公开(公告)号：US20150195024A1

公开(公告)日：2015-07-09

申请号：US14408866

申请日：2013-07-08

Applicant: LG ELECTRONICS INC.

Inventor： Youngtae Kim ,  Kijun Kim ,  Jonghyun Park

IPC: H04B7/06 ,  H04B7/04

CPC classification number: H04B7/0608 ,  H04B7/0456 ,  H04B7/0639

Abstract: A method of receiving a downlink signal by a terminal in a wireless communication system according to an embodiment of the present invention includes: transmitting, to a serving base station, an antenna selection index for selecting M of N antennas (where N>M and both N and M are positive integers) in a specific base station and a pre-coding matrix indicator PMI suitable for the M antennas; and receiving, from the specific base station, the downlink signal on which pre-coding is performed by using a pre-coding determined based on the antenna selection index and the pre-coding matrix indicator, wherein the antenna selection index may indicate any one of the antenna selection vectors that belong to an antenna selection codebook consisting of all the antenna selection vectors or a subset of all the antenna selection vectors for selecting at least one of the N antennas in the specific base station.

Abstract translation: 根据本发明实施例的在无线通信系统中由终端接收下行链路信号的方法包括：向服务基站发送用于选择N个天线的M（其中N> M和两者）的天线选择索引 N和M是正整数）和适合于M个天线的预编码矩阵指示符PMI; 并且从所述特定基站接收通过使用基于所述天线选择索引和所述预编码矩阵指示符确定的预编码来执行预编码的下行链路信号，其中，所述天线选择索引可以指示 属于由所有天线选择矢量构成的天线选择码本的天线选择矢量或用于选择特定基站中的N个天线中的至少一个的所有天线选择矢量的子集。

公开(公告)号：US20150139112A1

公开(公告)日：2015-05-21

申请号：US14409924

申请日：2013-07-02

Applicant: LG ELECTRONICS INC.

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

IPC: H04B7/06 ,  H04L5/00

CPC classification number: H04B7/0626 ,  H04B7/0413 ,  H04B7/0478 ,  H04B7/0619 ,  H04B7/0632 ,  H04B7/0639 ,  H04B7/10 ,  H04L5/0023 ,  H04L5/0048 ,  H04L5/0053 ,  H04L5/0057

Abstract: Disclosed is a channel state information reporting method for enabling a terminal to support a large-scale multiple-input multiple output (MIMO) in a wireless communication system. The method comprises the steps of: receiving, from a base station, first reference signal information corresponding to vertical antenna ports and second reference signal information corresponding to horizontal antenna ports: transmitting, to the base station, information related to a specific antenna port from among the vertical antenna ports using the first reference signal information; and transmitting, to the base station, horizontal channel state information using the second reference signal information.

Abstract translation: 公开了一种用于使终端能够支持无线通信系统中的大规模多输入多输出（MIMO）的信道状态信息报告方法。 该方法包括以下步骤：从基站接收对应于垂直天线端口的第一参考信号信息和对应于水平天线端口的第二参考信号信息：向基站发送与特定天线端口相关的信息， 垂直天线端口使用第一参考信号信息; 以及使用所述第二参考信号信息向所述基站发送水平信道状态信息。

公开(公告)号：US20150131603A1

公开(公告)日：2015-05-14

申请号：US14383738

申请日：2013-09-16

Applicant: LG ELECTRONICS INC.

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

IPC: H04L5/00 ,  H04B7/02

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 receiving data by a user equipment (UE) in a cooperative multi-point (CoMP) wireless communication system includes receiving downlink control information (DCI) that does not contain information indicating a transmission base station (BS) that actually transmits data among a plurality of BSs that participate in CoMP, receiving information about zero-power channel state information-reference signal (CSI-RS) of each of the plural BSs, and assuming that data is not mapped to a resource element of zero-power CSI-RS with a lowest index and receiving the data through a physical downlink control channel (PDSCH).

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。 一种用于在协作多点（CoMP）无线通信系统中由用户设备（UE）接收数据的方法包括：接收下行链路控制信息（DCI），该下行链路控制信息不包含指示实际发送数据的传输基站（BS）的信息 参与CoMP的多个BS接收关于多个BS中的每一个的零功率信道状态信息参考信号（CSI-RS）的信息，并且假定该数据未映射到零功率CSI- RS，并通过物理下行链路控制信道（PDSCH）接收数据。

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：US20150063317A1

公开(公告)日：2015-03-05

申请号：US14391674

申请日：2013-04-29

Applicant: LG ELECTRONICS INC.

