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MATLAB自带了 rayleighchan 函数来产生时变瑞利信道,据说用的是Jakes频域反变换方法来产生时间相关性的瑞利模型。【见博客】
- %Ts the sample time of input signal, in seconds
- %Fd the maximum Doppler shift, in hertz
- %tau the vector of path delays, in seconds
- %pdb the vector of path gains, in dB
-
- Fs=1000; %采样频率
- Ts=1/Fs; %采样间隔
- Fd=500; %Doppler频偏,Hz
- tau=[0,0.01]; %多径延时向量,s
- pdb=[0,0]; %多径信道增益向量,dB
- chan = rayleighchan(Ts, Fd, tau, pdb);
信道模型分为:数学模型 ->Zadeh, Bello 时变线性滤波器
->宽平稳非相关(WSSUS)信道
仿真模型 ->Clarke, Jakes 多径叠加模型 ->Zheng 模型, Field 模型
->抽头延时线模型
->Peter, Hoeher 蒙特卡洛模型
->基于KL展开
1. https://blog.csdn.net/shenjun1992722/article/details/50193381
2. https://blog.csdn.net/mike190267481/article/details/7359576
3. https://blog.csdn.net/caozhk/article/details/19929435
4. https://max.book118.com/html/2017/1107/139307446.shtm
5. https://www.cnblogs.com/xh0102/p/6382598.html?utm_source=itdadao
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