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Image Sensor Based V2V Optical Wireless Communication System

Article of Honda R&D Technical Review Vol.29 No.1

Summary

In order for multiple autonomous vehicles to interact, they will need to identify one another according to their relative position and ID. With this objective, a camera-based system for vehicle-to-vehicle communication was developed to detect vehicle IDs and relative position by imaging optical signals loaded with an ID and blinking at high speed. Digital information is sent with modulated light that changes in phase, and phase changes are detected by lock-in pixel camera to receive the signals. The system also detects distance by shifting the relative sampling timing. The implementation can receive 640 bps signals simultaneously on seven channels and detect distances up to 600 m with an uncertainty of ±5.6 m.

Reference

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Author (organization or company)

Chiaki AOYAMA(Fundamental Technology Research Center)

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