Li-Fi Technology

3084 WordsAug 10, 201313 Pages
International Journal of advances in computing & communications, vol 1, 2013 www.ijacc.org Li-Fi (Light Fidelity)-The future technology In Wireless communication Neha Singh Uttar Pradesh Technical University Raj Kumar Goel Institute of Technology For Women Meerut Road Ghaziabad Divya Chauhan Uttar Pradesh Technical University Raj Kumar Goel Institute of Technology For Women Meerut Road Ghaziabad Deepika Dubey Uttar Pradesh Technical University Raj Kumar Goel Institute of Technology For Women Meerut Road Ghaziabad 933310048@rkgitw.edu.in 933310017@rkgitw.edu.in 933310016@rkgitw.edu.in ABSTRACT Whether you’re using wireless internet in a coffee shop, stealing it from the guy next door, or competing for bandwidth at a…show more content…
The visibl light spectru is unused, it's not le um regulate and can be used for comm ed, munication at ver high ry speeds.. . 5. W WHAT MAK A FIBR OPTIC KES RE CABL LE: Typically, fiber optic cables are mad up of variou parts de us dependi ing on what ca able you want. To better unde erstand, imagine looking at a bu e ulls-eye, the oute most circle wo er ould be the cabl jacket or what you see on the outside of a fibe optic le t er cable. T core is wher the data is sen as light from o end The re nt one of the cable to another. One key import fact is that th light tant he is reflec cted off of mirro inside the cab which helps get the ors ble light w waves to its des stination. Light is turned on a and off rapidly translating to 1's and 0's that are receive and t ed interpre as data. eted 3. GENESI OF LI-FI 3 IS I: Harald Haas, a professor at the University of Edinburgh who H p began his resea b arch in the fie in 2004, g eld gave a debut demonstration o what he call d of led a Li-Fi pro ototype at the TEDGlobal conf T ference in Edinb burgh on 12th J July 2011. He used a table lam with an LED bulb to transm a video of u mp D mit blooming flowers that was th b hen projected o onto a screen behind him. Duri the event he periodically blo b ing ocked the light from lamp to pr fr rove that the lam was indeed the source of mp in ncoming data. At TEDGlobal, H A Haas demonstrat a data rate ted of transmission of around 10Mb -- comparab to a
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