Position-based directional vehicular routing

  • Authors:

  • Daxin Tian;Kaveh Shafiee;Victor C. M. Leung

  • Affiliations:

  • The University of British Columbia, Vancouver, BC, Canada;The University of British Columbia, Vancouver, BC, Canada;The University of British Columbia, Vancouver, BC, Canada

  • Venue:
  • GLOBECOM'09 Proceedings of the 28th IEEE conference on Global telecommunications
  • Year:
  • 2009

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Abstract

Routing of data packets in vehicular ad hoc networks (VANETs) is challenging due to dynamic changes in the network topologies. As nodes in VANETs can obtain accurate position information from onboard Global Positioning System receivers, position-based routing is considered to be a very promising routing strategy for VANETs. This paper presents a novel Position-based Directional Vehicular Routing (PDVR) method. To make sure the packets can be sent to the destination in an efficient and stable route, PDVR selects the next-hop from vehicles traveling in the same direction as the forwarding vehicle based on their angular directions relative to the destination. We analyze the straight and the curve highway scenarios, and present the realizing algorithm based on position and velocity vectors. The method is evaluated using NS2 and compared with typical ad hoc routing protocol Ad hoc On-Demand Distance Vector (AODV), the position-based routing protocol Distance Routing Effect Algorithm for Mobility (DREAM), and VANETs routing based on the Cartesian space method. Simulation results show that PDVR can find and maintain more stable routes compared with the other routing protocols.