Wi-Fi to Li-Fi :
Till now we have been using Wi-Fi as a means of wireless data communication within a fixed location. But the Wi-Fi has yet to gain desired speed for the users. The Wi-Fi stands for ‘Wireless Fidelity’ though it was not ‘Fidelity’ when the Wi-Fi Alliance commissioned the system. However it was endorsed by the Alliance as the acronym of Wi-Fi was popularly made ‘Wireless Fidelity’.
Meanwhile a very high speed data communication system (nearly 224 gigabits per second) called ‘Li-Fi’ (Light Fidelity) has been developed in the recent years. Professor Harald Haas of University of Edinburgh after years of research had designed the system and coined the term ‘Li-Fi’ in 2011.
Both Wi-Fi and Li-Fi are wireless data communication system and uses electromagnetic waves for data transfer but Wi-Fi uses radio waves while Li-Fi runs on visible light. It has been claimed that the very high speed Li-Fi is capable of using common household LED light bulbs for running the data transfer system.
We are looking forward to gaining access to the newly devised VLC (Visible Light Communication) System-Li-Fi.
Professor M Zahidul Haque
Sher-e-Bangla Agricultural University, Dhaka.
Till now we have been using Wi-Fi as a means of wireless data communication within a fixed location. But the Wi-Fi has yet to gain desired speed for the users. The Wi-Fi stands for ‘Wireless Fidelity’ though it was not ‘Fidelity’ when the Wi-Fi Alliance commissioned the system. However it was endorsed by the Alliance as the acronym of Wi-Fi was popularly made ‘Wireless Fidelity’.
Meanwhile a very high speed data communication system (nearly 224 gigabits per second) called ‘Li-Fi’ (Light Fidelity) has been developed in the recent years. Professor Harald Haas of University of Edinburgh after years of research had designed the system and coined the term ‘Li-Fi’ in 2011.
Both Wi-Fi and Li-Fi are wireless data communication system and uses electromagnetic waves for data transfer but Wi-Fi uses radio waves while Li-Fi runs on visible light. It has been claimed that the very high speed Li-Fi is capable of using common household LED light bulbs for running the data transfer system.
We are looking forward to gaining access to the newly devised VLC (Visible Light Communication) System-Li-Fi.
Professor M Zahidul Haque
Sher-e-Bangla Agricultural University, Dhaka.
