公开(公告)号：US09184818B2

公开(公告)日：2015-11-10

申请号：US14346722

申请日：2012-10-08

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae Kim ,  Illsoo Sohn ,  Hanbyul Seo

IPC: H04B7/04 ,  H04B7/02 ,  H04W24/10 ,  H04B7/06 ,  H04L5/00 ,  H04L25/02 ,  H04J11/00

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：US20150207600A1

公开(公告)日：2015-07-23

申请号：US14415486

申请日：2013-07-11

Applicant: LG ELECTRONICS INC.

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

IPC: H04L5/00 ,  H04W56/00

CPC classification number: H04L5/0048 ,  H04B7/024 ,  H04B7/0626 ,  H04L5/0035 ,  H04L5/0037 ,  H04L5/005 ,  H04L5/0051 ,  H04L5/0053 ,  H04W56/0005

Abstract: The present application discloses a method for enabling a terminal to report channel status information in a base station cooperative wireless communication system. Particularly, the method for enabling a terminal to report channel status information in a base station cooperative wireless communication system comprises the steps of: receiving, from a serving base station, first resource setting information for a channel status information-reference signal (CSI-RS) and second resource setting information for measuring interference: receiving a triggering signal for reporting the channel status information from the serving base station; calculating the channel status information on the serving base station and/or one or more cooperative base stations by using the first resource setting information and the second resource setting information; and reporting the channel status information to the serving base station, wherein the first resource setting information and the second resource setting information include information on an antenna port capable of referring to a large scale property of a wireless channel.

Abstract translation: 本申请公开了一种使终端能够在基站协作无线通信系统中报告信道状态信息的方法。 具体地说，使终端能够在基站协作无线通信系统中报告信道状态信息的方法包括以下步骤：从服务基站接收信道状态信息参考信号（CSI-RS ）和用于测量干扰的第二资源设置信息：从服务基站接收用于报告信道状态信息的触发信号; 通过使用第一资源设置信息和第二资源设置信息来计算服务基站和/或一个或多个协作基站上的信道状态信息; 并向所述服务基站报告所述信道状态信息，其中所述第一资源设置信息和所述第二资源设置信息包括关于能够参考无线信道的大规模属性的天线端口的信息。

公开(公告)号：US20150063177A1

公开(公告)日：2015-03-05

申请号：US14384137

申请日：2013-08-20

Applicant: LG ELECTRONICS INC.

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

IPC: H04L5/00 ,  H04B7/02 ,  H04W24/10 ,  H04L5/14

CPC classification number: H04L5/0048 ,  H04B7/024 ,  H04L5/0023 ,  H04L5/0035 ,  H04L5/0053 ,  H04L5/14 ,  H04W24/10

Abstract: The present invention relates to a wireless communication system. A method for transmitting channel state information (CSI) by a user equipment in a wireless communication system includes receiving a CSI-reference signal (CSI-RS), determining overhead of a common reference signal (CRS) resource element based on the same antenna port number as an antenna port number associated with the CSI-RS, and transmitting the CSI calculated based on the CSI-RS and the overhead of the CRS resource element.

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。 一种用于在无线通信系统中由用户设备发送信道状态信息（CSI）的方法包括：接收CSI-参考信号（CSI-RS），基于相同的天线端口确定公共参考信号（CRS）资源元素的开销 数字作为与CSI-RS相关联的天线端口号，并且发送基于CSI-RS计算的CSI和CRS资源元素的开销。

公开(公告)号：US20150055555A1

公开(公告)日：2015-02-26

申请号：US14382244

申请日：2013-04-22

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae Kim ,  Kijun Kim ,  Illsoo Sohn

IPC: H04W24/10 ,  H04W24/08

CPC classification number: H04W24/10 ,  H04L25/02 ,  H04W24/08

Abstract: The present invention relates to a wireless communication system. More specifically, the present invention relates to a method for reporting a channel state by a terminal to a serving base station in a wireless communication system, wherein extra channel state information is reported to enable the serving base station to estimate the channel state more accurately. When the base station estimates the channel state with the terminal, the channel state information received from the terminal, the extra channel state information, and traffic information of neighboring base stations are collectively considered to estimate the channel state with the terminal, thereby enabling estimation of the channel state with improved reliability and accuracy.

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，本发明涉及一种用于在无线通信系统中向终端向服务基站报告信道状态的方法，其中报告额外的信道状态信息以使得服务基站能够更准确地估计信道状态。 当基站用终端估计信道状态时，从终端接收的信道状态信息，附加信道状态信息和相邻基​​站的业务信息被统称为与终端估计信道状态，从而能够估计 通道状态提高了可靠性和准确性。

公开(公告)号：US20150023280A1

公开(公告)日：2015-01-22

申请号：US14383220

申请日：2013-10-22

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae Kim ,  Jonghyun Park ,  Kijun Kim

IPC: H04L5/00 ,  H04B7/04

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：US20150009928A1

公开(公告)日：2015-01-08

申请号：US14376971

申请日：2013-03-07

Applicant: LG ELECTRONICS INC.

