公开(公告)号：US11265050B2

公开(公告)日：2022-03-01

申请号：US16064792

申请日：2018-04-02

Applicant: LG ELECTRONICS INC.

Inventor： Haewook Park ,  Kijun Kim ,  Jonghyun Park ,  Jiwon Kang ,  Hyungtae Kim

IPC: H04W72/04 ,  H04B7/0456 ,  H04B7/06 ,  H04L5/00 ,  H04L5/10 ,  H04L25/02 ,  H04L27/26 ,  H04W80/08 ,  H04B7/0404 ,  H04W72/12

Abstract: A method for transmitting Physical Uplink Shared Channel (PUSCH) performed by a User Equipment (UE) in a wireless communication system may include receive downlink control information (DCI) for uplink (UL) transmission scheduling; and performing codebook based PUSCH transmission based on precoding information included in the DCI.

公开(公告)号：US11211977B2

公开(公告)日：2021-12-28

申请号：US16623248

申请日：2018-06-15

Applicant: LG Electronics Inc.

Inventor： Haewook Park ,  Jiwon Kang ,  Kijun Kim ,  Hyukjin Chae

IPC: H04W72/12 ,  H04B7/0456 ,  H04B7/06

Abstract: Disclosed are a codebook-based uplink transmission method in a wireless communication system and a device therefor. Particularly, a method for a user equipment (UE) performing codebook-based uplink transmission in a wireless communication system includes the steps of: receiving from a base station downlink control information (DCI) for physical uplink shared channel (PUSCH) scheduling including precoding information and the number of layers; determining a precoder on the basis of the precoding information and the number of layers; and transmitting a PUSCH to which the determined precoder is applied to the base station, wherein the DCI may further include an amplitude coefficient and a phase coefficient applied to the precoder.

公开(公告)号：US11095348B2

公开(公告)日：2021-08-17

申请号：US16993971

申请日：2020-08-14

Applicant: LG ELECTRONICS INC.

Inventor： Haewook Park ,  Jonghyun Park

IPC: H04W72/04 ,  H04B7/0456 ,  H04B7/06

Abstract: A method in which a UE transmits an uplink signal, based on a codebook, in a wireless communication system includes: receiving downlink control information (DCI) for determining a precoding matrix, which is applied to transmission of the uplink signal, from a base station; determining a precoding matrix that is applied to transmission of the uplink signal from a codebook subset related to transmission of the uplink signal, based on the DCI; and transmitting the uplink signal to the base station, based on the determined precoding matrix, in which, based on that differences of phase values applied to antenna ports for transmitting the uplink signal are changed in all pairs of antenna ports, the codebook subset includes at least one specific precoding matrix for full power transmission.

公开(公告)号：US11082864B2

公开(公告)日：2021-08-03

申请号：US16608809

申请日：2018-05-03

Applicant: LG ELECTRONICS INC.

Inventor： Minki Ahn ,  Jiwon Kang ,  Jonghyun Park ,  Kijun Kim ,  Haewook Park ,  Sukhyon Yoon

IPC: H04W16/28 ,  H04W24/10 ,  H04B17/318 ,  H04W76/11 ,  H04L5/00 ,  H04W56/00 ,  H04W80/08

Abstract: The present specification provides a method for transmitting and receiving a signal by means of a beam in a wireless communication system. Specifically, a method for a terminal for reporting beam-related information in a wireless communication system may comprise the steps of: receiving one or more particular signals for beam management from a base station; and reporting, to the base station, beam information for one or more beams on the basis of result of measurements by means of the one or more particular signals.

公开(公告)号：US20210143886A1

公开(公告)日：2021-05-13

申请号：US17263372

申请日：2019-07-26

Applicant: LG ELECTRONICS INC.

Inventor： Jaehoon Chung ,  Jiwon Kang ,  Haewook Park

IPC: H04B7/06 ,  H04B7/0456 ,  H04W72/10 ,  H04W72/04 ,  H04W72/12

Abstract: The present disclosure provides a method for transmitting and receiving channel state information (CSI) in a wireless communication system and a device supporting the same.
Particularly, a method for reporting channel state information (CSI) performed by a user equipment (UE) supported by multiple base stations in a wireless communication system may include receiving CSI related configuration information for the multiple base stations; receiving a reference signal from the multiple base stations; generating CSI based on a CSI omission rule; and transmitting the CSI to at least one base station among the multiple base stations, wherein the CSI may include information for multiple channels configured, and wherein the CSI omission rule may be determined based on at least one of i) a type of the CSI, ii) a part of the CSI, iii) priority information among CSI parameters and/or iv) priority information among the multiple base stations.

公开(公告)号：US20210143874A1

公开(公告)日：2021-05-13

申请号：US16623248

申请日：2018-06-15

Applicant: LG Electronics Inc.

