Indoor Visible Light Communication System With Diversity Combining And Repetition Code

Concurrent illumination and communication using LED for Visible Light Communication (VLC) system has been the focus of some researches in the past years. Giving a new purpose of old technology, without addition of a new infrastructure becoming a strong point for VLC system. In this research we used diversity technique to perform a data communication using visible light medium. With diversity order of 3 with red Light Emitting Diode (LED), Green LED, and Blue LED. Each carry a redundant data. We encode the data and its redundant in a repetition code. Simulation results shows system performance with BER of $2.41\mathrm{x}10^{-4}$ at SNR of 1 dB compared to the proposed system with shadowing effect with BER of $-2.47\mathrm{x}10^{-4}$ at SNR of 1 dB. This show that the system is robust against shadowing in an indoor VLC environment.