公开(公告)号：WO2014204171A1

公开(公告)日：2014-12-24

申请号：PCT/KR2014/005296

申请日：2014-06-17

Applicant: LG ELECTRONICS INC.

Inventor： KIM, Kijun ,  PARK, Jonghyun ,  LEE, Hyunho ,  KIM, Hyungtae

IPC: H04J11/00 ,  H04B7/26

CPC classification number: H04W72/082 ,  H04J11/0053 ,  H04L5/0023 ,  H04L5/0048 ,  H04L5/0073 ,  H04L27/261 ,  H04W72/005 ,  H04W72/0446 ,  H04W88/02

Abstract: Provided herein is a method for interference cancellation for a UE having interference cancellation capability in a wireless communication system, the method comprising: receiving information on a reference signal transmitted from an interfering cell having the possibility of causing inter-cell interference; and attempting to detect the reference signal using the received information on the reference signal, wherein the information on the reference signal is received when the interfering cell and a serving cell of the UE have the same cyclic prefix (CP) length and are synchronized with each other.

Abstract translation: 本文提供了一种用于在无线通信系统中具有干扰消除能力的UE的干扰消除方法，所述方法包括：接收关于从具有导致小区间干扰的可能性的干扰小区发送的参考信号的信息; 并且尝试使用所接收的关于参考信号的信息来检测参考信号，其中当所述干扰小区和所述UE的服务小区具有相同的循环前缀（CP）长度并且与每个所述相同的循环前缀（CP）长度同步时，接收关于所述参考信号的信息 其他。

公开(公告)号：WO2014123386A1

公开(公告)日：2014-08-14

申请号：PCT/KR2014/001056

申请日：2014-02-07

Applicant: LG ELECTRONICS INC.

Inventor： PARK, Hanjun ,  KIM, Hyungtae ,  PARK, Jonghyun ,  KIM, Kijun ,  SEO, Hanbyul

IPC: H04W24/10 ,  H04J11/00

CPC classification number: H04W24/10 ,  H04B7/0626 ,  H04B7/0639 ,  H04J11/005 ,  H04L1/00 ,  H04L5/0057 ,  H04W24/08 ,  H04W72/1226 ,  H04W74/006

Abstract: A method and apparatus for reporting a downlink channel state are disclosed. The method for reporting channel state information (CSI) to a base station (BS) by a user equipment (UE) in a wireless communication system having frequency-selective inter-cell interference, includes: performing channel measurement in a frequency band configured for downlink channel measurement; and reporting downlink channel state information (CSI) in accordance with the downlink channel measurement, wherein the frequency band is independently configured for each information contained in the CSI, and thus the downlink channel measurement is performed in each information-specifically configured frequency band contained in the CSI. As a result, the method and apparatus can efficiently report downlink channel state information, such that a higher-quality communication environment is expected in a heterogeneous cell environment.

Abstract translation: 公开了一种用于报告下行链路信道状态的方法和装置。 在具有频率选择性小区间干扰的无线通信系统中，由用户设备（UE）向基站（BS）报告信道状态信息（CSI）的方法包括：在针对下行链路配置的频带中进行信道测量 通道测量; 并根据下行链路信道测量报告下行链路信道状态信息（CSI），其中，针对包含在CSI中的每个信息独立地配置频带，因此在包含在每个信息专用配置的频带中执行下行链路信道测量 CSI。 结果，该方法和装置可以有效地报告下行链路信道状态信息，使得在异构小区环境中期望更高质量的通信环境。

公开(公告)号：WO2014065564A1

公开(公告)日：2014-05-01

申请号：PCT/KR2013/009418

申请日：2013-10-22

Applicant: LG ELECTRONICS INC.

