG ELECTRONICS INC.

Inventor： Hojae Lee ,  Sangrim Lee ,  Kijun Jeon

IPC: H04B10/40 ,  H04B10/11 ,  H04B10/50 ,  H04B10/60

Abstract: The present specification provides a method for transmitting at least one beam, performed by a device, in a wireless communication system, in which the at least one beam is transmitted to another device and a measurement result of the at least one beam is received from the another device, wherein the at least one beam is a beam generated on the basis of a laser signal being incident on the metasurface, the laser signal passing through a phase controller or a delay controller before being incident on the metasurface.

公开(公告)号：US12176985B2

公开(公告)日：2024-12-24

申请号：US18265109

申请日：2020-12-04

Applicant: LG Electronics Inc.

Inventor： Hojae Lee ,  Sangrim Lee ,  Kyungho Lee ,  Yeongjun Kim ,  Kijun Jeon ,  Sungjin Kim

IPC: H04B7/06 ,  H04B17/391

Abstract: The present specification provides a method fir transmitting learning class information, the method being performed by a terminal in a wireless communication system and comprising the steps of: transmitting a random access (RA) preamble to a base station; receiving a random access response (RAR) from the base station in response to the RA preamble; performing a radio resource control (RRC) connection procedure with the base station; determining the learning class information, wherein the learning class information is information about the degree of performance improvement in online learning, and the online learning is artificial intelligence (AI) algorithm-based learning following the activation of the wireless communication system; transmitting the learning class information to the base station; and performing channel state information (CSI) feedback according to the learning class information.

公开(公告)号：US12095596B2

公开(公告)日：2024-09-17

申请号：US17799074

申请日：2020-02-21

Applicant: LG ELECTRONICS INC.

Inventor： Kijun Jeon ,  Sangrim Lee ,  Hojae Lee

IPC: H04L25/03 ,  H04L25/02

CPC classification number: H04L25/03006 ,  H04L25/0258 ,  H04L2025/03624

Abstract: A method for receiving data by a terminal in a wireless communication system according to the present document comprises: receiving a channel signal and a reference signal (RS) from a base station; and generating a sequence by filtering the RS, and decoding the channel signal on the basis of the generated sequence, wherein the filtering is zero forcing (ZF) filtering, and the decoding of the channel signal is a selection of one parameter from among parameter sets generated in accordance with a colored-noise machine learning process.

公开(公告)号：US12074636B2

公开(公告)日：2024-08-27

申请号：US17596854

申请日：2019-06-28

Applicant: LG ELECTRONICS INC.

Inventor： Hojae Lee ,  Sangrim Lee ,  Kijun Jeon

IPC: H04B10/079 ,  G01S13/06 ,  H04B10/116 ,  H04B10/40

CPC classification number: H04B10/07953 ,  H04B10/40 ,  G01S13/06 ,  H04B10/116

Abstract: A method by which a transmission terminal transmits a signal in an optical wireless communication system can comprise: transmitting a first optical signal including a reference signal to a reception terminal having established a communication link with the transmission terminal; receiving feedback information about the first optical signal from the reception terminal; and transmitting a second optical signal to the reception terminal on the basis of the feedback information, wherein an orbital angular momentum (OAM) mode of the second optical signal can be selected on the basis of the feedback information.

公开(公告)号：US12003277B2

公开(公告)日：2024-06-04

申请号：US17637420

申请日：2019-08-20

Applicant: LG ELECTRONICS INC.

Inventor： Sangrim Lee ,  Byounghoon Kim ,  Sungjin Kim

IPC: H04B10/556 ,  G06N3/049 ,  H04B10/67 ,  H04L27/233

CPC classification number: H04B10/5561 ,  G06N3/049 ,  H04B10/677 ,  H04L27/233

Abstract: The present disclosure relates to a method for transmitting or receiving a signal by a reception device in a wireless communication system, and the method may comprise the steps of: receiving, from a transmission device, a signal modulated on the basis of a differential phase shift keying (DPSK) scheme; converting the received signal into an input signal of a spiking neural network (SNN); calculating an output value through the spiking neural network previously learned; and converting the output value into an input signal of a channel decoder.