公开(公告)号：US20210320703A1

公开(公告)日：2021-10-14

申请号：US17262101

申请日：2019-07-22

Applicant: LG ELECTRONICS INC.

Inventor： Kukheon Choi ,  Jiwon Kang ,  Jaehoon Chung

IPC: H04B7/06 ,  H04L5/00 ,  H04B7/024

Abstract: According to an embodiment of the disclosure, a method for reporting a plurality of channel state information by a user equipment (UE) in a wireless communication system comprises receiving association information related to a plurality of channel state reports and reporting a plurality of channel state information using the association information, wherein in reporting the plurality of channel state information, remaining channel state information except for specific channel state information among the plurality of channel state information is excluded from being reported or is reported in a form of a reduced payload size, according to the association information.

公开(公告)号：US11133853B2

公开(公告)日：2021-09-28

申请号：US16717316

申请日：2019-12-17

Applicant: LG Electronics Inc.

Inventor： Jiwon Kang ,  Jonghyun Park ,  Kilbom Lee ,  Kijun Kim ,  Sukhyon Yoon

IPC: H04B7/06 ,  H04L5/00 ,  H04J13/16 ,  H04W76/27 ,  H04B7/0456 ,  H04W72/04 ,  H04L27/26

Abstract: Disclosed is a method for transmitting and receiving a channel state information (CSI)-reference signal (RS) in a wireless communication system.
Specifically, the method performed by a base station may include: configuring control information indicating that an antenna port for all CSI-RS resources included in a CSI-RS resource set is same, wherein the CSI-RS resource set is used for tracking at least one of a time or a frequency; transmitting the configured control information to a user equipment (UE); and transmitting the CSI-RS to the UE through all the CSI-RS resources.
In doing so, the UE is capable of performing time/frequency tracking more precisely.

公开(公告)号：US11128360B2

公开(公告)日：2021-09-21

申请号：US16717336

申请日：2019-12-17

Applicant: LG Electronics Inc.

Inventor： Jiwon Kang ,  Jonghyun Park ,  Kilbom Lee ,  Kijun Kim ,  Sukhyon Yoon

IPC: H04B7/06 ,  H04L5/00 ,  H04J13/16 ,  H04W76/27 ,  H04B7/0456 ,  H04W72/04 ,  H04L27/26

Abstract: Disclosed is a method for transmitting and receiving a channel state information (CSI)-reference signal (RS) in a wireless communication system.
Specifically, the method performed by a base station may include: configuring control information indicating that an antenna port for all CSI-RS resources included in a CSI-RS resource set is same, wherein the CSI-RS resource set is used for tracking at least one of a time or a frequency; transmitting the configured control information to a user equipment (UE); and transmitting the CSI-RS to the UE through all the CSI-RS resources.
In doing so, the UE is capable of performing time/frequency tracking more precisely.

公开(公告)号：US11121755B2

公开(公告)日：2021-09-14

申请号：US16816946

申请日：2020-03-12

Applicant: LG Electronics Inc.

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

IPC: H04B7/06 ,  H04L5/00 ,  H04L1/00 ,  H04L1/16

Abstract: The present disclosure provides a method for reporting channel state information (CSI) in a wireless communication system. Specifically, a method for reporting, by a user equipment (UE), channel state information (CSI) in a wireless communication system includes: receiving, from a base station, control information related to a configuration of a channel state information reference signal (CSI-RS) resource, wherein the control information includes CDM type information representing a type of code division multiplexing (CDM) applied to the CSI-RS resource; receiving, from the base station, an X-port CSI-RS on one or more component CSI-RS resource element (RE) patterns; and reporting, to the base station, the CSI based on the received X-port CSI-RS. Accordingly, the present disclosure can flexibly provide CSI-RS resource locations.

公开(公告)号：US11109328B2

公开(公告)日：2021-08-31

申请号：US16305385

申请日：2017-05-31

Applicant: LG ELECTRONICS INC.

Inventor： Ilmu Byun ,  Jiwon Kang ,  Heejeong Cho ,  Genebeck Hahn ,  Heejin Kim ,  Hyunjin Shim

IPC: H04W4/00 ,  H04W56/00 ,  H04W76/11 ,  H04W64/00 ,  H04W68/00 ,  H04W72/04 ,  H04W74/08

Abstract: Provided are a method and an apparatus for obtaining a downlink synchronization in a wireless communication system. A proposed wireless communication system has an environment in which a resource position of a downlink synchronization signal is changed as multi-numerology is applied thereto. Specifically, a terminal transmits a preamble for requesting a synchronization signal transmission resource to a base station. The terminal receives a response signal to the preamble from the base station. Here, the terminal does not have linkage to the base station, and is downlink synchronized with the base station. The response signal includes position information of a synchronization signal transmission resource of a neighboring base station.

