公开(公告)号：US12074666B2

公开(公告)日：2024-08-27

申请号：US17629331

申请日：2020-07-23

Applicant: LG ELECTRONICS INC. ,  SOGANG UNIVERSITY RESEARCH FOUNDATION

Inventor： Haewook Park ,  Wonjae Ryoo ,  Wonjin Sung ,  Jonghyun Park

IPC: H04B7/0456 ,  H04B7/06 ,  H04B17/318 ,  H04L5/00 ,  H04W24/08

CPC classification number: H04B7/0456 ,  H04L5/0048 ,  H04W24/08

Abstract: Disclosed are a method for reporting channel state information (CSI) in a wireless communication system, and a device therefor. Specifically, a method for reporting CSI by a user equipment (UE) in a wireless communication system comprises the step of: receiving a CSI-related reference signal; measuring CSI on the basis of the reference signal and a codebook; and reporting the CSI, wherein reception and transmission operations of the UE are performed on the basis of a three-dimensionally shaped antenna array formed by arranging a plurality of antenna elements in a three-dimensional configuration, the antenna array comprises a plurality of antenna elements, and the codebook is generated on the basis of the path difference between the distance from the origin, which is the center of the three-dimensional shape, to the UE and the distance from a specific antenna element to the UE.

公开(公告)号：US12021589B2

公开(公告)日：2024-06-25

申请号：US17422268

申请日：2020-01-10

Applicant: LG ELECTRONICS INC.

Inventor： Jaehoon Chung ,  Haewook Park ,  Jiwon Kang

IPC: H04B7/06 ,  H04B7/0456 ,  H04W72/21

CPC classification number: H04B7/0626 ,  H04B7/0456 ,  H04W72/21

Abstract: The disclosure discloses a method for reporting channel state information (CSI) in a wireless communication system, and an apparatus therefor. Particularly, a method by which a user equipment (UE) reports channel state information (CSI) in a wireless communication system comprises the steps of: receiving, from a base station (BS), CSI-related configuration information; receiving, from the base station, a reference signal; calculating CSI on the basis of the reference signal; and transmitting the CSI to the base station, wherein the CSI includes information related to a codebook, the information related to the codebook includes a bitmap related to an amplitude coefficient and a phase coefficient, and the size of the bitmap may be set by multiplying the number of bases of a spatial domain for the CSI by the number of bases of a frequency domain for the CSI.

公开(公告)号：US12003297B2

公开(公告)日：2024-06-04

申请号：US17277791

申请日：2019-09-20

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae Kim ,  Haewook Park

IPC: H04B7/06 ,  H04B7/0417 ,  H04B7/0456

CPC classification number: H04B7/0626 ,  H04B7/0417 ,  H04B7/0486 ,  H04B7/0632 ,  H04B7/0639

Abstract: Disclosed according to the present disclosure are a method for transmitting/receiving channel state information in a wireless communication system, and an apparatus therefor. Method for reporting channel state information by a user equipment comprises the steps of: receiving CSI reporting-related configuration information; wherein a report for at least one of aperiodic CSI, periodic CSI, or semi-persistent CSI is configured based on the CSI reporting-related configuration information, calculating first information and second information for a channel quality; wherein the first information is calculated by applying a precoding matrix indicator (PMI) included in latest aperiodically reported CSI, and the second information is calculated by applying the PMI at a time of calculation of the second information, and determining at least one of whether to transmit a flag and a value of the flag; and transmitting CSI to the base station based on the first information and the flag.

公开(公告)号：US11968007B2

公开(公告)日：2024-04-23

申请号：US18093612

申请日：2023-01-05

Applicant: LG Electronics Inc.

Inventor： Haewook Park ,  Jonghyun Park

IPC: H04W8/24 ,  H04B7/0456 ,  H04B7/06 ,  H04L5/00 ,  H04W72/23

CPC classification number: H04B7/0482 ,  H04B7/0626 ,  H04B7/0639 ,  H04L5/0051 ,  H04W8/24 ,  H04W72/23

Abstract: A method of a UE transmitting a codebook based uplink signal in a wireless communication system, the method comprising: transmitting capability information about UE capability that maintains differences between phase values applied to antenna ports for uplink signal transmission; receiving configuration information for determining a codebook subset related to the uplink signal transmission based on the capability information; receiving DCI for determining a precoding matrix applied to the uplink signal transmission; determining a precoding matrix to be applied for the uplink signal transmission, based on the DCI, from the codebook subset determined based on the configuration information, and transmitting the uplink signal, based on the determined precoding matrix, wherein, based on that the differences between phase values are maintained at some antenna ports, the codebook subset includes at least one specific precoding matrix applying different phase values to the antenna ports included in some or all of some antennas.

公开(公告)号：US11956043B2

公开(公告)日：2024-04-09

申请号：US17277976

申请日：2019-09-23

Applicant: LG ELECTRONICS INC.

Inventor： Haewook Park ,  Jiwon Kang ,  Hyungtae Kim

IPC: H04B7/06 ,  H04B7/024 ,  H04L1/08 ,  H04L1/1607 ,  H04L1/1867 ,  H04L5/00 ,  H04W24/10 ,  H04W72/0453

CPC classification number: H04B7/0626 ,  H04B7/024 ,  H04L1/1614 ,  H04W24/10 ,  H04W72/0453

Abstract: A method of reporting, by a terminal, channel state information (CSI) includes: receiving first configuration information related to a channel state information (CSI) report of a first bandwidth part (BWP) from a first base station and second configuration information related to a CSI report of a second BWP from a second base station, in which the first BWP is composed of a plurality of first subbands including at least one first subband for the CSI report, and the second BWP is composed of a plurality of second subbands including at least one second subband for the CSI report; based on that the at least one first subband and the at least one second subband partially or entirely overlap, obtaining a first CSI for overlapping at least one subband; and reporting the first CSI to the first base station and the second base station.

