Characterization of End-to-end Path Selection for Cognitive Radio Wireless Mesh Networks

The Cognitive Radio (CR) can delivers the environment to Secondary Users (SUs) of Wireless Mesh Network (WMN) to utilize unused spectrum of Primary Users (PUs) opportunistically. The CR can improve the spectrum usage of the WMN. However, this rises the some additional complexities for the SUs such as spectrum heterogeneity, unpredictable PU activity and interference constraints. In this paper an analytical model has been developed to analyse these complexities for each SU node and link characteristics for end-to-end optimal Path and channel assignment. Numerical results show that the analytical model is an effective tool to investigate the effects of the PU activities and channel heterogeneity on the network performance. (Wajahat Maqbool S. K. Syed-Yusof, N. M. Abdul Latiff, S. Nejatian. Characterization of End-to-end Path Selection for Cognitive Radio Wireless Mesh Networks. Life Sci J 2014;11(8):827-834) (ISSN:1097-8135). http://www.lifesciencesite.com. 124

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