8单径瑞利信道中的四发四收V-BLAST： (1) 请设计一种具体的导引辅助的信道估计方法，用Simulink进行仿真，测量16QPSK调制时的误码率性能。画出比特信噪比与信道估计均方误差的关系曲线，画出比特信噪比与误码率的关系曲线。 (2) 计算所设计方案的频谱效率是多少，单位为bit/Hz/s。-8 Single-Path Rayleigh Channel Four received four V-BLAST: (1) Please design a specific guide-a

QPSK调制信号经过AWGN、Rayleigh衰落信道的误码率-QPSK modulated signal through AWGN, Rayleigh fading channel bit error rate

ofdm系统中LS信道估计，QPSK调制，模拟瑞利信道，能运行出误码率图形。-LS channel estimation in OFDM system, QPSK modulation, analog Rayleigh channel can run a bit error rate graphics.

基于matlab/simulink的bpsk,qpsk经过白噪声信道和rayleigh多径误码率在不同信噪比下的计算，给出了对应的误码率曲线-Based on matlab/simulink bpsk, qpsk white noise channel and rayleigh multi-path error rate at different signal to noise ratio of the calculation, given the corresponding error rat