UTILIZATION OF LIFI (LIGHT FIDELITY) FOR VOICE AND DATA TRANSMISSION
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This paper introduces a method for wireless data communication between two systems using visible light. This technique aims to enhance data transmission speed compared to current wireless technologies. Utilizing visible light for communication addresses the issue of the limited radio wave spectrum, thereby increasing data transmission rates. The proposed system demonstrates data transmission and reception by rapidly switching LEDs on and off at intensities that are imperceptible to the human eye. Data can be encoded by adjusting the flicker rate of the LEDs. The paper demonstrates that audio and data, in the form of DTMF tones, can be effectively transmitted using the capabilities of visible light-based communication, along with the development of LED- and photo sensor-based optical wireless communication systems.
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