公开(公告)号：US20200145943A1

公开(公告)日：2020-05-07

申请号：US16736514

申请日：2020-01-07

Applicant: LG Electronics Inc.

Inventor： Youngsub KIM ,  Hyunsoo KO ,  Kijun KIM ,  Sukhyon YOON ,  Eunsun KIM ,  Haewook PARK

IPC: H04W56/00 ,  H04W72/04 ,  H04L27/26 ,  H04L5/00 ,  H04B7/26

Abstract: The present disclosure provides a method for receiving a synchronization signal block by a UE in a wireless communication system. Particularly, the method includes receiving at least one SSB mapped to a plurality of symbols, wherein two regions for candidate SSBs in which the at least one SSB can be received are allocated in a specific time duration including the plurality of symbols, and a time between the two regions, a time before the two regions and a time after the two regions are identical in the specific time duration.

公开(公告)号：US20200091975A1

公开(公告)日：2020-03-19

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

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：US20200067578A1

公开(公告)日：2020-02-27

申请号：US16671458

申请日：2019-11-01

Applicant: LG ELECTRONICS INC.

Inventor： Haewook PARK ,  Kijun KIM ,  Jonghyun PARK

IPC: H04B7/0456 ,  H04B7/06 ,  H04B7/04

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 2-dimensional multi-antenna wireless communication system comprises the steps of: receiving a channel state information reference signal (CSI-RS) through a multi-antenna port from a base station; and reporting channel state information to the base station, 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 matrixes from the codebook and a second PMI for selecting one precoding matrix from the set of precoding matrixes.

公开(公告)号：US20200053764A1

公开(公告)日：2020-02-13

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: H04W72/12 ,  H04W72/04

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：US20190312623A1

公开(公告)日：2019-10-10

申请号：US16347411

申请日：2017-11-03

Applicant: LG Electronics Inc.,

Inventor： Haewook PARK ,  Heejin KIM ,  Sangrim LEE ,  Jiwon KANG ,  Kijun KIM

IPC: H04B7/06 ,  H04L5/00 ,  H04B7/0456 ,  H04B7/0426 ,  H04B17/336

Abstract: In an aspect of the present invention, a method for transmitting channel state information (CSI) of terminal in a wireless communication system may include: receiving a CSI-reference signal (RS); generating a first matrix for a channel based on the CSI-RS; generating a second matrix having a lower dimension than the first matrix by calculating the first matrix and an orthogonal beam matrix having a lower dimension than the first matrix; and transmitting to a base station information on the second matrix and/or the orthogonal beam matrix as the CSI, in which the orthogonal beam matrix may be a matrix including a plurality of orthogonal beams orthogonal to each other as elements.

公开(公告)号：US20190273549A1

公开(公告)日：2019-09-05

申请号：US16418543

申请日：2019-05-21

Applicant: LG ELECTRONICS INC.

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

IPC: H04B7/06 ,  H04L5/00 ,  H04W24/10 ,  H04B7/04

Abstract: A method for receiving, by a user equipment (UE), a channel state information reference signal (CSI-RS) in a wireless communication system, includes receiving, from a base station, CSI-RS resource configuration information related to a numbering for a plurality of CSI-RS resources through a radio resource control (RRC) signaling, wherein the CSI-RS resource configuration information includes first CSI-RS configuration information and at least one second CSI-RS configuration information; and determining numbers for the plurality of CSI-RS resources based on the received CSI-RS resource configuration, wherein a specific CSI-RS resource among the plurality of CSI-RS resources corresponds to a value configured in the first CSI-RS configuration information, and at least one CSI-RS resource except the specific CSI-RS resource among the plurality of CSI-RS resources corresponds to a value configured in the second CSI-RS configuration information, and wherein the specific CSI-RS resource is a CSI-RS resource related to a lowest number among the plurality of CSI-RS resources.

公开(公告)号：US20190181936A1

公开(公告)日：2019-06-13

申请号：US16066998

申请日：2016-12-28

Applicant: LG ELECTRONICS INC.

