Abstract
With the wide application of software radio technology platform, the traditional authentication technology of car key based on radio is no longer reliable. In this paper, a low-cost SIMO-VLC (single input multiple output visible light communication) system is designed to meet the needs of automobile key authentication, which effectively improves the authentication safety performance of automobiles. Furthermore, the hardware platform of the SIMO-VLC system was presented. Finally, we finished the actual test of bit error rate for scenarios with different colours and different distances in the experiment. The experimental results demonstrate that this technology has better communication reliability in the range of 5-180cm with blue light source.
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