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    Apparatus and method for controlling transmission/reception power by measuring propagation delay and processing time in a wireless communication system
    4.
    发明申请
    Apparatus and method for controlling transmission/reception power by measuring propagation delay and processing time in a wireless communication system 审中-公开
    通过测量无线通信系统中的传播延迟和处理时间来控制发射/接收功率的装置和方法

    公开(公告)号：US20070097900A1

    公开(公告)日：2007-05-03

    申请号：US11588433

    申请日：2006-10-27

    申请人： Do-Young Kim ,  Sung-Kwon Hong ,  Young-Kwon Cho ,  Eun-Taek Lim ,  Dong-Seek Park ,  Marcos Katz

    发明人： Do-Young Kim ,  Sung-Kwon Hong ,  Young-Kwon Cho ,  Eun-Taek Lim ,  Dong-Seek Park ,  Marcos Katz

    IPC分类号： H04B7/185

    CPC分类号： H04W52/46 ,  H04W52/226 ,  H04W52/283

    摘要： An apparatus and method for controlling power in a multi-hop relay broadband wireless communication system are provided. A BS sends a signal to an RS and an MS to estimate distances between the BS, the RS and the MS. Upon receipt of signals from the RS and the MS, the BS measures ToAs of the received signals and detects time information included in the received signals, and calculates propagation delays between the BS, the RS and the MS based on the ToAs and the time information. The BS estimates the distances between the BS, the RS and the MS using the propagation delays, and controls transmission power according to the estimated distances.

    摘要翻译： 提供了一种用于控制多跳中继宽带无线通信系统中的功率的装置和方法。 BS向RS和MS发送信号以估计BS，RS和MS之间的距离。 在接收到来自RS和MS的信号时，BS测量接收到的信号的ToAs并且检测包括在接收信号中的时间信息，并且基于ToAs和时间信息来计算BS，RS和MS之间的传播延迟 。 BS使用传播延迟估计BS，RS和MS之间的距离，并且根据估计的距离来控制发射功率。

    Apparatus and method for encoding/decoding space time block code in a mobile communication system using multiple input multiple output scheme
    8.
    发明授权
    Apparatus and method for encoding/decoding space time block code in a mobile communication system using multiple input multiple output scheme 有权
    在使用多输入多输出方案的移动通信系统中对空间时间块码进行编码/解码的装置和方法

    公开(公告)号：US07620117B2

    公开(公告)日：2009-11-17

    申请号：US11124888

    申请日：2005-05-09

    申请人： Chan-Byoung Chae ,  Hong-Sil Jeong ,  Katz Marcos Daniel ,  Dong-Seek Park ,  Young-Kwon Cho

    发明人： Chan-Byoung Chae ,  Hong-Sil Jeong ,  Katz Marcos Daniel ,  Dong-Seek Park ,  Young-Kwon Cho

    IPC分类号： H04L27/00

    CPC分类号： H04L1/0643

    摘要： Disclosed is an apparatus and method for encoding/decoding a space time block code in a mobile communication system using a multiple input multiple output scheme. In a transmitter employing a plurality of transmit antennas in the mobile communication system, if a signal to be transmitted is input, the transmit signal is pre-encoded according to a preset coding scheme, the pre-encoded signal is space-time mapped according to a number of the transmit antennas to employ a preset space time block coding scheme, and the space-time mapped signal is transmitted through the transmit antennas by applying the preset space time block coding scheme to the space-time mapped signal.

    摘要翻译： 公开了一种使用多输入多输出方案在移动通信系统中对时空块码进行编码/解码的装置和方法。 在移动通信系统中采用多个发射天线的发射机中，如果要发射的信号被输入，则根据预设的编码方案对发射信号进行预编码，根据预编码信号进行空时映射 使用预设空间时间块编码方案的多个发送天线，并且通过将预设空间时间块编码方案应用于时空映射信号，通过发送天线发送空时映射信号。

    Apparatus and method for space-frequency block coding/decoding in a communication system
    9.
    发明授权
    Apparatus and method for space-frequency block coding/decoding in a communication system 有权
    在通信系统中用于空间频率块编码/解码的装置和方法

    公开(公告)号：US07606320B2

    公开(公告)日：2009-10-20

    申请号：US11156689

    申请日：2005-06-20

    申请人： Chan-Byoung Chae ,  Hong-Sil Jeong ,  Young-Kwon Cho ,  Dong-Seek Park ,  Katz Marcos Daniel

    发明人： Chan-Byoung Chae ,  Hong-Sil Jeong ,  Young-Kwon Cho ,  Dong-Seek Park ,  Katz Marcos Daniel

    IPC分类号： H04B7/02

    CPC分类号： H04B7/068

    摘要： An apparatus and method for SFBC coding and decoding in a communication system using a plurality of (Nt) Tx antennas are provided. In a transmitter using Nt transmit antennas, a pre-coder pre-codes an input symbol sequence using a pre-coding matrix. The pre-coding matrix is produced by puncturing a unitary matrix in a predetermined method. An encoder generates a plurality of vectors by grouping the symbols of the pre-coded symbol sequence by twos, space-frequency maps each of the vectors by encoding each of the vectors in an Alamouti coding scheme, and provides each of the space-frequency mapped symbols to a predetermined OFDM modulator.

    摘要翻译： 提供了一种在使用多个（Nt）个Tx天线的通信系统中用于SFBC编码和解码的装置和方法。 在使用Nt个发射天线的发射机中，预编码器使用预编码矩阵对输入符号序列进行预编码。 预编码矩阵是通过以预定方法对单一矩阵进行打孔而产生的。 编码器通过对预编码符号序列的符号进行二进制分组来生成多个向量，通过以Alamouti编码方案对每个向量进行编码，对每个向量进行空间频率映射，并且提供每个空间频率映射 符号到预定的OFDM调制器。