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    • 21. 发明申请
    • METHOD AND APPARATUS FOR DEMODULATION OF A REFERENCE SIGNAL
    • 用于参考信号解调的方法和装置
    • WO2012065523A1
    • 2012-05-24
    • PCT/CN2011/082026
    • 2011-11-10
    • HUAWEI TECHNOLOGIES CO., LTD.TANG, YangWU, QiangGAO, ChiZHOU, Yongxing
    • TANG, YangWU, QiangGAO, ChiZHOU, Yongxing
    • H04B7/02H04L1/06
    • H04B7/046H04B7/0691
    • A method for wireless network communication is provided. The method comprises determining, by a transmitter including a quantity of antennas, a quantity of transmitted layers; mapping a quantity of data symbols to the antennas using a quantity of precoders; generating a quantity of demodulation reference signal (DMRS) antenna ports based on the quantities of the antennas, the transmitted layers, and the precoders; and determining whether to precode at least one of the DMRS antenna ports with the precoders. The method further maps the precoded data symbols and the DMRS antenna ports to a quantity of resource elements. The method then modulates a signal comprising the resource elements and transmits the modulated signal to a receiver. Subsequently, the method estimates a channel received by the receiver over the DMRS antenna ports.
    • 提供了一种用于无线网络通信的方法。 该方法包括:通过包括天线数量的发射机确定发射层的数量; 使用一定数量的预编码器将数量的数据符号映射到天线; 基于天线数量,透射层和预编码器的数量生成解调参考信号(DMRS)天线端口数量; 以及使用所述预编码器确定是否对所述DMRS天线端口中的至少一个进行预编码。 该方法还将预编码的数据符号和DMRS天线端口映射到一定数量的资源元素。 然后,该方法调制包括资源元素的信号,并将调制信号发送到接收机。 随后,该方法估计接收机在DMRS天线端口上接收的信道。