WiMAX Connecting The Next 5 Billion People Presented By Mr. P.K.Sadangi EI 200117265
Agenda • Introduction • 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
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
OFDM Figure 1: FDM with Nine Sub-carriers Using Filters Figure 2: OFDM with Nine Sub-carriers
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!!!