A comparative study of scenario-driven multi-hop broadcast protocols for VANETs

Shahid Latif, Saeed Mahfooz, Bilal Jan, Naveed Ahmad, Yue Cao, Muhammad Asif

Research output: Contribution to journalArticlepeer-review

74 Citations (Scopus)


Vehicular Ad Hoc Networks (VANETs) are becoming the favorable option for the Intelligent Transportation Systems (ITS). The efficient distribution of information in the form of data packets, is essential in order to support the vision of smart ITS. In VANETs, vehicles communicate with other vehicles directly or through existing infrastructure for sharing traffic information. Th data distribution is usually done using broadcast method. Data broadcast in VANETs is a challenging issue since high mobility vehicles with varying density have to share and route the safety critical information to other intended vehicles in real time. Thus, it needs to be addressed by the existing and new solutions for the same. Keeping this in mind, this study presents a detailed description of the existing data broadcast protocol for VANETs with an objective of selecting a particular scheme for a particular application with respect to its benefits over the others. This study reviews and compares numerous existing multi-hop data broadcast protocols in terms of various attributes such as data forwarding strategies, objectives, type of architecture, application scenarios, assumptions, evaluation metrics, simulation platform. Furthermore, an original taxonomy of these protocols is introduced based upon the road scenarios with critical discussion on each categorization with respect to its strengths, weaknesses and important constraints. Finally, various perspectives, challenges and shortcomings of the existing research work are discussed.
Original languageEnglish
Pages (from-to)88-109
JournalVehicular Communications
Early online date22 Feb 2018
Publication statusPublished - Apr 2018


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