LiFi: A far more better and faster than usual WiFi.


This internet technology is 100 times faster than Wi-Fi

A new type of wireless internet technology has been developed that could provide a connection that's 100 times faster than traditional WiFi.
The tech is called LiFi, and was tested by an Estonian start-up called Velmenni, who are currently trialling it in offices.
Yes, it's time to shift from Wi-Fi to Li-Fi — an alternative technology that is 100 times faster than the average speeds of Wi-Fi.
Scientists have just field-tested the new wireless technology called Li-Fi for the first time and achieved marvelous wireless speeds that are 100 times faster than current WiFi speeds.

LiFi has proved capable of sending data at speeds of up to 1GBps, around 100 times faster than most current Wi-Fi connections.
At speeds like this, albums, high-definition films and even video games could be downloaded in a matter of seconds.
The speed is down to the way in which it transmits data -- by using Visible Light Communication (VLC), data is sent between networks by LED lights that flicker incredibly fast.
The technology does have one major limitation -- because it relies on visible light to work, it can't pass through walls.
However, this makes the network much more secure. The dramatically increased speeds make it a big improvement on current technology for some applications as well.
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.
Deepak Solanki, CEO of Velmenni, told the Interational Business Times that the technology could be rolled out to consumers within the next three to four years.
"We are doing a few pilot projects within different industries where we can utilise the VLC (visible light communication) technology," Deepak Solanki, CEO of Estonian tech company, Velmenni, told IBTimes UK.
"Currently we have designed a smart lighting solution for an industrial environment where the data communication is done through light. We are also doing a pilot project with a private client where we are setting up a Li-Fi network to access the Internet in their office space.”
Li-Fi was invented by Harald Haas from the University of Edinburgh, Scotland back in 2011, when he demonstrated for the first time that by flickering the light from a single LED, he could transmit far more data than a cellular tower. Think back to that lab-based record of 224 gigabits per second - that's 18 movies of 1.5 GB each being downloaded every single second.
The technology uses Visible Light Communication (VLC), a medium that uses visible light between 400 and 800 terahertz (THz). It works basically 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.

And while you might be worried about how all that flickering in an office environment would drive you crazy, don’t worry - we’re talking LEDs that can be switched on and off at speeds imperceptible to the naked eye.
However, due to LiFi's limitations, it would be likely to run in parallel with existing technology to increase a network's speed and efficiency.
However, if the infastructure catches up, LiFi could become much more widely used, especially if it's transmitted through our lightbulbs, as Professor Haas suggested in a 2011 TED Talk.
As Haas said, "All we need to do is fit a small microchip to every potential illumination device and this would then combine two basic functionalities: illumination and wireless data transmission."
"In the future we will not only have 14 billion light bulbs, we may have 14 billion LiFis deployed worldwide for a cleaner, greener and even brighter future."

What I was thinking?

Such type of advancement in the wireless technology is really awesome. Such technologies are about to come in the Tech Industry, when the hell will the rates of mobile data plans will decrease? Secondly, if they are not thinking about decreasing the rates of data plans, then they should at least increase the data transmission speed.And yes, let's just not talk about Uninor/Telenor.
This also reminds me of a friend of mine using Aircel and Reliance 3g, worst than a 2g connection.

(Courtesy - A highly frustrated Tata Docomo 3g user, who is blogging right now.)

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