公开(公告)号：US09363000B2

公开(公告)日：2016-06-07

申请号：US14310174

申请日：2014-06-20

Applicant: LG ELECTRONICS INC.

Inventor： Hyun Soo Ko ,  Jae Hoon Chung ,  Seung Hee Han ,  Moon Il Lee

IPC: H04L27/00 ,  H04B7/04 ,  H04B7/06 ,  H04L25/03 ,  H04L27/26 ,  H04W72/02

CPC classification number: H04B7/0473 ,  H04B7/0456 ,  H04B7/0465 ,  H04B7/0469 ,  H04B7/0478 ,  H04B7/0639 ,  H04B7/0669 ,  H04L25/03898 ,  H04L25/03949 ,  H04L27/2602 ,  H04L27/2633 ,  H04L27/2636 ,  H04W72/02 ,  H04W72/0446 ,  H04W88/02 ,  H04W88/08

Abstract: The present invention relates to a method for transmitting, by a base station, a downlink signal using a plurality of transmission antennas comprises the steps of: applying a precoding matrix indicated by the PMI, received from a terminal, in a codebook to a plurality of layers, and transmitting the precoded signal to the terminal through a plurality of transmission antennas. Among precoding matrices included in the codebook, a precoding matrix for even number transmission layers can be a 2×2 matrix containing four matrices (W1s), the matrix (W1) having rows of a number of transmission antennas and columns of half the number of transmission layers, the first and second columns of the first row in the 2×2 matrix being multiplied by 1, the first column of the second row being multiplied by coefficient “a” of a phase, and the first column of the second row being multiplied by “−a”.

Abstract translation: 本发明涉及一种用于由基站发送使用多个发送天线的下行链路信号的方法，包括以下步骤：将从终端接收的PMI所指示的预编码矩阵应用于码本中的多个 层，并且通过多个发送天线将预编码信号发送到终端。 在码本中包含的预编码矩阵中，用于偶数传输层的预编码矩阵可以是包含四个矩阵（W1）的2×2矩阵，具有多个发送天线的行的矩阵（W1）和数量为 传输层，2×2矩阵中第一行的第一列和第二列乘以1，第二行的第一列乘以相位的系数“a”，第二行的第一列为 乘以“-a”。

公开(公告)号：US09300375B2

公开(公告)日：2016-03-29

申请号：US14540714

申请日：2014-11-13

Applicant: LG ELECTRONICS INC.

Inventor： Hyun Soo Ko ,  Jae Hoon Chung ,  Seung Hee Han ,  Moon Il Lee

IPC: H04K1/02 ,  H04B7/04 ,  H04B7/06 ,  H04L25/03 ,  H04L1/00 ,  H04L5/00 ,  H04L1/18 ,  H04W88/02 ,  H04W88/08

CPC classification number: H04B7/0417 ,  H04B7/0456 ,  H04B7/0478 ,  H04B7/0486 ,  H04B7/0626 ,  H04B7/063 ,  H04B7/0632 ,  H04B7/0639 ,  H04B7/065 ,  H04B7/0658 ,  H04L1/0026 ,  H04L1/0029 ,  H04L1/0031 ,  H04L1/1861 ,  H04L5/0007 ,  H04L25/03343 ,  H04L25/03898 ,  H04L25/03949 ,  H04W88/02 ,  H04W88/08

Abstract: The present description relates to a wireless communication system, and more particularly, discloses a method and a device for efficient feedback in a wireless communication system supporting multiple antennas. According to one embodiment of the present invention, the method for transmitting channel status information on a downlink transmission through an uplink, in the wireless communication system, comprises the following steps: transmitting a rank indicator (RI) in a first subframe; transmitting a first precoding matrix index (PMI) in a second subframe; and transmitting a second PMI and channel quality information (CQI) in a third subframe, wherein the precoding matrix to be applied to the transmission of the downlink can be determined by a combination of the first and second PMIs.

Abstract translation: 本说明书涉及无线通信系统，更具体地说，涉及一种在支持多个天线的无线通信系统中有效反馈的方法和装置。 根据本发明的一个实施例，在无线通信系统中，通过上行链路传输下行链路传输信道状态信息的方法包括以下步骤：在第一子帧中发送秩指示符（RI）; 在第二子帧中发送第一预编码矩阵索引（PMI）; 以及在第三子帧中发送第二PMI和信道质量信息（CQI），其中应用于下行链路传输的预编码矩阵可以通过第一和第二PMI的组合来确定。

公开(公告)号：US09282550B2

公开(公告)日：2016-03-08

申请号：US14560900

申请日：2014-12-04

Applicant: LG ELECTRONICS INC.

