Rician Fading - Channel Characterization

Channel Characterization

A Rician fading channel can be described by two parameters: and . is the ratio between the power in the direct path and the power in the other, scattered, paths. is the total power from both paths, and acts as a scaling factor to the distribution.

The received signal amplitude (not the received signal power) is then Rice distributed with parameters and . The resulting PDF then is:


f(x) = \frac{2(K+1)x}{\Omega} \exp\left(-K-\frac{(K+1)x^2}{\Omega}\right) I_0\left(2\sqrt{\frac{K(K+1)}{\Omega}}x\right)
,

where is the 0th order modified Bessel function of the first kind.

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