Abstract
Li-Fi is a very efficient, simple and cheaper network that can be used for wireless data transmission. It is considered to be better than the trending technology, i.e. Wi-Fi, in terms of cost and efficiency of usage. Li-Fi complies with the IEEE standard 802.15.7. The paper focuses on explaining the concept and meaning of Li-Fi technology. In this paper we have explained the different components necessary for constructing a Li-Fi system. Its features, different applications and future uses are also discussed in brief. The use and importance of LED light in the working of Li-Fi is also described. The VLC technology (for increasing the transmission speed) used in Li-Fi has been explained briefly.
Highlights
Wi-Fi network.In this era of data communication where transmission of data is one of the most important activity taking place using different mediums, Li-Fi is a new medium to do so
Li-Fi is a very efficient, simple and cheaper network that can be used for wireless data transmission
The current wireless network connects the user to the internet that helps in data transmission to take place between different sites using the Wi-Fi technology
Summary
Li-Fi was first introduced by a German physicist Harald Hass in the TED (Technology, Entertainment, and Design) Global talk on Visible Light Communication (VLC) in July 2011. He referred to it as “data through illumination” and used a table lamp with an LED bulb to transmit a video of a blooming flower that was projected onto a screen. It was Heral Hass, a German physicist who really thought about using Visible Light Communication for data transmission. According to Hass invention, which he called as “D-Light”, it can produce data rate faster than 10 megabits per second
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