公开(公告)号：US11218207B2

公开(公告)日：2022-01-04

申请号：US16623384

申请日：2018-06-15

Applicant: LG ELECTRONICS INC.

Inventor： Hyunsu Cha ,  Kijun Kim ,  Jonghyun Park ,  Haewook Park

IPC: H04B7/06 ,  H04L5/00 ,  H04W16/28

Abstract: The present invention relates to a method and an apparatus for receiving a reference signal by a terminal in a wireless communication system. According to the present invention, from a base station, a terminal receives configuration information of a channel state information (CSI)-RS resource for transmission of a CSI-RS, and receives the CSI-RS on the basis of the configuration information. Further, provided may be a method and an apparatus, in which a terminal configures a beam on the basis of the CSI-RS, wherein the configuration information includes at least one of a first indicator indicating the number of times the CSI-RS is repeatedly transmitted, a first offset value of a first subcarrier to which the CSI-RS resource is mapped, and information indicating the maximum number of times the terminal can perform beam sweeping, and the CSI-RS resource is mapped to subcarriers at a predetermined interval on a frequency axis, and the CSI-RS can be repeatedly transmitted within a specific time interval according to the first indicator.

公开(公告)号：US11165546B2

公开(公告)日：2021-11-02

申请号：US16611576

申请日：2018-01-18

Applicant: LG Electronics Inc.

Inventor： Kukheon Choi ,  Jonghyun Park ,  Jiwon Kang ,  Kyuseok Kim ,  Minki Ahn ,  Kilbom Lee

IPC: H04W72/04 ,  H04L5/00

Abstract: A method for a terminal to receive Sounding Reference Symbol (SRS) configuration information in a wireless communication system comprises: a step of receiving SRS configuration information for SRS transmission in units of concatenated SRS blocks from a base station; and a step of transmitting SRS to the base station on the concatenated SRS blocks on the basis of the SRS configuration information, wherein the SRS configuration information may include information indicating a length of one SRS block, information indicating the number of SRS blocks, and information indicating an SRS block in which truncation is performed among the concatenated SRS blocks.

公开(公告)号：US11121744B2

公开(公告)日：2021-09-14

申请号：US15773793

申请日：2016-11-04

Applicant: LG Electronics Inc.

Inventor： Jonghyun Park ,  Hanbyul Seo

IPC: H04B7/024 ,  H04L5/00 ,  H04L25/02 ,  H04L1/00

Abstract: Disclosed are a method for transmitting and receiving downlink data in a wireless communication system, and an apparatus therefor. Specifically, a method for receiving downlink data from multiple cells in a wireless communication system may comprise a step for receiving downlink data on a physical downlink shared channel (PDSCH), wherein the PDSCH includes a first resource block group and a second resource block group, downlink data transmitted from a first cell is mapped to the first resource block group, downlink data transmitted from a second cell is mapped to the second resource block group, and a quasi-co-location (QCL) assumption is independently applied in order to decode the first resource block group and the second resource block group.

公开(公告)号：US11071125B2

公开(公告)日：2021-07-20

申请号：US16324657

申请日：2017-08-11

Applicant: LG ELECTRONICS INC.

Inventor： Haewook Park ,  Jonghyun Park

IPC: H04W72/12 ,  H04B7/06 ,  H04L5/00 ,  H04J4/00

Abstract: A method for receiving a CSI-RS by a terminal in a wireless communication system according to an aspect of the present invention may comprise the steps of: receiving, from a base station, CSI-RS configuration information about a CSI-RS configuration to which the CSI-RS is mapped, wherein the CSI-RS configuration corresponds to merging of a plurality of legacy CSI-RS configurations, and the plurality of legacy CSI-RS configurations are mapped to a plurality of antenna ports numbered by corresponding legacy CSI-RS port numbers; and receiving the CSI-RS from the base station through the plurality of antenna ports on the basis of the CSI-RS configuration information.

公开(公告)号：US20210204266A1

公开(公告)日：2021-07-01

申请号：US17199760

申请日：2021-03-12

Applicant: LG ELECTRONICS INC.

Inventor： Minki Ahn ,  Jiwon Kang ,  Kijun Kim ,  Jonghyun Park ,  Kilbom Lee

IPC: H04W72/04 ,  H04W16/28

Abstract: The present specification provides a method for transmitting/receiving signals through beams in a wireless communication system. The signal transmission/reception method performed by a terminal, in the present specification, may comprise the steps of: receiving a beam reference signal used in beam management from an eNB via a first Rx beam; if beam reporting is triggered, reporting to the eNB a measurement result based on the beam reference signal; receiving, from the eNB, control information related to the determination of a second Rx beam for receiving a particular signal; and receiving the particular signal via the second Rx beam on the basis of the received control information.

