公开(公告)号：US09509383B2

公开(公告)日：2016-11-29

申请号：US14784422

申请日：2014-04-29

Applicant: LG ELECTRONICS INC.

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

IPC: H03D1/04 ,  H04B7/00 ,  H04B7/204 ,  H04B7/04 ,  H04B7/06

CPC classification number: H04B7/0486 ,  H04B7/0478 ,  H04B7/0626 ,  H04B7/063 ,  H04B7/0632 ,  H04B7/0639

Abstract: The present invention relates to a wireless communication system. According to one embodiment of the present invention, a method for transmitting, by a terminal, channel state information (CSI) in a wireless communication system comprises the steps of: subsampling a code book for four antenna ports, including sixteen precoding matrixes; and feeding back the CSI on the basis of the subsampled code book, wherein the CSI includes at least one of a rank indicator (RI), a precoding matrix indicator (PMI) and a channel quality indicator (CQI), and if the RI is 3, the subsampled code book can be determined so as to minimize a chordal distance between subsampled code words.

Abstract translation: 无线通信系统技术领域本发明涉及一种无线通信系统。 根据本发明的一个实施例，一种用于通过终端在无线通信系统中发送信道状态信息（CSI）的方法包括以下步骤：对包括十六个预编码矩阵的四个天线端口进行二次采样; 并且基于子采样码本反馈CSI，其中CSI包括秩指示符（RI），预编码矩阵指示符（PMI）和信道质量指示符（CQI）中的至少一个，并且如果RI是 如图3所示，可以确定子采样代码簿，以便使二次采样码字之间的弦距离最小化。

公开(公告)号：US20150296540A1

公开(公告)日：2015-10-15

申请号：US14670445

申请日：2015-03-27

Applicant: LG ELECTRONICS INC.

Inventor： Kunil Yum ,  Hyungtae Kim ,  Hyunho Lee

IPC: H04W74/04 ,  H04W72/04 ,  H04B7/02

CPC classification number: H04B7/024 ,  H04J11/00 ,  H04J11/0053

Abstract: A method of cancelling interference of a terminal is disclosed. The method includes receiving interference parameter configuration information including a transmission timing of interference parameter information indicating a restricted set of a plurality of interference parameters to be used by one or more interference base stations associated with the terminal and interference parameter release information including a transmission timing of an indicator indicating release of the interference parameter information, receiving the interference parameter information according to the interference parameter configuration information, performing interference cancellation using the received interference parameter information, attempting detection of the indicator according to the interference parameter release information, and performing the interference cancellation without the received interference parameter information or suspending the interference cancellation when the indicator is detected.

Abstract translation: 公开了消除终端干扰的方法。 所述方法包括：接收干扰参数配置信息，所述干扰参数配置信息包括指示要由与所述终端相关联的一个或多个干扰基站使用的多个干扰参数的受限制集合的干扰参数信息的传输定时和包括所述终端的传输定时的干扰参数释放信息 指示发布干扰参数信息的指示符，根据干扰参数配置信息接收干扰参数信息，使用接收到的干扰参数信息进行干扰消除，根据干扰参数释放信息尝试检测指示符，并执行干扰 在没有接收到的干扰参数信息的情况下取消或者当检测到指示符时暂停干扰消除。

公开(公告)号：US11616550B2

公开(公告)日：2023-03-28

申请号：US17055536

申请日：2019-05-17

Applicant: LG ELECTRONICS INC.

Inventor： Jaehoon Chung ,  Jiwon Kang ,  Haewook Park ,  Kunil Yum

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

Abstract: A method for a user equipment (UE) to report channel state information in a wireless communication system is disclosed. The method comprises if a plurality of bandwidth parts (BWPs) is configured for a reporting of the channel state information, constructing the channel state information based on at least one representative channel state information element per each bandwidth part, and reporting the channel state information to a base station, wherein the channel state information includes first channel state information including enhanced wideband per BWP (eWB) commonly related to channel state information of the plurality of bandwidth parts, and second channel state information related to channel state information of each bandwidth part included in the plurality of bandwidth parts.

公开(公告)号：US11589365B2

公开(公告)日：2023-02-21

申请号：US17214148

申请日：2021-03-26

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：US11496261B2

公开(公告)日：2022-11-08

申请号：US17224800

申请日：2021-04-07

Applicant: LG ELECTRONICS INC.

Inventor： Kukheon Choi ,  Kunil Yum ,  Jiwon Kang ,  Jonghyun Park

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

Abstract: Systems and techniques or transmitting and receiving a sounding reference signal (SRS) in a wireless communication system. In some implementations, a method for transmitting, by a terminal, an SRS in a wireless communication system includes: receiving configuration information for transmission of the SRS from a base station; and transmitting the SRS to the base station by using one or more SRS resources for transmission of the SRS, the configuration information including the one or more SRS resources and information relating to usage of the one or more SRS resources, wherein a guard period relating to the one or more SRS resources is configured, and when the transmissions of the guard period and a particular uplink channel configured for the terminal overlap each other, the priority between the guard period and the particular uplink channel is configured to be the same as that between the SRS and the particular uplink channel.

