Modified AODV Routing Protocol for Multi-hop Cognitive Radio Ad Hoc Networks

Conference paper
Part of the Advances in Intelligent Systems and Computing book series (AISC, volume 324)

Abstract

Cognitive radio network (CRN) is a next generation network which has been studied and receiving significant research due to the underutilization and congestion in radio spectrum. Cognitive radio technology possesses self-adaptivity, and routing is one of the key issues for designing a self-adaptive networks. It has been received greater attention due to the tremendous growth in spectrum utilization there by reusing the spectrum efficiently and sharing the licensed band in the absence of primary users (PUs). In this paper, we have proposed a modified AODV routing protocol which can be used for multi-hop cognitive radio ad hoc networks that can efficiently utilizes the spectrum in an intelligent manner. The proposed routing method selects the best path to transmit the packets considering the PUs activity and switches to new route if there is any interference of PUs present. In this method, the routing table periodically updates its information and can be used to find the optimal route.

Keywords

Cognitive radio network Secondary users Multi-hop Routing Radio spectrum 

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Copyright information

© Springer India 2015

Authors and Affiliations

  • Melvin Mathew
    • 1
  • G. Shine Let
    • 1
  • G. Josemin Bala
    • 1
  1. 1.Department of Electronics and Communication EngineeringKarunya UniversityCoimbatoreIndia

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