Title :
Combined effect of diversity reception/channel coding on error floor due to delay spread in DPSK mobile radio
Author :
Ohno, Kizuku ; Adachi, Fumiyuki ; Kawamura, Kei
Author_Institution :
NTT, Kanagawa, Japan
fDate :
6/4/1992 12:00:00 AM
Abstract :
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.
Keywords :
digital radio systems; diversity reception; encoding; error statistics; fading; mobile radio systems; phase shift keying; radio reception; radiowave propagation; BCH concatenated coding; BER; DPSK mobile radio; RS coding; Rayleigh fading environments; Reed-Solomon; concatenated channel coding; differential PSK; error floor; maximal-ratio diversity combining; multipath channel delay spread; pi /4-shift QDPSK; postdetection diversity reception; tolerable RMS delay spread; two-branch postdetection;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19920713
