Li-Fi Future Application of Light for Communication

摘要

Today, due to the revolution in Information Technology (IT) almost everybody is aware of the term "Wi-Fi", but a very few including intellectuals are aware about the term "Li-Fi". So, let us see how Li-Fi is complimentary to Wi-Fi, and its potential in today's communication system. First let us see, what is Wi-Fi? Invented way back in 1990s, Wi-Fi (Wireless Fidelity) is used to transmit more than half of the world's Internet connections today. Since the technology uses radio waves to transmit data, it is available everywhere, from hotels to car parks to bus terminals. Even the remotest places, which have trouble connecting to Internet, can easily be connected by Wi-Fi.