APPARATUS AND METHOD FOR CHANNEL INFORMATION FEEDBACK IN MULTIPLE ANTENNA SYSTEM
    1.
    发明申请
    APPARATUS AND METHOD FOR CHANNEL INFORMATION FEEDBACK IN MULTIPLE ANTENNA SYSTEM 审中-公开
    多天线系统中信道信息反馈的装置和方法

    公开(公告)号:US20090168911A1

    公开(公告)日:2009-07-02

    申请号:US12343674

    申请日:2008-12-24

    IPC分类号: H04L27/28

    摘要: An apparatus and method for channel information feedback in a multiple antenna system are provided. The method includes selecting at least one code for at least one Eigen vector based on channel information with a serving node from a codebook including at least one code, constructing a set of codes orthogonal to a first code including the at least one selected code, and indicating the first code using an amount of information that enables expression of the codes of the codebook, indicating codes, other than the first code, in the constructed set using an amount of information that enables expression of the codes included in the set and performing feedback to the serving node.

    摘要翻译: 提供了一种用于多天线系统中的信道信息反馈的装置和方法。 该方法包括:从包括至少一个代码的码本中,基于信道信息与服务节点选择至少一个特征向量的至少一个代码,构建与包括至少一个所选代码的第一代码正交的一组代码,以及 使用能够表达包含在集合中的代码并执行反馈的信息量使得能够使用能够表达代码本的代码的信息量的第一代码来指示构造的集合中的除了第一代码之外的代码 到服务节点。

    APPARATUSES AND METHODS FOR TRANSMISSION AND RECEPTION IN A CODEBOOK BASED CLOSED-LOOP (CL)-MULTIPLE INPUT MULTIPLE OUTPUT (MIMO) SYSTEM
    2.
    发明申请
    APPARATUSES AND METHODS FOR TRANSMISSION AND RECEPTION IN A CODEBOOK BASED CLOSED-LOOP (CL)-MULTIPLE INPUT MULTIPLE OUTPUT (MIMO) SYSTEM 有权
    基于代码库的闭环(CL) - 多输入多输出(MIMO)系统中的传输和接收的装置和方法

    公开(公告)号:US20090274227A1

    公开(公告)日:2009-11-05

    申请号:US12430035

    申请日:2009-04-24

    IPC分类号: H04K1/10

    摘要: Apparatuses and methods for transmission and reception in a Closed-Loop (CL)-Multiple Input Multiple Output (MIMO) system are provided. A codebook generation method includes determining weight vectors vi(i=1, . . . ,2L) for a codebook V(4, 1, L), where Nt of a codebook V(Nt,s,L) denotes a number of antennas, s denotes a number of streams, and L denotes a number of codebook index bits, determining a unitary matrix Ti using an i-th vector vi of the codebook V(4, 1, L), and determining an i-th matrix of the codebook V(4, 2, L) by selecting a first column of the unitary matrix Ti as a first column of a weight matrix and selecting a column selected from other columns excluding the first column of the unitary matrix Ti in a particular pattern, as a second column of the weight matrix.

    摘要翻译: 提供了一种闭环(CL) - 多输入多输出(MIMO)系统中发送和接收的装置和方法。 码本生成方法包括:对码本V(4,1,L)确定码本V(i = 1,...,2L)的码本V(Nt,s,L)的Nt表示多个天线 s表示流数,L表示码本索引比特数,使用码本V(4,1,L)的第i个向量vi确定酉矩阵Ti,并且确定第i个矩阵 通过选择酉矩阵Ti的第一列作为加权矩阵的第一列,并且选择从特定图案中的除了单一矩阵Ti的第一列之外的其他列中选择的列的码本V(4,2,L) 作为权重矩阵的第二列。

    APPARATUS AND METHOD FOR CALIBRATION IN MULTI-ANTENNA SYSTEM
    5.
    发明申请
    APPARATUS AND METHOD FOR CALIBRATION IN MULTI-ANTENNA SYSTEM 有权
    用于多天线系统校准的装置和方法

    公开(公告)号:US20090191819A1

    公开(公告)日:2009-07-30

    申请号:US12358881

    申请日:2009-01-23

    IPC分类号: H04B17/00

    摘要: Apparatus and method for calibration in a multi-antenna system are provided. The method includes setting at least two transmission paths connected to antennas, respectively, as reference transmission paths, when receiving compensation signals transmitted in the reference transmission paths in at least two reception paths connected to the antennas, respectively, determining a phase difference of the reception paths using the received compensation signals, and calibrating the reception paths using the phase difference of the reception paths.

