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：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：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.

公开(公告)号：US20250023609A1

公开(公告)日：2025-01-16

申请号：US18711460

申请日：2022-11-07

Applicant: LG ELECTRONICS INC.

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

IPC: H04B7/06 ,  H04L5/00 ,  H04L41/16 ,  H04W52/36

Abstract: The present specification provides a method by which a terminal performs federated learning with a plurality of terminals in a wireless communication system. More specifically, the method performed by one terminal comprises the steps of: receiving, from a server, a channel state information reference signal (CSI-RS); transmitting, to the server, channel state information (CSI) calculated on the basis of the CSI-RS; receiving, from the server, (i) information about a global parameter for the federated learning and (ii) compression state information for determining a weight compression method of the one terminal on the basis of channel state information of each of channels between the server and the plurality of terminals; determining a weight compression scheme based on (i) a difference value between the global parameter and a global parameter received before receiving the global parameter and (ii) the compression state information; and transmitting, to the server, an updated local parameter on the basis of the determined weight compression scheme.

公开(公告)号：US20250016619A1

公开(公告)日：2025-01-09

申请号：US18712453

申请日：2022-11-07

Applicant: LG ELECTRONICS INC.

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

IPC: H04W28/06 ,  G06N3/098

Abstract: The present disclosure provides a method for one user equipment (UE) to perform federated learning with a plurality of UEs in a wireless communication system. More specifically, the method performed by the one UE comprises receiving, from a server, a channel state information reference signal (CSI-RS); transmitting, to the server, channel state information (CSI) calculated based on the CSI-RS; receiving, from the server, compression state information for determining a weight compression method of the one UE based on (i) information on a global parameter for the federated learning and (ii) channel state information of each of channels between the server and the plurality of UEs; determining the weight compression method based on (i) a difference between the global parameter and a global parameter received before a reception of the global parameter and (ii) the compression state information; and transmitting, to the server, a local parameter updated based on the determined weight compression method.

公开(公告)号：US20240414746A1

公开(公告)日：2024-12-12

申请号：US18702691

申请日：2022-10-17

Applicant: LG ELECTRONICS INC.

Inventor： Taehyun LEE ,  Sangrim LEE ,  Kijun JEON ,  Ikjoo JUNG ,  Yeongjun KIM

IPC: H04W72/51 ,  H04W56/00 ,  H04W72/04

Abstract: The present disclosure provides a device and method for performing, based on channel information, a device grouping for federated learning based AirCOMP of a non-IID data environment in a communication system. The present disclosure also provides a device and method for performing effective federated learning in a non-IID environment including multiple devices. The present disclosure also provides a device and method for performing a device grouping in consideration of channel environment factors in order to apply AirComp based federated learning to a real communication environment.

公开(公告)号：US20240396591A1

公开(公告)日：2024-11-28

申请号：US18689321

申请日：2021-09-07

Applicant: LG ELECTRONICS INC.

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

IPC: H04B7/0408 ,  H04B7/10 ,  H04W72/044

Abstract: A method performed by a first wireless device in a wireless communication system, according to one embodiment of the present specification, comprises the steps of: transmitting, to a second wireless device, a signal to which a specific beam is applied; receiving, from the second wireless device, feedback information generated on the basis of the signal; and determining, on the basis of the feedback information, a beam related to the second wireless device.