A novel extension for on-demand routing protocol in event-driven sensor networks

  • Authors:

  • Dong-Hyun Chae;Kyu-Ho Han;Kyung-Soo Lim;Sun-Shin An

  • Affiliations:

  • Department of Electronics Engineering, Korea University, Seoul, Korea;Department of Electronics Engineering, Korea University, Seoul, Korea;Department of Electronics Engineering, Korea University, Seoul, Korea;Department of Electronics Engineering, Korea University, Seoul, Korea

  • Venue:
  • NETWORKING'05 Proceedings of the 4th IFIP-TC6 international conference on Networking Technologies, Services, and Protocols; Performance of Computer and Communication Networks; Mobile and Wireless Communication Systems
  • Year:
  • 2005

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Abstract

We describe a problem of redundant flooding induced by multiple sensor nodes during route discovery in event-driven wireless sensor networks, and propose a novel extension to the on-demand ad hoc routing protocol, in order to reduce the number of signaling messages during the route discovery phase. That is, our extension reduces energy consumption during route discovery. The heuristically and temporarily selected Path Set-up Coordinator (PSC) plays the role of a route request broker that alleviates redundant route request flooding. The simulation results show that our extension not only helps to conserve energy, but also reduces the disruption caused by the broadcast storm.