公开(公告)号：US10091753B2

公开(公告)日：2018-10-02

申请号：US15417022

申请日：2017-01-26

Applicant: LG ELECTRONICS INC.

Inventor： Sangrim Lee ,  Kwangseok Noh ,  Dongkyu Kim ,  Hojae Lee ,  Myeongjin Kim

IPC: H04W56/00 ,  H04L12/26 ,  H04W74/08 ,  H04L27/26 ,  H04W28/02

Abstract: A method of transmitting a signal by adaptively controlling windowing or filtering by a user equipment in a wireless communication system, includes the steps of receiving a message including a timing advance (TA) value from a base station, determining a windowing type or a filtering type corresponding to the TA value, and transmitting an uplink signal to which the determined windowing type is applied. In this case, the windowing type is distinguished according to a length of a valid symbol and the filtering type can be distinguished according to a filter coefficient value.

公开(公告)号：US10028228B2

公开(公告)日：2018-07-17

申请号：US15230303

申请日：2016-08-05

Applicant: LG ELECTRONICS INC.

Inventor： Kwangseok Noh ,  Dongkyu Kim ,  Hyunsoo Ko ,  Sangrim Lee ,  Hojae Lee

IPC: H04L5/14 ,  H04W52/14 ,  H04W52/32 ,  H04W52/24 ,  H04W52/36

Abstract: A method of transmitting a power control factor by a device performing self-interference cancellation (SIC) in a wireless communication system using full-duplex radio (FDR) according to the present invention includes: transmitting, to a user equipment (UE), a first indicator indicating a power control for purpose of reducing an order to be considered as nonlinear components of a self-interference signal; and receiving, from the UE, a second indicator indicating whether the power control for the purpose of reducing the order to be considered as the nonlinear components of the self-interference signal is accepted or not in response to the first indicator.

公开(公告)号：US20180062824A1

公开(公告)日：2018-03-01

申请号：US15556705

申请日：2015-10-14

Applicant: LG ELECTRONICS INC.

Inventor： Kwangseok Noh ,  Hyunsoo Ko ,  Kukheon Choi ,  Dongkyu Kim ,  Sangrim Lee

IPC: H04L5/16 ,  H04B17/336 ,  H04B17/18

CPC classification number: H04L5/16 ,  H04B17/18 ,  H04B17/336 ,  H04L5/0023 ,  H04L5/006 ,  H04L5/143 ,  H04W88/02 ,  H04W88/08

Abstract: A method for selecting, by a base station, HD mode or FD mode in a wireless communication system supporting an FDR scheme may comprise: a step of receiving, from a second terminal which receives interference from a first terminal, a value related to the signal to noise ratio (SNR) of the second terminal and a value related to the signal-to-interference-plus-noise ratio (SINR) of the second terminal; a step of measuring the SNR value and the SINR value of the base station; a step of calculating the channel capacity ratio between the HD mode and the FD mode by using the received value related to the SNR of the second terminal, the received value related to the SINR of the second terminal, the measured SNR value of the base station, and the measured SINR value of the base station; and a step of selecting either mode on the basis of the calculated channel capacity ratio between the HD mode and the FD mode.

公开(公告)号：US09876589B2

公开(公告)日：2018-01-23

申请号：US15513062

申请日：2015-06-02

Applicant: LG ELECTRONICS INC.

Inventor： Genebeck Hahn ,  Jaehoon Chung ,  Eunjong Lee ,  Jinmin Kim ,  Kukheon Choi ,  Kwangseok Noh ,  Sangrim Lee

IPC: H04J11/00 ,  H04B17/24 ,  H04B17/345 ,  H04W16/28 ,  H04W24/10

CPC classification number: H04B17/24 ,  H04B17/345 ,  H04J11/0026 ,  H04W16/24 ,  H04W16/28 ,  H04W24/10

Abstract: According to one embodiment of the present invention, a method by which a fixed base station adjusts inter-cell interference in a wireless communication system comprises the steps of: receiving channel state information-reference signal (CSI-RS) configurations on an access link of each moving cell connected to the fixed base station; determining the CSI-RS configuration on a backhaul link of a first moving cell among the moving cells on the basis of the CSI-RS configurations on the access link; and providing, to the first moving cell, the CSI-RS configuration on the determined backhaul link, wherein the CSI-RS configuration on the determined backhaul link is for measuring, by the backhaul link of the first moving cell, the interference received from an access link of a second moving cell among the moving cells.

公开(公告)号：US09755871B1

公开(公告)日：2017-09-05

申请号：US15448448

申请日：2017-03-02

Applicant: LG ELECTRONICS INC.

Inventor： Sangrim Lee ,  Hojae Lee ,  Dongkyu Kim ,  Kwangseok Noh

IPC: H04B15/00 ,  H04L27/14 ,  H04L25/02

CPC classification number: H04L25/0204 ,  H04L5/0048 ,  H04L25/0226 ,  H04L25/0228 ,  H04W52/04

Abstract: A method of demodulating a channel by a user equipment in a wireless communication system, include the steps of receiving information including a total power value of reference signals (RSs), a power difference value between power of a first RS for control information and a power of a second RS for data among the RSs, a port number of an additional RS, a cyclic shift (CS) value of the additional RS, and a power value of the additional RS and a power difference value between second RSs for the control information, performing channel estimation on a first channel on which the additional RS is received and a second channel received from a port identical to the port number of the additional RS and the second channel on which the first RS to which a CS value different from the CS value of the additional RS is applied is received, obtaining a power difference value between the power of the additional RS and the power of the first RS based on the channel estimation of the first and the second channels, and determining a number of rank of the second RS based on the total power value of the RSs, the power value of the additional RS, a power difference value between the power of the first RS and the power of the second RS, the obtained power difference value between the power of the additional RS and the power of the first RS, and the power difference value between the power of the second RSs.

