Li-Fi Basics

This course provides a foundational understanding of Li-Fi (Light Fidelity), a cutting-edge wireless communication technology that uses visible light to transmit data. Li-Fi offers high-speed, secure, and interference-free communication, making it ideal for environments where traditional radio-frequency (RF) communication faces limitations.

• Introduction to Li-Fi: concept, evolution, and comparison with Wi-Fi and RF communication
• Fundamentals of visible light communication spectrum and optical wireless principles
• Core system components: LED transmitters, laser diodes, photodetectors, drivers, and optical receivers
• Modulation techniques for Li-Fi: OOK, OFDM, PPM, DMT, and dimming-aware schemes
• Channel characteristics: line-of-sight (LOS), non-LOS, reflections, and indoor propagation effects
• Link budget analysis, coverage planning, and performance metrics (SNR, BER, data rate)
• Networking aspects: multi-user access, MIMO-Li-Fi basics, and hybrid Li-Fi/RF integration
• Security, privacy, and interference considerations in optical wireless environments
• Practical applications: smart homes, offices, hospitals, transportation, and IoT connectivity
• Current challenges, standardization efforts, and future trends of Li-Fi technology

• Wireless and communication engineers exploring alternative high-speed wireless technologies
• Optical and photonics engineers interested in visible light systems and devices
• IoT and smart-city developers integrating connectivity with lighting infrastructures
• Graduate students and academics in electronics, telecommunications, and applied physics
• Embedded system and hardware designers working on LED drivers and optical transceivers
• Industry professionals in lighting, automation, and indoor networking solutions
• Technology enthusiasts and innovators seeking practical knowledge of next-generation wireless