RACARP: A Robustness Aware Routing Protocol for Cognitive Radio Ad Hoc Networks

Provided by: Journal of Theoretical and Applied Information Technology
Topic: Mobility
Format: PDF
Cognitive Radio (CR) is a new paradigm which offers a viable solution to deal with the spectrum shortage problem and enhances the spectrum utilization in wireless communication systems. In Cognitive Radio Ad Hoc Networks (CRAHNs), data routing is one of the most challenging tasks due to varying link-quality, frequent topology changes and intermittent connectivity caused by the activities of Primary Users (PUs). This paper proposes a robustness aware routing protocol for CRAHNs, referred to the Robustness Aware Cognitive Ad-hoc Routing Protocol (RACARP), with an aim to provide robust transmission path and offer fast route recovery in presence of PU activities during data delivery.

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