International Journal of Engineering Research in Electronics and Communication Engineering (IJERECE)

Monthly Journal for Electronics and Communication Engineering

Volume3,March 2016,

Topic : A Novel Architecture for the Future Wireless Technology – Li-Fi

Authors:Ishwarya Rajeshwari || Kirthika.L, Prathiksha.K

Abstract:We are in the era of internet. We have brought the evolution of using air as a medium for data transfer which is called the Wi-Fi. Though it provides the better speed but with the large number of users the radio spectrum is congested. To address this problem we can go for alternate way of using light as a medium. Professor Harald Hass who teaches at the University of Edinburgh in UK brought the visible light communication into picture through the concept of “data through illumination” and it was called “Li-Fi Light Fidelity”. Li-Fi is a new paradigm for short range wireless technology to provide unprecedented connectivity within a localized data-centric environment. In this the data transmission is achieved by varying the intensity of LED very faster than human eye can follow which is brought through Visible light communication (VLC). The development by the University of Edinburgh’s Li-Fi R&D Centre uses a solar panel to receive high speed Li-Fi transmitted data while also generating electrical power for the operation of the function. Using this technique, two functions namely energy harvesting as well as decoding of light signals into useful information can be performed..

Keywords: Li-Fi(Light Fidelity) , VLC(Visible Light Communication), LED(Light Emitting Diode), Solar Panel.

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DOI: 01.1617/vol3iss3pid128


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Dr.Zhongfu Tan
National Professor,
North China Electric Power University,
CHINA


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ISSN(Online): 2394-6849

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Thomson Reuters ID : q-6288-2016.
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