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    • 42. 发明专利
    • Wireless communication system and receiving device
    • 无线通信系统和接收设备
    • JP2007228029A
    • 2007-09-06
    • JP2006043794
    • 2006-02-21
    • Fujitsu Ltd富士通株式会社
    • SHU RYONAKAMURA MICHIHARU
    • H04J99/00H04J11/00
    • H04L25/03331H04B7/0417H04B7/0626H04L1/0631H04L1/065
    • PROBLEM TO BE SOLVED: To provide a wireless communication system and a receiving device each capable of restraining a circuit scale and obtaining an excellent error rate property.
      SOLUTION: In a wireless communication system in which a transmitting device and a receiving device communicate in an orthogonal frequency division multiplexing system, the transmitting device includes a partition means partitioning a transmission data sequence into a plurality of data streams and a mapping means mapping the data streams to each of transmitting antennas by using, for a precoding matrix, columns, corresponding to a stream count of the plurality of the streams, of a right singular matrix acquired by singular value decomposition of a channel matrix, and the receiving device includes a decoding means that Viterbi-decodes the received signals by weighting a path metric by using a weighting coefficient corresponding to a signal-to-noise ratio obtained from the present channel matrix.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种无线通信系统和接收装置,每个无线通信系统和接收装置能够限制电路规模并获得优异的错误率特性。 解决方案:在发送装置和接收装置在正交频分复用系统中通信的无线通信系统中,发送装置包括将发送数据序列划分为多个数据流的分割装置和映射装置 通过对于预编码矩阵,使用对应于通过信道矩阵的奇异值分解获取的右奇异矩阵的多个流的流计数的列,将数据流映射到每个发送天线,并且接收设备 包括通过使用与从当前信道矩阵获得的信噪比对应的加权系数对路径度量进行加权来对接收信号进行维特比解码的解码装置。 版权所有(C)2007,JPO&INPIT