Routing Approaches for Cognitive Radio Ad-Hoc Networks and Challenges

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Provided by: International Journal of Computer Applications
Topic: Networking
Format: PDF
Cognitive Radio Networks (CRNs) are composed of cognitive devices capable of changing their configurations on Real time, based on the spectrum environment. This capability provides chance to opportunistically reuse the portion of the spectrum as required resigned by the Primary Users (PU's). From another point of view, the tractability in the spectrum access level attaches to an increased complexity for designing of communication protocols at each layer. This paper focuses on the problem of designing efficient routing results for multi-hop CRNs that become a central issue in cognitive networking paradigm.
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