Inventor： Jonghyun Park ,  Yunjung Yi ,  Kijun Kim ,  Byounghoon Kim

IPC: H04W56/00

CPC classification number: H04W56/0005 ,  H04W56/0045

Abstract: The present invention relates to a method for transmitting an uplink signal in a wireless communication system. The method includes the steps of: transmitting an uplink signal in a first uplink transmitting timing period determined on the basis of a first timing advance command received from a first serving cell; and, when a specific condition is satisfied, transmitting an uplink signal in a second uplink transmitting timing period determined on the basis of a second timing advance command.

Abstract translation: 本发明涉及一种在无线通信系统中发送上行链路信号的方法。 该方法包括以下步骤：在基于从第一服务小区接收的第一定时提前命令确定的第一上行链路发送定时周期中发送上行链路信号; 并且当满足特定条件时，在基于第二定时提前命令确定的第二上行链路发送定时周期中发送上行链路信号。

公开(公告)号：US20150055518A1

公开(公告)日：2015-02-26

申请号：US14382501

申请日：2013-03-20

Applicant: LG ELECTRONICS INC.

Inventor： Jonghyun Park ,  Hakseong Kim ,  Suckchel Yang ,  Hanbyul Seo ,  Kijun Kim ,  Byounghoon KIM

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

CPC classification number: H04W24/10 ,  H04B7/2643 ,  H04L5/0035 ,  H04L5/0048 ,  H04L5/0051 ,  H04L5/14 ,  H04L5/1469 ,  H04W52/146

Abstract: The present invention relates to a method for user equipment transmitting an uplink signal in a time division duplex (TDD) wireless communication system, according to one embodiment. The method comprises: detecting a downlink control signal; and transmitting the uplink signal on the basis of uplink-related control information which is included in the downlink control signal that is detected, wherein a transmission power value is reported on the basis of an indicator, which indicates reporting of the transmission power value of the uplink signal at a specific time.

Abstract translation: 本发明涉及根据一个实施例的用于在时分双工（TDD）无线通信系统中发送上行链路信号的用户设备的方法。 该方法包括：检测下行链路控制信号; 根据检测出的下行链路控制信号中包含的上行链路控制信息，发送上行链路信号，其中，基于指示符，报告发送功率值的发送功率值， 上行链路信号。

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：US20150036604A1

公开(公告)日：2015-02-05

申请号：US14374192

申请日：2013-02-01

Applicant: LG ELECTRONICS INC.

Inventor： Jonghyun Park ,  Kijun Kim

IPC: H04W72/04 ,  H04L12/801 ,  H04W48/08

CPC classification number: H04W72/0446 ,  H04L5/0007 ,  H04L5/0037 ,  H04L5/0048 ,  H04L5/0053 ,  H04L47/34 ,  H04W48/08

Abstract: A method for transmitting an uplink signal in a wireless communication system according to one embodiment of the present invention comprises: receiving, from a first cell, information on a slot number of a radio frame of a second cell and identifier information that includes a virtual identifier or an identifier of the second cell; and generating a sequence for an uplink signal on the basis of the information on the slot number and the identifier information; and transmitting the generated sequence to the second cell.

Abstract translation: 根据本发明的一个实施例的用于在无线通信系统中发送上行链路信号的方法包括：从第一小区接收关于第二小区的无线帧的时隙号的信息和包括虚拟标识符的标识符信息 或第二小区的标识符; 根据关于时隙号和标识符信息的信息生成上行链路信号的序列; 并将生成的序列发送到第二小区。

公开(公告)号：US20150029969A1

公开(公告)日：2015-01-29

申请号：US14376596

申请日：2013-02-20

Applicant: LG ELECTRONICS INC.

Inventor： Jonghyun Park ,  Kijun Kim

IPC: H04L5/00 ,  H04B7/04

CPC classification number: H04L5/0048 ,  H04B7/0452 ,  H04L5/0012 ,  H04L5/0035 ,  H04L27/2613 ,  H04W72/0413

Abstract: The present invention relates to a wireless communication system, and more particularly, to a method and apparatus for transmitting an uplink signal. A method for transmitting an uplink signal at a UE in a wireless communication system includes, when a virtual cell ID for a reference signal for demodulation of a physical uplink channel is provided, generating a sequence of the reference signal on the basis of the virtual cell ID, and transmitting the generated reference signal to an eNB. A sequence shift pattern of the reference signal can be determined on the basis of the virtual cell ID.

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，涉及用于发送上行链路信号的方法和装置。 一种用于在无线通信系统中的UE发送上行链路信号的方法包括：当提供用于解调物理上行链路信道的参考信号的虚拟小区ID时，基于虚拟小区生成参考信号的序列 ID，并将生成的参考信号发送到eNB。 可以基于虚拟小区ID来确定参考信号的序列移位模式。