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Combined effect of diversity reception/channel coding on error floor due to delay spread in DPSK mobile radio

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3 Author(s)
Ohno, K. ; NTT, Kanagawa, Japan ; Adachi, F. ; Kawamura, K.

The combined effect of postdetection diversity reception and concatenated channel coding on the BER floor of pi /4-shift QDPSK due to multipath channel delay spread in Rayleigh fading environments is experimentally investigated. Two-branch 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 approximately 70% over the uncoded, diversity reception case.

Published in:

Electronics Letters  (Volume:28 ,  Issue: 12 )