Backbone-based location-aided routing algorithm to reduce control packets of AODV protocol

  • Authors:
  • David Espes;Zoubir Mammeri

  • Affiliations:
  • IRIT -- Paul Sabatier University, Toulouse, France;IRIT -- Paul Sabatier University, Toulouse, France

  • Venue:
  • Mobility '06 Proceedings of the 3rd international conference on Mobile technology, applications & systems
  • Year:
  • 2006

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Abstract

A mobile Ad hoc network (MANETs) consists of wireless hosts that may move often. Movements of hosts result in changes in routes, requiring some mechanisms for determining new routes. The well-known Ad hoc On-demand Distance Vector (AODV) protocol determines a route when no route exists or a route breaks. To determine new routes, it broadcasts control packets, which increase the network bandwidth consumption. As MANETs have limited resources, it is important to reduce the control packets. We propose a protocol which uses a backbone network to limit control packets. The destination location is given by GPS and transmitted to the source by the backbone network. We propose a routing algorithm using the LAR (Location-Aided Routing) protocol and communicating with the backbone network to obtain the destination location. Use of LAR protocol allows to limit the route search to smaller zones than the AODV protocol, thus reducing the number of control packets. To show the efficiency of our protocol, we present simulations using NS-2.