Activity pattern impact of primary radio nodes on channel selection strategies

Authors:
Mubashir Husain Rehmani;Aline Carneiro Viana;Hicham Khalife;Serge Fdida
Affiliations:
LIP6/UPMC Sorbonne Universités;INRIA;LaBRI/ENSEIRB, Université de Bordeaux;LIP6/UPMC Sorbonne Universités
Venue:
Proceedings of the 4th International Conference on Cognitive Radio and Advanced Spectrum Management
Year:
2011

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Abstract

The performance of cognitive radio network is highly dependent upon the primary radio nodes activity pattern. In this paper, we study and analyze the impact of different PR nodes activity pattern with the help of three performance metrics. In this perspective, we use our channel selection strategy SURF and three other channel selection strategies i.e., Random (RD), Highest Degree (HD), and Selective Broadcasting (SB). We analyze the performance of these channel selection strategies through extensive NS-2 simulations. Moreover, we also analyze how these strategies respond to different PR nodes activity. Simulation results confirm that SURF outperforms RD, HD, and SB in terms of delivery ratio and causes less harmful interference to PR nodes, in all primary radio nodes activity pattern.