LiFi

Demos Links

• Link 1
• Link 2

Related Publication

• LiFi Networks Poster
• List of Publications_LiFi

We are witnessing a massive transition in internet data usage. Approximately 74% of the internet users are indoor mobile users, however, indoor mobile devices mainly rely on Wi-Fi due to poor indoor cellular connectivity. Additionally, increasing device penetration, internet of things, virtual reality, augmented reality, real-time services will saturate the Wi-Fi networks. Meanwhile, the researchers are exploring alternate technologies to cope with increasing data demands. Visible light communication (VLC) is a potential solution that utilizes unlicensed visible light spectrum for communication. VLC uses infrastructure light-emitting diodes (LEDs) for both illumination and communication. VLC also finds its use in radio-frequency sensitive environments like hospitals, defense, aircraft cabins, underwater communication, and the petrochemical industry.

Although VLC is a promising technology, it is not yet commercialized. The strength and challenge of the VLC is its highly directional nature, and thus a small coverage area per access point (AP). However, the lack of commercial VLC hardware makes testing the proposed solutions difficult. Our work includes a simple hardware circuitry and the required analysis for developing a VLC setup indigenously. A system or controller with a Python environment and UART, presented VLC transmitter, and receiver circuitry can easily replicate the provided link

Introduction

• LiFi technology is a reliable solution of 6G wireless challenges.
• It uses infrastructure Leds as LiFi access points (Aps) for simultaneous communication and illumination .
• The LEDs are switched at a very high speed to carry information which is invisible to the human eyes.
• The LiFi AP density is very high compare to other commercially available wireless technology.
• LiFi Technology has less probability of signal interception as light cannot pass through the walls.
• It is radio frequency (RF) interference free wireless technology.
• It has no adverse effects on human since we use visible light for communication.
• Green Technology