Inventor： Haewook Park ,  Jiwon Kang ,  Kijun Kim ,  Hyukjin Chae

IPC: H04B7/0456 ,  H04B7/06 ,  H04W72/12

Abstract: Disclosed are a codebook-based uplink transmission method in a wireless communication system and a device therefor. Particularly, a method for a user equipment (UE) performing codebook-based uplink transmission in a wireless communication system includes the steps of: receiving from a base station downlink control information (DCI) for physical uplink shared channel (PUSCH) scheduling including precoding information and the number of layers; determining a precoder on the basis of the precoding information and the number of layers; and transmitting a PUSCH to which the determined precoder is applied to the base station, wherein the DCI may further include an amplitude coefficient and a phase coefficient applied to the precoder.

公开(公告)号：US11006428B2

公开(公告)日：2021-05-11

申请号：US16065757

申请日：2017-09-26

Applicant: LG Electronics Inc.

Inventor： Kunil Yum ,  Jiwon Kang ,  Kijun Kim ,  Jonghyun Park ,  Hyungtae Kim ,  Haewook Park

IPC: H04W72/08 ,  H04B17/336 ,  H04W24/10 ,  H04W72/04

Abstract: A method for measuring interference by a terminal in a wireless communication system according to one embodiment of the present invention may comprise the steps of: receiving interference measurement configuration information including a semi-persistence channel state information-interference (CSI-IM) configuration; receiving a request which indicates measurement of the semi-persistence CSI-IM configuration; and measuring the semi-persistence CSI-IM configuration in response to the received request, wherein the semi-persistence CSI-IM configuration may indicate CSI-IM which is performed at predetermined periods during a predetermined time interval.

公开(公告)号：US10965421B2

公开(公告)日：2021-03-30

申请号：US16194209

申请日：2018-11-16

Applicant: LG ELECTRONICS INC.

Inventor： Kilbom Lee ,  Jiwon Kang ,  Haewook Park ,  Jonghyun Park ,  Kyuseok Kim

IPC: H04L5/00 ,  H04B7/0456 ,  H04B7/0404

Abstract: According to the present invention, a method of transmitting and receiving an uplink phase tracking reference signal between a user equipment and a base station in a wireless communication and an apparatus supporting the same are disclosed.
According to an example applicable to the present invention, a user equipment can transmit an uplink PT-RS to a base station using the actual number of PT-RS ports which is determined based on the maximum uplink phase tracking reference signal (PT-RS) ports received from the base station and a precoding matrix set to the UE.

公开(公告)号：US10903887B2

公开(公告)日：2021-01-26

申请号：US16347411

申请日：2017-11-03

Applicant: LG Electronics Inc.

Inventor： Haewook Park ,  Heejin Kim ,  Sangrim Lee ,  Jiwon Kang ,  Kijun Kim

IPC: H04B7/06 ,  H04B17/336 ,  H04B7/0426 ,  H04B7/0456 ,  H04L5/00

Abstract: In an aspect of the present invention, a method for transmitting channel state information (CSI) of terminal in a wireless communication system may include: receiving a CSI-reference signal (RS); generating a first matrix for a channel based on the CSI-RS; generating a second matrix having a lower dimension than the first matrix by calculating the first matrix and an orthogonal beam matrix having a lower dimension than the first matrix; and transmitting to a base station information on the second matrix and/or the orthogonal beam matrix as the CSI, in which the orthogonal beam matrix may be a matrix including a plurality of orthogonal beams orthogonal to each other as elements.

公开(公告)号：US20200212982A1

公开(公告)日：2020-07-02

申请号：US16810300

申请日：2020-03-05

Applicant: LG ELECTRONICS INC.

Inventor： Jonghyun Park ,  Kijun KIM ,  Haewook Park

IPC: H04B7/06 ,  H04W72/04 ,  H04L5/14 ,  H04L5/00

Abstract: Disclosed herein is a method of receiving a channel state information-reference signal (CSI-RS) of a user equipment (UE) in a wireless communication system, including receiving CSI-RS resource information about a CSI-RS resource location having the CSI-RS mapped thereto, from a base station and receiving the CSI-RS through a CSI-RS resource at a location determined based on the CSI-RS resource information, wherein the CSI-RS resource information includes an index value indicating a location of a CSI-RS resource element where the CSI-RS is transmitted, a period and offset information of a subframe where the CSI-RS is transmitted, and information on a number of antenna ports where the CSI-RS is transmitted, wherein when the index value indicates locations of different CSI-RS resource elements by types of the subframe where the CSI-RS is transmitted and the CSI-RS is set to be transmitted alternately through a normal subframe and a special subframe within one wireless frame, the location of the CSI-RS resource is determined in additional consideration of a type of the subframe in addition to the CSI-RS resource information.