PERFORMANCE EVALUATION OF HYBRID VLC/RF SYSTEMS

Abstract

The thesis is dedicated to analysis and comparison between hard switching and soft switching methods for hybrid VLC/RF systems. VLC communication is well known for its efficient high data rate service for use in indoor environment, however it is vulnerable to the line-of-sight obstruction. Its counterpart, RF communication, is easy to implement and efficient as a back up means. Optimization of the VLC/RF heterogeneous systems in terms of the overall throughput is the novelty in the field of related studies on VLC technology based hybrid systems. It allows not only to improve the system’s bit rate but also to find the most favorable initial parameters for a system. The results of simulations performed reveal the remarkable superiority of the soft switching scheme and VLC-RF throughput functions interrelationship.