DESIGN OF OPTICAL LIGHT COMMUNICATION SYSTEM: STUDY THE EFFECT OF LIGHT WAVELENGTH ON TRANSMISSION EFFICIENCY USING AUDIO SIGNALS
Journal Title: International Journal of Engineering Sciences & Research Technology - Year 30, Vol 5, Issue 6
Abstract
Since two decades wireless transmission technology is providing more compatibility to the end users. In coming future omnipresence of LEDs, visible light transmission by using free space is more advantage than radio frequency communication due to its less power consumption, high bandwidth capacity and security. The present study is aimed to design the optical light communication system to transmit the stereo audio signals and studied the effect of light wavelength, distance and delay analysis on the output audio signals. Using the red, blue and white LEDs, the distance between the LED and photodiodes was measured and blue LED is shown the long distance compared to red and white LEDs to transmit the noiseless audio signals. The delay analysis is shown 100 ms time difference between transmitted and received signals. This paper is also shown the hardware setup of the signed system.
Authors and Affiliations
Harish Kalla
Keywords
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