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    METHOD AND APPARATUS FOR TRANSMITTING DOWNLINK SIGNAL IN A MIMO WIRELESS COMMUNICATION SYSTEM
    51.
    发明申请
    METHOD AND APPARATUS FOR TRANSMITTING DOWNLINK SIGNAL IN A MIMO WIRELESS COMMUNICATION SYSTEM 有权
    用于在MIMO无线通信系统中发送下行链路信号的方法和装置

    公开(公告)号：US20110064159A1

    公开(公告)日：2011-03-17

    申请号：US12862610

    申请日：2010-08-24

    申请人： Hyun Soo Ko ,  Moon Il Lee ,  Ja Ho Koo ,  Jae Hoon Chung ,  Bin Chul Ihm

    发明人： Hyun Soo Ko ,  Moon Il Lee ,  Ja Ho Koo ,  Jae Hoon Chung ,  Bin Chul Ihm

    IPC分类号： H04L27/28

    CPC分类号： H04W72/042 ,  H04B7/04 ,  H04B7/0413 ,  H04W88/02 ,  H04W88/08

    摘要： A method and apparatus for transmitting a downlink signal in a multiple input multiple output (MIMO) wireless communication system is disclosed. A method for receiving a downlink signal from a base station to a user equipment in a multiple input multiple output (MIMO) system, which supports dual layer transmission based on first and second antenna ports, comprises receiving downlink control information (DCI) through a downlink control channel; and receiving downlink data through a downlink data channel, the downlink data including one or more of a first transport block and a second transport block, wherein the downlink control information includes a new data indicator (NDI) for each of the first and second transport blocks, and if the first transport block is disabled and the second transport block is enabled, the new data indicator for the first transport block indicates an antenna port through which the second transport block is received.

    摘要翻译： 公开了一种用于在多输入多输出（MIMO）无线通信系统中发送下行链路信号的方法和装置。 一种用于在支持基于第一和第二天线端口的双层传输的多输入多输出（MIMO）系统中从基站向用户设备接收下行链路信号的方法包括通过下行链路接收下行链路控制信息（DCI） 控制通道; 并且通过下行链路数据信道接收下行链路数据，所述下行链路数据包括第一传输块和第二传输块中的一个或多个，其中所述下行链路控制信息包括用于所述第一和第二传输块中的每一个的新数据指示符（NDI） ，并且如果第一传输块被禁用并且第二传输块被使能，则用于第一传输块的新数据指示符指示接收第二传输块的天线端口。

    Method and apparatus for providing downlink control information in an MIMO wireless communication system
    54.
    发明授权
    Method and apparatus for providing downlink control information in an MIMO wireless communication system 有权
    一种用于在MIMO无线通信系统中提供下行链路控制信息的方法和装置

    公开(公告)号：US09112552B2

    公开(公告)日：2015-08-18

    申请号：US13522270

    申请日：2011-01-24

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

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

    IPC分类号： H04W72/04 ,  H04B7/216 ,  H04B7/04 ,  H04L5/00 ,  H04B7/06

    CPC分类号： H04W72/048 ,  H04B1/707 ,  H04B7/0413 ,  H04B7/0452 ,  H04B7/0665 ,  H04B2201/70701 ,  H04L5/0007 ,  H04L5/0051 ,  H04L5/0053

    摘要： The present invention relates to a method in which a user equipment receives a downlink signal from a base station in a wireless communication system that supports downlink MIMO transmission according to one embodiment of the present invention comprises: receiving downlink control information that includes information indicative of the number of layers (N, 1≦N≦8) where one or two enabled code words of the downlink MIMO transmission are mapped; on the basis of the downlink control information, receiving downlink data transmitted over the respective N layers and a UE-specific reference signal for each of the N layers; and decoding the downlink data on the basis of the UE-specific reference signals, wherein the information indicative of the number of layers can further include information on a code for identifying the UE-specific reference signals.

    摘要翻译： 本发明涉及根据本发明的一个实施例的用户设备从支持下行MIMO传输的无线通信系统中的基站接收下行链路信号的方法，包括：接收下行链路控制信息，该信息包括指示 映射下行链路MIMO传输的一个或两个使能码字的层数（N，1＆nlE; N＆nlE; 8） 基于下行链路控制信息，接收通过各个N个层发送的下行链路数据和N个层中的每一个的UE专用参考信号; 以及基于所述UE特定参考信号对所述下行链路数据进行解码，其中指示所述层数的信息还可以包括关于用于识别所述UE特定参考信号的代码的信息。

    Method and apparatus for transmitting downlink reference signal
    55.
    发明授权
    Method and apparatus for transmitting downlink reference signal 有权
    用于传输下行链路参考信号的方法和装置

    公开(公告)号：US08982848B2

    公开(公告)日：2015-03-17

    申请号：US13384219

    申请日：2010-07-19

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

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

    IPC分类号： H04W4/00 ,  H04J13/00 ,  H04L5/00 ,  H04L27/26

    CPC分类号： H04J13/004 ,  H04L5/0016 ,  H04L5/0023 ,  H04L5/0026 ,  H04L5/0051 ,  H04L27/2613

    摘要： The present invention relates to transmitting a downlink reference signal in a wireless communication system. A method for a base station to transmit a downlink signal by using two or more layers includes multiplexing and transmitting a reference signal for the two or more layers on the basis of a reference signal pattern on a data region of a downlink subframe and transmitting data for the two or more layers on the data region of the downlink subframe, wherein the reference signal for the two or more layers is a dedicated reference signal that is used to demodulate the data for the two or more layers on a receiving end, and in the multiplexing of the reference signal, the reference signal for the two or more layers is code-division-multiplexed by an orthogonal code having a length of at least 2.

