wimax
DESCRIPTION
Wi -max is an extension of Wi-Fi as Wi-max covers many KMs of distances in providing data connectivity.TRANSCRIPT
WiMAX
Connecting The Next 5 Billion People
Presented By :
IQxplorer
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!!!