Li-Fi Need of 21st Century

G. Kant¹ , V. Gogate² , V. Kotak³

¹ Dept. of Electronics, Shah and Anchor Kutchhi Engineering College, Mumbai, India.
² Dept. of Electronics, Shah and Anchor Kutchhi Engineering College, Mumbai, India.
³ Dept. of Electronics, Shah and Anchor Kutchhi Engineering College, Mumbai, India.

Correspondence should be addressed to: gyatnalkar92@gmail.com.

Section:Review Paper, Product Type: Journal
Vol.5 , Issue.2 , pp.49-54, May-2017

Online published on May 31, 2017

Copyright © G. Kant, V. Gogate, V. Kotak . This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
 

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Abstract :
In todays digital world wireless internet and cellular mobile services are essential part of our life. It fully make use of wireless communication. According to standards of IEEE 802- 11n Wireless-Fidelity (Wi-Fi) gives the speed of 600 Mbps(theoretical),[sorce:www.Intel.com] but this is not enough to fulfill the need of desired users over the network. To overcome this major disadvantage of Wi-Fi, a new technology is developed by Germen physicist Harald Haas from the University of Edinburgh, UK known as Li-Fi which provides transmission of data via LED bulb whose intensity varies in a much faster speed that it could not be able to be detected by the naked eye. The efficiency, durability, and of light-emitting diodes (LEDs) have led to their use in a variety of applications. In a high speed wireless communication, Li-Fi can bring new dimensions in terms of data communication speed by utilizing visible light Communication technology. This report contains all about Li-Fi, importance of visible light spectrum, comparison of Li-Fi with other technologies, advantages and applications.

Key-Words / Index Term :
Li- Fi ( Light Fidelity), Wi Fi ( Wireless Fidelity), VLC ( Visible light communication), RF ( Radio frequency), LED ( Light emitting diode),ADC(analog to digital convertor)

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