Will Li-Fi replace Wi-Fi?

In a recent pilot project, the Ministry of electronics and IT, successfully tested a technology called Li-Fi (Light Fidelity), which uses LED bulbs and light spectrum to transmit data at speeds as high as 10 GB per second over a 1-km radius.

The idea is to connect difficult terrains of the country that can’t be reached by fiber but have access to electricity.

The technology can be used to connect hospitals where regular internet signals interfere with certain equipment as well as to provide underwater connectivity.

“One of the biggest use-cases of Li-Fi could be in the upcoming smart cities in the country, whose underlying theme will be internet of things for modern city management and will be connected by LED bulbs,” said Neena Pahuja, director general of the Education and Research Network (ERNET), an autonomous scientific society under the ministry, which conducted the pilot.

Li-Fi can be immensely beneficial in deep rural hinterland where broadband connectivity is still not possible, but electricity is present.

Using the existing electric distribution and LED bulbs, Li-Fi can spread internet anywhere and everywhere.


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