Inventor： Seung Hee Han ,  Jae Hoon Chung ,  Sung Ho Moon ,  Moon Il Lee

IPC: H04W4/00 ,  H04W72/04 ,  H04L5/00 ,  H04L27/26 ,  H04B1/7103 ,  H04J11/00 ,  H04W88/02

CPC classification number: H04W72/0413 ,  H04B1/7103 ,  H04J1/00 ,  H04J11/005 ,  H04L5/001 ,  H04L5/0026 ,  H04L5/0048 ,  H04L5/0053 ,  H04L5/0069 ,  H04L27/2636 ,  H04W88/02

Abstract: The present invention relates to a wireless communication system. More specifically, the present invention relates to a method for transmitting control information through a PUCCH in a wireless communication system and an apparatus thereof, comprising the steps of: spreading modulation symbol sets to first slot, by using a first code; spreading modulation symbol sets to second slot, by using a second code, wherein the length of the second code is varied according to the number of SC-FDMA symbols for PUCCH transmission.

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，本发明涉及一种通过无线通信系统中的PUCCH发送控制信息的方法及其装置，包括以下步骤：通过使用第一码将调制符号集合扩展到第一时隙; 通过使用第二代码将调制符号集扩展到第二时隙，其中第二代码的长度根据用于PUCCH传输的SC-FDMA符号的数量而变化。

公开(公告)号：US09258038B2

公开(公告)日：2016-02-09

申请号：US14165162

申请日：2014-01-27

Applicant: LG ELECTRONICS INC.

Inventor： Hyun Soo Ko ,  Seung Hee Han ,  Ja Ho Koo ,  Jae Hoon Chung ,  Bin Chul Ihm ,  Moon Il Lee

IPC: G08C15/00 ,  H04B7/04 ,  H04B7/06 ,  H04L5/00 ,  H04L27/26 ,  H04L25/02 ,  H04L25/03

CPC classification number: H04B7/0413 ,  H04B7/0613 ,  H04B7/0632 ,  H04L5/0007 ,  H04L5/0026 ,  H04L5/0039 ,  H04L5/0048 ,  H04L5/0057 ,  H04L5/0073 ,  H04L5/0085 ,  H04L25/0226 ,  H04L27/2611 ,  H04L2025/03426 ,  H04L2025/03802

Abstract: A method for transmitting a reference signal in a multi-antenna system is provided. The method includes: selecting at least one orthogonal frequency division multiplexing (OFDM) symbol in a subframe containing a plurality of OFDM symbols; allocating a channel quality indication reference signal (CQI RS) capable of measuring a channel state for each of a plurality of antennas to the selected at least one OFDM symbol; and transmitting the CQI RS, wherein the CQI RS is allocated to an OFDM symbol which does not overlap with an OFDM symbol to which a common reference signal to be transmitted to all user equipments in a cell or a dedicated reference signal to be transmitted to a specific user equipment in the cell is allocated.

Abstract translation: 提供了一种用于在多天线系统中发送参考信号的方法。 该方法包括：在包含多个OFDM符号的子帧中选择至少一个正交频分复用（OFDM）符号; 向所选择的至少一个OFDM符号分配能够测量多个天线中的每一个的信道状态的信道质量指示参考信号（CQI RS）; 并发送CQI RS，其中将CQI RS分配给OFDM符号，该OFDM符号不与要发送到小区中的所有用户设备的公共参考信号的OFDM符号或要发送到的一个专用参考信号重叠 分配单元中的特定用户设备。

公开(公告)号：US09236989B2

公开(公告)日：2016-01-12

申请号：US14567909

申请日：2014-12-11

Applicant: LG ELECTRONICS INC.

Inventor： Min Seok Noh ,  Jae Hoon Chung ,  Sung Ho Moon ,  Seung Hee Han ,  Moon Il Lee

IPC: H04W4/00 ,  H04L5/00 ,  H04W72/04 ,  H04L5/14

CPC classification number: H04L5/0048 ,  H04L5/0007 ,  H04L5/0053 ,  H04L5/14 ,  H04L5/1469 ,  H04W72/042 ,  H04W76/27

Abstract: A method for receiving an aperiodic sounding reference signal (SRS) from a user equipment (UE) at a base station in a time division duplex (TDD) communication system. The method according to one embodiment includes transmitting downlink control information (DCI) including a request of the aperiodic SRS to the UE. The downlink control information includes information for receiving downlink data using multiple antennas from the base station by the user equipment. The method according to the embodiment further includes receiving the aperiodic SRS from the UE in response to the request.

