公开(公告)号：US09294948B2

公开(公告)日：2016-03-22

申请号：US14378298

申请日：2013-03-22

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae Kim ,  Kijun Kim

IPC: H04W24/08 ,  H04B17/345 ,  H04B17/318

CPC classification number: H04W24/08 ,  H04B17/318 ,  H04B17/345

Abstract: The present invention relates to a wireless communication system and, more particularly, to a method for enabling a terminal to measure the strength of an interference signal in a wireless communication system and a device therefor, wherein the method comprises the steps of: measuring a first interference strength, which is the strength of an interference signal received from a first base station group; calculating a second interference strength, which is the strength of an interference signal received from a second base station group; and correcting the first interference strength on the basis of the second interference strength.

Abstract translation: 本发明涉及一种无线通信系统，更具体地，涉及一种能够使终端能够测量无线通信系统及其装置中的干扰信号的强度的方法，其中，所述方法包括以下步骤：测量第一 干扰强度，其是从第一基站组接收的干扰信号的强度; 计算第二干扰强度，其是从第二基站组接收的干扰信号的强度; 并且基于第二干涉强度来校正第一干涉强度。

公开(公告)号：US20150381253A1

公开(公告)日：2015-12-31

申请号：US14767764

申请日：2014-04-29

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae Kim ,  Kijun Kim ,  Hyunho Lee

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

CPC classification number: H04B7/0626 ,  H04B7/0478 ,  H04B7/0482 ,  H04B7/0486 ,  H04B7/063 ,  H04B7/0632 ,  H04B7/0639 ,  H04L1/0026 ,  H04L1/0027 ,  H04L5/0057 ,  H04L25/03898 ,  H04W72/0413

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; and feeding back the CSI on the basis of the subsampled code book, wherein the CSI includes a rank indicator (RI) reported together with a precoding type indicator (PTI), and if the RI is greater than 2, the PTI is set to one.

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，一种用于在无线通信系统中由终端发送信道状态信息（CSI）的方法包括以下步骤：对四个天线端口的码本进行二次采样; 并且基于子采样码本反馈CSI，其中CSI包括与预编码类型指示符（PTI）一起报告的秩指示符（RI），并且如果RI大于2，则将PTI设置为1 。

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：US20150215093A1

公开(公告)日：2015-07-30

申请号：US14421787

申请日：2013-09-16

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae Kim ,  Jonghyun Park ,  Kijun Kim ,  Eunsun Kim

IPC: H04L5/00 ,  H04B7/06

CPC classification number: H04L5/0048 ,  H04B7/024 ,  H04B7/0626 ,  H04L5/0005 ,  H04L5/0023 ,  H04L5/0035 ,  H04L5/0053 ,  H04L5/0057 ,  H04L5/0073 ,  H04L5/0094 ,  H04W72/042 ,  H04W72/0446

Abstract: The present invention relates to a wireless communication system. A method for reporting CSI (Channel State Information) in a cooperative multi-point (CoMP) wireless communication system, the method performed by a user equipment (UE) and comprising receiving first resource configuration information for a CSI-RS (Channel-State Information-Reference Signal) and second resource configuration information for interference measurement; and calculating CSI using the first resource configuration information and the second resource configuration information, the CSI being for one or more base stations (BSs) among a plurality of BSs participating the COMP, wherein an interference measurement resource according to the second resource configuration information exists in a union of zero-power CSI-RS resources of each of the plurality of BSs.

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。 一种用于在协同多点（CoMP）无线通信系统中报告CSI（信道状态信息）的方法，所述方法由用户设备（UE）执行，并且包括：接收CSI-RS的第一资源配置信息（信道状态信息 - 参考信号）和第二资源配置信息进行干扰测量; 以及使用所述第一资源配置信息和所述第二资源配置信息来计算CSI，所述CSI用于参与所述COMP的多个BS中的一个或多个基站（BS），其中存在根据所述第二资源配置信息的干扰测量资源 在多个BS中的每一个的零功率CSI-RS资源的联合中。

公开(公告)号：US20150146641A1

公开(公告)日：2015-05-28

申请号：US14409944

申请日：2013-07-12

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae Kim ,  Kijun Kim

IPC: H04L5/00

CPC classification number: H04L5/0048 ,  H04L1/0026 ,  H04L5/001 ,  H04L5/0023 ,  H04L5/0035 ,  H04L5/0057 ,  H04L5/0094 ,  H04L25/0204

Abstract: The present invention relates to a method for a terminal feeding back channel state information in a wireless communication system. More specifically, the method comprises the steps of receiving from a base station setting information on a plurality of pieces of channel state information (CSI); and generating at least one piece of channel state information by applying channel state information of a common subband in accordance with the setting information.

