A universal geocast scheme for vehicular ad hoc networks

  • Authors:
  • Mohammad Nekoui;Hossein Pishro-Nik

  • Affiliations:
  • University of Massachusetts, Amherst;University of Massachusetts, Amherst

  • Venue:
  • CCNC'10 Proceedings of the 7th IEEE conference on Consumer communications and networking conference
  • Year:
  • 2010

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Abstract

A universal communications scheme for Vehicular Ad hoc Networks (VANETs) is proposed. This scheme accounts for a diverse variety of VANET-specific characteristics such as the gradual introduction of technology, highly dynamic topology, road-constrained vehicle movement and the presence of obstacles. The scheme incorporates a geometrical framework previously proposed by the authors which makes it appropriate for urban as well as rural area deployments. Moreover, by making the scheme probabilistic, capacity-delay tradeoffs crucial for safety message exchange are addressed. Although the presence of infrastructure is a privilege to our scheme, the network can still operate in a pure ad hoc manner. Simulation results confirm that our heuristic method dramatically improves the probability of reception of nodes in different scenarios.