公开(公告)号：US11005547B2

公开(公告)日：2021-05-11

申请号：US16476010

申请日：2018-01-02

Applicant: LG Electronics Inc.

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

IPC: H04B7/06 ,  H04L1/00 ,  H04L5/00 ,  H04W24/10 ,  H04W72/10

Abstract: A method for channel state information-reference signal (CSI-RS)-based channel state reporting in a wireless communication system according to one embodiment of the present disclosure may comprise the steps of: receiving a CSI-RS-related configuration from a base station; calculating CSI by measuring a CSI-RS according to the CSI-RS-related configuration; and transmitting the calculated CSI to the base station, wherein the CSI-RS-related configuration comprises configurations for different types of CSI-RSs, and when at least two different types of CSI-RSs are configured to be transmitted in the same resource, a terminal measures only a CSI-RS having a predetermined higher priority.

公开(公告)号：US10998950B2

公开(公告)日：2021-05-04

申请号：US16593307

申请日：2019-10-04

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae Kim ,  Hanjun Park

IPC: H04B7/0456 ,  H04B17/382 ,  H04B7/06 ,  H04L5/00 ,  H04L1/00 ,  H04B7/0417 ,  H04W72/04 ,  H04W72/06 ,  H04W88/02

Abstract: A method for receiving Channel State Information (CSI) by a base station (BS) in a wireless communication system, includes receiving an encoded value for a specific CSI report mode, wherein the encoded value is joint encoded value of a rank indicator (RI) and a first precoding matrix indicator (PMI), obtaining the RI and a codebook index for the first PMI based on the encoded value, wherein the RI and the first PMI are jointly encoded into the encoded value in a way that following conditions are satisfied: when the encoded value is an integer ranging from 0 to 7, the RI is 1 and a codebook index for the first PMI is same as the encoded value, and when the encoded value is integer ranging from 8 to 15, the RI is 2 and the codebook index for the first PMI is the encoded value minus 8.

公开(公告)号：US10993255B2

公开(公告)日：2021-04-27

申请号：US16482230

申请日：2018-01-31

Applicant: LG ELECTRONICS INC.

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

IPC: H04W72/04 ,  H04W72/12

Abstract: Disclosed in the present application is a method for a terminal transmitting an uplink signal in a wireless communication system. Particularly, the method comprises the steps of: receiving, from the base station, allocation information for resource blocks in a wideband and information on precoders indicated in sub-band units; configuring the allocated resource blocks into sub-bands including two or more continuous resource blocks; and transmitting the uplink signal through the sub-bands to the base station by applying the precoders to corresponding sub-bands.

公开(公告)号：US10965500B2

公开(公告)日：2021-03-30

申请号：US16554227

申请日：2019-08-28

Applicant: LG ELECTRONICS INC.

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

IPC: H04L25/02 ,  H04L5/00 ,  H04B7/0452 ,  H04B7/0456 ,  H04J13/00 ,  H04J13/18 ,  H04W72/04

Abstract: A method by which a terminal estimates a channel in a wireless access system can comprises the steps of: receiving mapping information on a port and a layer of a data demodulation reference signal (DMRS); receiving change information on whether the port of the DMRS has been changed; and determining a change in port information on the basis of an indicator and estimating a channel of the DMRS.

公开(公告)号：US10958321B2

公开(公告)日：2021-03-23

申请号：US16510348

申请日：2019-07-12

Applicant: LG ELECTRONICS INC.

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

IPC: H04L12/28 ,  H04B7/0456 ,  H04B7/06 ,  H04L5/00 ,  H04L5/10 ,  H04L25/02 ,  H04L27/26 ,  H04W72/04 ,  H04W80/08 ,  H04B7/0404 ,  H04W72/12 ,  H04J1/16

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：US10924956B2

公开(公告)日：2021-02-16

申请号：US16475610

申请日：2018-01-03

Applicant: LG Electronics Inc.