Abstract translation: 本发明涉及无线通信系统中终端反馈信道状态信息的方法。 更具体地，该方法包括以下步骤：从基站接收关于多条信道状态信息（CSI）的信息; 以及通过根据所述设置信息应用公共子带的信道状态信息来生成至少一条信道状态信息。

公开(公告)号：US20150049625A1

公开(公告)日：2015-02-19

申请号：US14385095

申请日：2013-03-14

Applicant: LG ELECTRONICS INC.

Inventor： Kijun Kim ,  Jonghyun Park ,  Illsoo Sohn ,  Hyungtae Kim

IPC: H04B7/06 ,  H04W24/10 ,  H04B7/02

CPC classification number: H04B7/0626 ,  H04B7/024 ,  H04B7/0619 ,  H04L1/0026 ,  H04L1/0077 ,  H04L2001/0092 ,  H04W24/10

Abstract: One embodiment of the present invention is a method for reporting channel state information by means of a terminal in a wireless communication system, the method comprising: a step of measuring a channel using at least one channel state information-reference signal (CSI-RS) indicated by at least one feedback type index from among a plurality of feedback type indices; and a step of generating channel state information based on the channel measurement and reporting the channel state information. Each of the plurality of feedback type indices indicates one or more CSI-RS configurations to be used in channel estimation and an effective channel relating to said one or more CSI-RS configurations.

Abstract translation: 本发明的一个实施例是一种通过无线通信系统中的终端来报告信道状态信息的方法，所述方法包括：使用至少一个信道状态信息参考信号（CSI-RS）测量信道的步骤， 由多个反馈型索引中的至少一个反馈类型索引指示; 以及基于信道测量产生信道状态信息并报告信道状态信息的步骤。 多个反馈型索引中的每一个指示要在信道估计中使用的一个或多个CSI-RS配置和与所述一个或多个CSI-RS配置有关的有效信道。

公开(公告)号：US08923253B2

公开(公告)日：2014-12-30

申请号：US13653125

申请日：2012-10-16

Applicant: LG Electronics Inc.

Inventor： Hanjun Park ,  Seungmin Lee ,  Hyungtae Kim ,  Hanbyul Seo

IPC: H04J3/00 ,  H04L1/00 ,  H04L5/00 ,  H04W72/04 ,  H04W28/06 ,  H04W72/12

CPC classification number: H04L1/0026 ,  H04L1/0027 ,  H04L1/0031 ,  H04L1/0077 ,  H04L5/0007 ,  H04L5/0035 ,  H04L5/0057 ,  H04W28/06 ,  H04W72/042 ,  H04W72/0446 ,  H04W72/0453 ,  H04W72/1289

Abstract: A method for transmitting, by a user equipment (UE), a channel state information (CSI) in a wireless communication system is disclosed. The method includes receiving control information about a transmission of the CSI from a serving eNodeB, allocating a CSI combination composed of different CSIs to one subframe based on the received control information, and transmitting the CSI combination to the serving eNodeB in the allocated subframe, wherein the control information includes information on a maximum payload size of a CSI being able to be transmitted in one subframe, a transmission period and a transmission start time point of the CSI combination, and a transmission period and a transmission start time point of each of the different CSIs.

Abstract translation: 公开了一种用户设备（UE）在无线通信系统中发送信道状态信息（CSI）的方法。 该方法包括从服务eNodeB接收关于CSI的传输的控制信息，基于接收到的控制信息，将由不同CSI组成的CSI组合分配给一个子帧，以及在所分配的子帧中向服务eNodeB发送CSI组合，其中 控制信息包括关于能够在一个子帧中发送的CSI的最大有效载荷大小的信息，CSI组合的发送周期和发送开始时间点，以及每个的发送周期和发送开始时间点 不同的CSI。

