公开(公告)号：US20240223407A1

公开(公告)日：2024-07-04

申请号：US18563196

申请日：2021-05-21

申请人： LG Electronics Inc.

发明人： Yeongjun KIM ,  Sangrim LEE ,  Kijun JEON ,  Taehyun LEE

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

CPC分类号： H04L25/024 ,  G06N3/098 ,  H04L25/0204 ,  H04W72/23

摘要： 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：US20230082053A1

公开(公告)日：2023-03-16

申请号：US17800042

申请日：2020-02-24

申请人： LG ELECTRONICS INC.

发明人： Kijun JEON ,  Sangrim LEE

IPC分类号： H04L25/02

摘要： According to the present document, a method by which a terminal receives data in a wireless communication system comprises: receiving a channel signal and a reference signal (RS) from a base station; generating a sequence by performing an operation of equalizing the RS to a channel RS; and decoding the received channel signal on the basis of the generated sequence, wherein the operation of equalizing the RS to the channel RS is based on a parameter determined according to a machine learning process.

公开(公告)号：US20240106507A1

公开(公告)日：2024-03-28

申请号：US18265109

申请日：2020-12-04

申请人： LG Electronics Inc.

发明人： Hojae LEE ,  Sangrim LEE ,  Kyungho LEE ,  Yeongjun KIM ,  Kijun JEON ,  Sungjin KIM

IPC分类号： H04B7/06 ,  H04B17/391

CPC分类号： H04B7/0626 ,  H04B7/0632 ,  H04B7/0639 ,  H04B17/3913

摘要： 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：US20230300895A1

公开(公告)日：2023-09-21

申请号：US18023127

申请日：2020-08-24

申请人： LG Electronics Inc.

发明人： Yeongjun KIM ,  Kijun JEON ,  Kyungho LEE ,  Sangrim LEE ,  Sungjin KIM

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

CPC分类号： H04W74/0833 ,  H04W76/10 ,  H04W74/006

摘要： 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：US20230216592A1

公开(公告)日：2023-07-06

申请号：US17928146

申请日：2020-05-28

申请人： LG ELECTRONICS INC.

发明人： Hojae LEE ,  Sangrim LEE ,  Kijun JEON

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

CPC分类号： H04B10/508 ,  H04B10/11 ,  H04B10/503

摘要： 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：US20220271776A1

公开(公告)日：2022-08-25

申请号：US17627434

申请日：2019-07-16

申请人： LG Electronics Inc.

发明人： Kijun JEON ,  Sangrim LEE

IPC分类号： H03M13/11 ,  H03M13/00 ,  H03M13/27

摘要： A method for performing low density parity check (LDPC) coding of a transmitter in a wireless communication system, according to the present disclosure, may comprise the steps of: acquiring a proto-matrix corresponding to a protograph; on the basis of weights and lifting factors of columns of the proto-matrix, acquiring one or more permuted vectors corresponding to each of the columns, a first permuted vector included in the one or more permuted vectors having been randomly generated; distributing the one or more permuted vectors for each row of a corresponding column; on the basis of the distributed one or more permuted vectors, acquiring a plurality of lifted sub matrices corresponding to a plurality of elements of the proto-matrix; generating a base graph on the basis of the plurality of lifted sub matrices; generating a parity check matrix (PCM) on the basis of the base graph; and performing LDPC coding by using the PCM.

公开(公告)号：US20240340044A1

公开(公告)日：2024-10-10

申请号：US18695260

申请日：2021-09-28

申请人： LG ELECTRONICS INC.

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

IPC分类号： H04B7/0408 ,  H04B7/06

CPC分类号： H04B7/0408 ,  H04B7/06952

摘要： 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.

公开(公告)号：US20230422308A1

公开(公告)日：2023-12-28

申请号：US18030800

申请日：2020-10-15

申请人： LG ELECTRONICS INC.

发明人： Sangrim LEE ,  Hojae LEE ,  Yeongjun KIM ,  Kijun JEON ,  Sungjin KIM

IPC分类号： H04W74/08 ,  G06N3/098

CPC分类号： H04W74/0833 ,  G06N3/098

摘要： A superposition-based method for transmitting and receiving signals in wireless communication is provided. Provided is a signal reception method performed by a base station which performs federated machine-learning in a wireless communication system, the signal reception method comprising the steps of: receiving an aggregated signal; demodulating the aggregated signal; and decoding the aggregated signal, wherein the decoding is performed on the basis of a codebook combining the respective codebooks of a plurality of terminals, the aggregated signal is obtained by superposition, on a wireless channel, of signals respectively transmitted from the plurality of terminals, and the respective signals include information about neural network parameters related to the federated machine-learning respectively performed by the plurality of terminals.

公开(公告)号：US20230397018A1

公开(公告)日：2023-12-07

申请号：US18030726

申请日：2020-10-15

申请人： LG ELECTRONICS INC.

发明人： Sangrim LEE ,  Hojae LEE ,  Yeongjun KIM ,  Kijun JEON ,  Sungjin KIM

IPC分类号： H04W24/02 ,  H04W74/08 ,  H04W74/00

CPC分类号： H04W24/02 ,  H04W74/0833 ,  H04W74/006

摘要： A signal transmission method performed by means of a terminal for performing federated learning in a wireless communication system is provided. According to the signal transmission method, the terminal receives downlink control information (DCI) from a base station, the DCI informing of a specific computation group ID and a modulation and coding scheme (MCS), modulates and encodes data on the basis of the MCS when the specific computation group ID is the same as a computation group ID allocated to the terminal, the data including a parameter related to the federated learning performed by the terminal, and transmits a signal including the data to the base station on the basis of the modulation and encoding.

公开(公告)号：US20230291476A1

公开(公告)日：2023-09-14

申请号：US18007277

申请日：2020-07-29

申请人： LG ELECTRONICS INC.

发明人： Hojae LEE ,  Sangrim LEE ,  Kijun JEON

IPC分类号： H04B10/40 ,  H04B10/11 ,  H04B10/50

CPC分类号： H04B10/40 ,  H04B10/11 ,  H04B10/503

摘要： The present specification provides a method for transmitting at least one beam, performed by a device, in a wireless communication system, in which the at least one beam is transmitted to another device and a measurement result of the at least one beam is received from the another device, wherein the at least one beam is a beam generated on the basis of a laser signal being incident on the metasurface, the laser signal passing through a phase controller or a delay controller before being incident on the metasurface.