公开(公告)号：US20150078271A1

公开(公告)日：2015-03-19

申请号：US14383216

申请日：2013-08-28

Applicant: LG ELECTRONICS INC.

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

IPC: H04L5/00 ,  H04B7/04

CPC classification number: H04L5/0051 ,  H04B7/0417 ,  H04B7/0486 ,  H04L5/0016 ,  H04L5/0023 ,  H04L5/0026 ,  H04L5/0048 ,  H04L5/005 ,  H04L5/0053 ,  H04L5/0073 ,  H04L5/0091

Abstract: The present invention relates to a wireless communication system. A method for estimating a channel by a user equipment (UE) in a wireless communication system includes receiving information about at least one channel station information (CSI) configuration for reporting CSI of one of a plurality of serving cells, determining that the same precoding matrix is applied to a plurality of resource blocks when all of the at least one CSI configuration is configured to report a precoding matrix indicator (PMI) and a rank indicator (RI), and determining that the precoding matrix is applied to one resource block when CSI configuration configured not to report the PMI and the RI is present among the at least one CSI configuration, and estimating a channel based on a result of the determination.

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（UE）估计信道的方法包括：接收关于用于报告多个服务小区之一的CSI的至少一个信道站信息（CSI）配置的信息，确定相同的预编码矩阵 当所有所述至少一个CSI配置被配置为报告预编码矩阵指示符（PMI）和秩指示符（RI）时，应用于多个资源块，并且当CSI被应用于一个资源块时，确定预编码矩阵被应用于一个资源块 所述配置被配置为不在所述至少一个CSI配置中报告所述PMI和所述RI，并且基于所述确定的结果来估计信道。

公开(公告)号：US20150071191A1

公开(公告)日：2015-03-12

申请号：US14330127

申请日：2014-07-14

Applicant: LG Electronics Inc.

Inventor： Kijun Kim ,  Jonghyun Park ,  Hyungtae Kim

IPC: H04W72/04 ,  H04W72/08

CPC classification number: H04L5/0073 ,  H04L5/001 ,  H04L5/0023 ,  H04L5/0035 ,  H04L5/0048 ,  H04L5/0057

Abstract: In an aspect of the present application, provided herein is a method for transmitting signals for coordinated scheduling in a wireless communication system, the method performed by a base station and comprising: transmitting, to a neighbor base station, information on a transmission scheme in a specific channel state information-interference measurement (CSI-IM) resource; and receiving, from a mobile terminal served by the base station, a measurement result with respect to a downlink signal transmitted from the neighbor base station according to the transmission scheme in the specific CSI-IM resource, wherein the transmission scheme is determined according to whether there is downlink data to be transmitted by the base station in a subframe to which the specific CSI-IM resource belongs and/or whether the mobile terminal configured with the specific CSI-IM resource is allocated a single CSI process or multiple CSI processes.

Abstract translation: 在本申请的一个方面，本文提供了一种用于在无线通信系统中发送用于协调调度的信号的方法，所述方法由基站执行，并且包括：向邻近基站发送关于传输方案的信息 特定信道状态信息干扰测量（CSI-IM）资源; 以及从所述基站服务的移动终端接收根据所述特定CSI-IM资源中的所述传输方案从所述相邻基站发送的下行链路信号的测量结果，其中，所述传输方案根据是否 在特定CSI-IM资源所属的子帧和/或配置有特定CSI-IM资源的移动终端中是否分配有单个CSI进程或多个CSI进程，由基站发送的下行链路数据。

公开(公告)号：US20150049706A1

公开(公告)日：2015-02-19

申请号：US14445191

申请日：2014-07-29

Applicant: LG Electronics Inc.

Inventor： Hyunho Lee ,  Dongyoun Seo ,  Suckchel Yang ,  Hanjun Park ,  Kijun Kim ,  Hyungtae Kim

IPC: H04L5/00 ,  H04W72/04

CPC classification number: H04L5/0035 ,  H04L5/001 ,  H04L5/0023 ,  H04L5/0057 ,  H04L5/0064 ,  H04L5/0087 ,  H04W72/1226

Abstract: Provided is a method for reporting, by a user equipment, channel state to an eNodeB in a wireless communication system, the method comprising: receiving a request for an aperiodic channel state report and information on a configuration of a mode of the aperiodic channel state report; and transmitting the aperiodic channel state report through an uplink data channel according to the request and the configuration, wherein, if a bandwidth allocated for uplink is less than a predetermined bandwidth, only the aperiodic channel state report is transmitted through the uplink data channel, and wherein the predetermined bandwidth is set per mode of the aperiodic channel state report.

