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    Method and device for transmitting and receiving signals by using codebook in wireless communication system
    162.
    发明授权
    Method and device for transmitting and receiving signals by using codebook in wireless communication system 有权
    在无线通信系统中使用码本发送和接收信号的方法和装置

    公开(公告)号：US09496934B2

    公开(公告)日：2016-11-15

    申请号：US14759629

    申请日：2014-01-09

    Applicant: LG ELECTRONICS INC.

    Inventor： Hyungtae Kim ,  Kijun Kim ,  Hanjun Park ,  Youngtae Kim

    IPC: H04B7/04 ,  H04B7/06 ,  H04J11/00

    CPC classification number: H04B7/0456 ,  H04B7/0478 ,  H04B7/0626 ,  H04B7/0639 ,  H04B7/065 ,  H04J11/00

    Abstract: The present invention relates to a wireless communication system. A method by which a base station transmits a downlink signal in a wireless communication system, according to one embodiment of the present invention, comprises the steps of: receiving first and second precoding matrix indicators (PMIs) from a terminal; determining a first matrix (W1) from a first codebook on the basis of the first PMI, determining a second matrix (W2) from a second codebook on the basis of the second PMI, and determining a precoding matrix (W) on the basis of the first matrix (W1) and the second matrix (W2); performing precoding by using the determined precoding matrix (W) at two or more layers to which a downlink signal is mapped; and transmitting a precoded signal to the terminal, wherein all precoding vectors included in the precoding matrix (W) have linear phase increment properties and can be orthonormal to one another.

    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的基站在无线通信系统中发送下行链路信号的方法包括以下步骤：从终端接收第一和第二预编码矩阵指示符（PMI）; 基于第一PMI从第一码本确定第一矩阵（W1），基于第二PMI从第二码本确定第二矩阵（W2），并且基于第二PMI确定预编码矩阵（W） 第一矩阵（W1）和第二矩阵（W2）; 通过在映射下行链路信号的两个或更多个层处使用所确定的预编码矩阵（W）来执行预编码; 以及向所述终端发送预编码信号，其中包括在所述预编码矩阵（W）中的所有预编码矢量具有线性相位增量属性并且可以彼此正交。

    Method for reporting downlink channel state and apparatus therefor
    163.
    发明授权
    Method for reporting downlink channel state and apparatus therefor 有权
    报告下行链路信道状态的方法及其装置

    公开(公告)号：US09490947B2

    公开(公告)日：2016-11-08

    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 ,  H04W72/12

    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。

    Methods and apparatuses for receiving or transmitting downlink signal in MBSFN subframe
    164.
    发明授权
    Methods and apparatuses for receiving or transmitting downlink signal in MBSFN subframe 有权
    用于在MBSFN子帧中接收或发送下行链路信号的方法和装置

    公开(公告)号：US09425939B2

    公开(公告)日：2016-08-23

    申请号：US14373328

    申请日：2013-02-22

    Applicant: LG ELECTRONICS INC.

    Inventor： Hanjun Park ,  Hanbyul Seo ,  Jonghyun Park ,  Kijun Kim ,  Seungmin Lee

    IPC: H04W4/00 ,  H04L5/00 ,  H04L27/26

    CPC classification number: H04L5/0051 ,  H04L5/0007 ,  H04L5/005 ,  H04L5/0094 ,  H04L27/2602

    Abstract: According to an aspect of the present invention, a method for receiving a downlink signal from a base station (BS) in a multicast broadcast single frequency network (MBSFN) subframe which performed by a user equipment (UE) includes receiving information indicating an MBSFN subframe of which a data region is allocated a cell-specific reference signal (CRS), among MBSFN subframes, and demodulating the downlink signal received in the data region of the MBSFN subframe based on the CRS in the data region of the MBSFN subframe according to the information.

    Abstract translation: 根据本发明的一个方面，一种由用户设备（UE）执行的多播广播单频网（MBSFN）子帧中的基站（BS）接收下行链路信号的方法包括接收指示MBSFN子帧的信息 其中MBSFN子帧中的数据区被分配了小区特定参考信号（CRS），并根据MBSFN子帧的数据区中的CRS对MBSFN子帧的数据区域中接收到的下行链路信号进行解调 信息。

    Method and user equipment for transmitting channel state information and method and base station for receiving channel state information
    166.
    发明授权
    Method and user equipment for transmitting channel state information and method and base station for receiving channel state information 有权
    用于发送信道状态信息的方法和用户设备以及用于接收信道状态信息的方法和基站

    公开(公告)号：US09313005B2

    公开(公告)日：2016-04-12

    申请号：US14241815

    申请日：2012-09-25

    Applicant: LG ELECTRONICS INC.

