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Performance of errors-and-erasures decoded Reed-Solomon codes over frequency-selective Rayleigh fading channels using M-ary orthogonal signaling

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2 Author(s)
Lie-Liang Yang ; Dept. of Electron. & Comput. Sci., Southampton Univ., UK ; Hanzo, L.

The performance of Reed-Solomon (RS) codes is investigated over frequency-selective Rayleigh fading channels using M-ary orthogonal signaling schemes. `Errors-and-erasures' decoding (E2D) is considered, where erasures are judged based on Viterbi's (1982) ratio threshold test (RTT) and on the basis of the output likelihood ratio threshold test (LRT2). The LRT2 technique is compared with Viterbi's RTT, and both of these are compared to receivers using `error-correction only' decoding (ECOD) over frequency-selective Rayleigh-fading channels, numerical results show that upon using E2 D, RS codes of a given code rate can achieve higher coding gain, than that without erasure information, and that the LRT2 technique outperforms the RTT, provided that both schemes are operated at the optimum decision thresholds

Published in:

Vehicular Technology Conference Proceedings, 2000. VTC 2000-Spring Tokyo. 2000 IEEE 51st  (Volume:2 )

Date of Conference:

2000