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Showing posts with label Wireless technology. Show all posts
Showing posts with label Wireless technology. Show all posts

LiFi technology: How LiFi technology works?

Tuesday, 23 February 2016




How LiFi technology works?


LiFi technology uses light from LED’s, instead of radio waves as in the case of Wifi, to send information in the form of binary data. This binary data is received by the receiver equipped with decoder that decrypts the data and triggers actions in your smart device. Simply LiFi works like the infrared technology in your television. Infrared rays works on a simple principle: a command is given (e.g. “change channel” when you press a button on your remote control) and that input is turned into binary code. The code is then transmitted via infrared light waves by your TV’s infrared ray’s sensor, which decodes the light and performs the intended action.


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Li –Fi ( Light Fidelity): wireless Internet Technology

Li –Fi ( Light Fidelity)

Li –Fi ( Light Fidelity)


LiFi is one type of wireless internet technology. LiFi technology has been developed that could provide a connection that’s 150 times faster than traditional wife technology. LiFi technology was developed by an Estonian start-up called Velmenni, who are currently trailing it in offices. At speed like this, albums, high-definition movies and even video games could be downloading in a seconds. This speed is down to the way I which it transmits data by using Visible Light Communication (VLC), data is sent between networks by LED Lights that flicker incredibly very fast.



Professor Harald Haas Pioneered LiFi Technology

German physicist, Professor Harald Haas, from the University of Edinburgh, pioneered the technology and coined the term LiFi in 2011, but this is the first time it’s been used in a ‘real world’ setting.
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