PWM-based PPM format for dimming control in visible light communication system
作者： Hyung-Joon Jang , Joon-Ho Choi , Z. Ghassemlooy , Chung Ghiu Lee
DOI: 10.1109/CSNDSP.2012.6292778
关键词: Data transmission 、 Duty cycle 、 Electronic engineering 、 Visible light communication 、 Pulse-frequency modulation 、 Physics 、 Pulse-width modulation 、 Optical modulation amplitude 、 Pulse-position modulation 、 Pulse-amplitude modulation
摘要: We report simulation results of pulse width modulation (PWM)-based position (PPM) signal format for visible light communication systems. For simultaneous operation data transmission and dimming control, PPM is added to PWM control signal. To show the duty ratio changed from 40 % 80 during transmission. The frame rate set 1 kHz avoid flickering in human eyes. 20 kb/s. waveforms, eye diagrams BER this system are calculated. shows 1×10−5 achievable.
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