Li-Fi (Light Fidelity) technology going to lead wireless communication system
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Li-Fi is the modulation of a free-space beam of light in order to transmit a signal. It can be thought of as analogous to Wi-Fi, just in a much higher frequency band (430 – 770 THz vs. 2.4 GHz).
Light fidelity is technology that is going to carry and moves the wireless communication system to long way in coming generation. It is bi-directional, fully networked wireless technology same as what we have used till now in wi-fi.
While the features offered by Li-Fi and visible light communications (VLC) are quite similar, unlike the latter, Li-Fi does not require line-of-sight between receiver and transmitter. The technology offers data transfer at high speed due to the presence of lesser interferences and availability of large bandwidth over the network.
LI-FI or Light Fidelity is a technology that makes use of light waves instead of radio technology to deliver data.
How does Li-Fi work?
This Visible Light Communication (VLC) works like an incredibly advanced form of Morse code. Just like switching a torch on and off according to a certain pattern can relay a secret message, flicking an LED on and off at extreme speeds can be used to write and transmit things in binary code.
What does LiFi offer?
In simple words, Li-Fi uses light rather than radio frequency signals, which makes this technology tolerant to disturbances. With several international airlines offering Wi-Fi facility on-board, VLC technology can better this offering without disrupting radio signals for piloting the aircraft. Li-Fi can also be leveraged underwater with the use of a light source – a place where Wi-Fi doesn’t work.