1. WiMAX
Connecting The Next 5 Billion People
Presented By
Mr. P.K.Sadangi EI

2. Agenda Introduction Market Targeted by WiMAX Spectrum Allocation
LOS Vs NLOS Technology
Adaptive Modulation
OFDM
WiMAX Technology Challenge
Conclusion

3. Introduction Next generation of Wi-Fi
WiMAX is a fast-emerging wide-area wireless
broadband technology
WiMAX (Worldwide Interoperability for Microwave
Access) forum is a non-profit corporation formed to
help promote and certify the compatibility and
interoperability of BWA

4. IEEE Standards

5. Demand for Wireless Broadband
Telemedicine
Teleworking
E-Government
Agriculture
Distance learning
Public safety
National security
E-commerce
Entertainment
Applications for
persons with disabilities
Utility applications
Small business
assistance

6. Markets Targeted By WiMAX

7. Stay Connected

8. Spectrum

9. Spectrum Allocation

10. LOS Fresnel Zone

11. NLOS Propagation

12. NLOS CPE Location

13. Digital Modulation

14. BPSK & QPSK

15. Adaptive Modulation and Coding

16. OFDM Figure 1: FDM with Nine Sub-carriers Using Filters
Figure 2: OFDM with Nine Sub-carriers

17. OFDM
Figure 3: OFDM with 256 Sub-carriers

18. WiMAX Technology Challenge
WiMAX, more flexibility and security
Terminal authentication
User authentication
Data encryption
WiMAX, a very efficient radio solution

19. Conclusion
WiMAX could bring broadband access into the homes
and businesses of millions of people in rural and
developing markets.
Portable Internet a reality
End-users to enjoy an “Always Best Connected”
Thank You!!!