    Inventor： Hanjun Park ,  Hanbyul Seo ,  Seungmin Lee

    IPC: G06F11/00 ,  G08C15/00 ,  H04L5/00 ,  H04B7/02 ,  H04W72/04 ,  H04B7/06 ,  H04L5/14

    CPC classification number: H04L5/0053 ,  H04B7/024 ,  H04B7/063 ,  H04B7/0632 ,  H04B7/0639 ,  H04L5/0012 ,  H04L5/0035 ,  H04L5/0073 ,  H04L5/0091 ,  H04L5/1469 ,  H04W72/044

    Abstract: Disclosed herein is a method for, at a user equipment (UE) capable of being served by a plurality of base stations, transmitting channel state information to at least one of the base stations in a wireless communication system. The method includes receiving resource allocation information on allocation of time-frequency resources used to transmit supplemental channel state information for a neighboring base station from a serving base station of the UE, and transmitting supplemental channel state information for the neighboring base station to the serving base station, using part of time-frequency resources allocated for transmission of channel state information for the serving base station, based on the resource allocation information.

    Abstract translation: 这里公开了一种在无线通信系统中能够由多个基站服务的用户设备（UE）的方法，用于向无线通信系统中的至少一个基站发送信道状态信息。 该方法包括从UE的服务基站接收用于向相邻基站发送补充信道状态信息的时间 - 频率资源的分配的资源分配信息，并向所述服务基站发送相邻基站的补充信道状态信息 基于资源分配信息，使用为服务基站发送信道状态信息而分配的一部分时频资源。

    Method and apparatus for receiving downlink radio signal
    167.
    发明授权
    Method and apparatus for receiving downlink radio signal 有权
    用于接收下行链路无线电信号的方法和装置

    公开(公告)号：US09306646B2

    公开(公告)日：2016-04-05

    申请号：US14758767

    申请日：2013-12-30

    Applicant: LG ELECTRONICS INC.

    Inventor： Hanjun Park ,  Kijun Kim ,  Jonghyun Park

    IPC: H04L1/02 ,  H04B7/04 ,  H04B7/06 ,  H04B7/08

    CPC classification number: H04B7/0456 ,  H04B7/0413 ,  H04B7/0617 ,  H04B7/0619 ,  H04B7/0639 ,  H04B7/086

    Abstract: A method of a receiving a downlink signal from a base station including a two-dimensional (2D) antenna array composed of a plurality of antenna elements in a wireless communication system is disclosed. The method includes receiving a reference signal allocated to at least one column-direction antenna array of the 2D antenna array, receiving information about a semi-static beam candidate set composed of at least one semi-static beam applicable to the at least one column-direction antenna array, and measuring an average channel state for semi-static beamforming using the received reference signal and the information about the semi-static candidate set. The 2D antenna array is virtualized to one-dimensional (1D) antenna array supporting dynamic beamforming by applying at least one semi-static beam in the semi-static beam candidate set to the column-direction antenna array.

    Abstract translation: 公开了一种在无线通信系统中从包括由多个天线元件组成的二维（2D）天线阵列的基站接收下行链路信号的方法。 该方法包括接收分配给2D天线阵列的至少一个列方向天线阵列的参考信号，接收关于适用于至少一个列阵列的至少一个半静态波束组成的半静态波束候选组的信息， 并且使用所接收的参考信号和关于半静态候选集的信息来测量用于半静态波束形成的平均信道状态。 将2D天线阵列虚拟化为支持动态波束成形的一维（1D）天线阵列，通过在半静态波束候选组中对列方向天线阵列施加至少一个半静态波束。

    Methods for transmitting and receiving channel state information (CSI) and apparatuses thereof
    168.
    发明授权
    Methods for transmitting and receiving channel state information (CSI) and apparatuses thereof 有权
    发送和接收信道状态信息（CSI）及其装置的方法

    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。

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