Exploiting routing redundancy using MAC layer anycast to improve delay in WSN

  • Authors:
  • Farhana Ashref;Robin H. Kravets;Nitin H. Vaidya

  • Affiliations:
  • University of Illinois at Urbana-Champaign;University of Illinois at Urbana-Champaign;University of Illinois at Urbana-Champaign

  • Venue:
  • ACM SIGMOBILE Mobile Computing and Communications Review
  • Year:
  • 2010

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Abstract

Source-destination pairs in wireless sensor networks often have multiple shortest hop paths because the nodes are densely deployed. These multiple paths provide a great opportunity to reduce delay in an asynchronous duty-cycled network. In this paper, we exploit the redundancy available at the route layer using MAC-layer anycasting. We choose the next hop node that wakes up the soonest and thus reduce the delay incurred at each hop.