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GeoSUZ: A Geocast Routing Protocol in Sub-ZORs for VANETs

  • Salim Allal
  • Saadi Boudjit
Part of the Lecture Notes in Computer Science book series (LNCS, volume 7593)

Abstract

Vehicular Ad Hoc Networks (VANETs) are characterized by highly speed nodes, highly dynamic topology and frequent links disconnection. This raises a number of challenges especially in the field of data dissemination. In our work, we focus on Geocast routing in VANETs which consists of routing a message from a unique source vehicle to all vehicles located in a well geographically defined destination area called ZOR (Zone Of Relevance). In literature, ZORs are often assumed to be of any form and still chosen according to the scenarios and motivation needs of the authors. In this paper, we consider a ZOR as a set of sub-ZORs and we choose simple geometrical forms of sub-ZORs so that they will be easy to implement and to represent mathematically. We provide a geometrical vision angles based technique that allows to know if two sub-ZORs are in the same direction in order to send them a single message and hence, reduce the messages overhead. We then introduce a new routing protocol in Sub-ZORs (GeoSUZ) for VANETs based on our geometrical vision angles and greedy forwarding techniques. We compare GeoSUZ to GPSR routing protocol (Greedy Perimeter Stateless Routing for Wireless Networks) [11] and some numerical results show a significant gain in terms of number of messages sent over the network.

Keywords

Geocast routing Sub-ZORs VANETs 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • Salim Allal
    • 1
  • Saadi Boudjit
    • 1
  1. 1.Sorbonne Paris Cité, Laboratoire de Traitement et Transport de l’Information (L2TI), (EA 3043)Université Paris 13VilletaneuseFrance

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