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Performance evaluation of bandwidth efficient block-coded schemes on a mobile radio channel

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2 Author(s)
Jamali, S.H. ; Dept. of Electr. & Comput. Eng., Concordia Univ., Montreal, Que., Canada ; LE-NGOC, THO

The performance of bandwidth-efficient Reed-Solomon coded multiphase signalling schemes is evaluated on a shadowed Rician fading channel using different decoding strategies, namely, errors-only, erasures-and-errors, and soft-decision decoding. The error bounds are calculated and examined by simulation for the RS(7,5)-coded 8 PSK scheme as an example, on a shadowed Rician channel with different degrees of shadowing. It is shown that the performance of this scheme is significantly improved compared to the uncoded QPSK. This improvement depends on the signal-to-noise ratio, decoding strategy, and the degree of shadowing. A comparison between different decoding techniques for different degrees of shadowing shows that the use of channel measurement information in the decoding process is more effective for heavily shadowed channels

Published in:

Global Telecommunications Conference, 1991. GLOBECOM '91. 'Countdown to the New Millennium. Featuring a Mini-Theme on: Personal Communications Services

Date of Conference:

2-5 Dec 1991