Abstract
Cognitive Radio has been considered a key technology in the future wireless communication. These radio networks with their spectrum sensing capability have become one of the most reliable wireless communication networks. Basically, these networks employ two types of users PU’s (Primary Users) having licensed frequency band for their usage and SU’s (Secondary Users) that can intelligently detect which communication channels are available and move into vacant ones while avoiding occupied ones. To have communication among these users, a routing protocol is used whose basic purpose is to provide a reliable route from source to destination. An important parameter while designing a routing strategy is the consideration of overall throughput of path. In this paper we consider the same to find the most optimal throughput path using fuzzy logic theory. MATLAB-7.01 is used for implementation and results show that our proposed scheme outperforms shortest spectrum aware routing scheme.
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