Technical Paper Presentation

1. Li-Fi Technology
By -
Deepak Sujith
B.E Computer

2. Contents
 Introduction
 Drawbacks Of Before Technologies
 Issues regarding Radio spectrum
 Electromagnetic Spectrum
 Difference between technologies
 Applications
 Advantages
 Disadvantages
 Conclusion

3. Introduction
 What is Li-Fi ?
 History of Li-Fi
 Transmission of data
 Need of Li-Fi technology

4. Drawbacks Of Before Technologies

5. AvailabilityCapacity
SecurityEfficiency
Issues regarding Radio spectrum

7. Transmission of Infrared rays so far

8. Transmission of Large data using
Visible light spectrum

9. Different Between The Technologies

10. Working process
LIFI offers an integrated light source that is straightforward
to integrate into a projector. In this example LIFI consists
of 5 primary sub-assemblies:
 Printed circuit board (PCB)
 RF power amplifier (PA)
 Bulb
 Optics
 Enclosure

11. Working of Li-Fi

12. Applications of Li-Fi

13. Advantages
 High Security
 Easy To Use
 Fast Data Transfer
 Reliable
 Harmless ness
 Low Cost

14. Disadvantage
 Limited area coverage

15. Concussion
 Future possibilities
 Eco Friendly
 Li-fi hotspots

16. Reference
http://www.ted.com/talks/harald_haas_wir
eless_data_from_every_light_bulb.html

17. Any Queries ?

18. Thanking U