Patent ID: 11909440
Assignee: SOOCHOW UNIVERSITY
Field: Telecommunications (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 2:
3. The visible light communication system with adaptive dimming according to claim 2, wherein a receive end of the visible light communication system comprises a third photoelectric sensor, a fourth photoelectric sensor, an analog switch, a receiver controller, and an adaptive M-PAM demodulator;
the third photoelectric sensor acquires a light signal emitted by the visible light emitter, and the fourth photoelectric sensor acquires a light signal emitted by the infrared light emitter;
the receiver controller is connected to the analog switch and the adaptive M-PAM demodulator; and
the analog switch is connected to the third photoelectric sensor and the fourth photoelectric sensor to gate valid signals of visible light signals and infrared signals, and the valid signals are demodulated by the adaptive M-PAM demodulator and outputted to a sink.