公开(公告)号：US20250007587A1

公开(公告)日：2025-01-02

申请号：US18710036

申请日：2021-11-17

Applicant: LG ELECTRONICS INC.

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

IPC: H04B7/06 ,  H04B17/391

Abstract: A transmission device in a wireless communication system: determines an encoder having S outputs from among encoders supported by the transmission device, on the basis of the number B of feedback bits, wherein B=S×Q; encodes CSI through the encoder to output S real number values; determines B-bit encoded CSI including Q bits indicating the S real number values, respectively; and transmits the B-bit encoded CSI. The encoders may have different numbers of outputs from each other, and the different numbers of outputs may be predetermined for different feedback bit number ranges.

公开(公告)号：US20240267133A1

公开(公告)日：2024-08-08

申请号：US18290639

申请日：2021-07-21

Applicant: LG Electronics Inc.

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

IPC: H04B10/85

CPC classification number: H04B10/85

Abstract: The present specification provides a quantum secure direct communication (QSDC) method by which a transmitting end transmits a message on the basis of differential time coding, in a quantum communication system. More specifically, the method comprises the steps of: receiving, from a receiving end on a quantum channel, (i) at least one initial time state configured by including a time interval equal to a dead time of a single photon detector of the receiving end and (ii) at least one initial phase state; receiving, from the receiving end on a classical channel, time state location information for selecting a specific initial time state for encoding of information transmitted to the receiving end; selecting the specific initial time state for the encoding, on the basis of the time state location information: generating an encoding time state by encoding the information on the basis of the selected specific initial time state, the encoding time state being generated by applying a time shift on the basis of a value of the information being encoded; and transmitting a message including the encoding time state to the receiving end through the quantum channel, wherein the message is restored on the basis of a time difference between information on the at least one initial time state stored in the receiving end and information on the encoding time state.

公开(公告)号：US20240106507A1

公开(公告)日：2024-03-28

申请号：US18265109

申请日：2020-12-04

Applicant: LG Electronics Inc.

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

IPC: H04B7/06 ,  H04B17/391

CPC classification number: H04B7/0626 ,  H04B7/0632 ,  H04B7/0639 ,  H04B17/3913

Abstract: The present specification provides a method fir transmitting learning class information, the method being performed by a terminal in a wireless communication system and comprising the steps of transmitting a random access (RA) preamble to a base station; receiving a random access response (RAR) from the base station in response to the RA preamble; performing a radio resource control (RRC) connection procedure with the base station; determining the learning class information, wherein the learning class information is information about the degree of performance improvement in online learning, and the online learning is artificial intelligence (AI) algorithm-based learning following the activation of the wireless communication system; transmitting the learning class information to the base station; and performing channel state information (CSI) feedback according to the learning class information.

公开(公告)号：US20240073732A1

公开(公告)日：2024-02-29

申请号：US18033876

申请日：2021-10-28

Applicant: LG ELECTRONICS INC.

Inventor： Ikjoo JUNG ,  Sangrim LEE ,  Jayeong KIM ,  Taehyun LEE

IPC: H04W28/02 ,  G06N3/09 ,  H04L5/00 ,  H04W72/21

CPC classification number: H04W28/0236 ,  G06N3/09 ,  H04L5/0057 ,  H04W72/21

Abstract: In order to provide device and method for adjusting split point in wireless communication system, a method of operating a terminal in a wireless communication system may comprise requesting a base station for uplink channel quality information, receiving, from the base station, the uplink channel quality information, determining a first split point based on the channel quality information, performing first split inference based on the determined first split point and transmitting, to the base station, first split inference result information.

公开(公告)号：US20240054351A1

公开(公告)日：2024-02-15

申请号：US18266569

申请日：2021-12-06

Applicant: LG ELECTRONICS INC.

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

IPC: G06N3/098 ,  H04W72/04

CPC classification number: G06N3/098 ,  H04W72/04

Abstract: Disclosed herein is a method of operating a terminal according to an embodiment, including: receiving, by the terminal, federated learning-related configuration information; learning, by the terminal, a local model based on the federated learning-related configuration information; receiving, by the terminal, a local model weight request message; transmitting a first response message based on the received weight request message; receiving information associated with a total local model based on the first response message; transmitting a second response message based on the received information associated with the total local model; receiving resource allocation-related information based on the second response message; and performing federated learning based on the received resource allocation-related information.

公开(公告)号：US20240007849A1

公开(公告)日：2024-01-04

申请号：US18039878

申请日：2021-11-30

Applicant: LG Electronics Inc.

