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The authors propose a new tracking method using IMaGe sensor (IMG) and Photo Diode (PD) for visible light road-to-vehicle communication. Proposed method uses an IMG with wide FOV, which receives tracking signal, and a PD with narrow FOV, which receives communication signal. As FOV of the IMG is wide, service range, where communication signal can be received, is larger than conventional methods. Moreover, as FOV of the PD is narrow, PD is less affected by background noise and high speed communication can be possible.
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