CPC H04W 12/06 (2013.01) [H04B 10/116 (2013.01); H04B 10/524 (2013.01); H04W 12/108 (2021.01); H04W 12/65 (2021.01)] | 13 Claims |
1. Visual light communication emitter for a vehicle, arranged to communicate a status of the vehicle, and comprising:
a first light emitter arranged to emit flash light which is modulated at a first target frequency in a dedicated non-visible spectrum,
a second light emitter arranged to emit flash light which is modulated at a second target frequency in the dedicated non-visible spectrum, and
wherein a difference between the first target frequency and the second target frequency is predetermined, so as to authenticate the status of the vehicle,
wherein the first target frequency and the second target frequency are between 1 kHz and 1 MHz.
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