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.

公开(公告)号：US20230318691A1

公开(公告)日：2023-10-05

申请号：US18022436

申请日：2020-08-19

Applicant: LG ELECTRONICS INC.

Inventor： Kijun JEON ,  Sangrim LEE ,  Hojae LEE ,  Kyungho LEE ,  Ikjoo JUNG

IPC: H04B7/08 ,  H04B7/0413 ,  G06N3/08

CPC classification number: H04B7/0868 ,  H04B7/0413 ,  G06N3/08

Abstract: Disclosed is a method for controlling, by a terminal, an operation of a deep neural network in a wireless communication system. The method according to an embodiment of the present disclosure receives a downlink from abase station in a wireless communication system; and preprocesses the downlink on the basis of the result of an operation of a deep neural network of a terminal, wherein at least one reference signal is applied to the downlink while a statistical feature related to noise of the downlink are maintained. The terminal of the present disclosure may 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：US20230318662A1

公开(公告)日：2023-10-05

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

CPC classification number: 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：US20230283384A1

公开(公告)日：2023-09-07

申请号：US18003955

申请日：2020-07-02

Applicant: LG ELECTRONICS INC.

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

IPC: H04B10/70

CPC classification number: H04B10/70

Abstract: The present specification provides a method and a device, the method, performed by a device, for transmitting a first pulse train in a quantum communication system being characterized by: receiving a random access (RA) preamble from another device; transmitting an RA response (RAR) to the other device as a response to the RA preamble; performing a radio resource control (RRC) connection process with the other device; receiving data from the other device; and decoding the data on the basis of key information, wherein a first pulse train is generated in a laser diode of the device, and the key information is determined on the basis that the first pulse train passes through both a first path and a second path and is then transmitted from the device to the other device via a quantum channel.

公开(公告)号：US20230236278A1

公开(公告)日：2023-07-27

申请号：US18002210

申请日：2020-06-19

Applicant: LG ELECTRONICS INC.

Inventor： Sangrim LEE ,  Hojae LEE ,  Kijun JEON

IPC: G01S3/04 ,  G01S3/48

CPC classification number: G01S3/043 ,  G01S3/48

Abstract: Provided are a device and a method for estimating an angle of arrival (AoA) and an angle of departure (AoD) in a communication system having 1-bit quantization.

公开(公告)号：US20230179465A1

公开(公告)日：2023-06-08

申请号：US18000352

申请日：2020-06-01

Applicant: LG ELECTRONICS INC.

Inventor： Hojae LEE ,  Sangrim LEE ,  Bonghoe KIM ,  Sunam KIM ,  Kijun JEON ,  Byungkyu AHN

IPC: H04L27/26 ,  H04B10/11 ,  H04B10/40 ,  H04L7/00

CPC classification number: H04L27/2662 ,  H04B10/11 ,  H04B10/40 ,  H04L7/0075

Abstract: The present specification provides a method, performed by a device, for transmitting information about a pencil beam timing offset in a wireless optical communication system, in which a reference synchronization time is obtained, wherein the reference synchronization time is obtained on the basis of a cell-reference synchronization signal (C-RSS) received from another device, a peak energy time is obtained, the pencil beam timing offset is obtained on the basis of the reference synchronization time and the peak energy time, and information about the pencil beam timing offset is transmitted to the other device.

公开(公告)号：US20220085884A1

公开(公告)日：2022-03-17

申请号：US17425210

申请日：2019-01-30

Applicant: LG Electronics Inc.

Inventor： Hojae LEE ,  Dongkyu KIM ,  Bonghoe KIM ,  Sangrim LEE ,  Woonghee LEE ,  Kijun JEON

IPC: H04B10/116 ,  H04B10/54 ,  H04B10/69

Abstract: Proposed is a signal transmission method for a transmitting end performing visible light communication. The signal transmission method for a transmitting end performing visible light communication comprises: a step of modulating a signal; and a step of applying analog dimming control on the modulated signal and transmitting same. Meanwhile, the analog dimming control may include biasing of the modulated signal, and scaling of the modulated signal.