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An uplink resource allocation algorithm for OFDM and FBMC based cognitive radio systems

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2 Author(s)
Shaat, M. ; Centre Tecnol. de Telecomunicacions de Catalunya (CTTC), Parc Mediterrani de la Tecnol., Castelldefels-Barcelona, Spain ; Bader, F.

This paper presents an uplink radio resource allocation algorithm for multicarrier based cognitive radio systems. The algorithm allocates the subcarriers to the users in the first step. In the second step, the power is allocated to these subcarriers in order to maximize the total data rate of the system without causing excessive interference to the primary user. The performance of the proposed algorithm is investigated using computer simulations to prove that it achieves a very good performance in comparison with optimal and outperforms other existing algorithms. Moreover, the throughput of Orthogonal frequency division multiplexing (OFDM) and filter bank multicarrier system (FBMC) based cognitive radio systems are compared to show the efficiency of using FBMC in future cognitive radio systems.

Published in:

Cognitive Radio Oriented Wireless Networks & Communications (CROWNCOM), 2010 Proceedings of the Fifth International Conference on

Date of Conference:

9-11 June 2010