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Investigation of routing reliability of vehicular ad hoc networks

Hashem Eiza, M and Ni, Q and Owens, T and Min, G (2013) Investigation of routing reliability of vehicular ad hoc networks. EURASIP Journal on Wireless Communications and Networking, 2013 (179). ISSN 1687-1499

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Abstract

In intelligent transportation systems, the cooperation between vehicles and the road side units is essential to bring these systems to fruition. Vehicular ad hoc networks (VANETs) are a promising technology to enable the communications among vehicles on one hand and between vehicles and road side units on the other hand. However, it is a challenging task to develop a reliable routing algorithm for VANETs due to the high mobility and the frequent changes of the network topology. Communication links are highly vulnerable to disconnection in VANETs; hence, the routing reliability of these ever-changing networks needs to be paid special attention. In this paper, we propose a new vehicular reliability model to facilitate the reliable routing in VANETs. The link reliability is defined as the probability that a direct communication link between two vehicles will stay continuously available over a specified time period. Furthermore, the link reliability value is accurately calculated using the location, direction and velocity information of vehicles along the road. We extend the well-known ad hoc on-demand distance vector (AODV) routing protocol to propose our reliable routing protocol AODV-R. Simulation results demonstrate that AODV-R outperforms significantly the AODV routing protocol in terms of better delivery ratio and less link failures while maintaining a reasonable routing control overhead.

Item Type: Article
Uncontrolled Keywords: AODV; Link reliability; Routing reliability; VANET; Vehicular networks
Subjects: Q Science > QA Mathematics > QA75 Electronic computers. Computer science
Divisions: Computer Science
Publisher: SpringerOpen
Date Deposited: 28 Sep 2015 08:50
Last Modified: 28 Sep 2015 08:50
DOI or Identification number: 10.1186/1687-1499-2013-179
URI: http://researchonline.ljmu.ac.uk/id/eprint/2082

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