\A NOVEL SUBCARRIER ALLOCATION ALGORITHM FOR MC-CDMA SYSTEMS

Muhammet Nuri Seyman – Bircan Saçakli

   Multi carrier modulation techniques such as MC-CDMA are used in high-speed communication applications. Due to MC-CDMA being a multiuser in technology, the subcarrier quantity allocated per user decreases in case the quantity of active users increases. Consequently, data rates per user are reduced with the increase in the bit error rate (BER). Efficient allocation of subcarriers to users within the system can aid the overcoming of this problem. This study develops a new algorithm for subcarrier allocation and system performance improvement in terms of BER, and data rates in comparison to other algorithms were ensured.

Keywords: MC-CDMA, subcarrier allocation, fairness, data rate

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