WiMAX

Connecting The Next 5 Billion People

Presented By

AgendaIntroduction

Market Targeted by WiMAX

Spectrum Allocation

LOS Vs NLOS Technology

Adaptive Modulation

OFDM

WiMAX Technology Challenge

Conclusion

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

IEEE Standards

Demand for Wireless Broadband

TelemedicineTeleworkingE-GovernmentAgricultureDistance learningPublic safetyNational securityE-commerce

EntertainmentApplications for persons with disabilitiesUtility applicationsSmall business assistance

Markets Targeted By WiMAX

Stay Connected

Spectrum

Spectrum Allocation

LOS Fresnel Zone

NLOS Propagation

NLOS CPE Location

Digital Modulation

BPSK & QPSK

Adaptive Modulation and Coding

Figure 1: FDM with Nine Sub-carriers Using Filters

Figure 2: OFDM with Nine Sub-carriers

OFDM

OFDM

Figure 3: OFDM with 256 Sub-carriers

WiMAX Technology Challenge

WiMAX, more flexibility and security

Terminal authentication

User authentication

Data encryption

WiMAX, a very efficient radio solution

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!!!