Characterization Of Low-Level Modulation Techniques For Indoor Visible Light Communication (VLC) System

Lim, Beng Khang (2018) Characterization Of Low-Level Modulation Techniques For Indoor Visible Light Communication (VLC) System. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Technology is another expression of industrial art which comprise of skills, techniques, methods and processes to develop or manufacture a product or provide service to help the life of human getting easier. During the past recent years, we have encountered a bombastic advancement in technology especially in wireless communication system. We are now on the road to the fifth generation of wireless system that would definitely change the way we communicate currently. Optical Wireless Communication (OWC) has risen to become a reliable replacement to the current radio frequency transmission. Visible Light Communication (VLC) is one of the key technologies that falls within the category of OWC and indicate the dawn of 5G. This technology has been proposed for the past decade and the research and development (R&D) keep going until today in order to achieve a better objectives. Such objectives are higher transmission speed, larger capacity and security improvement. Modulation techniques are important to achieve those objectives and some of the them will be discussed in detail. This project is mainly focused on low level indoor VLC system so the modulation schemes are limited to the certain techniques such as pulse position modulation. Most of their properties and both advantages and disadvantages will be listed out to make comparison among various modulation techniques. At last, the modulation technique with the highest transmission speed will be chosen as an ideal method for future prototype.

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