公开(公告)号：US11063716B2

公开(公告)日：2021-07-13

申请号：US16319266

申请日：2018-08-08

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae Kim ,  Jiwon Kang ,  Kijun Kim ,  Hyunsoo Ko ,  Kyuseok Kim

IPC: H04L5/00 ,  H04W72/04

Abstract: A method for transmitting and receiving a Reference Signal in a wireless communication system performed by a UE is disclosed. According to the present invention, a UE receives, from a base station, Downlink Control Information and receives a Demodulation Reference Signal (DMRS) through a plurality of antenna ports based on the Downlink Control Information and downlink data.
The UE demodulates the downlink data based on the DMRS, and the downlink data is received in a same symbol as the DMRS or in different symbols with each other based on a number of symbols related to the downlink data.

公开(公告)号：US11012182B2

公开(公告)日：2021-05-18

申请号：US16500471

申请日：2018-04-26

Applicant: LG Electronics Inc.

Inventor： Hyungtae Kim ,  Jiwon Kang ,  Jonghyun Park

IPC: H04L1/00 ,  H04B17/24 ,  H04B17/336 ,  H04L5/00 ,  H04W24/10

Abstract: The present application discloses a method for reporting, by a terminal, channel status information (CSI) to a base station in a wireless communication system. Specifically, the method comprises the steps of: receiving a plurality of non-zero power (NZP) CSI-reference signals (CSI-RSs) from the base station; selecting one NZP CSI-RS on the basis of power received from the plurality of NZP CSI-RSs; measuring interference by removing the selected NZP CSI-RS from a channel determined using the selected NZP CSI-RS; and reporting, to the base station, the CSI including an indicator indicating the selected NZP CSI-RS and information related to the measured interference.

公开(公告)号：US11012134B2

公开(公告)日：2021-05-18

申请号：US16597492

申请日：2019-10-09

Applicant: LG Electronics Inc.

Inventor： Hyungtae Kim ,  Jiwon Kang

IPC: H04B7/06 ,  H04L1/00 ,  H04B7/0456 ,  H04W24/10 ,  H04W72/04 ,  H04W72/12

Abstract: A method of reporting, by a user equipment (UE), channel state information (CSI) in a wireless communication system, includes: receiving, by the UE and from a base station (BS), downlink control information (DCI) related to an aperiodic CSI report that is to be performed by the UE in a slot n; determining, by the UE, a value nCQI_ref based on a number of symbols Z′ related to a time for computing the CSI; determining, by the UE, a CSI reference resource as being a slot n−nCQI_ref in a time domain that is to be used for the aperiodic CSI report; and transmitting, by the UE and to the BS, the aperiodic CSI report in the slot n, based on the CSI reference resource being slot n−nCQI_ref. The CSI may be calculated by using the most recent A CSI-RS, and thereby the most recent CSI may be reported.

公开(公告)号：US11005629B2

公开(公告)日：2021-05-11

申请号：US16483020

申请日：2018-02-01

Applicant: LG ELECTRONICS INC.

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

IPC: H04L5/00 ,  H04J13/18 ,  H04W72/04 ,  H04J13/16

Abstract: Disclosed are a method for transmitting and receiving a channel state information reference signal in a wireless communication system and a device therefor. Specifically, a method for transmitting, by a base station, a channel state information-reference signal (CSI-RS) in a wireless communication system includes: transmitting configuration information of the CSI-RS to user equipment (UE); and transmitting, to the UE, the CSI-RS through one or more antenna ports, in which the position of an orthogonal frequency division multiplexing (OFDM) symbol for transmitting the CSI-RS may be configured by the configuration information, and the position of a resource element (RE) for transmitting the CSI-RS may be determined by M RE units (M is 1 and/or 2 and/or 4 and/or 8).

公开(公告)号：US10972929B2

公开(公告)日：2021-04-06

申请号：US16065761

申请日：2017-08-10

Applicant: LG Electronics Inc.

Inventor： Kunil Yum ,  Jiwon Kang ,  Kijun Kim ,  Yunjung Yi

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

Abstract: A channel state reporting method based on a channel state information-reference signal (CSI-RS) in a wireless communication system, according to one embodiment of the present invention, may comprise the steps of: receiving a CSI-RS configuration associated with a partial band occupying a frequency band configured with a single numerology; and when CSI-RS configurations for multiple partial bands are included in the CSI-RS configuration, configuring the respective multiple partial bands with numerologies that are different from each other, and according to the CSI-RS configuration associated with the partial band, transmitting CSI information derived from a CSI-RS transmitted from the partial band.