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what is Li-Fi?how its works?

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LI-FI

the Li-Fi stands for light fidelity. the lifi is used as wifi to transfer the data wireless the lifi uses light emitting diodes (LED) to transfer the data. the lifi technology was introduced by professor Harald Hass in 2011.

how the Li-Fi works

the lifi technology works with leds to transfer the data and the speed of transfer is more than compared to wifi. 
the lifi technology works like the tv remote and tvs receiver. 
when we click on remote for an instruction it transfer that instruction to tv. by the ir included in tv remote.
here more than one led is taken to transfer the data.
the whole concept works on VLC(visual light communication)

benfits of Li-Fi

  • It supports roaming
  • multiple access
  • high speed data as compared to wifi
  • 100GBPS speed
  • no radtion

security:

as compared to wifi the lifi provieds more security 
the wifi can be accessed by other person who is in another room 

but the lifi cant be accessed because the light cant go through the wall.

MYTHS OF LIFI

  • the speed is depends upon the web server
  • as the lights of street llight can be used as the hotspots
  • the lifi is used in uderground
  • lifi is used in underwater and in areoplane
  • Image result for lifi

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