Citation :

Falguni Sarkar, Swaroop Pattanaik, Soudeep Chowdhury, "Application of Light Fidelity in Underground Mines: An Opportunity to Overcome Communication Hurdles," International Journal of Engineering Trends and Technology (IJETT), vol. 74, no. 8, pp. 444-453, 2026. Crossref, https://doi.org/10.14445/22315381/IJETT-V74I8P129

Abstract

This paper describes the design, development, and testing of a high-speed, economical, and efficient wireless text data transmission system through Visible Light Communication (VLC), also known as Light Fidelity, for underground metal mines. It deals with the importance of a stable communication system for underground situations, where Radio Frequency communication systems are limited. The proposed work consists of the design, fabrication, and analysis of a Light Fidelity communication system setup, coupled with Arduino microcontrollers. The simulation test is performed through Proteus ISIS software for the validation of circuit designs. Voltage versus Distance analysis demonstrates the system’s effectiveness, as the data transmission is observed without distortion up to a certain voltage threshold. The study concludes that Li-Fi may offer a promising solution for enhancing communication and resolving line of sight problem in underground mines, using existing LED (Light Emitting Diode) lighting infrastructure for transmission. In this study, the analysis of the distance vs. voltage depicted that when a minimum 25% of the input voltage from the transmitter end is received at the receiver’s end, then the data transfer occurs without any distortion.

Keywords

Li-Fi, Transmitter-Receiver, Underground metal mines, Voltage- Distance analysis.

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