International Journal of Recent Trends in Engineering & Research

online ISSN

An emerging technology of data transfer through light waves (Li-Fi)

Publication Date : 22/02/2016


Author(s) :

Sushilkumar E. Khaparde , Bhaskar Y. Kathane.


Volume/Issue :
Volume 2
,
Issue 2
(02 - 2016)



Abstract :

Li-Fi (Light Fidelity) is a bidirectional, high speed and fully networked wireless communication technology similar to Wi-Fi. The term was coined by Harald Haas and is a form of visible light communication and a subset of optical wireless communications (OWC). It is so far measured to be about 100 times faster than some Wi-Fi implementations, reaching speeds of 224 gigabits per second. It is wireless and uses visible light communication or infra-red and near ultraviolet (instead of radio frequency waves) spectrum, parts of optical wireless communications technology, which carries much, more information. Li-Fi provides better bandwidth, efficiency, availability and security than Wi-Fi and has already achieved blisteringly high speed in the lab. By leveraging the low-cost nature of LEDs and lighting units there are many opportunities to exploit this medium, from public internet access through street lamps to auto-piloted cars that communicate through their headlights.


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