Abstract: In recent years, the general interest in routing for vehicular ad hoc networks (VANETs) has increased notably. Many proposals have been presented to improve the behavior of the routing decisions in these very changeable networks. In this paper, we propose a new routing protocol for VANETs that uses four different metrics. which are the distance to destination, the vehicles’ density, the vehicles’ trajectory and the available bandwidth, making use of the information retrieved by the sensors of the vehicle, in order to make forwarding decisions, minimizing packet losses and packet delay. Through simulation, we compare our proposal to other protocols, such as AODV (Ad hoc On-Demand Distance Vector), GPSR (Greedy Perimeter Stateless Routing), I-GPSR (Improvement GPSR) and to our previous proposal, GBSR-B (Greedy Buffer Stateless Routing Building-aware). Besides, we present a performance evaluation of the individual importance of each metric to make forwarding decisions. Experimental results show that our proposed forwarding decision outperforms existing solutions in terms of packet delivery.
Keywords: vehicular ad hoc networks; multi-metric forwarding decisions; geographic routing protocol
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Tripp-Barba, C.; Urquiza-Aguiar, L.; Igartua, M.A.; Rebollo-Monedero, D.; de la Cruz Llopis, L.J.; Mezher, A.M.; Aguilar-Calderón, J.A. A Multimetric, Map-Aware Routing Protocol for VANETs in Urban Areas. Sensors 2014, 14, 2199-2224.
Tripp-Barba C, Urquiza-Aguiar L, Igartua MA, Rebollo-Monedero D, de la Cruz Llopis LJ, Mezher AM, Aguilar-Calderón JA. A Multimetric, Map-Aware Routing Protocol for VANETs in Urban Areas. Sensors. 2014; 14(2):2199-2224.
Tripp-Barba, Carolina; Urquiza-Aguiar, Luis; Igartua, Mónica A.; Rebollo-Monedero, David; de la Cruz Llopis, Luis J.; Mezher, Ahmad M.; Aguilar-Calderón, José A. 2014. "A Multimetric, Map-Aware Routing Protocol for VANETs in Urban Areas." Sensors 14, no. 2: 2199-2224.