公开(公告)号：US11476879B2

公开(公告)日：2022-10-18

申请号：US17101959

申请日：2020-11-23

Applicant: LG ELECTRONICS INC.

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

IPC: H04B1/10 ,  H04B7/0456 ,  H04B7/06 ,  H04L1/00 ,  H04L5/00

Abstract: A method for operating a user equipment in a wireless communication is provided as an embodiment of the present invention. The method may include: receiving modulation and coding scheme (MCS) information for each of two or more codewords from a base station (BS); determining a demodulation reference signal (DMRS) antenna port to which a phase tracking reference signal (PTRS) antenna port is mapped based on the MCS information; and receiving a PTRS based on the DMRS antenna port, wherein a DMRS antenna port with the lowest index among one or more DMRS antenna ports included in a codeword with the highest MCS among the two or more codewords may be determined as the DMRS antenna port.

公开(公告)号：US11469869B2

公开(公告)日：2022-10-11

申请号：US17179261

申请日：2021-02-18

Applicant: LG ELECTRONICS INC.

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

IPC: H04L5/00 ,  H04W72/04

Abstract: A method for a base station to transmit a signal allowing a terminal to remove phase noise in an mmWave communication system, according to an embodiment of the present specification, may be provided. Here, the method for transmitting a signal for removing phase noise comprises: a step of generating a phase tracking reference signal (PTRS) and a first RS; a step of assigning the PTRS and the first RS to a resource block; and a step of transmitting the assigned PTRS and first RS, wherein the step of assigning the PTRS and the first RS includes a step of changing a frequency location of the PTRS if the PTRS and the first RS collide in the resource block, wherein the changed PTRS frequency location may be changed to a frequency location, across frequencies on which a predetermined demodulation reference signal (DMRS) port, associated with the PTRS, in a DMRS port group is located, which is closest to the existing PTRS frequency location and avoids collision with the first RS.

公开(公告)号：US11336354B2

公开(公告)日：2022-05-17

申请号：US16622867

申请日：2018-06-14

Applicant: LG ELECTRONICS INC.

Inventor： Haewook Park ,  Jiwon Kang ,  Kijun Kim ,  Hyunsoo Ko ,  Hyungtae Kim ,  Kunil Yum ,  Daesung Hwang

IPC: H04B7/06 ,  H04L1/00 ,  H04W24/10 ,  H04W72/08 ,  H04W88/02

Abstract: A CSI reporting method by a terminal in a wireless communication system can comprise the steps of: receiving, from a base station, CSI configuration information for CSI reporting; and reporting, to the base station, CSI generated on the basis of the CSI configuration information. If the CSI comprises CQI and defined is a CQI table in which different CQI indexes are allocated by different MCS levels for the CQI reporting, the CSI configuration information comprises a CQI index range reportable by the terminal in the CQI table and/or CQI configuration information relating to the interval between the CQI indexes reportable by the terminal in the CQI index range.

公开(公告)号：US11251851B2

公开(公告)日：2022-02-15

申请号：US16906742

申请日：2020-06-19

Applicant: LG Electronics Inc.

Inventor： Jiwon Kang ,  Suckchel Yang ,  Hyungtae Kim ,  Jonghyun Park ,  Kunil Yum

IPC: H04B7/06 ,  H04L5/00 ,  H04W48/10 ,  H04W72/04

Abstract: The present disclosure provides a method for reporting CSI in a wireless communication system. In the present disclosure, a method for reporting channel state information (CSI) in a wireless communication system, which is performed by a UE includes: receiving, from an eNB, downlink control information (DCI) indicating activation of semi-persistent (SP) CSI reporting, in which the downlink control information is scrambled with a specific RNTI distinguished from a Cell-Radio Network Temporary Identity (C-RNTI); and reporting, to the eNB, the semi-persistent CSI through a physical uplink shared channel (PUSCH) based on the received downlink control information.

公开(公告)号：US11012882B2

公开(公告)日：2021-05-18

申请号：US16337716

申请日：2017-09-27

Applicant: LG Electronics Inc.

Inventor： Kunil Yum ,  Jiwon Kang ,  Kijun Kim

IPC: H04W24/10 ,  H04B17/336 ,  H04W72/04 ,  H04W52/24

Abstract: An embodiment of the present disclosure relates to a method for interference measurement in a wireless communication system, and the method is performed by a base station and comprises the steps of: transmitting a resource setting for interference measurement, which is acquired from a neighboring interference base station, to a plurality of terminals, wherein the resource setting includes information on a predetermined beam used in each interference measurement resource; and receiving, from the plurality of terminals, a measurement result obtained by measurement in each interference measurement resource within the resource setting, wherein the measurement result includes indices of N beams in which a highest interference power is measured or indices of N interference measurement resources in which a highest interference power is measured, and N may be an integer of one or greater.