公开(公告)号：US20250015890A1

公开(公告)日：2025-01-09

申请号：US18695712

申请日：2022-10-04

Applicant: LG Electronics Inc.

Inventor： Hojae LEE ,  Sangrim LEE ,  Kijun JEON ,  JaYeong KIM ,  Byungkyu AHN

IPC: H04B10/112 ,  G02B27/28 ,  G03B21/20

Abstract: A method and a device used in an optical wireless communication (OWC) system are provided. A transmitting terminal transmits a plurality of reference signals to a receiving terminal through each of a plurality of beams. Each of the plurality of beams may have an inhomogeneous polarization beam pattern. The receiving terminal measures signal strength and polarization with respect to the plurality of reference signals. When the receiving terminal transmits feedback information including the measured signal strength information and polarization information to the transmitting terminal, the transmitting terminal may select at least one beam among the plurality of beams on the basis of the feedback information. Alternatively, the receiving terminal may select at least one beam from among the plurality of beams, which corresponds to at least one inhomogeneous polarization beam pattern among a plurality of inhomogeneous polarization beam patterns, on the basis of the measured signal strength and polarization.

公开(公告)号：US20250007764A1

公开(公告)日：2025-01-02

申请号：US18711076

申请日：2021-11-18

Applicant: LG ELECTRONICS INC.

Inventor： Yeongjun KIM ,  Sangrim LEE ,  Bonghoe KIM ,  Kyungho LEE

IPC: H04L27/26

Abstract: The present invention relates to a wireless communication system and, particularly, to a method and an apparatus therefor, the method comprising the steps of: inputting, into an artificial neural network, (1) a data modulation symbol, (2) information for generating a reference signal sequence, and (3) PAPR margin information, so as to output a complex sequence from the artificial neural network in a frequency domain; generating an OFDM symbol by applying the inverse Fourier transform to the complex sequence; and transmitting the OFDM symbol.

公开(公告)号：US20240429985A1

公开(公告)日：2024-12-26

申请号：US18703067

申请日：2021-10-20

Applicant: LG Electronics Inc.

Inventor： Yeongjun KIM ,  Sangrim LEE ,  Eunjong LEE ,  Hojae LEE

IPC: H04B7/06 ,  H04W24/02

Abstract: A method, for transmitting channel state information, performed by a terminal in a wireless communication system according to one embodiment of the present specification comprises: a first step of receiving a reference signal associated with measurement of a channel; a second step of generating channel state information on the basis of the reference signal; a third step of transmitting the channel state information; and a fourth step of receiving a message comprising information determined on the basis of the channel state information.

公开(公告)号：US20240313898A1

公开(公告)日：2024-09-19

申请号：US18577024

申请日：2021-07-05

Applicant: LG Electronics Inc.

Inventor： Bonghoe KIM ,  Jongwoong SHIN ,  Sangrim LEE

IPC: H04L1/1812 ,  H03M13/00 ,  H04L1/00 ,  H04L1/1829

CPC classification number: H04L1/1819 ,  H03M13/6306 ,  H03M13/635 ,  H04L1/0056 ,  H04L1/1854

Abstract: A method by which a first wireless device transmits a signal on the basis of a hybrid automatic repeat request (HARQ) in a wireless communication system, according to one embodiment of the present specification, comprises the steps of: generating a first codeword on the basis of a first polar code; transmitting the first codeword; generating a second codeword on the basis of a second polar code; and transmitting the second codeword.

公开(公告)号：US20240292232A1

公开(公告)日：2024-08-29

申请号：US18570514

申请日：2021-06-18

Applicant: LG Electronics Inc.

Inventor： Eunjong LEE ,  Kyungho LEE ,  Sangrim LEE

IPC: H04W16/28 ,  H04L5/00 ,  H04W24/10 ,  H04W74/0838 ,  H04W76/19 ,  H04W80/02

CPC classification number: H04W16/28 ,  H04L5/0051 ,  H04W24/10 ,  H04W74/0838 ,  H04W76/19 ,  H04W80/02

Abstract: A method of performing a beam management in a wireless communication system and a device therefor are disclosed. The method performed by a user equipment (UE) comprises receiving, from a base station (BS), configuration information including i) resource information on a plurality of reference signals and ii) candidate beam determination algorithm information, determining N candidate beams for at least one serving beam based on the candidate beam determination algorithm information, the N candidate beams being related to N reference signals of the plurality of reference signals, receiving, from the BS, the N reference signals of the plurality of reference signals based on the resource information on the plurality of reference signals, and transmitting, to the BS, measurement information including at least one measurement value among the N reference signals.

