WSEAS Transactions on Communications
Print ISSN: 1109-2742, E-ISSN: 2224-2864
Volume 13, 2014
Performance Evaluation of MC-CDMA and DS-CDMA Schemes in Satellite Communications Based on VSAT Networks
Authors: , , ,
Abstract: The purpose of this paper is to model and evaluate the performance of a satellite communication system based on VSAT networks. In this study, the envisaged system adopts the Direct Sequence Code Division Multiple Access (DS-CDMA) scheme and Multi-Carrier Code Division Multiple Access (MC-CDMA). To improve the performance of the modeled system, and get a low bit error rate, we proposed the use of Forward Error Correction (FEC). In this paper, the performances of the satellite communication system based on VSAT network have been examined over AWGN channel. The simulation results are obtained for uncoded and coded system in the uplink case. The performance of the system is given in terms of Bit Error Rate (BER). The results analysis shows that the coded system performance is better compared to uncoded system performance. Under AWGN channel, particularly in uplink case, the DS-CDMA scheme works better than MC-CDMA in the satellite applications based on VSAT networks.
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Pages: 548-557
WSEAS Transactions on Communications, ISSN / E-ISSN: 1109-2742 / 2224-2864, Volume 13, 2014, Art. #60