公开(公告)号：US20190268058A1

公开(公告)日：2019-08-29

申请号：US16405661

申请日：2019-05-07

Applicant: LG ELECTRONICS INC.

Inventor： Haewook PARK ,  Kijun KIM ,  Jonghyun PARK

IPC: H04B7/06 ,  H04B7/0456

Abstract: A method for transmitting and receiving a signal based on a codebook in a multi-antenna wireless communication and a device therefor are disclosed. Specifically, a method for transmitting and receiving a signal by a UE on the basis of a codebook in a 2-dimensional multi-antenna wireless communication system includes: receiving a channel state information-reference signal (CSI-RS) from an eNB through multiple antenna ports; and reporting channel state information to the eNB, wherein the channel state information includes a precoding matrix indicator (PMI), the PMI includes a first PMI for selecting a precoding matrix set from the codebook and a second PMI for selecting a precoding matrix from the precoding matrix set, pairs of indexes of a first dimension and indexes of a second dimension of precoding matrices belonging to the precoding matrix set are (x,y), (x+2,y), (x,y+1) and (x+1,y+1), and x and y are integers which are not negative numbers.

公开(公告)号：US20190260434A1

公开(公告)日：2019-08-22

申请号：US16064924

申请日：2017-05-11

Applicant: LG ELECTRONICS INC.

Inventor： Haewook PARK ,  Hyungtae KIM ,  Kijun KIM ,  Jonghyun PARK

IPC: H04B7/0456 ,  H04B7/06

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：US20190207731A1

公开(公告)日：2019-07-04

申请号：US16291459

申请日：2019-03-04

Applicant: LG Electronics Inc.

Inventor： Jonghyun PARK ,  Kijun KIM ,  Jiwon KANG ,  Haewook PARK ,  Minki AHN ,  Sangrim LEE

IPC: H04L5/00 ,  H04W16/28 ,  H04W72/04

Abstract: Disclosed is a method for uplink transmission and reception in a wireless communication system and an apparatus therefor. Particularly, a method for performing uplink transmission by a user equipment (UE) in a wireless communication system includes: receiving sounding reference signal (SRS) resource configuration information form a base station, in which the SRS resource configuration information includes SRS resource information and association configuration information between a first SRS and a second SRS that is a target of the SRS resource configuration information; and transmitting precoded the second SRS to the base station on an SRS resource indicated by the SRS resource information, and the second SRS may be transmitted based on the precoding applied to the first SRS indicated by the association configuration information.

公开(公告)号：US20190182001A1

公开(公告)日：2019-06-13

申请号：US16213380

申请日：2018-12-07

Applicant: LG Electronics Inc.

Inventor： Kilbom LEE ,  Jiwon KANG ,  Haewook PARK

IPC: H04L5/00 ,  H04W72/04 ,  H04W52/34

CPC classification number: H04L5/0048 ,  H04W52/34 ,  H04W72/0413 ,  H04W72/0473

Abstract: The present invention proposes a method of transmitting and receiving an uplink phase tracking reference signal between a user equipment and a base station in a wireless communication system and an apparatus therefore.According to one embodiment applicable to the present invention, the user equipment can transmit an uplink phase tracking reference signal to the base station using a power boosting level determined based on first information and second information received from the base station.

公开(公告)号：US20190028158A1

公开(公告)日：2019-01-24

申请号：US15747135

申请日：2016-07-25

Applicant: LG ELECTRONICS INC.

Inventor： Haewook PARK ,  Kijun KIM ,  Jonghyun PARK

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

Abstract: Disclosed are a codebook-based signal transmission and reception method in a multi-antenna wireless communication system and an apparatus therefor. Specifically, a method for transmitting or receiving a signal on the basis of a codebook by a terminal in a two dimensional multi-antenna wireless communication system comprises the steps of: receiving a channel state information reference signal (CSI-RS) from an eNB through a multi-antenna port and reporting channel state information to the eNB, wherein the channel state information may include a precoding matrix indicator (PMI) for indicating a precoding matrix, the PMI may include a first PMI for selecting a set of precoding matrices from a codebook and a second PMI for determining one precoding matrix applied to two layers from the set of precoding matrices, and the precoding matrix may include a first precoding vector applied to a first layer and a second precoding vector applied to a second layer.

公开(公告)号：US20190007106A1

公开(公告)日：2019-01-03

申请号：US16065085

申请日：2017-09-26

Applicant: LG ELECTRONICS INC.

