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What is main difference between Li-fi and Wi-fi?

Definition of these technology

The word Li-Fi is an acronym for Light-Fidelity. In 2011, Professor Harald Haas discovered Li-Fi.

Works on Li-Fi (VLC - "Visible Light Communication") technology.



The term Wi-Fi is an acronym for Wireless Fidelity.

Wi-Fi is a popular wireless networking technology. Which uses wireless waves to provide high speed internet and network connections. Wi-Fi is a strategy for connecting electrical devices in a wireless way. This is the standard set by IEEE (Institute of Electrical & Electronics Engineers) 802.11 for Wireless Local Area Network (WLAN).Its area is a room, building or a few km. May be across the area. Li-Fi technology is like Wi-Fi without its communication system.

Comparison between Li-Fi technology and Wi-Fi


Waves act as a medium in the field of Wi-Fi. Light works as a medium in Li-Fi field. Li-Fi transmits data through light in the communication system. The frequency of Li-Fi is 10,000 times higher than that of Wi-Fi. Since Li-Fi runs on light technology, it is not possible to go through the walls of the signal room. Because light cannot penetrate dense objects.Wi-Fi signals spread evenly around but since Li-Fi is light, it does not spread evenly around. Here you can target the direction of light to your liking. The result will help to get the maximum signal. Many studies have shown that wireless signals contain radiation. But since Li-Fi runs on light, there is no risk of radiation.


So now let's talk about what is the exact advantages and disadvantages of Li-Fi technology:


1. When it comes to the benefits of Li-Fi technology, the first thing to say is its speed. Using this technology you can get speeds up to 100 Gbps. And it has been thoroughly tested. Moreover, the frequency of Wi-Fi is 10,000 times higher than that of Wi-Fi.

2. Since Li-Fi frequency is much higher than Wi--fi, it has the ability to control many users at once. This means that even if the number of users increases, there will be no connection error between them. If we talk about WiFi, you will see that if one user uses more bandwidth then the connection of the other user is completed slowly. But this technology will not be like that.

3. Wi-Fi or wireless signals can penetrate your walls. As a result, your neighbors get the signal when you use Wi-Fi. And since Li-Fi runs on light technology, the signal is not likely to go anywhere through the walls of your house. Because we know that light cannot penetrate dense objects. So you will use the internet with this technology at home and no one's father will have the ability to detect your signal.

4. Wireless signals are actually intercepted. This means that when you turn on the WiFi router, its signal spreads evenly around. Now if that signal doesn't come to you, it's useless. Because the more signals come to you, the more signals will spread around you. But since life is light, you can target it to your liking. This will allow you to get the most signals and increase your data density. You will be able to exchange high speed data at maximum signal.



So these were the special advantages of using this technology. There are many more benefits you can get when you use it. Let's discuss some misconceptions about this technology. With the advent of technology, many misconceptions have spread around. Take a look at some of the misconceptions you already have.



The future of  Li-Fi revolution :

Life is a completely new technology. So maybe it won’t be available or available for use right now. Maybe in the next 10 years, the use of Li-fi will start in full swing. The Li-fi device may have been pre-installed on the smartphone or tablet at that time. However, I can clearly say that in the coming days, Wi-Fi will be able to take the place of Wi-Fi.

The range of Li-fi will not be much. Because it will be on your head, so you have to use Li-Fi from a certain place. However, you can rest assured about high speed data exchange.

Hope I you got the answer.







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