Title :
Error rates for non-coherent demodulation FCMA with Reed-Solomon codes in fading satellite channel
Author :
Ali, Mahmoud Ahmed Attia ; Abou-El-Azm, Atef ; Marie, Mohammed F.
Author_Institution :
Dept. of Electr. Commun., Menoufia Univ., Egypt
Abstract :
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
Keywords :
Rayleigh channels; Reed-Solomon codes; Rician channels; data communication; demodulation; error statistics; mobile satellite communication; multi-access systems; multiuser channels; BER; Berlekamp-Massey decoding; RS codes; Reed-Solomon codes; Rician channel parameters; bit error rate; channel model; coded FCMA; coding gain; data transmission performance; fading compensation; fading environment; fading satellite channel; frequency comb multiple access; hard decision decoding; mobile satellite communications; noncoherent demodulation; nonfrequency selective Rayleigh fading; nonfrequency selective Rice fading; simulation techniques; uncoded FCMA; uncoded reference system; Bit error rate; Data communication; Decoding; Degradation; Demodulation; Error analysis; Frequency; Rayleigh channels; Reed-Solomon codes; Satellite communication;
Conference_Titel :
Vehicular Technology Conference, 1999 IEEE 49th
Conference_Location :
Houston, TX
Print_ISBN :
0-7803-5565-2
DOI :
10.1109/VETEC.1999.778025