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Wimax
- 1. Seminar Presentation on WiMAX Connecting The Next 5 Billion People PREPARED BY: Yogesh Maurya III Year(IT) Roll No-0806313057
- 2. Agenda Introduction Architecture of WiMAX Spectrum Allocation LOS Vs NLOS Technology Adaptive Modulation Connecting to WiMax WiMAX Security Challenge Wimax Vs WiFi Conclusion
- 3. Introduction Next generation of Wi-Fi Wireless wide area n/w technology for broadband internet access. 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.
- 6. Contd…… Mobile Stations (MS) used by the end user to access the network. ASN comprises one or more base stations and one or more ASN gateways CSN which provides IP connectivity and all the IP core network functions. The BS is responsible for providing the air interface to the MS.
- 7. 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
- 9. Spectrum
- 11. WiMAX operate in two frequency bands. Operates in two separate frequency bands 2-11 GHz and 10-66 GHz Licensed (2-11 Ghz) spectrum. Unlicensed (5-8 Ghz) spectrum.
- 12. LOS Fresnel Zone
- 13. NLOS Propagation
- 14. NLOS
- 15. Promises to deliver high data rates cheaply to remote regions At the higher frequencies, line of sight (LOS) is required – point-to-point links only In the lower region, the signals propagate without the requirement for line of sight (NLOS) to customers
- 16. Adaptive Modulation and Coding
- 18. BPSK & QPSK
- 19. FDM with Nine Sub-carriers OFDM with Nine Sub-carriers OFDM
- 20. OFDM OFDM with 256 Sub-carriers
- 21. Connecting to WiMax Gateways Dongles Mobile Phones
- 22. WiMAX Security Challenge Client impersonation Server impersonation Message tempering Session tampering DoS attacks
- 23. WiMAX Vs WiFi WiMAX is more secure WiMAX is faster WiMAX has longer range WiFi uses 802.11 Standard
- 24. Markets Targeted By WiMAX
- 25. 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!!!