Inventor： Kyung Ho LEE ,  Sangrim LEE ,  Yeong Jun KIM ,  Sungjin KIM

IPC: H04W12/02 ,  H04W72/04

CPC classification number: H04W12/02 ,  H04W72/04

Abstract: The present disclosure relates to a method of operating a terminal according to an embodiment, including receiving, by the terminal, federated learning-related configuration information from a base station, configuring, by the terminal, a resource associated with federated learning based on the federated learning-related configuration information, transmitting, by the terminal, a differential privacy level to the base station, receiving, by the terminal, the differential privacy-related information from the base station, generating, by the terminal, a pseudo random sequence based on the differential privacy-related information, and transmitting, by the terminal, data to the base station based on the pseudo random sequence. The differential privacy-related information is based on the differential privacy level. The data is transmitted based on the configured resource.

公开(公告)号：US20230300895A1

公开(公告)日：2023-09-21

申请号：US18023127

申请日：2020-08-24

Applicant: LG Electronics Inc.

Inventor： Yeongjun KIM ,  Kijun JEON ,  Kyungho LEE ,  Sangrim LEE ,  Sungjin KIM

IPC: H04W74/08 ,  H04W76/10 ,  H04W74/00

CPC classification number: H04W74/0833 ,  H04W76/10 ,  H04W74/006

Abstract: The present specification discloses a method and device. The method, which is for transmitting side information in a wireless communication system and performed by a terminal, comprises the steps of: transmitting a random access (RA) preamble to a base station; receiving a random access response (RAR) from the base station; performing a radio resource control (RRC) connection procedure with the base station; and establishing a digital transmission link with the base station, wherein the terminal acquires local gradient information about at least one resource, acquires side information from the local gradient information, and transmits the side information to the base station via the digital transmission link.

公开(公告)号：US20230299950A1

公开(公告)日：2023-09-21

申请号：US18023281

申请日：2020-08-24

Applicant: LG ELECTRONICS INC.

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

IPC: H04L9/08 ,  H04L1/20 ,  H03M13/11 ,  G06N3/084

CPC classification number: H04L9/0852 ,  H04L1/203 ,  H03M13/11 ,  G06N3/084

Abstract: The present specification provides a method for estimating a quantum bit error rate (QBER) for key information, performed by a device in a quantum cryptography communication system, the method and device being characterized by: receiving a random access (RA) preamble from another device; transmitting a random access response (RAR) to the other device, in 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 the key information, wherein the key information is determined on the basis of estimation of the QBER, and the device estimates the QBER on the basis of first two-dimensional parity information received from the other device through a public channel.

公开(公告)号：US20230216592A1

公开(公告)日：2023-07-06

申请号：US17928146

申请日：2020-05-28

Applicant: LG ELECTRONICS INC.

Inventor： Hojae LEE ,  Sangrim LEE ,  Kijun JEON

IPC: H04B10/508 ,  H04B10/11 ,  H04B10/50

CPC classification number: H04B10/508 ,  H04B10/11 ,  H04B10/503

Abstract: The present specification provides a method and apparatus, the method being for transmitting a beam, performed by the apparatus, in an optical wireless communication system, and comprising: generating a pulse laser signal; making the pulse laser signal to be incident on a metasurface, wherein the beam is generated on the basis that the pulse laser signal is incident on the metasurface; and transmitting the beam to a reception apparatus, wherein the metasurface is determined on the basis of ω_0, d, Δω, and N, wherein ω_0 is a value of a center frequency, d is a value of a virtual antenna interval, Δω is a value of a frequency comb interval, and N is a value related to the number of frequency combs present within a gain bandwidth based on the center frequency.

公开(公告)号：US20220393918A1

公开(公告)日：2022-12-08

申请号：US17767025

申请日：2019-10-07

Applicant: LG ELECTRONICS INC.

Inventor： Sangrim LEE ,  Hojae LEE

IPC: H04L27/227 ,  H04L5/00 ,  H04L27/20

Abstract: Disclosed are a multi-layer transmission and reception method in a communication system based on 1-bit quantization in a wireless communication system, and an apparatus for supporting same. Particularly, a method by which a first device transmits and receives a signal in a wireless communication system comprises the steps of: receiving a reference signal (RS) from a second device; generating a demodulation reference vector on the basis of the RS; and receiving a data signal from the second device by using the demodulation reference vector, wherein the RS can be generated differently according to the modulation of the data signal.