Abstract
In this paper, we present a new Multi-Carrier Code-selective Code Division Multiple Access System (MC CS-CDMA) with frequency repetition. The code selection process enables the proposed scheme to decrease the number of subcarriers for the same transmission data rate and total bandwidth as conventional MC DS-CDMA. The remaining bandwidth can be used for frequency repetition in order to achieve frequency diversity gain. Our results show that by maintaining a constant data rate, total bandwidth and PAPR, the proposed MC CS-CDMA system achieves a much greater performance improvement than conventional MC DS-CDMA.
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