LI-FI (LIGHT-FIDELITY)

CST 300L Fall 2013

What is Light Fidelity?

Data communication through Light

How does it work?

LED lights Orthogonal Frequency Division Multiplexing

Harald Haas explains how it works

from: http://youtu.be/NaoSp4NpkGg?t=4m40s

Key Person

Professor Harald Haas, University of Edinburgh

Advantages Disadvantages Means for Future

Advantages

Faster Data Speeds More access to Internet Use in areas where Data

Communication is limited

Disadvantages

Cannot travel from room to room Detector must face the source of light

Means for Future

Internet on Planes/Anywhere that uses Light

Saves Lives

Any Questions?

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