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Sensors 2018, 18(3), 755;

Adjacent Vehicle Number-Triggered Adaptive Transmission for V2V Communications

Division of Electronics and Electrical Engineering, Dongguk University-Seoul, Seoul 04620, Korea
Author to whom correspondence should be addressed.
Received: 24 December 2017 / Revised: 16 February 2018 / Accepted: 27 February 2018 / Published: 2 March 2018
(This article belongs to the Special Issue Smart Vehicular Mobile Sensing)
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For vehicle-to-vehicle (V2V) communication, such issues as continuity and reliability still have to be solved. Specifically, it is necessary to consider a more scalable physical layer due to the high-speed mobility of vehicles and the complex channel environment. Adaptive transmission has been adapted in channel-dependent scheduling. However, it has been neglected with regards to the physical topology changes in the vehicle network. In this paper, we propose a physical topology-triggered adaptive transmission scheme which adjusts the data rate between vehicles according to the number of connectable vehicles nearby. Also, we investigate the performance of the proposed method using computer simulations and compare it with the conventional methods. The numerical results show that the proposed method can provide more continuous and reliable data transmission for V2V communications. View Full-Text
Keywords: vehicle communication; vehicle-to-vehicle communications; data transmission method; adaptive modulation scheme vehicle communication; vehicle-to-vehicle communications; data transmission method; adaptive modulation scheme

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Wei, Y.; Chen, J.; Hwang, S.-H. Adjacent Vehicle Number-Triggered Adaptive Transmission for V2V Communications. Sensors 2018, 18, 755.

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