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Journal Articles IEEE Transactions on Intelligent Vehicles Year : 2019

Simultaneous Visible Light Communication and Distance Measurement Based on the Automotive Lighting

Abstract

Visible light communication could be an interesting complement to the IEEE 802.11p-based vehicle-to-vehicle communication systems that are sensitive to interferences and delays in dense traffic scenarios such as platooning. Visible light could also provide a redundant distance measure that is crucial for path control in this application. In this paper, a system called visible light communication rangefinder and performing simultaneously vehicle-to-vehicle communication and range-finding using the headlamps and taillights is proposed for the first time. By exchanging a clock signal contained in Manchester-encoded signals, both the following and leading vehicles can share information and estimate their inter-distance through phase-shift measurement. The system is first presented theoretically and it is shown in particular that the Doppler effect has no significant impact on both functions. Then, it is modeled and validated using Simulink. Finally, both the range-finding and communication function are validated experimentally. The range-finding function is functional up to 25 m, and has a resolution of around 24 cm at 10 m, whereas the communication function provides a 500 kbps link with a BER below 10 −6 up to 30 m.
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Dates and versions

hal-02398725 , version 1 (07-12-2019)

Identifiers

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Bastien Béchadergue, Luc Chassagne, Hongyu Guan. Simultaneous Visible Light Communication and Distance Measurement Based on the Automotive Lighting. IEEE Transactions on Intelligent Vehicles, 2019, 4 (4), pp.532-547. ⟨10.1109/TIV.2019.2938087⟩. ⟨hal-02398725⟩
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