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Experimental Comparison of PAM, CAP, and DMT Modulations in Phosphorescent White LED Transmission Link
PROJECT TITLE :
Experimental Comparison of PAM, CAP, and DMT Modulations in Phosphorescent White LED Transmission Link
ABSTRACT:
In the paper, an experimental comparison of pulse amplitude, carrierless amplitude–part, and discrete multitone modulations is carried in an exceedingly visible light-weight Communications link using white phosphorescent lightweight-emitting diode (LED) as a transmitter. By changing the modulation index, the influence of LED nonlinearity on the performance is studied. The results indicate similar performance of pulse-amplitude modulation (PAM) and carrier-less amplitude???section (CAP) (with a small advantage of the former) and substantially worse performance of DMT.
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