公开(公告)号：US11109370B2

公开(公告)日：2021-08-31

申请号：US16496398

申请日：2018-03-21

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae Kim ,  Jiwon Kang ,  Kijun Kim ,  Sukhyon Yoon ,  Sangrim Lee

IPC: H04W72/04 ,  H04L5/00

Abstract: The present application discloses a method for a terminal to transmit an uplink data signal configured with a plurality of code blocks in a wireless communication system. Particularly, the method comprises: a step of mapping, within one slot, a plurality of code blocks to resource elements by using a time-first method, for each time block; and a step of transmitting, to a base station, an uplink demodulation reference signal and an uplink data signal which is configured with a plurality of code blocks, wherein the size of the time block to which the time-first method is applied is determined based on a mapping pattern of the uplink demodulation reference signal.

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：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：US10993214B2

公开(公告)日：2021-04-27

申请号：US16094868

申请日：2017-05-15

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae Kim

IPC: H04W72/04 ,  H04J11/00 ,  H04W72/08 ,  H04W88/02 ,  H04W88/08

Abstract: Disclosed is a method for receiving a downlink data signal from an eNode B by a user equipment in a wireless communication system. Specifically, the method comprises the steps of: receiving downlink control information including an interface signal-related field; and receiving the downlink data signal using the downlink control information, wherein the interference signal-related field indicates whether an interference signal exists, and further indicates a modulation scheme applied to the interference signal when the interference signal exists.

公开(公告)号：US10944183B2

公开(公告)日：2021-03-09

申请号：US16096681

申请日：2017-04-25

Applicant: LG ELECTRONICS INC.

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

IPC: H04B7/0456 ,  H01Q21/06 ,  H01Q3/26 ,  H04B7/06 ,  H04L1/18 ,  H04W72/04 ,  H04B7/10 ,  H04L1/16

Abstract: In an aspect of the present invention, a method for a user equipment to report channel state information (CSI) in a multi-antenna wireless communication system may include the steps of receiving first configuration information about a non-precoded first channel state information-reference signal (CSI-RS) configuration from a base station, receiving the first CSI-RS, reporting, to the base station, the first CSI generated based on the first CSI-RS, and reporting, to the base station, codebook configuration information about a codebook configuration which is a basis for generating the first CSI.

公开(公告)号：US10925083B2

公开(公告)日：2021-02-16

申请号：US16822904

申请日：2020-03-18

Applicant: LG Electronics Inc.

Inventor： Kilbom Lee ,  Kyuseok Kim ,  Hyungtae Kim ,  Jiwon Kang ,  Jonghyun Park ,  Hanjun Park

IPC: H04W72/12 ,  H04L5/00

Abstract: Disclosed are a method of transmitting and receiving a downlink between a user equipment (UE) and a base station (BS) in a wireless communication system, and an apparatus for supporting the same. According to an embodiment applicable to the present disclosure, when the UE recognizes that plural transmission configuration indication (TCI) states related to one reference signal set are allocated to the UE through received downlink control information (DCI), the UE may receive/acquire a first physical downlink shared channel (PDSCH) scheduled by the DCI with high reliability.

公开(公告)号：US10924961B2

公开(公告)日：2021-02-16

申请号：US16274757

申请日：2019-02-13

Applicant: LG ELECTRONICS INC.

Inventor： Eunsun Kim ,  Jonghyun Park ,  Hanbyul Seo ,  Kijun Kim ,  Hyungtae Kim

IPC: H04W4/00 ,  H04W28/04 ,  H04L5/00 ,  H04J11/00 ,  H04B17/345 ,  H04B7/0456 ,  H04W72/12

Abstract: According to an embodiment of the present invention, disclosed is a method for supporting, by a serving base station, cancellation of interference signals from signals received at a target terminal in a wireless communication system. The method comprises the steps of: receiving scheduling information of at least one neighboring base station from the at least one neighboring base station; configuring a set of auxiliary information for canceling the interference signals of a target terminal on the basis of the scheduling information of the at least one neighboring base station; and transmitting the set of auxiliary information for canceling the interference signals of the target terminal to the target terminal, wherein the auxiliary information comprises at least one of demodulation reference signal (DM-RS) related information and cell-specific reference signal (CRS) related information in association with interference signals from respective neighboring base stations.

公开(公告)号：US10911110B2

公开(公告)日：2021-02-02

申请号：US16810536

申请日：2020-03-05

Applicant: LG ELECTRONICS INC.

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

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

Abstract: A method and an apparatus for transmitting and receiving channel state information in a multi-antenna wireless communication system are disclosed. Specifically, a method for reporting channel state information (CSI), by a User Equipment (UE), in a multi-antenna wireless communication system, the method comprising receiving, from a base station, configuration information for single CSI reporting in which a non-precoded CSI-RS based CSI reporting and a beamformed CSI-RS based CSI reporting are combined, reporting a first Precoding Matrix Indicator (PMI) and/or a first Rank Indicator (RI) derived based on a non-precoded CSI-RS to the base station, and reporting a Channel Quality Indicator (CQI), a second PMI, and a second RI based on a beamformed CSI-RS to the base station, wherein a value of the first RI is determined as only a value belonging to a previously determined set.

公开(公告)号：US10904874B2

公开(公告)日：2021-01-26

申请号：US16824990

申请日：2020-03-20

Applicant: LG Electronics Inc.

Inventor： Kyuseok Kim ,  Hyungtae Kim ,  Jiwon Kang ,  Sukhyon Yoon ,  Kilbom Lee

IPC: H04L5/00 ,  H04W72/04

Abstract: The present invention relates to a method and device for operating a terminal in a wireless communication system. According to the present invention, downlink control information is transmitted to a terminal and can include symbol information related to the last symbol of a downlink shared channel. A method and device can be provided wherein a terminal transmits a first demodulation reference signal(DMSR) and at least one second DMRS for demodulating downlink data, and transmits data through the downlink shared channel, and a symbol position to which the at least one second DMRS is mapped is determined according to the symbol information.

公开(公告)号：US10892821B2

公开(公告)日：2021-01-12

申请号：US16495823

申请日：2018-03-20

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae Kim ,  Kijun Kim ,  Jiwon Kang

IPC: H04B7/26 ,  H04L1/18 ,  H04L5/00 ,  H04W72/04 ,  H04W72/06 ,  H04B7/06 ,  H04B7/0413 ,  H04W88/06

Abstract: The present application discloses a method for a terminal to receive a downlink signal including at least one code word in a wireless communication system. Particularly, the method is characterized by: a step of receiving a first code word, through a first number of layers, and a second code word, through a second number of layers, which have been newly transmitted from a base station; a step of transmitting, to the base station, a negative acknowledgement for one of the first code word and the second code word; and receiving, from the base station, a code word which has been re-transmitted in response to the negative acknowledgement, and a third code word which has been newly transmitted, wherein the number of layers for receiving the re-transmitted code word is equal to the number of layers involved in the new transmission thereof.