对3条固定路径的AWGN多径信道中的QPSK系统进行BER性能仿真（不同p和delay 的取值来分别定义莱斯（瑞利）平坦衰落信道、莱斯（瑞利）频率选择性衰落信道).-For three fixed-path multipath AWGN channel of the QPSK system BER performance simulation (different values for p and the delay are defined Rice (Rayleigh) flat fading

要求对有3条固定路径的AWGN多径信道中的QPSK系统进行BER性能仿真，并与在理想的AWGN信道中同样系统的BER性能进行比较。熟悉瑞利平坦衰落、莱斯平坦衰落与频率选择性衰落的特点，比较这些衰落信道的误码率。-Required to have three fixed-path AWGN multipath channels of QPSK system BER performance simulation, and in an ideal AWGN channel with the same

This MATLAB programme simulates a BPSK communication channel and generates the BER curves for QPSK detection in AWGN and Rayleigh Fading wireless channels and superposes the manalytical curves over them

The simulated and theoretical performance curves (Eb/NO vs. BER) for BPSK modulation over Rayleigh Fading channel and the AWGN

使用蒙特卡罗方法模拟AWGN信道中QPSK的数字BER，并附加QPSK_AWGN.m脚本。 修改具有ZF接收机的系统中的瑞利平坦衰落信道的情况的代码。 在同一个图中绘制其数值和分析BER。(Use the Monte Carlo method to simulate the numerical BER of QPSK in AWGN channels, with the QPSK_AWGN.m scr ipt attached. Modify the code for the case o