Abstract
The combined effect of postdetection diversity reception and concatenated channel coding on the BER floor of π/4-shift QDPSK due to multipath channel delay spread in Rayleigh fading environments is experimentally investigated. Twobranch postdetection MRC diversity and Reed-Solomon/BCH concatenated coding are applied. Experimental results show that for a BER floor of 10−5, the tolerable RMS delay spread can be increased by ̃70% over the uncoded, diversity reception case.
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