Cooperative vehicular communication systems based on visible light communication

Manuel A. Vieira; Manuela Vieira; Paula Louro; Pedro Vieira

doi:10.1117/1.OE.57.7.076101

6 July 2018 Cooperative vehicular communication systems based on visible light communication

Manuel A. Vieira, Manuela Vieira, Paula Louro, Pedro Vieira

Author Affiliations +

Optical Engineering, Vol. 57, Issue 7, 076101 (July 2018). https://doi.org/10.1117/1.OE.57.7.076101

Abstract

The use of visible light communication (VLC) in vehicular communication systems for vehicle safety applications is proposed. The system aims to ensure the communication between a LED-based VLC emitter and an on-vehicle VLC receiver. A traffic scenario is established. Vehicle-to-vehicle (V2V) and infrastructure-to-vehicle (I2V) communications are analyzed. For the V2V communication study, the emitter was developed based on the vehicle headlights, whereas for the study of I2V communication system, the emitter was built based on streetlights. The VLC receiver is based on amorphous SiC technology and enhances the conditioning of the signal enabling to decode the transmitted information. Receivers are located at the rooftop of the vehicle, for I2V communications, and at the tails for V2V reception. Clusters of emitters, in a square topology, are used in the I2V transmission. The information and the ID code of each emitter in the network are sent simultaneously by modulating the individual chips of the trichromatic white LED. Free space is the transmission medium. An on–off code is used to transmit data. An algorithm to decode the information at the receivers is set. The proposed system was tested. The experimental results confirmed that the proposed cooperative VLC architecture is suitable for the intended applications.

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Manuel A. Vieira, Manuela Vieira, Paula Louro, and Pedro Vieira "Cooperative vehicular communication systems based on visible light communication," Optical Engineering 57(7), 076101 (6 July 2018). https://doi.org/10.1117/1.OE.57.7.076101

Received: 20 March 2018; Accepted: 15 June 2018; Published: 6 July 2018

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