JPL's Wireless Communication Reference Website Slide Show

We have to get the joint PDF f(r', r)

Start with jointly Gaussian PDF (I, Q, I^, Q^)

Covariance matrix of (I, Q, I^, Q^)

where

b_n is n-th moment of Doppler spectral power density

For uniform angles of arrives

where (n-1)!! = 1 3 5 .....(n-1)

JPL's Wireless Communication Reference Website © Jean-Paul M.G. Linnartz, 1993, 1995.