Demonstration of Probabilistic Shaping PAM4 for Visible Light Communications
2018 23rd Opto-Electronics and Communications Conference (OECC)（2018）
Abstract
Probabilistic shaping PAM4 for visible light communications is demonstrated. Experiment is conducted over a 2-MHz-bandwidth white LED and 1.2m optical wireless channel. Benefitting from probabilistic shaping, lower symbol error rate and transmitting power are achieved.
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Key words
Signal to noise ratio,Probabilistic logic,Wireless communication,Light emitting diodes,High-speed optical techniques,Optical noise,Adaptive optics
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