A Complete Spectrum Sensing and Sharing Model for Cognitive Radio Ad Hoc Wireless Networks Using Markov Chain State Machine

Authors:
Mahdy Saedy;Amir Rajaee;Brian Kelley
Affiliations:
University of Texas at San Antonio, USA;University of Texas at San Antonio, USA;University of Texas at San Antonio, USA
Venue:
International Journal of Interdisciplinary Telecommunications and Networking
Year:
2011

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Abstract

an unlimited number of secondary users. It includes the sharing aspect of Cognitive Radio. Power-law distribution of node degree in scale-free networks is important for considering the traffic distribution and resource management thus we consider the effect of the topology on sensing and sharing performances. The authors demonstrate that CIF outperforms Uniform Indexing UI algorithm in Scale-Free networks while in Random networks UI performs as well as CIF.