公开(公告)号：US11950189B2

公开(公告)日：2024-04-02

申请号：US18161362

申请日：2023-01-30

Applicant: LG ELECTRONICS INC.

Inventor： Seongwon Go ,  Hyungtae Kim ,  Jiwon Kang ,  Haewook Park

IPC: H04W72/23 ,  H04W52/08 ,  H04W52/14

CPC classification number: H04W52/146 ,  H04W52/08 ,  H04W72/23

Abstract: Disclosed are a method and an apparatus for uplink transmission and reception in a wireless communication system. A method for transmitting an uplink channel according to an embodiment of the present disclosure may comprise the steps of: receiving downlink control information (DCI) from a base station; and transmitting the uplink channel to the base station on the basis of the DCI. N (N is a natural number) transmit power control (TCI) command values may be indicated by the DCI, and transmission power of the uplink channel may be determined on the basis of one of the N TPC command values.

公开(公告)号：US11871288B2

公开(公告)日：2024-01-09

申请号：US18162979

申请日：2023-02-01

Applicant: LG ELECTRONICS INC.

Inventor： Seokmin Shin ,  Haewook Park ,  Kijun Kim ,  Hyunsoo Ko ,  Suckchel Yang ,  Seonwook Kim

IPC: H04W4/00 ,  H04W36/00 ,  H04B7/185 ,  H04W36/08 ,  H04W56/00

CPC classification number: H04W36/0061 ,  H04B7/18513 ,  H04W36/08 ,  H04W56/0045

Abstract: A method and device for transmitting and receiving signals in a wireless communication system according to an embodiment of the present invention receive Random Access Channel (RACH) configurations, and transmit random access preambles on a specific RACH occasion (RO) on the basis of the RACH configurations. The number of reference points in a cell is derived on the basis of the number of the RACH configurations, and the reference points can have respective initial Timing Advance (TA) values for the RACH process.

公开(公告)号：US11871260B2

公开(公告)日：2024-01-09

申请号：US17290950

申请日：2019-11-04

Applicant: LG ELECTRONICS INC.

Inventor： Haewook Park ,  Jiwon Kang ,  Kijun Kim ,  Jaehoon Chung ,  Jonghyun Park

IPC: H04W24/10 ,  H04L5/00 ,  H04W24/08

CPC classification number: H04W24/10 ,  H04L5/0044 ,  H04L5/0053 ,  H04L5/0058 ,  H04W24/08

Abstract: The present invention relates to a method whereby user equipment (UE) transmits channel state information (CSI) in a wireless communication system and to a device therefor. According to the present invention, a terminal receives configuration information for CSI reporting from a base station and receives a reference signal from the base station on the basis of the configuration information. The terminal may receive downlink control information (DCI) via a physical downlink control channel (PDCCH), calculate CSI about a particular channel on the basis of the configuration information and the DCI, and report same to the base station.

公开(公告)号：US20230318782A1

公开(公告)日：2023-10-05

申请号：US18110717

申请日：2023-02-16

Applicant: LG ELECTRONICS INC.

Inventor： Seongwon Go ,  Hyungtae Kim ,  Jiwon Kang ,  Haewook Park

IPC: H04L5/00 ,  H04W72/1268 ,  H04W72/23

CPC classification number: H04L5/0051 ,  H04W72/1268 ,  H04W72/23

Abstract: Disclosed are a method and an apparatus for transmitting and receiving a PUSCH in a wireless communication system. A method of transmitting a PUSCH in a wireless communication system according to an aspect of the present disclosure may include: receiving, from a base station, configuration information related to an SRS, wherein the configuration information includes information on one or more SRS resource sets, and each of the one or more SRS resource sets includes a plurality of SRS resources; transmitting, to the base station, the SRS on a plurality of SRS resources in each of the one or more SRS resource sets; receiving, from the base station, DCI for scheduling the PUSCH for non-codebook based transmission, wherein the DCI includes one or more SRI fields; and transmitting, to the base station, the PUSCH based on the DCI.

公开(公告)号：US11736162B2

公开(公告)日：2023-08-22

申请号：US17470567

申请日：2021-09-09

Applicant: LG ELECTRONICS INC.

Inventor： Haewook Park ,  Kijun Kim ,  Sangrim Lee

IPC: H04B7/06 ,  H04B7/0456 ,  H04L5/00 ,  H04L27/26

CPC classification number: H04B7/0486 ,  H04B7/0617 ,  H04B7/0626 ,  H04B7/0632 ,  H04B7/0639 ,  H04B7/0658 ,  H04L5/0051 ,  H04L27/2636

Abstract: Disclosed are a method for transmitting and receiving channel state information in wireless communication system and an apparatus therefor. Specifically, a method for transmitting, by a user equipment (UE), Channel State Information (CSI) in a wireless communication system may include: receiving, from a base station, a channel state information reference signal (CSI-RS) through multiple antenna ports; and reporting, to the base station, CSI, in which the CSI may include selection information indicating a plurality of codewords used for generating a precoding matrix in a codebook for reporting the CSI, and a power coefficient, a phase offset, and a phase shift value applied to each of the plurality of codewords in terms of a configured bandwidth, and the precoding matrix may be generated in units of subbands within the configured bandwidth based on a linear combination of the power coefficient, the phase offset, and the phase change value.