公开(公告)号：US09755800B2

公开(公告)日：2017-09-05

申请号：US14772061

申请日：2014-03-19

Applicant: LG ELECTRONICS INC.

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

IPC: H04W72/04 ,  H04L5/00 ,  H04J11/00 ,  H04B7/0456 ,  H04W72/08 ,  H04W72/12 ,  H04W74/00 ,  H04L1/00

CPC classification number: H04L5/0048 ,  H04B7/0456 ,  H04J11/005 ,  H04L1/00 ,  H04L5/0073 ,  H04W72/082 ,  H04W72/1273 ,  H04W72/1289 ,  H04W74/006

Abstract: The present invention relates to a wireless communication system. A method by which a terminal cancels interference and receives data in a wireless communication system, according to one embodiment of the present invention, comprises the steps of receiving first downlink control information (DCI) including scheduling information for receiving a physical downlink shared channel (PDSCH) from a base station, receiving second DCI including scheduling information on an interference channel from a second base station, and canceling the interference from the second base station on the basis of the first DCI and the second DCI, and receiving the PDSCH.

公开(公告)号：US09749106B2

公开(公告)日：2017-08-29

申请号：US15343816

申请日：2016-11-04

Applicant: LG ELECTRONICS INC.

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

IPC: H04W4/00 ,  H04L5/00 ,  H04W24/10 ,  H04B7/024 ,  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.

公开(公告)号：US09614655B2

公开(公告)日：2017-04-04

申请号：US14418051

申请日：2013-08-02

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae Kim ,  Kijun Kim

IPC: H04L5/00 ,  H04B7/06 ,  H04B7/024 ,  H04B7/04 ,  H04W72/04 ,  H04B7/0417 ,  H04W88/02 ,  H04W88/08

CPC classification number: H04L5/0053 ,  H04B7/024 ,  H04B7/0417 ,  H04B7/0486 ,  H04B7/0626 ,  H04B7/0632 ,  H04B7/0634 ,  H04B7/0639 ,  H04L5/0032 ,  H04L5/0057 ,  H04W72/0413 ,  H04W88/02 ,  H04W88/08

Abstract: The present invention relates to a wireless communication system. The method for transmitting channel state information (CSI) on a plurality of base stations by means of a terminal in a wireless communication system according to one embodiment of the present invention comprises: a step of receiving N-number of CSI configurations for a CSI report; a step of receiving information indicating M-number (wherein, 2≦M≦N) of CSI configurations which use a common CSI among the N-number of CSI configurations; and a step of transmitting the common CSI based on one CSI configuration selected from among the M-number of CSI configurations to transmit the common CSI.

公开(公告)号：US09608785B2

公开(公告)日：2017-03-28

申请号：US14359064

申请日：2013-01-11

Applicant: LG ELECTRONICS INC.

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

IPC: H04L25/02 ,  H04L5/00 ,  H04B7/06 ,  H04B7/0456

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.

公开(公告)号：US09590705B2

公开(公告)日：2017-03-07

申请号：US14441737

申请日：2013-11-08

Applicant: LG ELECTRONICS INC.

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

IPC: H04W72/06 ,  H04B7/04 ,  H04B7/06 ,  H04L5/00 ,  H04J11/00 ,  H04W24/10 ,  H04B7/02

CPC classification number: H04B7/0417 ,  H04B7/024 ,  H04B7/0413 ,  H04B7/0478 ,  H04B7/0486 ,  H04B7/0617 ,  H04B7/0626 ,  H04B7/063 ,  H04B7/0632 ,  H04B7/068 ,  H04B7/0691 ,  H04J11/005 ,  H04L5/0048 ,  H04L5/0057 ,  H04L5/0073 ,  H04W24/10

Abstract: The present invention relates to a wireless communication system. A method by which a user equipment reports a channel state information (CSI) in a wireless communication system, according to one embodiment of the present invention, can comprise the steps of: setting up a first CSI process in which a subframe pattern for a first subframe set, which uses an almost blank subframe (ABS), and a second subframe set, which does not use the ABS, is set; setting up a second CSI process in which the subframe pattern is not set; setting a second rank indicator (RI) of the second CSI process to be the same as a first RI corresponding to the second subframe set when the second CSI process is established so as to have the same RI as the first CSI process; and transmitting the CSI on the basis of the first CSI process and/or the second CSI process.

