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An Energy Efficient Message Dissemination Scheme in Platoon-Based Driving Systems

Author

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  • Taeyoon Kim

    (Department of Smart-car, Soonchunhyang University, 22 Soonchunhyang-ro, Shinchang-myeon, Asan-si, Chungcheongnam-do 31538, Korea)

  • Taewon Song

    (IoT Connectivity Standard Team, LG Electronics, 19, Yangjae-daero 11-gil, Seocho-gu, Seoul 06772, Korea)

  • Sangheon Pack

    (The School of Engineering, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul 02841, Korea)

Abstract

With the development of the convergence of IT and automotive technology, platoon-based driving systems are getting more attention and how to disseminate messages in the platoon is an important issue. In this paper, to enhance the energy efficiency and traffic throughput (e.g., average velocity) while meeting transmission deadlines, we propose an energy efficient message dissemination scheme (EMDS) in platoon-based driving systems, which also provides proper power control and relay selection. To find out the optimal policy to balance the probability of successful message dissemination and transmission power cost in EMDS, we formulate a Markov decision process (MDP) problem that considers the velocity of the vehicles in the platoon. To evaluate the performance of EMDS, we analyze the outage probability, the average velocity, and the expected power consumption using the discrete-time Markov chain (DTMC) model. Evaluation results demonstrate EMDS with the optimal policy improves the average velocity and the energy efficiency of message dissemination compared with the conventional message dissemination schemes, while reducing the message dissemination failure rate.

Suggested Citation

  • Taeyoon Kim & Taewon Song & Sangheon Pack, 2020. "An Energy Efficient Message Dissemination Scheme in Platoon-Based Driving Systems," Energies, MDPI, vol. 13(15), pages 1-23, August.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:15:p:3940-:d:393169
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    References listed on IDEAS

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    1. Anamarija Falkoni & Antun Pfeifer & Goran Krajačić, 2020. "Vehicle-to-Grid in Standard and Fast Electric Vehicle Charging: Comparison of Renewable Energy Source Utilization and Charging Costs," Energies, MDPI, vol. 13(6), pages 1-22, March.
    2. Chen Wang & Yulu Dai & Jingxin Xia, 2020. "A CAV Platoon Control Method for Isolated Intersections: Guaranteed Feasible Multi-Objective Approach with Priority," Energies, MDPI, vol. 13(3), pages 1-16, February.
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