公开(公告)号：US12238777B2

公开(公告)日：2025-02-25

申请号：US17830765

申请日：2022-06-02

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：US12130370B2

公开(公告)日：2024-10-29

申请号：US17053024

申请日：2018-07-03

Applicant: LG ELECTRONICS INC.

Inventor： Sangrim Lee ,  Hanbyul Seo ,  Sukhyon Yoon ,  Hojae Lee ,  Hyukjin Chae

IPC: H04B17/00 ,  G01S5/02 ,  G01S5/06 ,  H04L5/00 ,  H04L27/26 ,  H04W56/00 ,  H04W64/00

CPC classification number: G01S5/0246 ,  G01S5/06 ,  H04L5/0005 ,  H04W56/005 ,  H04W56/0065 ,  H04W64/006

Abstract: A method for a first wireless device receiving a reference signal for measuring a distance in a wireless communication system, according to one embodiment of the present invention, may comprise the steps of: receiving, from a second wireless device, a first reference signal comprising a first sinusoidal signal having a first angular frequency and a first initial phase value, and a second sinusoidal signal having a second angular frequency and a second initial phase value; acquiring the phase difference between the first sinusoidal signal and the second sinusoidal signal on the basis of a fast Fourier transform (FFT) performed on the first reference signal; correcting the phase difference on the basis of the first initial phase value and the second initial phase value; and transmitting, to the second wireless device, a second reference signal for measuring a distance, and a third reference signal representing information on the corrected phase difference.

公开(公告)号：US11991024B2

公开(公告)日：2024-05-21

申请号：US17624202

申请日：2019-07-03

Applicant: LG ELECTRONICS INC.

Inventor： Sangrim Lee ,  Byounghoon Kim

IPC: H04L25/02 ,  H04B7/0413 ,  H04B17/30 ,  H04L1/20 ,  H04L25/49 ,  H04L27/22

CPC classification number: H04L25/0226 ,  H04B7/0413 ,  H04B17/30 ,  H04L1/20 ,  H04L25/49 ,  H04L27/22

Abstract: A method for transmitting and receiving a signal in a wireless communication system and an apparatus therefor are disclosed in the present disclosure. Specifically, a method for transmitting and receiving a signal by a receiving apparatus in a wireless communication system, according to an embodiment of the present disclosure, may comprise the steps of: continuously receiving a plurality of reference signals from a transmitting apparatus; sorting the ranges of channel phases on the basis of the plurality of reference signals; grouping the ranges of the channel phases into two or more groups; and receiving a data signal from the transmitting apparatus.

公开(公告)号：US11917686B2

公开(公告)日：2024-02-27

申请号：US17605518

申请日：2020-04-29

Applicant: LG ELECTRONICS INC.

Inventor： Seonwook Kim ,  Sukhyon Yoon ,  Hyunsoo Ko ,  Byounghoon Kim ,  Suckchel Yang ,  Hanbyul Seo ,  Changhwan Park ,  Sangrim Lee ,  Hyunsu Cha

IPC: H04W74/08 ,  H04L5/00 ,  H04W56/00

CPC classification number: H04W74/0816 ,  H04L5/0051 ,  H04W56/0045 ,  H04W74/0866

Abstract: The present disclosure relates to a wireless communication system, and specifically provides a method and a device therefor, the method comprising: receiving first configuration information for transmitting a sounding reference signal (SRS); performing a channel access procedure (CAP) on the basis of the first configuration information; acquiring a time period for the SRS transmission from an Nth symbol on the basis of a successful CAP in the Nth symbol; performing the SRS transmission within the time period; transmitting, within the time period, second configuration information for triggering positioning reference signal (PRS) transmission in at least one base station included in a cell group; and receiving a PRS from the at least one base station within the time period.

公开(公告)号：US20230422054A1

公开(公告)日：2023-12-28

申请号：US18024889

申请日：2020-09-07

Applicant: LG ELECTRONICS INC.

Inventor： Kijun Jeon ,  Sangrim Lee ,  Hojae Lee ,  Yeongjun Kim ,  Sungjin Kim

IPC: H04W24/02 ,  H04W74/08

CPC classification number: H04W24/02 ,  H04W74/0833

Abstract: Disclosed is a method by which a base station performs federated learning in a wireless communication system. A method, according to one embodiment of the present disclosure, comprises: receiving, by a base station, a plurality of local parameters from a plurality of terminals; obtaining an integrated parameter on the basis of the plurality of local parameters; and transmitting the integrated parameter to each of the plurality of terminals, wherein at least one bias included in the plurality of local parameters is removed by using the plurality of local parameters. The base station/terminals of the present disclosure may be linked to an artificial intelligence, module, an unmanned aerial vehicle (UAV), a robot, an augmented reality (AR) device, a virtual reality (VR) device, a device related to a 6G service, and the like.