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Open AccessArticle

An Interest-Based Approach for Reducing Network Contentions in Vehicular Transportation Systems

by 1,2,*,†, 3,†, 2,*,† and 1,†
Institute of Computing, University of Campinas, Campinas 13083-852, Brazil
Institute of Computer Science, University of Bern, 3012 Bern, Switzerland
Computer Science Department, Federal University of Minas Gerais, Belo Horizonte 31270-901, Brazil
Authors to whom correspondence should be addressed.
These authors contributed equally to this work.
Sensors 2019, 19(10), 2325;
Received: 23 April 2019 / Revised: 9 May 2019 / Accepted: 11 May 2019 / Published: 20 May 2019
(This article belongs to the Special Issue Vehicular Network Communications)
Traffic management systems (TMS) are the key for dealing with mobility issues. Moreover, 5G and vehicular networking are expected to play an important role in supporting TMSs for providing a smarter, safer and faster transportation. In this way, several infrastructure-based TMSs have been proposed to improve vehicular traffic mobility. However, in massively connected and multi-service smart city scenarios, infrastructure-based systems can experience low delivery ratios and high latency due to packet congestion in backhaul links on ultra-dense cells with high data traffic demand. In this sense, we propose I am not interested in it (IAN3I), an interest-based approach for reducing network contention and even avoid infrastructure dependence in TMS. IAN3I enables a fully-distributed traffic management and an opportunistic content sharing approach in which vehicles are responsible for storing and delivering traffic information only to vehicles interested in it. Simulation results under a realistic scenario have shown that, when compared to state-of-the-art approaches, IAN3I decreases the number of transmitted messages, packet collisions and latency in up to 95 % , 98 % and 55 % respectively while dealing with traffic efficiency properly, not affecting traffic management performance at all. View Full-Text
Keywords: traffic management system; floating content; opportunistic content sharing traffic management system; floating content; opportunistic content sharing
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de Souza, A.M.; Maia, G.; Braun, T.; Villas, L.A. An Interest-Based Approach for Reducing Network Contentions in Vehicular Transportation Systems. Sensors 2019, 19, 2325.

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