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，用户设备在无线通信系统中报告信道状态信息（CSI）的方法可以包括以下步骤：建立第一CSI过程，其中第一CSI帧的子帧模式 设置使用几乎空白的子帧（ABS）的子帧组和不使用ABS的第二子帧组; 建立子帧模式未设置的第二CSI进程; 当所述第二CSI处理被建立以使得具有与所述第一CSI进程相同的RI时，将所述第二CSI进程的第二等级指示符（RI）设置为与对应于所述第二子帧集合的第一RI相同; 以及基于所述第一CSI进程和/或所述第二CSI进程发送所述CSI。

公开(公告)号：US20170013609A1

公开(公告)日：2017-01-12

申请号：US15113405

申请日：2015-03-11

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae Kim ,  Hyunho Lee

IPC: H04W72/04 ,  H04W72/08 ,  H04W52/24 ,  H04L5/00

CPC classification number: H04W72/0413 ,  H04B7/0478 ,  H04B17/24 ,  H04B17/336 ,  H04L5/0023 ,  H04L5/0032 ,  H04L5/0048 ,  H04L5/0053 ,  H04L5/0057 ,  H04W52/243 ,  H04W72/082

Abstract: The present invention relates to a wireless communication system. A method of removing interference and receiving data by means of a terminal in a wireless communication system according to an embodiment of the present invention may include: transmitting first generic channel state information (CSI) generated based on required signal power from a serving cell; transmitting second generic CSI generated based on interference signal power from an interference cell; and receiving data generated based on CSI recalculated by using an interference condition that has changed after the transmission of the first and second generic CSI.

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。 根据本发明的实施例的在无线通信系统中通过终端去除干扰和接收数据的方法可以包括：发送从服务小区基于所需信号功率生成的第一通用信道状态信息（CSI）; 发送基于来自干扰小区的干扰信号功率生成的第二通用CSI; 以及接收基于通过使用在第一和第二通用CSI的发送之后已经改变的干扰条件重新计算的CSI生成的数据。

公开(公告)号：US09525530B2

公开(公告)日：2016-12-20

申请号：US14409944

申请日：2013-07-12

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae Kim ,  Kijun Kim

IPC: H04L5/00 ,  H04L1/00 ,  H04L25/02

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：US09525466B2

公开(公告)日：2016-12-20

申请号：US14670445

申请日：2015-03-27

Applicant: LG Electronics Inc.

Inventor： Kunil Yum ,  Hyungtae Kim ,  Hyunho Lee

IPC: H04W74/04 ,  H04B7/02 ,  H04J11/00

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发射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：US09236990B2

公开(公告)日：2016-01-12

申请号：US14622332

申请日：2015-02-13

Applicant: LG ELECTRONICS INC.

Inventor： Kijun Kim ,  Hyungtae Kim ,  Hanbyul Seo ,  Daewon Lee

IPC: H04L5/00 ,  H04W24/08 ,  H04W72/04 ,  H04B7/02 ,  H04B7/06 ,  H04J11/00 ,  H04L25/03 ,  H04W88/02 ,  H04W88/08

CPC classification number: H04B7/0626 ,  H04B7/024 ,  H04J11/0036 ,  H04L5/0023 ,  H04L5/0048 ,  H04L5/0053 ,  H04L5/0057 ,  H04L5/0094 ,  H04L25/03343 ,  H04L2025/03426 ,  H04W24/08 ,  H04W72/0406 ,  H04W72/0413 ,  H04W72/042 ,  H04W72/082 ,  H04W72/085 ,  H04W76/27 ,  H04W88/02 ,  H04W88/08

Abstract: A method for transmitting a Channel State Information-Reference Signal (CSI-RS) from a base station supporting multiple transmit antennas to a mobile station. The method according to one embodiment includes transmitting, at the base station, information of one or more CSI-RS configurations to the mobile station; and transmitting, at the base station, at least one downlink subframe mapped with the CSI-RSs to the mobile station. The one or more CSI-RS configurations include i) at least one CSI-RS configuration for which the mobile station assumes non-zero transmission power for the CSI-RS, ii) at least one CSI-RS configuration for which the mobile station assumes zero transmission power for the CSI-RS, or iii) at least one CSI-RS configuration for which the mobile station assumes non-zero transmission power for the CSI-RS and at least one CSI-RS configuration for which the mobile station assumes zero transmission power for the CSI-RS.

Abstract translation: 一种用于从支持多个发射天线的基站向移动台发送信道状态信息参考信号（CSI-RS）的方法。 根据一个实施例的方法包括在基站向移动台发送一个或多个CSI-RS配置的信息; 以及在所述基站处向所述移动站发送与所述CSI-RS映射的至少一个下行链路子帧。 一个或多个CSI-RS配置包括i）至少一个CSI-RS配置，移动台为该CSI配置为CSI-RS采取非零发射功率; ii）移动台采用的至少一个CSI-RS配置 CSI-RS的零发射功率，或iii）至少一个CSI-RS配置，移动台为该CSI配置为CSI-RS采取非零发射功率，以及至少一个CSI-RS配置，移动台为此发送零 CSI-RS的传输功率。

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。