公开(公告)号：US20250151125A1

公开(公告)日：2025-05-08

申请号：US19018719

申请日：2025-01-13

Applicant: LG Electronics Inc.

Inventor： Daesung HWANG ,  Kijun KIM ,  Hyunsoo KO ,  Suckchel YANG ,  Sangrim LEE ,  Seungmin LEE ,  Ilmu BYUN

IPC: H04W74/0833 ,  H04L5/00 ,  H04W56/00

Abstract: Disclosed in the present application is a method for a terminal performing a random access procedure in a wireless communication system. Specifically, the method for performing a random access procedure comprises the steps of: transmitting, to a base station, a plurality of random access signals corresponding to a plurality of different beams in a transmission interval corresponding to the corresponding random access signal; receiving a random access response signal corresponding to one random access signal of the plurality of random access signals; and transmitting and receiving a signal to and/or from the base station, using a beam corresponding to the one random access signal, wherein the plurality of random access signals comprise identifier information of the terminal.

公开(公告)号：US20250141515A1

公开(公告)日：2025-05-01

申请号：US18692252

申请日：2021-09-17

Applicant: LG ELECTRONICS INC.

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

IPC: H04B7/06 ,  H04W24/10

Abstract: The present disclosure relates to a method and an apparatus for operating in a wireless communication system, the method comprising the operations of: receiving configuration information related to CSI prediction; and deriving predicted CSI for a second time point later than a first time point from CSI for the first time point, based on the configuration information, wherein based on the predicted CSI satisfying an event, actual CSI for the second time point, measured from a reference signal is transmitted, and wherein based on the predicted CSI not satisfying the event, CSI reporting for the second time point is dropped.

公开(公告)号：US20250106120A1

公开(公告)日：2025-03-27

申请号：US18728340

申请日：2022-01-13

Applicant: LG ELECTRONICS INC.

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

IPC: H04L41/16 ,  H04W24/02

Abstract: A reception device may perform end-to-end training in a wireless communication system. The reception device may: receive transmission neural network information including configuration of a transmission neural network from a transmission device; receive a plurality of training symbols for the transmission neural network from the transmission device; determine a gradient for the transmission neural network on the basis of the transmission neural network information and the plurality of training symbols; and feed the gradient back to the transmission device.

公开(公告)号：US20250038846A1

公开(公告)日：2025-01-30

申请号：US18715054

申请日：2022-11-29

Applicant: LG ELECTRONICS INC.

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

IPC: H04B10/079 ,  H04B10/70 ,  H04L9/08

Abstract: The present disclosure relates to a quantum communication system. Particularly, the present disclosure relates to a device and a method for performing two-step quantum secure direct communication (QSDC) with a reduced complexity without measuring a quantum memory and a bell state of a receiver in a quantum communication system.

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：US20250007582A1

公开(公告)日：2025-01-02

申请号：US18697654

申请日：2021-10-01

Applicant: LG Electronics Inc.

Inventor： Minseok JO ,  Sangrim LEE ,  Bonghoe KIM ,  Ikjoo JUNG ,  Hojae LEE

IPC: H04B7/06 ,  H04L5/00

Abstract: The present disclosure provides a method for reporting, by a terminal, channel state information (CSI) in a wireless communication system. More specifically, the method includes: receiving, from a base station, a pilot signal related to calculation of a quantization rule, in which the quantization rule is determined based on an empirical distribution of an encoder neural network output of the terminal; transmitting, to the base station, quantization rule information related to the quantization rule calculated based on the pilot signal; and receiving, from the base station, information on a gradient calculated based on the quantization rule information, and the quantization rule information includes information on an empirically calculated variance with respect to the empirical distribution of the encoder neural network output.

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.

公开(公告)号：US20240340044A1

公开(公告)日：2024-10-10

申请号：US18695260

申请日：2021-09-28

Applicant: LG ELECTRONICS INC.

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

IPC: H04B7/0408 ,  H04B7/06

CPC classification number: H04B7/0408 ,  H04B7/06952

Abstract: A method performed by means of 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 first signal to which a first specific beam is applied; transmitting, to the second wireless device, a second signal to which a second specific beam is applied; receiving, from the second wireless device, feedback information generated on the basis of the first signal and the second signal; and determining, on the basis of the feedback information, a beam related to the second wireless device.