Cross layering in wireless sensor networks

  • Authors:
  • Pascale Minet;Saoucene Mahfoudh

  • Affiliations:
  • INRIA, Rocquencourt, France;INRIA, Rocquencourt, France

  • Venue:
  • Proceedings of the 2009 International Conference on Wireless Communications and Mobile Computing: Connecting the World Wirelessly
  • Year:
  • 2009

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Abstract

Cross layering enables to have both a generic network design and optimized performance for the desired application and its operational environment. We examine here how to apply cross layering to adapt the OLSR routing protocol to the considered application and its wireless sensor environment. Cross layering with the application leads to (i) adapt OLSR timers to the application phases, (ii) maintain routes only to strategic nodes and (iii) select more stable routes based on the node movement knowledge. Cross layering with the MAC layer increases the reactivity of OLSR to topology changes and improves route stability by choosing only links of good quality. Cross layering with the energy management allows OLSR to be energy efficient and combined with node activity scheduling, to maximize network lifetime.