Light-Fidelity Technology
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Light Fidelity (Li-Fi) is an emerging wireless communica-tion technology that utilizes visible light high-speed data transmission, offering an efficient alternative to conventional radio frequency systems. This research presents the design and implementation of a Li-Fi-based audio communication system using both LED and Laser as optical transmitters. [1] The study focuses on a comparative analysis of these two light sources in terms of transmission range, signal strength, direc-tionality, and overall performance. The system converts audio signals into modulated light, which is transmitted through LED and Laser sources and received by a solar cell, then amplified and reproduced via a speaker. Experimental results demonstrate that LEDs provide wider coverage with moderate signal strength, whereas lasers offer long-distance, focused transmission with improved directionality.
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