Lifi the new digital transfer of data

1. Mentor: Mrs.Joby
Joy

2. 2016

4. LIGHT

5. Lifi technology

6. Story Behind LiFi

7. Prof. Dr. HARALD HAAS
(University of Edinburgh, Scotland)

8. • Professor Dr.Harald Haas coined the term Li-Fi.
• He started the company Pure Li-Fi to commercialize the
Li-Fi products
• Li-1st, the first commercially available Li-Fi system (2014
Mobile World Congress in Barcelona.)

10. Test Results

11. • August 2013 - 1.6 Gbit/s
• April 2014 - 1.25 gigabytes per second (BeamCaster)
• 2014 - 10 Gbit/s (Sisoft)
• 2015 February – 1 GB/s (Velmenni)

12. NEED

13. • 44 Zettabytes of data (as many bits as stars in the
universe)
• Electric turbine 10 TB of data(ie; 10 hard drive full of
data)
• 80 billon IoT devices(10 times the world population)
By 2020….

16. How does it work ?

19. APPLICATIONS

20. 1-MEDICAL APPLICATION
2- AVIATION

21. 3-SMART LIGHTING
4-UNDERWATER
COMMUNICATION

22. 5- AUGMENTED REALITY

23. ADVANTAGES

24. • Availability
• Efficiency
• High Security
• Ease of access
• Fast data transfer
• Low cost

25. DISADVANTAGES

26. Nothing in this world is perfect and so does LIFI.
• These signals cannot penetrate walls. So the person needs
wired bulb in that room also.
• Only works if there is direct line of sight between source
and receiver.
• More research is required.

27. CONCLUSION

28. 2020

30. THANK YOU