A camera-based vehicular visible light communication system using modulated taillights in public road scenarios

Plattner, Michael; Ostermayer, Gerald

doi:10.1016/j.vehcom.2023.100651

Cited by 2 publications

(3 citation statements)

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“…This is why signal drifting, which is inevitable in such a system, is not that bad. Nevertheless, the better the synchronization of transmitter and receiver, the lower the BER, but there is some tolerance [24]. For optimal results, the transmitting system should not just be provided with the nominal sampling rate of the receiving camera but rather an accurately measured value for f s .…”

Section: A Taillight Modulationmentioning

confidence: 99%

“…Additionally, in the proposed system, the modulation signal of the left and right taillight is slightly shifted. This helps to reduce the probability of an error burst caused by ambiguous states occurring on both taillights at the same time [25].…”

Section: A Taillight Modulationmentioning

confidence: 99%

“…The optimal amount of redundancy to detect and correct errors depends on the raw bit error rate (BER) of the transmission. As shown in [25], the BER in a V2V-OCC system depends on various environmental conditions, e.g., distance, weather, road type, etc. To optimize such a system, the ideal code rate for the present environmental conditions could be estimated by the receiving vehicle using sensors, e.g., camera, rain sensor, radar.…”

Section: Channel Codingmentioning

confidence: 99%

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A Security Protocol for Vehicle Platoon Verification Using Optical Camera Communications

Plattner,

Sonnleitner,

Ostermayer

2024

IEEE Trans. Intell. Transport. Syst.

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In autonomous vehicle platooning, members of the platoon not only use their own sensor data for making driving decisions. They also rely on data shared by other members of the platoon. This article proposes a security protocol to verify the established communication link between two vehicles driving in succession. Optical camera communications (OCC) via modulated taillights of the leading vehicle and a front-facing camera of the follower is utilized to transmit a verification key. In the footage of the receiving camera, both the transmitted verification key and the transmitting vehicle are visible and can be associated. If the car in front is able to transmit a valid verification key, the platoon can be built. In this article, a comprehensive evaluation of vehicular OCC is presented. The system is tested in different configurations on public roads with various environmental conditions. This platoon verification mechanism takes less than 10 seconds, even in challenging conditions, e.g., in rain, darkness, or low sun. The experiments demonstrate that modern vehicles are equipped with all hardware components required to implement this OCC system by using the built-in front camera of a Tesla Model 3 as receiver without any modifications.

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Section: A Taillight Modulationmentioning

confidence: 99%

Section: A Taillight Modulationmentioning

confidence: 99%

Section: Channel Codingmentioning

confidence: 99%

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