公开(公告)号：US20140314041A1

公开(公告)日：2014-10-23

申请号：US14359064

申请日：2013-01-11

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae Kim ,  Jonghyun Park ,  Hanbyul Seo ,  Kijun Kim

IPC: H04L5/00

CPC classification number: H04L5/0048 ,  H04B7/0456 ,  H04B7/0626 ,  H04L25/0204 ,  H04L25/0224

Abstract: The present invention relates to a wireless communication system, and more specifically, to a method and an apparatus for estimating a channel using a reference signal. According to one embodiment of the present invention, a method in which a terminal estimates a channel in a wireless communication system may comprise the steps of: receiving a cell-specific reference signal (CRS) and a channel state information-reference signal (CSI-RS) from a base station; generating CSI of a channel estimated using the CRS on the basis of a channel estimated using the CSI-RS and a mapping relationship between the CRS port and the CSI-RS port; reporting the generated CSI to the base station; and demodulating data on the basis of the channel estimated using the CRS.

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，更具体地，涉及一种使用参考信号估计信道的方法和装置。 根据本发明的一个实施例，终端估计无线通信系统中的信道的方法可以包括以下步骤：接收小区特定参考信号（CRS）和信道状态信息参考信号（CSI- RS）; 基于使用CSI-RS估计的信道和CRS端口与CSI-RS端口之间的映射关系，生成使用CRS估计的信道的CSI; 将生成的CSI报告给基站; 并且基于使用CRS估计的信道来解调数据。

公开(公告)号：US20140226612A1

公开(公告)日：2014-08-14

申请号：US14346722

申请日：2012-10-08

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae Kim ,  Illsoo Sohn ,  Hanbyul Seo

IPC: H04W24/10 ,  H04B7/02

CPC classification number: H04B7/0486 ,  H04B7/024 ,  H04B7/0417 ,  H04B7/063 ,  H04B7/0632 ,  H04B7/0639 ,  H04J11/0053 ,  H04L5/0051 ,  H04L5/0057 ,  H04L25/0228 ,  H04W24/10

Abstract: The present invention relates to a method and apparatus for transmitting channel state information in a cooperative multipoint communication system. A method for a terminal transmitting the channel state information (CSI) to multiple base stations according to one embodiment includes receiving a first piece of CSI setting information with respect to reporting of CSI including at least one of a rank indicator (RI), a precoding matrix indicator (PMI), and a channel quality indicator (CQI), with respect to a first base station; receiving a second piece of CSI setting information with respect to reporting of CSI including at least one of an RI, a PMI, and a CQI, with respect to a second base station; and transmitting the CSI with respect to the first base station and the second base station on the basis of the CSI setting information on the first and second base stations.

Abstract translation: 本发明涉及一种在协作多点通信系统中发送信道状态信息的方法和装置。 根据一个实施例的用于向多个基站发送信道状态信息（CSI）的终端的方法包括：接收关于CSI报告的CSI设置信息的第一片段，其包括秩指示符（RI），预编码 矩阵指示符（PMI）和信道质量指示符（CQI）; 相对于第二基站接收关于包括RI，PMI和CQI中的至少一个的CSI的报告的CSI设置信息的第二片段; 基于关于第一基站和第二基站的CSI设置信息，发送关于第一基站和第二基站的CSI。

公开(公告)号：US12289273B2

公开(公告)日：2025-04-29

申请号：US18439332

申请日：2024-02-12

Applicant: LG Electronics Inc.

Inventor： Hyungtae Kim ,  Suckchel Yang ,  Jiwon Kang ,  Jonghyun Park ,  Daesung Hwang ,  Kilbom Lee

IPC: H04W4/00 ,  H04L1/1812 ,  H04L5/00

Abstract: In the present disclosure, disclosed are a method for transmitting and receiving data in a wireless communication system and an apparatus therefor. Particularly, a method by which a user equipment (UE) supported by a plurality of apparatuses comprising a first apparatus and a second apparatus transmits and receives data in a wireless communication system comprises the steps of: receiving first control information from the first apparatus and receiving second control information from the second apparatus; receiving data from at least one of the first apparatus or the second apparatus; and transmitting, to at least one of the plurality of apparatuses, first feedback information regarding the first apparatus and second feedback information regarding the second apparatus, wherein the first control information and the second control information each comprises a downlink assignment index (DAI), and the DAI may be set on the basis of an index related to the plurality of apparatuses.