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Ecofriendly data transmission in visible Light communication
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Ecofriendly data transmission in visible Light communication

Category : LIFI


Sub Category : Go-Green


Project Code : ITLI01


Project Abstract

In recent years, there is a rapid development in the solid state light-emitting diode (LED) materials which gave way for the next generation data communication known as visible light communication. VLC has a promising future and it acts as a complement to the present RF communication by achieving larger bandwidth and high data rate.

 At present, the day to day activities use lot of LED based lights for illumination, which can also be used for communication because of the advantages like fast switching, high power efficiency and safe to human vision. Hence, this project presents about ecofriendly data communication through visible light which consists of the white LEDs that transmit audio signals to the receiver. The receiver circuit consists of solar panel connected with the amplifier and speakers to recover back the amplified version of original input signal.

 

EXISTING SYSTEM

PROPOSED SYSTEM

•           In existing system, uses RF based communication, so the inference and noise of the signal is high.

•           Power consumption of existing system is high compared to proposed system.

•           Installation cost and environmental hazards are high.

The proposed system can be used in situations where a household has many appliances with audio output such as TV, PC, Hi-fi radio and phone systems.

•           It consists of transmitter, free space channel and the receiver. In the receiver side, solar panel is used instead of using the photodiode receiver as they have the advantage of having a large surface area, which is used to target light easier.

•           As the efficiency of multicrystalline solar panel used in this work is 10%, the output voltage achieved from the solar panel is less. Still an eco friendly audio VLC is implemented without photodiode receiver and other power supplies.

•           Thus, installation cost and environmental hazards are less in this proposed system.

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