    摘要翻译: 提供了一种用于多天线系统中的校准的装置和方法。 该方法包括分别在连接到天线的至少两个接收路径中接收在参考传输路径中发送的补偿信号时分别设置连接到天线的至少两个传输路径作为参考传输路径,确定接收的相位差 使用所接收的补偿信号的路径,以及使用接收路径的相位差来校准接收路径。

    APPARATUS AND METHOD FOR CALIBRATION FOR COOPERATIVE MULTIPLE INPUT MULTIPLE OUTPUT IN A WIRELESS COMMUNICATION SYSTEM
    7.
    发明申请
    APPARATUS AND METHOD FOR CALIBRATION FOR COOPERATIVE MULTIPLE INPUT MULTIPLE OUTPUT IN A WIRELESS COMMUNICATION SYSTEM 有权
    无线通信系统中合作多输入多输出校准的装置和方法

    公开(公告)号:US20100303015A1

    公开(公告)日:2010-12-02

    申请号:US12791573

    申请日:2010-06-01

    IPC分类号: H04W88/08 H04L27/28

    摘要: A method and apparatus for multi-cell calibration in a wireless communication system supporting cooperative Multiple Input Multiple Output (MIMO) are provided. Operations of a Base Station (BS) according to the method include transmitting a first message indicating a start of multi-cell sounding calibration to a reference Mobile Station (MS); estimating an uplink channel matrix of the reference MS using pilot symbols received from the reference MS; transmitting pilot symbols for enabling the reference MS to estimate a downlink channel matrix; when receiving downlink channel information of cooperative BSs from the reference MS, transmitting second messages comprising the downlink channel information to the cooperative BSs; and determining a multi-cell calibration matrix using the uplink channel matrix and the downlink channel information received from the reference MS.

    摘要翻译: 提供了一种支持协作多输入多输出(MIMO)的无线通信系统中多小区校准的方法和装置。 根据该方法的基站(BS)的操作包括向参考移动站(MS)发送指示多小区发声校准开始的第一消息; 使用从所述参考MS接收的导频符号来估计所述参考MS的上行链路信道矩阵; 发送用于使所述参考MS能够估计下行链路信道矩阵的导频符号; 当从参考MS接收到协作BS的下行链路信道信息时,向合作BS发送包括下行链路信道信息的第二消息; 以及使用从所述参考MS接收的所述上行链路信道矩阵和所述下行链路信道信息来确定多小区校准矩阵。

    APPARATUS AND METHOD FOR COOPERATIVE TRANSMISSION/RECEPTION IN WIRELESS COMMUNICATION SYSTEM
    8.
    发明申请
    APPARATUS AND METHOD FOR COOPERATIVE TRANSMISSION/RECEPTION IN WIRELESS COMMUNICATION SYSTEM 有权
    无线通信系统中协同传输/接收的装置和方法

    公开(公告)号:US20110098072A1

    公开(公告)日:2011-04-28

    申请号:US12902580

    申请日:2010-10-12

    IPC分类号: H04B7/00

    摘要: For cooperative transmission in a broadband wireless communication system, an apparatus and operating method of a Base Station (BS) in a broadband wireless communication system are provided. The method includes receiving a cooperative transmission REQuest (REQ) message which includes at least one of information designating a cooperative Mobile Station (MS), a pilot pattern of the cooperative MS, a variable determining a permutation pattern, and an orthogonal code of the cooperative MS, from a control station, allocating a resource of a predefined Coordinated MultiPoint transmit/receive (CoMP) zone occupying part of a frame, to at least one cooperative MS designated by the cooperative transmission REQ message, and communicating with the at least one cooperative MS according a cooperative transmission scheme using the resource of the CoMP zone.

    摘要翻译: 对于宽带无线通信系统中的协作传输,提供了宽带无线通信系统中的基站(BS)的装置和操作方法。 该方法包括接收协作传输REQest(REQ)消息,其包括指定协作移动台(MS)的信息,协同MS的导频模式,确定置换模式的变量和协作的正交码中的至少一个 MS从控制站分配占用帧的一部分的预定协调多点发送/接收(CoMP)区域的资源给由协作发送REQ消息指定的至少一个协作MS,并与至少一个协作 MS根据协作传输方案使用CoMP区域的资源。

    APPARATUS AND METHOD FOR UPLINK POWER CONTROL IN WIRELESS COMMUNICATION SYSTEM
    9.
    发明申请
    APPARATUS AND METHOD FOR UPLINK POWER CONTROL IN WIRELESS COMMUNICATION SYSTEM 有权
    无线通信系统中上行电源控制的装置及方法

    公开(公告)号:US20100113077A1

    公开(公告)日:2010-05-06

    申请号:US12607581

    申请日:2009-10-28

    IPC分类号: H04B7/00

    摘要: An apparatus and method for controlling a transmit power of a sounding signal in a wireless communication system are provided. The method includes estimating a downlink Carrier to Interference and Noise Ratio (CINR) using at least one signal received from a Base Station (BS), determining a transmit power level for a sounding signal using a target CINR for the sounding signal, wherein the target CINR is determined based on the downlink CINR and multi-target CINR information, and transmitting the sounding signal according to the transmit power level.

    摘要翻译: 提供一种用于控制无线通信系统中的探测信号的发射功率的装置和方法。 该方法包括使用从基站(BS)接收的至少一个信号估计下行链路载波干扰和噪声比(CINR),使用目标CINR确定用于探测信号的探测信号的发射功率电平,其中目标 基于下行CINR和多目标CINR信息确定CINR,并根据发送功率电平发送探测信号。