Li Fi
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Transcript of Li Fi
![Page 1: Li Fi](https://reader036.fdocuments.us/reader036/viewer/2022071723/55c30ecabb61ebde738b473c/html5/thumbnails/1.jpg)
Kevin Fisher!FA 027!
Harald Haas: Wireless data from every light bulb!
![Page 2: Li Fi](https://reader036.fdocuments.us/reader036/viewer/2022071723/55c30ecabb61ebde738b473c/html5/thumbnails/2.jpg)
Inefficient!
Unsecure!
Oversaturated!
![Page 3: Li Fi](https://reader036.fdocuments.us/reader036/viewer/2022071723/55c30ecabb61ebde738b473c/html5/thumbnails/3.jpg)
Over 600 terabytes monthly!
1.4 million!cell towers!
5 billion data phones!
![Page 4: Li Fi](https://reader036.fdocuments.us/reader036/viewer/2022071723/55c30ecabb61ebde738b473c/html5/thumbnails/4.jpg)
Replace radio waves with light waves, using light emitting diodes (LEDs)!
Wireless data through everyday light bulbs!Li-Fi!
![Page 5: Li Fi](https://reader036.fdocuments.us/reader036/viewer/2022071723/55c30ecabb61ebde738b473c/html5/thumbnails/5.jpg)
Waves are harmless http://www.radiationtalk.com/info/wifi_radiation.php
Security measures can be taken
HOWEVER
iPhone 4s has doubled average user data usage
http://www.msnbc.msn.com/id/45893257/ns/technology_and_science-‐wireless/t/new-‐iphone-‐doubles-‐data-‐consumption-‐study/
![Page 6: Li Fi](https://reader036.fdocuments.us/reader036/viewer/2022071723/55c30ecabb61ebde738b473c/html5/thumbnails/6.jpg)
Café hot-‐spots
Car lights
Community Park
Home lamps
![Page 7: Li Fi](https://reader036.fdocuments.us/reader036/viewer/2022071723/55c30ecabb61ebde738b473c/html5/thumbnails/7.jpg)
Cost to implement in current fixtures
Cost to create receivers in new devices
Multiple signal interference
Blocked/shaded signal