Inventor： Haewook PARK ,  Hyungtae KIM ,  Jonghyun PARK

IPC: H04B7/0417 ,  H04B7/0456 ,  H04B7/06

Abstract: Disclosed are a method for transmitting/receiving channel state information in a wireless communication system and an apparatus for the same. Particularly, a method for reporting channel state information (CSI) by a user equipment (UE) in a wireless communication system may comprise the steps of: receiving channel state information reference signal (CSI-RS) from a base station through a multi-antenna port; and reporting CSI to the base station, wherein the CSI includes selection information indicating multiple codewords used to generate a precoding matrix within a codebook for reporting the CSI, a power coefficient and a phase coefficient are applied to each of the multiple codewords and the precoding matrix is then generated on the basis of a linear combination of the multiple codewords to each of which the power and phase coefficients are applied, and the selection information and information indicating the power coefficient are transmitted at different CSI reporting instances.

公开(公告)号：US20180343046A1

公开(公告)日：2018-11-29

申请号：US15778395

申请日：2016-11-23

Applicant: LG ELECTRONICS INC.

Inventor： Jonghyun PARK ,  Kijun KIM ,  Haewook PARK

IPC: H04B7/06 ,  H04B7/0456 ,  H04W72/04 ,  H04W76/27

CPC classification number: H04B7/0626 ,  H04B7/0456 ,  H04B7/0478 ,  H04B7/0617 ,  H04B7/063 ,  H04B7/0632 ,  H04B7/0639 ,  H04B7/0647 ,  H04W72/0413 ,  H04W76/27

Abstract: A method, by which a terminal transmits channel state information in a wireless communication system, comprises a step for performing one integrated CSI process, the step for performing one integrated CSI process comprising the steps of: receiving, from a base station, a first channel state information-reference signal related to a CSI-RS resource which is not pre-coded; reporting, to the base station, a first pre-coding matrix indicator derived on the basis of the first CSI-RS; receiving, from the base station, a second CSI-RS related to one CSI-RS resource of a beam-formed CSI-RS type; and reporting, to the base station, a second rank indicator/channel quality indicator/second PMI derived on the basis of the second CSI-RS.

公开(公告)号：US20180115357A1

公开(公告)日：2018-04-26

申请号：US15565079

申请日：2016-04-11

Applicant: LG ELECTRONICS, INC.

Inventor： Jonghyun PARK ,  Kijun KIM ,  Haewook PARK

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

CPC classification number: H04B7/0417 ,  H04B7/00 ,  H04B7/04 ,  H04B7/06 ,  H04B7/0626 ,  H04L5/0023 ,  H04L5/0051 ,  H04L5/0057 ,  H04L5/0098 ,  H04L25/00 ,  H04W8/24 ,  H04W24/00 ,  H04W24/10 ,  H04W72/00 ,  H04W72/0413 ,  H04W72/1231

Abstract: According to the present specification, a method for reporting channel state information (CSI) in a wireless communication system, which is performed by a UE includes: transmitting UE capability information including first control information indicating the total number of CSI-RS ports which are maximally supported in one CSI process to a base station.Therefore, there is an effect that implementation complexity of the UE can be reduced.

公开(公告)号：US20170171899A1

公开(公告)日：2017-06-15

申请号：US15374359

申请日：2016-12-09

Applicant: LG ELECTRONICS INC.

Inventor： Inkwon SEO ,  Hyungtae KIM ,  Myoungseob KIM ,  Haewook PARK

IPC: H04W76/02 ,  H04W72/04 ,  H04W8/22 ,  H04B7/04 ,  H04W24/10

CPC classification number: H04W8/22 ,  H04B7/0413 ,  H04W8/26 ,  H04W28/08 ,  H04W76/14 ,  H04W88/04

Abstract: A method for transmitting a downlink signal by a base station in a wireless communication system comprises transmitting at least a part of downlink data to a first user equipment (UE); and transmitting the other part of the downlink data of the first UE to a second UE that is paired with with the first UE when a size of the downlink data of the first UE exceeds a data reception capability of the first UE, wherein transmission for the first UE and transmission for the second UE are performed at the same time, and the other part of the downlink data of the first UE, which are transmitted to the second UE, may be shared with the first UE through direct communication between the first UE and the second UE.

公开(公告)号：US20250096966A1

公开(公告)日：2025-03-20

申请号：US18707441

申请日：2022-11-03

Applicant: LG Electronics Inc.

Inventor： Haewook PARK ,  Jiwon KANG ,  Kyuseok KIM

IPC: H04L5/00 ,  H04L41/16

Abstract: Disclosed are a method and device for transmitting and receiving a physical channel in a wireless communication system. A method for receiving a physical downlink shared channel (PDSCH) according to one embodiment of the present disclosure may comprise the steps of: receiving configuration information relating to a training reference signals for training an artificial intelligence/machine learning (AI/ML) model from a base station; receiving the plurality of training reference signals from the base station; receiving control information for scheduling the PDSCH from the base station; and receiving the PDSCH from the base station on the basis of an inference derived with respect to a demodulation reference signal (DMRS) of the PDSCH from the AI/ML model which has been trained by means of one or more training reference signals from among the plurality of training reference signals.