Abstract translation: 一种用于在时分双工（TDD）通信系统中的基站处从用户设备（UE）接收非周期性探测参考信号（SRS）的方法。 根据一个实施例的方法包括向UE发送包括非周期性SRS的请求的下行链路控制信息（DCI）。 下行链路控制信息包括用户设备从基站接收使用多个天线的下行链路数据的信息。 根据实施例的方法还包括响应于该请求从UE接收非周期性SRS。

公开(公告)号：US09185699B2

公开(公告)日：2015-11-10

申请号：US13925633

申请日：2013-06-24

Applicant: LG ELECTRONICS INC.

Inventor： Kyu Jin Park ,  Sung Ho Moon ,  So Yeon Kim ,  Jae Hoon Chung ,  Min Seok Noh ,  Yeong Hyeon Kwon ,  Hyun Soo Ko ,  Seung Hee Han ,  Moon Il Lee

IPC: G01R31/08 ,  H04W72/04 ,  H04L5/00 ,  H04W84/18

CPC classification number: H04W72/0446 ,  H04L5/0007 ,  H04L5/0037 ,  H04L5/0053 ,  H04L5/0094 ,  H04W72/04 ,  H04W72/044 ,  H04W84/18

Abstract: According to one embodiment, a method of allocating a radio resource for a relay station includes: transmitting configuration information through a higher layer signal, the configuration information including information regarding an OFDM symbol at which a relay zone begins; allocating the relay zone to the relay station in a subframe based on the configuration information; and transmitting a relay control channel to the relay station in the relay zone. The subframe includes OFDM symbols in a time domain and subcarriers in a frequency domain. The relay zone includes a subset of the OFDM symbols in the time domain and a portion of the subcarriers in the frequency domain. The configuration information indicates an OFDM symbol from among a second OFDM symbol, a third OFDM symbol and a fourth OFDM symbol. The relay control channel is transmitted from the fourth OFDM symbol of the subframe.

Abstract translation: 根据一个实施例，一种为中继站分配无线电资源的方法包括：通过较高层信号发送配置信息，配置信息包括关于中继区开始的OFDM符号的信息; 基于配置信息在子帧中向中继站分配中继区; 以及向所述中继区中的中继站发送中继控制信道。 子帧包括时域中的OFDM符号和频域中的子载波。 中继区域包括时域中的OFDM符号的子集和频域中的子载波的一部分。 配置信息表示从第二OFDM符号，第三OFDM符号和第四OFDM符号中的OFDM符号。 从子帧的第四个OFDM符号发送中继控制信道。

公开(公告)号：US09173211B2

公开(公告)日：2015-10-27

申请号：US14177610

申请日：2014-02-11

Applicant: LG ELECTRONICS INC.

Inventor： Moon Il Lee ,  Jae Hoon Chung ,  Hyun Soo Ko ,  Bin Chul Ihm

IPC: H04J1/00 ,  H04W72/04 ,  H04L5/00 ,  H04W52/14 ,  H04W52/58 ,  H04W52/60 ,  H04L25/03

CPC classification number: H04W72/0413 ,  H04B7/0417 ,  H04B7/0632 ,  H04L5/0023 ,  H04L5/0051 ,  H04L5/0055 ,  H04L5/0057 ,  H04L5/006 ,  H04L25/03343 ,  H04L2025/03414 ,  H04L2025/03426 ,  H04W52/146 ,  H04W52/58 ,  H04W52/60

Abstract: A method of transmitting uplink control information of a user equipment is provided. The method includes: generating the uplink control information repeatedly as many as uplink data transmission layers; modulating the uplink control information to generate a plurality of repeated modulation symbol; applying a precoding matrix to the plurality of repeated modulation symbols to generate a plurality of first precoded symbol; and transmitting the plurality of first precoded symbols respectively through a plurality of antennas in an uplink subframe comprising a plurality of single carrier frequency division multiple access (SC-FDMA) symbols in a time domain and a plurality of subcarriers in a frequency domain.

Abstract translation: 提供一种发送用户设备的上行链路控制信息的方法。 该方法包括：重复上行链路数据传输层产生上行链路控制信息; 调制所述上行链路控制信息以产生多个重复调制符号; 对所述多个重复调制符号应用预编码矩阵以产生多个第一预编码符号; 以及在时域中的多个单载波频分多址（SC-FDMA）符号和频域中的多个副载波的上行链路子帧中分别通过多个天线发送多个第一预编码符号。

公开(公告)号：US09055580B2

公开(公告)日：2015-06-09

申请号：US13928148

申请日：2013-06-26

Applicant: LG ELECTRONICS INC.

