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Investigation of routing reliability of vehicular ad hoc networks

Eiza, M.H.
; 
Ni, Q.
; 
Owens, T.
; 
Min, Geyong
Publication Date
2013-07-01
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Keywords
AODV, ; Link reliability, ; Routing reliability, ; VANET, ; Vehicular networks, ; Communication
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(c) 2013 The Authors. This is an Open Access article distributed under the Creative Commons CC-BY license (http://creativecommons.org/licenses/by/2.0)
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2013-06-18
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Engineering and Digital Technology Publications
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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.
URI
http://hdl.handle.net/10454/9644
Version
Published version
Citation
Eiza MH, Ni Q, Owens T and Min G (2013) Investigation of routing reliability of vehicular ad hoc networks. EURASIP Journal on Wireless Communications and Networking. 2013: 179.
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https://doi.org/10.1186/1687-1499-2013-179
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