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Fault Tolerant Routing Protocol in Cognitive Radio Networks

  • Santosh KumarEmail author
  • Awadhesh Kumar Singh
Article
  • 26 Downloads

Abstract

The primary objective of the cognitive radio network (CRN) is to improve the spectrum utilization and achieve significant packet delivery ratio (PDR). However, CRN is high failure prone due to the node mobility and primary user (PU) interference. This article presents a robust routing protocol to handle failure during data transmission in CRN. In this protocol, each node maintains a list of candidates for next hop and orders them based on common channels. Most of the existing routing protocols trigger the rerouting on detection of the link failure, while our protocol uses the alternate link (forwarding node) to transmit data rather than rerouting. Thus, it achieves significant PDR with a controlled end to end delay. Finally, the performance of protocol has been evaluated through extensive simulation experiments. The simulation results conform that our protocol is robust and guarantee higher data delivery despite PU interference as compared to existing protocols.

Keywords

Cognitive radio networks Routing protocols Delay Efficient data delivery 

Notes

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Department of Computer EngineeringNational Institute of TechnologyKurukshetraIndia

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