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International Journal of Engineering Research
Year : 2014, Volume : 3, Issue : 12
First page : ( 803) Last page : ( 806)
Print ISSN : 2347-5013. Online ISSN : 2319-6890.

Methodology to Achieve Enhanced Data Transmission Rate using Li-Fi in VLC Technology

Hossain Md. Shahadat*, Islam Md. Samiul**, Abadin AFM Zainul***, Hossain Md. Anwar****

Dept. of Information and Communication Engineering, Pabna University of Science & Technology, Pabna-6600, Bangladesh





Online published on 8 November, 2017.


Li-Fi (Light Fidelity or optical Wi-Fi) is the transmission of data using light waves by varying the light intensity faster than human eye can follow using Visible Light Communication (VLC) technology in free space. This is just like as “Data Through Illumination”. VLC uses rapid pulses of light to transmit information wirelessly. VLC using LEDs is emerging as a key technology for a ubiquitous communication system, because LED has the advantages of fast switching, long life expectancy, being less expensive and being visible light that is safe for the human body. LEDs are different from the other kinds of lamps because they are semiconductors. This characteristic gives them the capability to switch-on and off within few nanoseconds or billionth of a second. Converted in terms of data rates, this corresponds to 1 Gbits/s or more. In order to compare, at best Wi-Fi can reach 100 Mbits/s data rates and so at least 10 times or more lower. Here we shows some new conceptual methods by which we can transmit data in parallel using VLC technology. If this application is put into use, we can use every bulb like a Wi-Fi hot spot to transmit the data with ultra-high speed such as more than 10 Gbits/s.



Li-Fi, Visible Light Communication (VLC), Wi-Fi, LED, Radio & Light Spectrum.


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