Taking Advantage of the Sum of the Light in Outphasing Technique for Visible Light Communication Transmitter

Visible light communication (VLC) takes advantage of the widespread use light-emitting diodes (LEDs), and by modifying driver stage, LEDs are capable lighting transmitting information. One main drawbacks is low power efficiency due to modification LED stage in order add capability. Most research work related VLC toward task, whereas there a limited about improvement on efficiency. This article proposes high-efficiency for working as transmitter based outphasing technique. technique used also radio frequency (RF) communications increases amplifiers. The proposed made up two switching-mode amplifiers that reproduce signals required dc/dc converter biases LEDs. proposal exploits and, instead being added electrically, their form, which leads reduction complexity design. As experimental results, was built Class E reproducing 16-QAM modulation, achieving signal-generation 78% an overall 92%.