公开(公告)号：US20240129755A1

公开(公告)日：2024-04-18

申请号：US18267666

申请日：2020-12-31

Applicant: LG Electronics Inc.

Inventor： Kijun JEON ,  Sangrim LEE ,  Sungjin KIM ,  Hojae LEE ,  Yeongjun KIM ,  Taehyun LEE

IPC: H04W24/02 ,  H04W24/10 ,  H04W52/50 ,  H04W74/00 ,  H04W74/0833

CPC classification number: H04W24/02 ,  H04W24/10 ,  H04W52/50 ,  H04W74/002 ,  H04W74/0833

Abstract: In the present specification, provided are an apparatus and a method for obtaining gradient information, performed by a terminal, in a wireless communication system, wherein the terminal transmits a random access (RA) preamble to a base station, receives a random access response (RAR) from the base station in response to the RA preamble, performs a radio resource control (RRC) connection procedure with the base station, establishes a digital transmission link on the basis of the RRC connection procedure with the base station, and establishes an airComp link that is a link for federated learning with the base station, wherein the terminal acquires the gradient information corresponding to data, and the terminal obtains first information and second information from the gradient information on the basis of data splitting modulation, wherein the first information is information having a lower priority among the information obtained on the basis of the gradient information, the second information is information having a high priority among the information obtained on the basis of the gradient information, the terminal transmits the first information to the base station on a first area, and the terminal transmits the second information to the base station on a second area, wherein the first area is an area distinct from the second area in terms of a frequency domain and a time domain, the first area is a resource area used on the airComp link, and the second region is a resource area used on a digital transmission link.

公开(公告)号：US20230396422A1

公开(公告)日：2023-12-07

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 ,  H04B10/70 ,  G02B27/28

CPC classification number: H04L9/0852 ,  H04B10/70 ,  G02B27/28

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：US20230379949A1

公开(公告)日：2023-11-23

申请号：US18034324

申请日：2021-10-29

Applicant: LG ELECTRONICS INC.

Inventor： Yeong Jun KIM ,  Sangrim LEE ,  Hojae LEE ,  Ki Jun JEON ,  Sungjin KIM ,  Tae Hyun LEE

IPC: H04W72/50 ,  H04L5/00 ,  H04W24/02

CPC classification number: H04W72/50 ,  H04L5/0048 ,  H04W24/02

Abstract: The present disclosure a method of operating a user equipment (UE) in a wireless communication system, the method comprising: transmitting a reference signal to a base station by the UE; receiving a response message from the base station based on the reference signal by the UE; and transmitting a local parameter of a local model to the base station by the UE, wherein the response message comprises transmission mode information, resource allocation information and feedback information of the reference signal, and wherein the transmission mode information indicates a first transmission mode or a second transmission mode, the local parameter of the local parameter is transmitted based on the indicated first transmission mode or second transmission mode, and the local parameter of the local model is related to federated learning.

公开(公告)号：US20230379120A1

公开(公告)日：2023-11-23

申请号：US18024717

申请日：2020-09-03

Applicant: LG ELECTRONICS INC.

Inventor： Yeongjun KIM ,  Sangrim LEE ,  Hojae LEE ,  Kijun JEON

IPC: H04L5/00

CPC classification number: H04L5/0051 ,  H04L5/006

Abstract: According to the present disclosure, disclosed is a communication method for reducing an overhead of a reference signal. The communication method according to the present disclosure comprises the steps in which: a reception unit receives a reference signal from a transmission unit; the reception unit obtains channel state information on the basis of the reference signal; the reception unit obtains loss information on the basis of the channel state information; the reception unit selects a mask to be applied to the reference signal on the basis of the quality of the loss information; and the reception unit transmits the selected mask to the transmission unit. 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：US20230368584A1

公开(公告)日：2023-11-16

申请号：US18029886

申请日：2020-10-06

Applicant: LG ELECTRONICS INC.

Inventor： Ikjoo JUNG ,  Sangrim LEE ,  JaYeong KIM ,  Hojae LEE ,  Yeongjun KIM

IPC: G07C5/00 ,  H04W72/25 ,  B60W60/00

CPC classification number: G07C5/008 ,  H04W72/25 ,  B60W60/001

Abstract: A method for performing reinforcement learning by a V2X communication device in an autonomous driving system, specifically, a method for performing reinforcement learning in consideration of an application rate of a reward according to age in terms of the freshness of a reward for an action, is proposed. An agent transmits an action message and controls a reflection rate of a reward through AoI management for a reward message, so that rewards transmitted from a plurality of devices are suitably reflected in an environment of a reinforcement learning-based autonomous driving system, and an optimal policy can be found accordingly.