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LI-FI (LIGHT-FIDELITY)
CST 300L Fall 2013
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What is Light Fidelity?
Data communication through Light
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How does it work?
LED lights Orthogonal Frequency Division Multiplexing
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Harald Haas explains how it works
from: http://youtu.be/NaoSp4NpkGg?t=4m40s
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Key Person
Professor Harald Haas, University of Edinburgh
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Advantages Disadvantages Means for Future
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Advantages
Faster Data Speeds More access to Internet Use in areas where Data
Communication is limited
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Disadvantages
Cannot travel from room to room Detector must face the source of light
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Means for Future
Internet on Planes/Anywhere that uses Light
Saves Lives
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Any Questions?
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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). Harald haas: 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 Harald haas. 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, Anas Iqbal. (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 harald haas: 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