公开(公告)号：US11032046B2

公开(公告)日：2021-06-08

申请号：US16495090

申请日：2018-03-19

Applicant: LG ELECTRONICS INC.

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

IPC: H04L5/00 ,  H04B7/0456 ,  H04W72/04

Abstract: Disclosed is a method for transmitting an uplink signal by a terminal in a wireless communication system. The method comprises the steps of: transmitting multiple precoded reference signals, to each of which a precoder cyclic pattern is applied in a predetermined resource unit, to a base station; receiving, from the base station, information indicating one among the multiple precoded reference signals; and transmitting an uplink data signal and an uplink demodulation reference signal to the base station by using a precoder cyclic pattern which has been applied to the indicated precoded reference signal.

公开(公告)号：US11032045B2

公开(公告)日：2021-06-08

申请号：US16483374

申请日：2018-01-31

Applicant: LG Electronics Inc.

Inventor： Jiwon Kang ,  Kijun Kim ,  Jonghyun Park

IPC: H04L5/00 ,  H04W24/10 ,  H04W72/04

Abstract: This specification provides a method for measuring and reporting channel state information in a wireless communication system.
Specifically, a method for reporting, by a user equipment, channel state information (CSI) in a wireless communication system includes: receiving CSI configuration information related to a CSI reporting procedure; receiving one or more channel state information (CSI)-reference signals (CSI-RSs); and reporting the CSI determined by measurement values estimated by the one or more CSI-RSs, in which first triggering for transmission of the one or more CSI-RSs and second triggering for reporting of the CSI may be indicated through downlink control information.

公开(公告)号：US11012990B2

公开(公告)日：2021-05-18

申请号：US16622468

申请日：2018-06-15

Applicant: LG Electronics Inc.

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

IPC: H04W72/04 ,  H04L5/00

Abstract: A method for performing coordinated transmission in a wireless communication system and an apparatus therefor are disclosed. Specifically, a method for receiving downlink control information (DCI) by a user equipment (UE) in a wireless communication system may comprise the steps of: receiving the DCI from one of a plurality of base stations performing coordinated transmission to the UE; and receiving downlink data scheduled on the basis of the DCI from the plurality of base stations performing the coordinated transmission, wherein a separate transmission layer for the downlink data is transmitted from each base station included in the plurality of base stations, and single piece of information in the DCI indicates a total number of layers scheduled to the UE and demodulation reference signal (DMRS) grouping information associated with the separate transmission layer transmitted from each base station.

公开(公告)号：US20210144716A1

公开(公告)日：2021-05-13

申请号：US17053488

申请日：2019-05-09

Applicant: LG ELECTRONICS INC.

Inventor： Kukheon Choi ,  Jiwon Kang ,  Jonghyun Park ,  Kunil Yum

IPC: H04W72/04 ,  H04L25/02 ,  H04B7/06 ,  H04L5/00 ,  H04W76/27 ,  H04W80/02

Abstract: Disclosed are a method for performing uplink transmission or reception in a wireless communication system and a device therefor. Specifically, a method for performing uplink transmission by a terminal in a wireless communication system may comprise the steps of: receiving, from a base station, a configuration relating to a beam association between a resource in a first frequency band and a resource in a second frequency band; allocating, by the base station, the resource in the first frequency band to the terminal, wherein the first frequency band does not overlap with the second frequency band; switching the first frequency band to the second frequency band; allocating, by the base station, the resource in the second frequency band to the terminal; and on the basis of the configuration relating to the beam association, performing the uplink transmission on the resource in the second frequency band.

公开(公告)号：US10993202B2

公开(公告)日：2021-04-27

申请号：US16874320

申请日：2020-05-14

Applicant: LG ELECTRONICS INC.

Inventor： Hyunho Lee ,  Hanjun Park ,  Kijun Kim ,  Jonghyun Park

IPC: H04W64/00 ,  G01S5/10 ,  G01S5/00 ,  G01S1/20 ,  H04W72/04 ,  H04W8/26 ,  H04W24/10 ,  G01S5/02 ,  H04J11/00 ,  H04L5/00

Abstract: A method of reporting information for positioning by a user equipment (UE) in a wireless communication system, includes receiving, from a location server, assistant data related to plurality of cells including a reference cell and one or more neighbor cells; receiving, from the location server, quasi-co-location (QCL) information on the PRS of the plurality of cells and the CRS of the plurality of cells; calculating a reference signal time difference (RSTD) measurement value using a positioning reference signal (PRS) of the plurality of cells and a cell-specific reference signal (CRS) of the plurality of cells based on the assistant data; and reporting the RSTD measurement value to the location server, wherein the assistant data includes information on a cyclic prefix (CP) length of the PRS of the plurality of cells, a CP length of the CRS of the plurality of cells, and a multicast broadcast single frequency network (MBSFN) subframe configuration of the plurality of cells.