公开(公告)号：US20250097119A1

公开(公告)日：2025-03-20

申请号：US18726926

申请日：2022-01-06

Applicant: LG ELECTRONICS INC.

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

IPC: H04L41/16 ,  H04W24/02

Abstract: The communication device can perform hierarchical transfer learning (TL). The communication device may comprise: receiving information about channel characteristics from a plurality of user equipments including a first user equipment; mapping the plurality of user equipments to a plurality of TL levels and a plurality of groups for each of the plurality of TL levels on the basis of the information about the channel characteristics; and training a neural network of the first user equipment on the basis of the TL levels and the groups to which the plurality of user equipments is mapped. Training of the neural network of the first user equipment can comprise training a training portion for a first TL level from among TL levels to which the first user equipment is mapped.

公开(公告)号：US20250008449A1

公开(公告)日：2025-01-02

申请号：US18294877

申请日：2021-08-03

Applicant: LG Electronics Inc.

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

IPC: H04W52/32 ,  H04L1/00 ,  H04L41/16

Abstract: Proposed are a method for performing federated learning in a wireless communication system, and an apparatus therefor. The method performed by a terminal may comprise the steps of: generating a Q-ary code including i) a restriction-based system part and ii) a parity part by coding restriction-based Q-ary information; determining, on the basis of a preset method, the number T of transmissions of the parity part of the Q-ary code; on the basis of specific channel information from among channel information between a plurality of terminals and a base station participating in the federated learning, allocating power to the system part and T parity parts; and transmitting, on the basis of the allocated power, the system part and the T parity parts to the base station.

公开(公告)号：US20240394602A1

公开(公告)日：2024-11-28

申请号：US18687698

申请日：2021-09-01

Applicant: LG ELECTRONICS INC.

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

IPC: G06N20/00

Abstract: The present specification provides a method by which a plurality of terminals perform federated learning in a wireless communication system. More particularly, the method performed by one terminal comprises the steps of: receiving, from a base station, a first downlink signal for requesting information regarding learning data for the federated learning, which is used by the one terminal; transmitting, to the base station, the information regarding the learning data on the basis of a type of learning data, the information regarding the learning data being information related to the distribution of the learning data used by the one terminal; receiving, from the base station, a second downlink signal including parameter information regarding a parameter related to a configuration for performing the federated learning, which has been determined on the basis of the learning data; and performing the federated learning on the basis of the information regarding the parameter.

公开(公告)号：US20240223407A1

公开(公告)日：2024-07-04

申请号：US18563196

申请日：2021-05-21

Applicant: LG Electronics Inc.

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

IPC: H04L25/02 ,  G06N3/098 ,  H04W72/23

CPC classification number: H04L25/024 ,  G06N3/098 ,  H04L25/0204 ,  H04W72/23

Abstract: The present disclosure provides a method of performing, by a plurality of user equipments (UEs), a federated learning in a wireless communication system. More specifically, the method performed by one UE of the plurality of UEs comprises receiving, from a base station (BS), control information related to a scheduling of a resource on which the one UE repeatedly transmits a local parameter of the one UE, wherein a global parameter for the federated learning is updated based on respective local parameters of the plurality of UEs: transmitting, to the BS, a first signal including the local parameter of the one UE on a first resource scheduled based on the control information; and transmitting, to the BS, a second signal including the local parameter of the one UE on a second resource that is scheduled based on the control information and is different from the first resource, wherein the first signal and the second signal are transmitted based on the first signal and the second signal being in a complex conjugate relationship.

公开(公告)号：US20220295305A1

公开(公告)日：2022-09-15

申请号：US17753326

申请日：2020-09-01

Applicant: LG ELECTRONICS INC.

Inventor： Jinyup HWANG ,  Youngdae KIM ,  Manyoung JUNG ,  Sangwook LEE ,  Yeongjun KIM

IPC: H04W16/28 ,  H04W24/10 ,  H04B17/318

Abstract: In order to achieve the above purpose, a disclosure of the present specification provides a method for communicating, by a first transmission terminal, with a first reception terminal. The method may comprise the steps of: receiving, by the first transmission terminal, a measurement report from the first reception terminal, wherein the measurement report includes a result of measuring, by the first reception terminal, a first signal strength from the first transmission terminal and a second signal strength from a second transmission terminal; on the basis of a difference between the first signal strength and the second signal strength, determining whether or not to change and assign a resource to be used for communication with the first reception terminal; and communicating with the first reception terminal by assigning the resource for communication with the first reception terminal.

公开(公告)号：US20220166568A1

公开(公告)日：2022-05-26

申请号：US17432641

申请日：2020-01-14

Applicant: LG Electronics Inc.

Inventor： Yeongjun KIM ,  Youngdae KIM

IPC: H04L5/00 ,  H04W4/44

Abstract: Various embodiments provide a method for performing beam sweeping by a user equipment (UE) in a wireless communication system supporting a sidelink, and a device therefor. Disclosed are a method for performing beam sweeping and a device therefor, the method comprising the steps of: forming a first group for performing the beam sweeping; receiving group information related to the first group; and performing beam sweeping on the basis of the group information, wherein the group information includes area allocation information for a plurality of areas divided on the basis of the number of a plurality of beams that can be formed by UEs included in the first group, and the beam sweeping is performed only within a first area, which has been pre-configured in response to the UEs, from among the plurality of areas.

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：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：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.