The Pros And Cons Of Li-Fi
Day to day development in communication technology, greater data are generated as compared to previous era that requires more and more bandwidth. Li-Fi (Light fidelity) is a wireless technology which is based on light as its name indicates not on radio waves. Li-fi is the wireless communication system in which transmission of data through illumination. Li-Fi technology used LED (light emitting diode) for transmit the data digitally and wirelessly. Whether you’re using wireless internet in a coffee shop, you have probably gotten frustrated at the slow speeds you face when more than one device is tapped into the network. As more and more people and their many devices access wireless internet, clogged airwaves are going to make it. An LED light …show more content…
Light propagating through the medium carry the information from the transmitter to the receiver end. LIFI system provides many advantages such as easily deployable, light weight, jam free secure link with enormous high bandwidth and equipment’s compactness. These key advantages attract the users of civil and defense sector. The data rate demands have also risen from hundreds of megabits per second to tens of gigabits per second.
The LiFi lamp utilizes a microwave technology which directly delivers high-frequency power to a light-emitting plasma without the need for electrodes. A dielectric waveguide generates electromagnetic field modes within a resonator which efficiently couple the power to the high-temperature high-density plasma.
What is Visible Light Communication?
There is now a lot of talk about Visible Light Communication (VLC) and indeed this blog site is dedicated to the topic, but what is VLC?
On this site when we talk about VLC we tend to be referring to an illumination source (e.g. a light bulb) which in addition to illumination can send information using the same light signal. So in our terms:
VLC = Illumination +
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