Li-Fi Technology: What it is, How it Works and its importance

What is LiFi?

LiFi is a Visible Light Communication (VLC) technology that offers wireless data transmission over LED light bulbs. It was developed in 2011 by Harald Haas, a Professor at the University of Edinburgh. In this article, we will explore how Li-Fi works, its benefits and applications in everyday lives.

How does it work?

The main difference between Wi-fi and Li-fi is that while Wi-fi transmits through radio waves, Li-fi uses visible light communication to transmit data. Data transmission happens by modulating the intensity of the transmitter’s LED bulb to produce binary digits which are then decoded at the receiver’s end to extract information. This modulation can be done rapidly giving rise to speeds that are much higher than wi-fi.

The general public will be able to use LiFi beginning in 2022.The store offers coupons and incentives based on the location of the customer in the store by using LiFi. LiFi capability is also being discussed by several large mobile companies such as Apple.There are many industries where LiFi works with partners, including defense, healthcare, lighting, IT infrastructure, telcos, and device integrators.

What is the importance of LiFi?

We depend on wireless data in our daily lives. Unfortunately, Wi-Fi will not be available forever. In order to support this digital revolution, radio frequency spectrum is running out. Wireless connectivity is being used more and more with each passing year, and this is leading to a phenomenon called the spectrum crunch.

An increasing number of consumer electronic devices could be affected by a spectrum crunch as a result of a lack of enough wireless frequency spectrum. Telecommunications and wireless networks are at risk from spectrum crunch, a risk with profound implications for the immediate future.

As data demands increase, Wi-Fi will be unable to keep up and global networks will need to be future-proofed to meet today’s needs. Our capacity to utilize spectrum with LiFi is more than 1000 times that of radio frequencies. LiFi achieves higher data rates thanks to the availability of more access points, and its radio frequencies produce small cells that provide faster connections.

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