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

IPC: H04W4/00 ,  H04W24/10 ,  H04B7/0452 ,  H04B7/06 ,  H04L5/00 ,  H04W72/04 ,  H04W88/02

Abstract: Disclosed is a method by which a terminal reports beam information to a base station in a wireless communication system. The method comprises the steps of: receiving, from the base station, a beam measurement reference signal corresponding to each of a plurality of candidate transmission beams; determining at least one best transmission beam among the plurality of candidate transmission beams on the basis of the beam measurement reference signal; determining at least one worst transmission beam corresponding to each of the at least one best transmission beam among the plurality of candidate transmission beams by using a best reception beam corresponding to the at least one best transmission beam among candidate reception beams; reporting, to the base station, information on the at least one best transmission beam and the at least one worst transmission beam corresponding to the at least one best transmission beam.

公开(公告)号：US10819491B2

公开(公告)日：2020-10-27

申请号：US15300704

申请日：2015-04-16

Applicant: LG ELECTRONICS INC.

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

IPC: H04L5/00 ,  H04W72/08 ,  H04W72/04 ,  H04W72/12 ,  H04L5/14

Abstract: The present invention relates to a method for channel state reporting in a wireless communication system, wherein the method is performed by a terminal and includes the steps of: receiving a setting for a limited measurement resource, a first set of CSI subframes, or a second set of CSI subframes for channel state measurement; calculating the value of a channel state of a specific type according to whether a reference resource for the channel state measurement corresponds to the first set of CSI subframes or the second set of CSI subframes; and transmitting the calculating value of the channel state to a serving base station, wherein the value of the channel state may be one of a first type of channel quality indicator (CQI) that is not affected by the interference base station in the cannel are partially removed, or a third type of CQI from which the effects of the interference signal of the main interference base station are not removed.

公开(公告)号：US10790888B2

公开(公告)日：2020-09-29

申请号：US16694568

申请日：2019-11-25

Applicant: LG Electronics Inc.

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

IPC: H04B7/0456 ,  H04B7/06 ,  H04L5/00 ,  H04B7/0452

Abstract: Disclosed are a method for transmitting and receiving channel state information in a multi-antenna wireless communication system, and an apparatus therefor. Particularly, a method by which user equipment (UE) reports channel state information in a two-dimensional multi-antenna wireless communication system comprises the steps of: receiving, from a base station, a channel state information reference signal (CSI-RS) through a multi-antenna port; and reporting the channel state information to the base station, wherein a plurality of codewords, which are used for generating a pre-coding matrix selected by the UE in a codebook for reporting the channel state information, are specified by the channel state information and, after power coefficients are applied to each of the plurality of codewords, the pre-coding matrix can be generated based on a linear combination of the plurality of codewords to which the power coefficients are applied.

公开(公告)号：US10785669B2

公开(公告)日：2020-09-22

申请号：US16790126

申请日：2020-02-13

Applicant: LG Electronics Inc.

Inventor： Hyungtae Kim ,  Jiwon Kang

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

Abstract: A method of reporting channel state information by a UE in a wireless communication system is provided. Specifically, A method of transmitting, by a user equipment (UE), power measurement information related to beam reporting in a wireless communication system includes: receiving downlink control information (DCI) triggering reporting of the power measurement information; receiving a downlink reference signal for reporting of the power measurement information; and transmitting, to a base station, power measurement information determined based on the received downlink reference signal. A minimum required time for reporting of the power measurement information is (i) calculated as the sum of a first minimum required time from the last timing of the downlink reference signal to a transmission timing of the power measurement information and a second minimum required time between DCI triggering the downlink reference signal and reception of the downlink reference signal or (ii) calculated based on a pre-configured threshold value related to reporting of the power measurement information.

公开(公告)号：US10735153B2

公开(公告)日：2020-08-04

申请号：US16301414

申请日：2017-05-22

Applicant: LG ELECTRONICS INC.

Inventor： Inkwon Seo ,  Hyungtae Kim

IPC: H04W4/00 ,  H04L5/00 ,  H04L1/18 ,  H04W72/04 ,  H04L27/00 ,  H04L1/00

Abstract: A method for a base station for transmitting a downlink signal in a wireless communication system according to one embodiment of the present invention comprises the steps of: modulating, of a codeword of a first terminal, a first part by means of a first modulation and coding scheme (MCS) and a second part by means of a second MCS; and transmitting the modulated codeword to the first terminal, wherein the second part of the codeword is transmitted along with a signal of a second terminal from the same resource on the basis of the non-orthogonal multiple access (NOMA) method, and the second MCS for the second part, transmitted on the basis of the NOMA method, has a lower modulation order than the first MCS for the first part.