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

IPC: H04W74/08 ,  H04L1/00

CPC classification number: H04W74/0875 ,  H04B7/024 ,  H04B7/0626 ,  H04B7/063 ,  H04B7/0632 ,  H04B7/0639 ,  H04B7/0647 ,  H04L1/0026 ,  H04L1/0027 ,  H04L1/0693 ,  H04W24/10

Abstract: The present invention relates to a wireless communication system. More particularly, the present invention relates to a method and apparatus for a terminal to report channel state information in a wireless communication system, the method comprising: a step of transmitting first channel state information according to a first channel state information (CSI) process for reporting the first channel state information periodically for every first period; a step of transmitting second channel state information according to a second CSI process for reporting the second channel state information periodically for every second period; and a step of dropping the transmission of either the first channel state information or the second channel state information on the basis of the CSI process index of each of the first and second CSI processes in the event the first channel state information transmission timing and the second channel state information transmission timing conflict.

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。 更具体地说，本发明涉及终端在无线通信系统中报告信道状态信息的方法和装置，该方法包括：根据第一信道状态信息（CSI）处理发送第一信道状态信息的步骤， 每第一个周​​期定期报告第一个信道状态信息; 根据用于每隔一个周期定期报告第二信道状态信息的第二CSI处理来发送第二信道状态信息的步骤; 以及在第一信道状态信息发送定时和第二信道状态信息发送定时的情况下，基于第一和第二CSI处理中的每一个的CSI处理索引来丢弃第一信道状态信息或第二信道状态信息的传输的步骤 信道状态信息传输定时冲突。

公开(公告)号：US20140241454A1

公开(公告)日：2014-08-28

申请号：US14347840

申请日：2012-10-08

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae Kim ,  Hanbyul Seo

IPC: H04B7/04

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 wireless communication system, and more specifically, disclosed are a method and an apparatus for transmitting channel state information in a cooperative multipoint communication system. A method for a terminal transmitting the channel state information (CSI) with respect to multiple base stations in a wireless communication system, according to one embodiment of the present invention, comprises the steps of: receiving information on a periodic report setting of CSI including a rank indicator (RI) with respect to a first base station and a first type of precoding matrix indicator (PMI), and information on a periodic report setting of CSI including an RI with respect to a second base station and the first type of precoding matrix; and a step of transmitting the CSI to the first base station and the second base station on the basis of CSI report setting with respect to the first base station and the second base station, wherein a report on one of the first type of PMI with respect to the first base station, the first type of PMI with respect to the second base station, and the RI with respect to the second base station is omitted, and additional CIS can be transmitted when the report is omitted.

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，更具体地说，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。 根据本发明的一个实施例，一种在无线通信系统中针对多个基站发送信道状态信息（CSI）的终端的方法包括以下步骤：接收关于CSI的周期性报告设置的信息，包括 对于第一基站和第一类型的预编码矩阵指示符（PMI）的秩指示符（RI）以及关于包括相对于第二基站的RI的CSI的周期性报告设置的信息和第一类型的预编码矩阵 ; 以及基于相对于所述第一基站和所述第二基站的CSI报告设置向所述第一基站和所述第二基站发送所述CSI的步骤，其中，关于所述第一类型的PMI之一的报告与 省略第一基站相对于第二基站的第一类型的PMI，相对于第二基站的RI，省略报告时也可以发送附加的CIS。

公开(公告)号：US20140241201A1

公开(公告)日：2014-08-28

申请号：US14349384

申请日：2012-10-11

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae Kim ,  Hanbyul Seo

IPC: H04L5/00 ,  H04W24/10

CPC classification number: H04L5/0035 ,  H04B7/024 ,  H04B7/0417 ,  H04B7/063 ,  H04B7/0632 ,  H04B7/0636 ,  H04B7/0639 ,  H04J11/0053 ,  H04L5/005 ,  H04L5/0057 ,  H04L5/0073 ,  H04W24/10

Abstract: The present invention relates to a wireless communication system, and more specifically to a method and an apparatus for feeding back the muting point information in a coordinated multi-point communication system. A method for enabling a terminal to transmit feedback information for the coordinated transmission in the wireless communication system according to one embodiment of the present invention comprises the steps: receiving reference signals for the feedback of the channel state information from a plurality of base stations capable of participating in the coordinated transmission; measuring each channel state value for the plurality of base stations based on the reference signals; and transmitting the muting point information to indicate the preferring base station participating in the coordinated transmission among the plurality of base stations.

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，更具体地说，涉及一种在协调的多点通信系统中反馈静音点信息的方法和装置。 根据本发明的一个实施例，一种能够使终端能够发送用于无线通信系统中的协调传输的反馈信息的方法包括以下步骤：从多个基站接收信道状态信息的反馈信号，所述基站能够 参与协调传播; 基于所述参考信号来测量所述多个基站的每个信道状态值; 以及发送所述静默点信息以指示参与所述多个基站之间的协调传输的优选基站。

公开(公告)号：US20130094460A1

公开(公告)日：2013-04-18

申请号：US13652922

申请日：2012-10-16

Applicant: LG ELECTRONICS INC.

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

IPC: H04W72/04

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：US12261664B2

公开(公告)日：2025-03-25

申请号：US17802492

申请日：2021-02-25

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae Kim ,  Jiwon Kang ,  Haewook Park

IPC: H04B7/06 ,  H04B17/336 ,  H04W16/28

Abstract: Disclosed are a method and apparatus for transmitting and receiving channel state information in a wireless communication system. A method for transmitting channel state information (CSI) according to an embodiment of the present disclosure may comprise the steps of: receiving configuration information related to the CSI from a base station; receiving one or more reference signal (RS) resources transmitted from the base station through different downlink spatial domain transmission filters; and transmitting, to the base station, the CSI including a layer 1 signal-to-interference-plus-noise ratio (L1-SINR) generated on the basis of the one or more RS resources.