Error rates for non-coherent demodulation FCMA with Reed-Solomon codes in fading satellite channel
Mortuza Ali, Atef Abou Elazm, M.F. Marie · 2003
Fading in mobile satellite communications severely degrades the performance of data transmission. The emphasis in this paper is on the performance of uncoded and coded frequency comb multiple access (FCMA) in the fading environment. The channel is modeled with nonfrequency selective Rice and Rayleigh fading using non-coherent demodulation with Reed-Solomon (RS) codes and hard decision decoding. Berlekamp-Massey decoding of RS codes is used to compensate for the fading. The bit error rate (BER) after decoding is calculated for specific codes and for different values of Rician channel parameters. The results of this paper are obtained by simulation techniques. They show that substantial coding gains are obtained compared to the uncoded reference system. They are also useful as reference for validating the results of simulation studies.