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

IPC: H04W24/10

CPC classification number: H04W24/10 ,  H04B7/024 ,  H04B7/04 ,  H04B7/0417 ,  H04B7/0626 ,  H04B7/0658 ,  H04L5/0023 ,  H04L5/0035 ,  H04L5/0048 ,  H04L5/0057 ,  H04L5/0073 ,  H04L5/0082 ,  H04L5/0091 ,  H04L5/0094 ,  H04W76/27 ,  H04W88/08

Abstract: The present invention relates to a method for receiving a reference CSI configuration information and a following CSI configuration information which is configured to report a same RI (Rank Indicator) as the reference CSI configuration information, receiving a first CSI-RS (Channel State Information-Resource Signal) configuration information associated with the reference CSI configuration and a second CSI-RS configuration information associated with the following CSI configuration, number of CSI-RS antenna ports according to the second CSI-RS configuration information is same as number of CSI-RS antenna ports according to the first CSI-RS configuration information; and transmitting CSI determined based on at least one of the first CSI-RS configuration information and the second CSI-RS configuration information.

Abstract translation: 本发明涉及一种用于接收参考CSI配置信息和后续CSI配置信息的方法，该配置信息被配置为报告与参考CSI配置信息相同的RI（秩指示符），接收第一CSI-RS（信道状态信息 - 资源信号）配置信息和与以下CSI配置相关联的第二CSI-RS配置信息，根据第二CSI-RS配置信息的CSI-RS天线端口的数量与CSI-RS的数量相同 天线端口根据第一CSI-RS配置信息; 以及发送基于所述第一CSI-RS配置信息和所述第二CSI-RS配置信息中的至少一个所确定的CSI。

公开(公告)号：WO2010035963A2

公开(公告)日：2010-04-01

申请号：PCT/KR2009/004978

申请日：2009-09-03

Applicant: LG ELECTRONICS INC. ,  INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY ,  YANG, Suckchel ,  KIM, Dong Ku ,  KIM, Yo Han ,  YANG, Jang Hoon ,  KIM, Hyungtae ,  CHAE, Hyuk Jin

Inventor： YANG, Suckchel ,  KIM, Dong Ku ,  KIM, Yo Han ,  YANG, Jang Hoon ,  KIM, Hyungtae ,  CHAE, Hyuk Jin

IPC: H04B7/02

CPC classification number: H04B7/0617 ,  H04B7/024 ,  H04B7/0632

Abstract: A method and apparatus of configuring a multi-cell precoding matrix for a multiple input multiple output (MIMO) operation in a wireless communication system in which a plurality of base stations participate in cooperative communication is provided. A multi-cell precoding matrix is configured using one or more single-cell precoding matrices, and wherein coefficients to be multiplied by the single-cell precoding matrices satisfy a condition in which the product between the multi-cell precoding matrix and a Hermitian matrix of the multi-cell precoding matrix is a unitary matrix. According to the embodiment of the present invention, it is not necessary for all base stations to perfectly know channel information. In addition, a feedback overhead is not high, and complexity is low.

Abstract translation: 提供了一种在其中多个基站参与协作通信的无线通信系统中配置用于多输入多输出（MIMO）操作的多小区预编码矩阵的方法和装置。 使用一个或多个单小区预编码矩阵来配置多小区预编码矩阵，并且其中要与单小区预编码矩阵相乘的系数满足其中多小区预编码矩阵与Hermitian矩阵之间的乘积的条件 多小区预编码矩阵是酉矩阵。 根据本发明的实施例，所有基站不需要完全知道信道信息。 另外，反馈开销不高，复杂度低。

公开(公告)号：WO2016143996A1

公开(公告)日：2016-09-15

申请号：PCT/KR2016/000397

申请日：2016-01-14

Applicant: LG ELECTRONICS INC.

Inventor： KIM, Hyungtae ,  KIM, Kijun ,  SEO, Hanbyul ,  KIM, Bonghoe ,  YI, Yunjung

IPC: H04J11/00 ,  H04B7/02 ,  H04B7/06

CPC classification number: H04W28/0221 ,  H04B7/0452 ,  H04B7/0617 ,  H04J11/004 ,  H04L5/0007 ,  H04L5/0016 ,  H04L27/3488 ,  H04W52/0212 ,  H04W52/0238 ,  H04W52/243

Abstract: A method for receiving a downlink signal from a base station (BS) by a user equipment (UE) in a wireless communication system is disclosed. The method includes receiving power multiplexing information from the BS, receiving a reference signal and the downlink signal from the BS, calculating reception power of an interference signal from reception power of the downlink signal, using the reference signal and the power multiplexing information, and acquiring a data signal of the UE by eliminating the reception power of the interference signal from the reception power of the downlink signal.

