In this article we will discuss LiFi, will make brief discussion on LiFi, last article we discuss about IrDA.

LiFi uses light for data transmission while WiFi uses electro-magnetic waves at radio frequencies for data transmission. Due to less interference incurred by light compare to radio frequency waves, it is used in more dense environments.

LiFi is a wireless optical networking technology that uses light-emitting diodes (LEDs) for data transmission. LiFi is designed to use LED light bulbs similar to those currently in use in many energy-conscious homes and offices.

Li-Fi is wireless communication technology, which utilizes light to transmit data and position between devices. The term was first introduced by Harald Haas during a 2011 TEDGlobal talk in Edinburgh.

LiFi could transmit up to 100 Gbps and possibly higher, but this would require a change in lighting technology. Recent news report that LiFi is 100 times faster than WiFi. The assumption was that the average WiFi speeds are 10 Mbps, and that LiFi can be as fast as 1 Gbps.

For example, in corridors, waiting rooms, patient rooms and operating theatres, LiFi technology will allow a light communication network, which will remove electromagnetic interference issues from smartphones and the use of Wi-Fi in hospitals.


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