Abstract
We derive a formula for the bit error probability (BEP) of binary partial response continuous phase modulation (PRCPM) with differential phase detection (DPD) in a Rician fading channel subject to L-branch maximum ratio combining (MRC) diversity. We compute the BER for minimum shift keying (MSK), Gaussian minimum shift keying (GMSK) and 2RC (two bit duration Raised cosine) frequency signals as a function of the energy-to-noise ratio per bit, E/N/sub 0/, and other system and channel parameters (L=1, 2, 3; Rician factor K=-/spl infin/, 0, 6, 10, /spl infin/ dB; Doppler frequency shift f/sub D/T=0, 0.01, 0.02; Gaussian premodulation filter bandwidth B/sub g/T=/spl infin/, 0.5, 0.25 in the presence of a Doppler frequency tracking loop in the receiver). In all cases the BEP is significantly reduced by diversity.
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