Abstract translation: 公开了一种在无线通信系统中由用户设备（UE）从基站（BS）接收下行链路信号的方法。 该方法包括从BS接收功率复用信息，从BS接收参考信号和下行链路信号，使用参考信号和功率复用信息从下行链路信号的接收功率计算干扰信号的接收功率，并获取 通过从下行链路信号的接收功率中消除干扰信号的接收功率来实现UE的数据信号。

公开(公告)号：WO2016143994A1

公开(公告)日：2016-09-15

申请号：PCT/KR2016/000226

申请日：2016-01-11

Applicant: LG ELECTRONICS INC.

Inventor： KIM, Hyungtae ,  PARK, Jonghyun ,  KIM, Youngtae ,  LEE, Hyunho

IPC: H04B7/06 ,  H04B7/04

CPC classification number: H04B7/0617 ,  H04B7/0478 ,  H04B7/0639 ,  H04L5/0048 ,  H04L5/0057 ,  H04W88/02 ,  H04W88/08

Abstract: Disclosed herein a method of, at a user equipment (UE), reporting channel quality information for three-dimensional (3D) multiple input multiple output (MIMO) transmission to a base station in a wireless communication system. The method includes receiving information for vertical cycling beamforming from the base station, calculating the channel quality information using the information for the vertical cycling beamforming, on the assumption that different vertical beamforming is circularly applied in a predetermined resource unit to receive a downlink signal, and reporting the calculated channel quality information to the base station.

Abstract translation: 这里公开了一种在用户设备（UE）向无线通信系统中的基站报告用于三维（3D）多输入多输出（MIMO）传输的信道质量信息的方法。 该方法包括从基站接收用于垂直循环波束成形的信息，在假定在预定资源单元中循环应用不同的垂直波束成形以接收下行链路信号的情况下，使用垂直循环波束成形的信息计算信道质量信息，以及 将计算的信道质量信息报告给基站。

公开(公告)号：WO2014142464A1

公开(公告)日：2014-09-18

申请号：PCT/KR2014/001805

申请日：2014-03-05

Applicant: LG ELECTRONICS INC.

Inventor： KIM, Kijun ,  KIM, Hakseong ,  SEO, Hanbyul ,  KIM, Hyungtae ,  PARK, Jonghyun ,  KIM, Byounghoon

IPC: H04J11/00 ,  H04B7/26

CPC classification number: H04W72/082 ,  H04J11/004 ,  H04L1/0003 ,  H04L1/1812 ,  H04L5/0055 ,  H04W72/042 ,  H04W72/121 ,  H04W88/02 ,  H04W88/08

Abstract: A method for receiving interference information for interference cancellation of a user equipment (UE) includes receiving a multi-user downlink (DL) control channel including cyclic redundancy check (CRC) parity bits scrambled by a multi-user identifier (ID), from a base station (BS), wherein the multi-user DL control channel includes control information for each of a plurality of transport blocks (TBs) to be transmitted through a plurality of layers, and the TBs are configured to be transmitted to other UEs in a multi-user group, and decoding TBs to be transmitted to other UEs in the multi-user group using the control information.

Abstract translation: 一种用于接收用户设备（UE）的干扰消除的干扰信息的方法包括：接收由多用户标识符（ID）加扰的循环冗余校验（CRC）奇偶校验位的多用户下行链路（DL）控制信道， 基站（BS），其中所述多用户DL控制信道包括要通过多个层发送的多个传输块（TB）中的每一个的控制信息，并且所述TB被配置为以 多用户组，以及使用所述控制信息来解码将被发送到所述多用户组中的其他UE的TB。

公开(公告)号：WO2014003458A1

公开(公告)日：2014-01-03

申请号：PCT/KR2013/005705

申请日：2013-06-27

Applicant: LG ELECTRONICS INC.

