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Mobile Information Systems
Volume 2016, Article ID 8714142, 18 pages
http://dx.doi.org/10.1155/2016/8714142
Review Article

A Survey and Comparative Study of Broadcast Warning Message Dissemination Schemes for VANETs

1Computer Science and System Engineering Department, University of Zaragoza, C/Atarazana 2, 44003 Teruel, Spain
2Computer Engineering Department, Universitat Politècnica de València, Camino de Vera, s/n, 46022 Valencia, Spain

Received 20 November 2015; Accepted 15 March 2016

Academic Editor: Massimo Merro

Copyright © 2016 Julio A. Sanguesa et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Vehicle-to-vehicle (V2V) communications also known as vehicular ad hoc networks (VANETs) allow vehicles to cooperate to increase driving efficiency and safety on the roads. In particular, they are forecasted as one of the key technologies to increase traffic safety by providing useful traffic services. In this scope, vehicle-to-vehicle dissemination of warning messages to alert nearby vehicles is one of the most significant and representative solutions. The main goal of the different dissemination strategies available is to reduce the message delivery latency of such information while ensuring the correct reception of warning messages in the vehicle’s neighborhood as soon as a dangerous situation occurs. Despite the fact that several dissemination schemes have been proposed so far, their evaluation has been done under different conditions, using different simulators, making it difficult to determine the optimal dissemination scheme for each particular scenario. In this paper, besides reviewing the most relevant broadcast dissemination schemes available in the recent literature, we also provide a fair comparative analysis by evaluating them under the same environmental conditions, focusing on the same metrics, and using the same simulation platform. Overall, we provide researchers with a clear guideline of the benefits and drawbacks associated with each scheme.