In just two years, the lights in your home may provide you with internet access at speeds 100 times faster than Wi-Fi.
At the Mobile World Congress in Barcelona this week, French start-up Oledcomm demonstrated the capabilities of Li-Fi, using just an office lamp to start playing a smartphone video.
Li-Fi uses visible light communication like the ‘digital equivalent of Morse code,’ so it cannot pass through walls. This gives it the potential to create a faster and more secure network, with less interference.
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A FASTER, MORE SECURE WI-FI
Lab tests have shown that Li-Fi can hit speeds 100 times faster than current Wi-Fi systems.
Speed is not the only advantage of Li-Fi.
The system uses visible light communication between 400 and 800 terahertz to transmit messages in binary code.
Visible light cannot pass through walls, making Li-Fi a much more secure system, and less susceptible to interference.
While the system seems promising, it won’t likely replace Wi-Fi entirely, at least not anytime soon.
Instead, researchers are now looking to retrofit devices with Li-Fi to use the two wireless systems together to optimize speed and security.
Li-Fi is short for ‘light fidelity,’ and performs with lightning speed.
The system uses visible light communication (VLC), between 400 and 800 terahertz (THz) to transmit messages in binary code, but operates at speeds that are too high to be detected by the naked eye.
It works on the frequencies generated by an LED bulb.
Li-Fi has hit speeds of more than 200 Gbps in the lab, fast enough to ‘download the equivalent of 23 DVDs in one second,’ Suat Topsu, founder and head of Oledcomm, told AFP.
‘Li-Fi allows speeds that are 100 times faster than W-Fi, which uses radio waves to transmit data,’ Topsu said.
This technology emerged from the laboratories in 2015 to be tested in everyday settings in France, including museums and shopping malls.
It has also been tested in Belgium, Estonia and India.
Analysts have predicted that internet-connected devices will soar to 50 million in just four years, and the short supply of radio waves used for Wi-Fi will become crowded.
‘We are going to connect our coffee machine, our washing machine, our tooth brush. But you can’t have more than ten objects connected in Bluetooth or Wi-Fi without interference,’ Topsu told AFP.
Now, Li-Fi may not be a far off reality.