Abstract translation: 提供了一种用于通过用户设备向无线通信系统中的eNodeB报告信道状态的方法，所述方法包括：接收对非周期性信道状态报告的请求和关于非周期信道状态报告的模式的配置的信息 ; 以及根据所述请求和所述配置通过上行链路数据信道发送所述非周期性信道状态报告，其中，如果分配给上行链路的带宽小于预定带宽，则仅通过所述上行链路数据信道发送所述非周期性信道状态报告，以及 其中，针对非周期性信道状态报告的每个模式设置预定带宽。

公开(公告)号：US20150036610A1

公开(公告)日：2015-02-05

申请号：US14382978

申请日：2013-08-28

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae Kim ,  Kijun Kim ,  Jonghyun Park

IPC: H04B7/06

CPC classification number: H04B7/0626 ,  H04B7/0639

Abstract: Disclosed is a wireless communication system. A method for transmitting channel state information (CSI) in a wireless communication system includes receiving information about reference CSI configuration and following CSI configuration configured to have the same rank indicator (RI) as RI of the reference CSI configuration, determining a wideband precoding matrix index (PMI) according to the following CSI configuration to be the same as a wideband PMI according to the reference CSI configuration when reports of the wideband PMI and the RI according to the reference CSI configuration and reports of the wideband PMI and the RI according to the following CSI configuration collide in one subframe, and transmitting the RI and the wideband PMI according to any one selected from the reference CSI configuration and the following CSI configuration.

Abstract translation: 公开了一种无线通信系统。 一种用于在无线通信系统中发送信道状态信息（CSI）的方法包括：接收关于参考CSI配置的信息和随后的CSI配置，被配置为具有与参考CSI配置的RI相同的秩指示符（RI），确定宽带预编码矩阵索引 根据以下CSI配置，根据参考CSI配置，根据参考CSI配置报告宽带PMI和RI时的根据以下CSI配置的PMI（PMI）与宽带PMI相同，并且根据参考CSI配置以及宽带PMI和RI的报告根据 以下CSI配置在一个子帧中发生冲突，并且根据从参考CSI配置和随后的CSI配置中选择的任何一个发送RI和宽带PMI。

公开(公告)号：US20140254708A1

公开(公告)日：2014-09-11

申请号：US14351026

申请日：2012-10-25

Applicant: LG ELECTRONICS INC.

Inventor： Hanbyul Seo ,  Kijun Kim ,  Hyungtae Kim

IPC: H04B7/04

CPC classification number: H04B7/0417 ,  H04B7/0456 ,  H04B7/0626 ,  H04B7/063 ,  H04B7/0632 ,  H04J11/0053

Abstract: According to one embodiment of the present invention, a method is disclosed in which user equipment (UE) that communicates with a coordinated multi-point transmission and reception (CoMP) aggregation transmits channel state information (CSI) on said CoMP aggregation in a wireless communication system. The method may enable the determination of the number of bits for inter-point phase information for points that belong to said CoMP aggregation, and the number of bits for a channel quality indicator (CQI) for said CoMP aggregation based on rank indicator (RI) information within the number of bits allocated for transmission of the channel state information, and may enable the transmission of the channel state information including the inter-point phase information and CQI on the CoMP aggregation to at least one of a plurality of points that belong to the CoMP aggregation in accordance with said determined number of bits.

Abstract translation: 根据本发明的一个实施例，公开了一种方法，其中与协调的多点发送和接收（CoMP）聚合通信的用户设备（UE）在无线通信中在所述CoMP聚合上发送信道状态信息（CSI） 系统。 该方法可以确定属于所述CoMP聚合的点的点间相位信息的比特数，以及基于秩指示符（RI）的所述CoMP聚合的信道质量指示符（CQI）的比特数， 在分配用于发送信道状态信息的位数中的信息，并且可以使CoMP聚合上包括点间相位信息和CQI的信道状态信息发送到属于多个点的多个点中的至少一个 所述CoMP聚合根据所述确定的比特数。

公开(公告)号：US20140247749A1

公开(公告)日：2014-09-04

申请号：US14353217

申请日：2012-10-29

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae Kim ,  Hanbyul Seo

IPC: H04W24/02 ,  H04L5/00

CPC classification number: H04W24/02 ,  H04B7/024 ,  H04B7/0626 ,  H04L1/20 ,  H04L5/0035 ,  H04L5/0048 ,  H04L5/0057

Abstract: The present invention relates to a wireless communication system and, in particular, to a method and apparatus for feeding back aggregated CSI using multiple CSI-RS setting information in a wireless communication system which supports CoMP. The method of a terminal feeding back aggregated CSI for cooperative transmission in the wireless communication system according to an embodiment of the present invention, includes the steps of respectively receiving first CSI-RS setting information and second CSI setting information for a first base station and a second base station participating in the cooperative transmission; receiving a first CSI-RS and a second CSI-RS setting information; calculating first CSI and second CSI using the first CSI-RS and the second CSI-RS; and transmitting the aggregated CSI calculated on the basis of the first CSI and the second CSI, wherein the first CSI-RS and the second CSI-RS can be transmitted on the same subframe.

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，具体地，涉及一种在支持CoMP的无线通信系统中使用多个CSI-RS设置信息反馈聚合CSI的方法和装置。 根据本发明的实施例的在无线通信系统中进行协作传输的终端反馈聚合CSI的方法包括以下步骤：分别接收第一基站的第一CSI-RS设置信息和第二CSI设置信息，以及 第二基站参与合作传输; 接收第一CSI-RS和第二CSI-RS设置信息; 使用第一CSI-RS和第二CSI-RS计算第一CSI和第二CSI; 以及发送基于第一CSI和第二CSI计算的聚合CSI，其中可以在相同子帧上发送第一CSI-RS和第二CSI-RS。