公开(公告)号：US11374712B2

公开(公告)日：2022-06-28

申请号：US16610260

申请日：2018-04-27

Applicant: LG Electronics Inc.

Inventor： Kunil Yum ,  Kijun Kim ,  Jiwon Kang ,  Sukhyon Yoon

IPC: H04L5/00 ,  H04B7/06 ,  H04L27/26 ,  H04W72/04

Abstract: A method by which a terminal receives a reference signal in a wireless communication system, according to one embodiment of the present disclosure, comprises the steps of: receiving a channel state information-reference signal (CSI-RS); and deriving a CSI by measuring the CSI-RS, wherein the CSI-RS is allocated to a wireless resource according to a preset time resource-related pattern, and the CSI-RS or a demodulation reference signal (DMRS) can be dropped according to predetermined priorities when the CSI-RS and the DMRS are overlapped on a symbol.

公开(公告)号：US11211984B2

公开(公告)日：2021-12-28

申请号：US16089345

申请日：2017-03-23

Applicant: LG ELECTRONICS INC.

Inventor： Kunil Yum ,  Yunjung Yi

IPC: H04B7/06 ,  H04W72/04 ,  H04B17/24 ,  H04B17/309 ,  H04W24/10

Abstract: The present invention relates to a method for reporting a channel state for a narrowband-Internet of Things (NB-IoT) terminal in a wireless communication system, the method, according to one embodiment of the present invention, being executed by a NB-IoT terminal configured so as to operate in a single resource block (BR)-unit NB, and comprising the steps of: receiving, from a base station, a request for the reporting of aperiodic channel state information; according to the request, calculating a channel quality indicator of at least one NB corresponding to a resource for which channel state information is being measured; and transmitting the calculated channel quality indicator to the base station, wherein the channel quality indicator is calculated during a valid subframe interval comprising at least one subframe, wherein the valid subframe interval may exclude a subframe in which a synchronization signal is transmitted from the at least one NB, or a subframe in which the terminal monitors a different NB that is not the at least one NB.

公开(公告)号：US11006428B2

公开(公告)日：2021-05-11

申请号：US16065757

申请日：2017-09-26

Applicant: LG Electronics Inc.

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

IPC: H04W72/08 ,  H04B17/336 ,  H04W24/10 ,  H04W72/04

Abstract: A method for measuring interference by a terminal in a wireless communication system according to one embodiment of the present invention may comprise the steps of: receiving interference measurement configuration information including a semi-persistence channel state information-interference (CSI-IM) configuration; receiving a request which indicates measurement of the semi-persistence CSI-IM configuration; and measuring the semi-persistence CSI-IM configuration in response to the received request, wherein the semi-persistence CSI-IM configuration may indicate CSI-IM which is performed at predetermined periods during a predetermined time interval.

公开(公告)号：US10998994B2

公开(公告)日：2021-05-04

申请号：US16380822

申请日：2019-04-10

Applicant: LG ELECTRONICS INC.

Inventor： Kilbom Lee ,  Hyunsoo Ko ,  Kyuseok Kim ,  Kijun Kim ,  Jiwon Kang ,  Kunil Yum

IPC: H04J11/00 ,  H04L27/12 ,  H04L27/38 ,  H04L5/00

Abstract: According to one embodiment of the present specification, a method by which a base station transmits a signal for removing phase noise in an mmWave communication system can be provided, wherein the method for removing phase noise can comprise the steps of: generating a shared PTRS for phase noise of a downlink signal; transmitting, to a terminal, shared PTRS pattern information on the shared PTRS through downlink signaling; and transmitting, to the terminal, the shared PTRS on the basis of the shared PTRS pattern information transmitted to the terminal.

公开(公告)号：US10985889B2

公开(公告)日：2021-04-20

申请号：US16737396

申请日：2020-01-08

Applicant: LG Electronics Inc.

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

IPC: H04L5/00 ,  H04L1/16 ,  H04L1/18 ,  H04W72/04

Abstract: According to one embodiment of the present invention, a method of decoding, by a user equipment, a downlink signal in a wireless communication system comprises the steps of: receiving rate matching pattern information indicating a rate matching resource having a repetition period from a base station; and decoding a downlink shared channel using the rate matching pattern information.

公开(公告)号：US10181964B2

公开(公告)日：2019-01-15

申请号：US15121465

申请日：2015-03-02

Applicant: LG ELECTRONICS INC.

