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Realization of Rayleigh fading in MATLAB
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Rayleigh fading can effectively describe the wireless propagation environment with a large number of obstacles scattering radio signals. If there is enough scattering in the propagation environment, the impulse signal will appear as the superposition of a large number of statistically independent random variables when it reaches the receiver. According to the central limit theorem, the impulse response of this wireless channel will be a Gaussian process. If there is no main signal component in the scattering channel, usually the condition is that there is no direct signal (LOS), then the mean value of the process is 0 and the phase obeys a uniform distribution of 0 to 2 π. In other words, the envelope of channel response obeys Rayleigh distribution.
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