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Sensors 2019, 19(2), 290;

City-Wide Eco-Routing Navigation Considering Vehicular Communication Impacts

Center for Sustainable Mobility, Virginia Tech Transportation Institute, Blacksburg, VA 24061, USA
Author to whom correspondence should be addressed.
Received: 29 November 2018 / Revised: 28 December 2018 / Accepted: 4 January 2019 / Published: 12 January 2019
(This article belongs to the Special Issue Advances on Vehicular Networks: From Sensing to Autonomous Driving)
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Intelligent Transportation Systems (ITSs) utilize Vehicular Ad-hoc Networks (VANETs) to collect, disseminate, and share data with the Traffic Management Center (TMC) and different actuators. Consequently, packet drop and delay in VANETs can significantly impact ITS performance. Feedback-based eco-routing (FB-ECO) is a promising ITS technology, which is expected to reduce vehicle fuel/energy consumption and pollutant emissions by routing drivers through the most environmentally friendly routes. To compute these routes, the FB-ECO utilizes VANET communication to update link costs in real-time, based on the experiences of other vehicles in the system. In this paper, we study the impact of vehicular communication on FB-ECO navigation performance in a large-scale real network with realistic calibrated traffic demand data. We conduct this study at different market penetration rates and different congestion levels. We start by conducting a sensitivity analysis of the market penetration rate on the FB-ECO system performance, and its network-wide impacts considering ideal communication. Subsequently, we study the impact of the communication network on system performance for different market penetration levels, considering the communication system. The results demonstrate that, for market penetration levels less than 30%, the eco-routing system performs adequately in both the ideal and realistic communication scenarios. It also shows that, for realistic communication, increasing the market penetration rate results in a network-wide degradation of the system performance. View Full-Text
Keywords: ITS; VANET; eco-routing; large-scale network; smart cities; penetration ratio; connected vehicles, vehicular networks ITS; VANET; eco-routing; large-scale network; smart cities; penetration ratio; connected vehicles, vehicular networks

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Elbery, A.; Rakha, H. City-Wide Eco-Routing Navigation Considering Vehicular Communication Impacts. Sensors 2019, 19, 290.

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