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Li-Fi (light-fidelity)

Li-Fi (light-fidelity)

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Li-Fi (light-fidelity)

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  1. Li-Fi (light-fidelity) CST 300L Fall 2013

  2. What is Light Fidelity? • Data communication through Light

  3. How does it work? • LED lights • Orthogonal Frequency Division Multiplexing

  4. Harald Haas explains how it works from: http://youtu.be/NaoSp4NpkGg?t=4m40s

  5. Key Person • Professor Harald Haas, University of Edinburgh

  6. Advantages • Disadvantages • Means for Future

  7. Advantages • Faster Data Speeds • More access to Internet • Use in areas where Data Communication is limited

  8. Disadvantages • Cannot travel from room to room • Detector must face the source of light

  9. Means for Future • Internet on Planes/Anywhere that uses Light • Saves Lives

  10. Any Questions?

  11. References • Arrow Webzine. (2013). Li-fi (light fidelity)- The future technology in wireless communication. Retrieved from http://www.aagneyam.com/blog/?p=80207 • [Cyber Wars]. Retrieved November 24, 2013, from: http://cdn.ndtv.com/tech/images/cyber_wars_635.jpg • [Disadvantages]. Retrieved November 24, 2013, from: http://bauscharddebate.com/wp-content/uploads/2013/10/disadvantages_of-online-shoping.jpg • [Harald Haas]. Retrieved November 23, 2013, from: http://www.independent.co.uk/incoming/article8909316.ece/ALTERNATES/w620/haas.jpg • [Harald Haas and Light Fidelity]. Retrieved November 23, 2013, from: http://static.guim.co.uk/sys-images/Observer/Pix/pictures/2010/11/4/1288897164819/Harald-Haas-006.jpg • Haas, Harald. (2011). Haraldhaas: Wireless data from every light bulb. Retrieved from http://www.ted.com/talks/harald_haas_wireless_data_from_every_light_bulb.html • Haas, Harald. (2011). Professor Haraldhaas. Retrieved from http://www.see.ed.ac.uk/wordpress/hxh/about/ • [How does Li-fi work]. Retrieved November 23, 2013, from: http://newtecharticles.com/site-content/uploads/2013/04/working-of-li-fi-technology.png • Khan, AnasIqbal. (2013). Best five benefits of li-fi technology. Retrieved from http://www.technewspaper.net/best-five-benefits-of-li-fi-technology/ • [Light Fidelity Uses]. Retrieved November 23, 2013, from: http://www.extremetech.com/wp-content/uploads/2013/02/lifi_environment.jpg • Navyatha,N.,Prathyusha, T.M., Roja, V., Mounika, M. (2013). Li-Fi(Light fidelity)- LED based alternative. Retrieved from http://www.ijser.org/researchpaper%5CLi-Fi-Light-fidelity-LED-Based-Alternative.pdf. • TED. (2011), Speakers haraldhaas: Communications technology innovator. Retrieved from http://www.ted.com/speakers/harald_haas.html • Thomson, Iain. (2013). Forget wi-fi, boffins get 150mbps li-fi connection from a lightbulb. Retrieved from http://www.theregister.co.uk/2013/10/18/forget_wifi_chinese_boffins_get_150mbps_lifi_connection_from_a_lightbulb/ • Vincent, James. (2013). Li-fi revolution : Internet connections using light bulbs are 250 times faster than broadband. Retrieved from http://www.independent.co.uk/news/science/lifi-revolution-internet-connections-using-light-bulbs-are-250-times-faster-than-broadband-8909320.html