The bit error probability for DPSK signalling is given by Pe
= 0 5 e_ _2_b , in AWGN channel with double-sided PSD N0 2. In
a fading channel, the channel gain _ is modelled by the following pdf:
a. Determine the average probability of error for
b. Determine the asymptotic value of the error probability
as _b=Eb/N0 approaches infinity. Error floor (minimum bit error
probability) is determined by which term?
c. Determine the value of p0 so as to achieve an asymptotic
bit error probability level lower than 10_3
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