    摘要翻译： 本发明涉及在无线通信系统中发送下行链路参考信号。 基站通过使用两层以上层来发送下行链路信号的方法包括基于下行链路子帧的数据区域上的参考信号模式复用并发送两层或更多层的参考信号，并发送用于 在下行链路子帧的数据区上的两层或更多层，其中两层或更多层的参考信号是专用参考信号，用于解调接收端两层或更多层的数据，而在 参考信号的多路复用，两个或多个层的参考信号由具有至少2的长度的正交码进行码分复用。

    Method and device for codebook generation and downlink signal transmission in a wireless communication system supporting multiple antennas
    56.
    发明授权
    Method and device for codebook generation and downlink signal transmission in a wireless communication system supporting multiple antennas 有权
    用于支持多个天线的无线通信系统中的码本生成和下行链路信号传输的方法和装置

    公开(公告)号：US08948289B2

    公开(公告)日：2015-02-03

    申请号：US13521211

    申请日：2011-01-12

    申请人： Hyun Soo Ko ,  Moon Il Lee ,  Jae Hoon Chung ,  Bin Chul Ihm ,  Seung Hyun Kang

    发明人： Hyun Soo Ko ,  Moon Il Lee ,  Jae Hoon Chung ,  Bin Chul Ihm ,  Seung Hyun Kang

    IPC分类号： H04B7/02 ,  H04L1/02 ,  H04B7/04 ,  H04B7/06

    CPC分类号： H04B7/0456 ,  H04B7/0465 ,  H04B7/0469 ,  H04B7/0473 ,  H04B7/0478 ,  H04B7/0639

    摘要： The present invention relates to a method in which a base station transmits a downlink signal using 8 antennas may comprise the steps of: mapping a downlink signal to N (1≦N≦4) layers; precoding the signal mapped to the N layers, by using a specific precoding matrix selected from a pre-stored codebook; subjecting the precoded signal to processing for OFDM symbol generation; and transmitting OFDM symbols through 8 antennas. The pre-stored codebook may comprise precoding matrices for the respective ranks corresponding to N, the pre-stored codebook may consist of 16 codebook indexes, and a portion of the precoding matrices for high ranks in the 16 codebook indexes may be generated from the precoding matrices for low ranks.

    摘要翻译： 本发明涉及一种基站使用8个天线发送下行链路信号的方法，其可以包括以下步骤：将下行链路信号映射到N（1＆nlE; N＆nlE; 4）层; 通过使用从预先存储的码本中选择的特定预编码矩阵来预编码映射到N层的信号; 对预编码信号进行OFDM符号生成处理; 并通过8个天线发射OFDM符号。 预存的码本可以包括对应于N的各个等级的预编码矩阵，预存的码本可以由16个码本索引组成，并且可以从预编码生成16个码本索引中的高等级的预编码矩阵的一部分 低等级的矩阵。

    Method for transmitting common reference signal in downlink MIMO system
    58.
    发明授权
    Method for transmitting common reference signal in downlink MIMO system 有权
    在下行MIMO系统中传输公共参考信号的方法

    公开(公告)号：US08937902B2

    公开(公告)日：2015-01-20

    申请号：US13147795

    申请日：2010-02-09

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

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

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

    CPC分类号： H04L5/0048 ,  H04L5/0023 ,  H04L5/005 ,  H04L27/2602 ,  H04L27/2607

    摘要： The present invention relates to a method for transmitting reference signals for measuring a channel in a downlink MIMO (Multi Input Multi Output) system. The method comprises the steps of: configuring, by a base station at which Nt transmit antennas are configured, Nt reference signals for channel measurement, where Nt≧1; and transmitting, by the base station, the Nt reference signals to a use equipment in subframes at a specific cycle. The specific cycle is configured to include more than one subframe.

    摘要翻译： 本发明涉及用于在下行链路MIMO（多输入多输出）系统中发送用于测量信道的参考信号的方法。 该方法包括以下步骤：通过配置Nt个发射天线的基站来配置用于信道测量的N t个参考信号，其中Nt≥1; 并且由基站将Nt个参考信号以特定周期的子帧发送到使用设备。 该特定周期被配置为包括多于一个子帧。

    Method and apparatus for transmitting uplink control information
    60.
    发明授权
    Method and apparatus for transmitting uplink control information 有权
    用于发送上行链路控制信息的方法和装置

    公开(公告)号：US08774224B2

    公开(公告)日：2014-07-08

    申请号：US12839969

    申请日：2010-07-20

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

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

    IPC分类号： H04J1/00

    CPC分类号： 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

    摘要： 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.

    摘要翻译： 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。