Inventor： Kunil Yum ,  Youngtae Kim ,  Kijun Kim ,  Jonghyun Park

IPC: H04B7/06 ,  H04L25/02 ,  H04B17/24 ,  H04B17/345 ,  H04B17/309

Abstract: A method for reporting a channel state of a terminal performed by the terminal is disclosed. The method includes receiving a channel state information-reference signal (CSI-RS) configuration for verifying validity of channel estimation using only a part of two-dimensional (2D) array antenna ports configured for the terminal, verifying the validity of the channel estimation using CSI-RS configuration and obtaining a channel estimation validity indicator, and transmitting the channel estimation validity indicator and channel state information based on the channel estimation validity indicator.

公开(公告)号：US10009128B2

公开(公告)日：2018-06-26

申请号：US15114705

申请日：2015-03-03

Applicant: LG ELECTRONICS INC.

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

IPC: H04B17/309 ,  H04B17/382 ,  H04B7/06 ,  H04W24/10

CPC classification number: H04B17/309 ,  H04B7/024 ,  H04B7/0626 ,  H04B7/063 ,  H04B7/0632 ,  H04B7/0639 ,  H04B17/382 ,  H04J11/005 ,  H04W24/10

Abstract: Provided is a method for reporting a channel state, on which an interference cancellation performance is reflected, in a wireless communication system according to an embodiment of the present invention. The method may include: receiving, from a serving cell, a configuration for a channel state information (CSI) process (hereinafter, referred to as “enhanced CSI process”) for reporting the channel state on which the interference cancellation performance is reflected; receiving a signal at a CSI-interference measurement (CSI-IM) resource according to the enhanced CSI process; and calculating a value of the reporting of the channel state on which the interference cancellation performance is reflected, by removing an interference signal, which is from a specific interference cell among one or more interference cells.

公开(公告)号：US20170288757A1

公开(公告)日：2017-10-05

申请号：US15473911

申请日：2017-03-30

Applicant: LG Electronics Inc.

Inventor： Kunil Yum ,  Yunjung Yi

IPC: H04B7/06

CPC classification number: H04B7/0626 ,  H04L47/17 ,  H04W72/1226 ,  H04W74/0833

Abstract: A method of reporting a channel state, which is reported by a terminal configured to transmit and receive data while hopping in a unit of the specific number of resource blocks (RBs) in a wireless communication system, includes receiving a random access response including an aperiodic channel state report request in response to a transmitted random access preamble, calculating channel state information according to the aperiodic channel state report request in consideration of the number of repetitive transmissions for the terminal, and reporting the calculated channel state information to a base station. In this case, the number of repetitive transmissions for the terminal may be determined by a predetermined or signaled value.

公开(公告)号：US20170094547A1

公开(公告)日：2017-03-30

申请号：US15274687

申请日：2016-09-23

Applicant: LG Electronics Inc.

Inventor： Kunil Yum ,  Yunjung Yi ,  Seonwook Kim

IPC: H04W24/10 ,  H04W72/04 ,  H04W56/00

CPC classification number: H04W56/001 ,  H04L5/00 ,  H04W72/04

Abstract: A method of measuring a channel, which is measured by a terminal configured to operate on two or more frequency bands, each of the frequency bands being configured with a subcarrier spacing different from each other in a wireless communication system, may include performing blind detection on a synchronization signal or a reference signal defined by each subcarrier spacing, determining a subcarrier spacing configured for the terminal according to the detected synchronization signal or the reference signal, and performing channel measurement using the detected synchronization signal or the reference signal.

公开(公告)号：US20170086195A1

公开(公告)日：2017-03-23

申请号：US15268078

申请日：2016-09-16

Applicant: LG Electronics Inc.

Inventor： Kunil Yum ,  Jonghyun Park

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

CPC classification number: H04B7/0626 ,  H04B7/0417 ,  H04B7/0695 ,  H04L5/0057

Abstract: A method of reporting a downlink channel state, which is performed by a terminal in a wireless communication system, includes receiving a CSI process configuration including a plurality of channel state information-reference signal (CSI-RS) resources to which a different vertical precoding is applied from each other, measuring a CSI-RS on the plurality of the CSI-RS resources under an assumption that all of the plurality of the CSI-RS resources have the predetermined number of antenna ports, and reporting a beam index (BI) indicating a CSI-RS resource having a highest channel quality indicator (CQI) among the plurality of the CSI-RS resources corresponding to the measured CSI-RS resources to a base station.