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ThinkMind // International Journal On Advances in Telecommunications, volume 12, numbers 1 and 2, 2019 // View article tele_v12_n12_2019_3


Vehicular Visible Light Communication: An Integrated I2V2V2I Connected Car Concept

Authors:
Manuel Augusto Vieira
Manuela Vieira
Paula Louro
Pedro Vieira

Keywords: I2V, V2I and V2V Vehicular Communication; Connected Cars; Visible Light Communication; Emitters/Receivers, White LEDs; SiC photodetectors; OOK modulation; Traffic control.

Abstract:
This paper investigates the connected vehicle concept at intersections with traffic signals control and proposes the use of Visible Light Communication (VLC) in Vehicular Communication Systems for vehicle safety applications. A smart vehicle lighting system that combines the functions of illumination, signaling, communications, and positioning is presented. A generic model of cooperative transmissions for vehicular communications services is established. Three specific vehicular communications systems are analyzed. One is for Infrastructure-to-Vehicle communications from the street lamps, located on roadside, to the vehicles; the other is for in line Vehicle-to-Vehicle communications and the last for Vehicle-to-Infrastructure communications from cars to the traffic lights, at the crossroad. An on-off code is used to transmit data. The encoded message contains the ID code of each emitter concomitantly with a traffic message that is received, decoded and resent to another vehicle or to traffic light, in the crossroad. An algorithm to decode the information is established. A phasing traffic flow is presented as a proof of concept.

Pages: 30 to 39

Copyright: Copyright (c) to authors, 2019. Used with permission.

Publication date: June 30, 2019

Published in: journal

ISSN: 1942-2601

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