Hybrid Optical Wireless Communication for Versatile IoT Applications: Data Rate Improvement and Analysis

This paper outlines the concept of a multilevel bipolar on-off keying hybrid optical wireless communication (OWC) system using single light-emitting diode (LED) as transmitter well photodiode and camera-based receivers for versatile indoor Internet Things applications. The proposed offers simultaneous high- low-speed transmission capabilities visible light (VLC) camera (OCC) links, respectively. By means experimental implementation, we show that OWC employing chip LED modulated with signal improves data rate $R_{b}$ bit error reception success VLC OCC respectively, by doubling bandwidth. We scheme can provide an independent link performance, irrespective significant differences between operating over range spans notation="LaTeX">$L$ . demonstrate throughput is improved up to notation="LaTeX">$\sim $ 100 Mb/s, which corresponds twice bandwidth, direct modulation, different amplitude levels, optimizing received power link. Error-free achieved all values , overlap 0 0.3,