Inventor： Haewook PARK ,  Jonghyun PARK ,  Kijun KIM ,  Hyukjin CHAE

IPC: H04B7/06 ,  H04L5/00 ,  H04W76/27

Abstract: In an aspect of the present invention, a method for reporting channel state information (CSI) of a UE in a wireless communication system includes: receiving, from an eNB, CSI-RS resource information related to a CSI-RS resource to which a channel state information-reference signal (CSI-RS) is mapped; receiving the CSI-RS transmitted through one or more antenna ports from the eNB based on the received CSI-RS resource information; and reporting CSI generated based on the received CSI-RS to the eNB, in which the CSI-RS resource is configured by aggregating a plurality of CSI-RS resources, and the aggregated CSI-RS resources are respectively positioned in different subframes on a time axis or in different resource blocks on a frequency axis.

公开(公告)号：US20190109626A1

公开(公告)日：2019-04-11

申请号：US16148800

申请日：2018-10-01

Applicant: LG Electronics Inc.

Inventor： Haewook PARK ,  Kijun KIM ,  Jiwon KANG

IPC: H04B7/06 ,  H04L5/00 ,  H04L1/00 ,  H04B7/0456 ,  H04W72/04 ,  H04W76/27

Abstract: Provided are a method and an apparatus for reporting channel state information (CSI) by a user equipment in a wireless communication system. According to the present invention, the UE receives configuration information related to reporting of the CSI from a base station, wherein the configuration information may include a threshold value related to a specific condition for receiving the CSI and the CSI may comprise a first part and a second part.A method and an apparatus may be provided in which the UE receives a first reference signal for channel measurement from the base station, measures a channel based on the first reference signal, and reports the CSI of the measured channel to the base station and some or all of the second part of the CSI is omitted.

公开(公告)号：US20190074883A1

公开(公告)日：2019-03-07

申请号：US15767124

申请日：2016-10-07

Applicant: LG ELECTRONICS INC.

Inventor： Jonghyun PARK ,  Kijun KIM ,  Haewook PARK

IPC: H04B7/06 ,  H04B17/345 ,  H04W72/04 ,  H04W24/10 ,  H04L1/00

CPC classification number: H04B7/0626 ,  H04B7/0456 ,  H04B7/0617 ,  H04B7/0669 ,  H04B17/345 ,  H04L1/0026 ,  H04L1/18 ,  H04L5/00 ,  H04W24/10 ,  H04W72/0446

Abstract: Disclosed are a method for transmitting/receiving channel state information in a wireless communication system and a device for same. In particular, a method of reporting channel state information (CSI), by a user equipment (UE) in a wireless communication system comprises the steps of: receiving, from an eNB, a CSI process configuration comprising interference measurement restriction information indicating interference measurement restriction; and reporting, to the eNB, CSI corresponding to a CSI process configured by the CSI process configuration, wherein when a first subframe set and a second subframe set are configured for the CSI process, the interference measurement restriction can be independently configured for each of the first subframe set and the second subframe set.

公开(公告)号：US20190007107A1

公开(公告)日：2019-01-03

申请号：US16065091

申请日：2017-03-31

Applicant: LG ELECTRONICS INC.

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

IPC: H04B7/0417 ,  H04B7/06 ,  H04B7/0456 ,  H04L5/00

Abstract: The present invention provides a method for reporting channel status information (CSI) for downlink transmission to an eNode B (eNB) by a user equipment (UE) in a wireless communication system. Specifically, the method comprises the steps of: receiving a channel status information-reference signal (CSI-RS) from the eNB; calculating the CSI on the basis of the CSI-RS under the assumption that a dual-precoder including a first precoder and a second precoder is applied; and reporting the CSI to the eNB, wherein the step of calculating the CSI includes a step for assuming that at least one of the first precoder and the second precoder is cyclically employed from a predetermined precoder candidate set on the basis of a predetermined resource unit; and information associated with the at least one precoder and information associated with the predetermined precoder candidate set are provided from the eNB through radio resource control (RRC) layer signaling.