Inventor： So Yeon Kim ,  Young Woo Yun ,  Ki Jun Kim ,  Moon Il Lee ,  Hyun Soo Ko ,  Jae Hoon Chung ,  Ji Ae Seok ,  Seung Hyun Kang ,  Suk Hyon Yoon ,  Joon Kui Ahn

IPC: H04W72/04 ,  H04L1/00 ,  H04L5/00

CPC classification number: H04W72/042 ,  H04L1/0071 ,  H04L5/0007 ,  H04L5/0053 ,  H04W48/12

Abstract: A method for transmitting a downlink control channel in a mobile communication system and a method for mapping the control channel to physical resources using a block interleaver are provided. In order to transmit a downlink control channel in a mobile communication system, information bits are modulated to generate one or more modulation symbols according to a specific modulation scheme, the modulation symbols are interleaved using a block interleaver, and the interleaved modulated symbols are mapped to resource elements allocated for transmission of at least one control channel in a subframe, thereby transmitting the at least one control channel.

公开(公告)号：US09014127B2

公开(公告)日：2015-04-21

申请号：US14254602

申请日：2014-04-16

Applicant: LG Electronics Inc.

Inventor： Jae Hoon Chung ,  Hyun Soo Ko ,  Moon Il Lee ,  Yeong Hyeon Kwon

IPC: H04W4/00 ,  H04L5/00 ,  H04B7/04 ,  H04B7/06 ,  H04L1/00 ,  H04W72/04 ,  H04W40/24

CPC classification number: H04B7/0473 ,  H04B7/0678 ,  H04B7/0684 ,  H04J13/004 ,  H04L1/0027 ,  H04L5/0048 ,  H04L27/2627 ,  H04L27/2653 ,  H04W40/244 ,  H04W72/04 ,  H04W72/042 ,  H04W72/0446 ,  H04W72/0453

Abstract: The present invention relates to a wireless communication system, and more specifically, to a method and an apparatus for transmitting an RS (Reference Signal) from a transmission end. The present invention relates to an RS transmission method and an apparatus therefore, comprising the steps of: confirming RS resources which are defined according to each layer; and transmitting the precoded RS for the layers to a receiving end through a multiple antenna, wherein the RS resource includes a 1st index for indicating an RS resource pattern group in which the precoded RS is mapped within a resource block and a 2nd index for indicating a code resource for multiplexing the precoded RSs within the RS resource pattern group.

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，涉及一种从发送端发送RS（参考信号）的方法和装置。 本发明涉及一种RS传输方法及其装置，其特征在于包括以下步骤：确认根据各层定义的RS资源; 以及通过多个天线将所述层的预编码RS发送到接收端，其中所述RS资源包括用于指示其中所述预编码RS映射在资源块内的RS资源模式组的第一索引，以及用于指示 用于复用RS资源模式组内的预编码RS的代码资源。

公开(公告)号：US20150085822A1

公开(公告)日：2015-03-26

申请号：US14558484

申请日：2014-12-02

Applicant: LG ELECTRONICS INC.

Inventor： Hyun Soo Ko ,  Jae Hoon Chung ,  Bin Chul Ihm ,  Moon Il Lee ,  Seung Hee Han

IPC: H04L5/00

CPC classification number: H04L5/0048 ,  H04J13/00

Abstract: The present invention relates a method in which a base station transmits a downlink signal by using a plurality of layers comprises the steps of: multiplexing and transmitting dedicated reference signals for the plurality of layers on the basis of a reference signal pattern, wherein 24 resource element positions comprised in the reference signal pattern are set as 6 groups, the 6 groups are set as 2 high-level groups, the reference signal for the plurality of layer is split and placed in the 2 high-level groups, and the reference signal for 2 or more layers placed in the same group is subjected to code-division multiplexing.

Abstract translation: 本发明涉及一种基站通过多层传输下行链路信号的方法，包括以下步骤：基于参考信号模式复用和发送多个层的专用参考信号，其中24个资源元素 参考信号图案中包含的位置被设置为6组，6组被设置为2个高电平组，多个层的参考信号被分离并放置在2个高电平组中，并且参考信号用于 放置在同一组中的2层以上的层进行码分复用。