Inventor： KIM, Hyungtae ,  SOHN, Illsoo ,  PARK, Jonghyun ,  KIM, Kijun ,  SEO, Hanbyul

IPC: H04B7/26

CPC classification number: H04L5/0053 ,  H04B7/024 ,  H04B7/0626 ,  H04B7/063 ,  H04B7/0632 ,  H04B7/0639 ,  H04B7/0647 ,  H04B7/066 ,  H04L1/0026 ,  H04L1/0027 ,  H04L5/0057 ,  H04W24/10

Abstract: A method for feeding back Channel State Information (CSI) using a common subband at a user equipment in a wireless communication system is disclosed. The method includes transmitting first CSI to at least one base station at a first transmission time point according to a first CSI feedback configuration, and transmitting second CSI to the at least one base station at a second transmission time point according to a second CSI feedback configuration, wherein the second CSI is generated based on the common subband when the second transmission time point is within a prescribed SubFrame Threshold (SFT) from the first transmission time point.

Abstract translation: 公开了一种在无线通信系统中的用户设备处使用公共子带反馈信道状态信息（CSI）的方法。 该方法包括根据第一CSI反馈配置在第一传输时间点将第一CSI发送到至少一个基站，并且根据第二CSI反馈配置在第二传输时间点将第二CSI发送到至少一个基站 其中，当所述第二发送时间点在从所述第一发送时间点开始的规定子帧阈值（SFT）内时，基于所述公共子带生成所述第二CSI。

公开(公告)号：WO2010085092A2

公开(公告)日：2010-07-29

申请号：PCT/KR2010/000377

申请日：2010-01-21

Applicant: LG ELECTRONICS INC. ,  KIM, Hyungtae ,  SEO, Hanbyul ,  KIM, Byoung Hoon

Inventor： KIM, Hyungtae ,  SEO, Hanbyul ,  KIM, Byoung Hoon

IPC: H04B7/04

CPC classification number: H04B7/0452 ,  H04B7/024 ,  H04B7/0634

Abstract: A method and apparatus of transmitting data in a coordinated multi-cell wireless communication system is provided. A base station receives information about beam-forming vectors, aligned with a channel to a user equipment placed in a neighbor cell, and about nulling beam-forming vectors for the channel to the user equipment from the neighbor cell, determines a transmission beam-forming vector based on the information, and transmits data to the user equipment using the transmission beam-forming vector.

Abstract translation: 提供了一种在协调的多小区无线通信系统中发送数据的方法和装置。 基站接收关于波束形成向量的信息，与向相邻小区中放置的用户设备的信道对准的信息，以及关于来自相邻小区的向用户设备的信道的波束成形向量，确定传输波束形成 基于该信息，并使用发送波束形成向量向用户设备发送数据。

公开(公告)号：EP4557627A1

公开(公告)日：2025-05-21

申请号：EP23839992.7

申请日：2023-07-13

Applicant: LG Electronics Inc.

Inventor： KIM, Hyungtae ,  KANG, Jiwon ,  PARK, Haewook

IPC: H04B7/06 ,  H04B7/0456 ,  H04B17/373 ,  H04B7/0413 ,  H04W24/08 ,  H04L5/00 ,  H04W88/02

Abstract: The present disclosure relates to a method by which a user equipment (UE) transmits prediction channel status information (CSI) in a wireless communication system. In particular, the method comprises the steps of: receiving, from a BS, a control signal for a prediction CSI report; receiving, from the BS, at least one measurement resource on the basis of the control signal for the prediction CSI report; measuring at least one prediction CSI related to one or more time instances on the basis of the at least one measurement resource; and transmitting, to the BS, the at least one prediction CSI, wherein a first minimum time interval until the at least one prediction CSI is transmitted after the control signal for the prediction CSI report is received is determined on the basis of the size of a measurement window, and the size of the measurement window is determined on the basis of the number of channel measurement resources (CMRs) from among the at least one measurement resource.