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A Visible Light Vehicle-to-Vehicle Communication System Using Modulated Taillights

Authors:
Michael Plattner
Gerald Ostermayer

Keywords: Automotive applications; Connected vehicles; Vehicle safety; Visible light communication; Differential phase shift keying

Abstract:
In this paper, we propose a visible light vehicle-to-vehicle communication system by modulating the taillights of a car and receiving the signal with a camera. Safety critical communication in applications like platooning requires a fast and secure wireless connection. Such a connection can be established by using our optical communication as an out-of-band channel to transmit a public key to another car following on the road. We are able to transmit 60 bit/s via the optical channel with an average BER (Bit Error Rate) of 3.46% and it takes about 5 seconds on average to receive the transmitted code word containing a 128-bit key in a non-synchronized system. Such an optical channel is very hard to manipulate for a third party and hence the transmitted public key can be used to verify the identity of the communication partner and man-in-the-middle attacks are made more difficult.

Pages: 7 to 12

Copyright: Copyright (c) IARIA, 2020

Publication date: April 26, 2020

Published in: conference

ISSN: 2308-4146

ISBN: 978-1-61208-781-8

Location: Nice, France

Dates: from October 25, 2020 to October 29, 2020