提出了一种联合迫零和独立信道预编码OFDM系统.该系统用发送端迫零预编码和哈达玛矩阵预编码对发送数据进行联合预处理,简化了接收端,提高了系统的分集增益,仿真结果表明该方法提高了系统的误码率性能.%A combined zeroforcing and channel independent precoding OFDM system is introduced. The proposed system utilized a combined zero-forcing and Hadamard matrix precoding at the transmitter, simplified the receiver and increased the diversity gain of the system. The simulation results show that the proposed precoder improved the BER performance of OFDM system.
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