This document discusses several topics related to wireless broadband technologies including WiMAX deployment methods, virtual communities over geographical areas in India, and specific absorption rate (SAR) in communication systems. It provides examples of WiMAX network implementations for businesses in India and references several papers on electromagnetic absorption in human tissue from mobile phones.

2. BY AJAL. A. J [ AP - ECE ] MET’s School of Engineering, Kerala WiMAX Next Generation Wireless Mobile Deployment Methods

3. Multi-Agency Seamless Mobility

4. This is Mobile Broadband

5. Everywhere coverage This is Mobile Broadband

6. Full mobility This is Mobile Broadband

7. High data speeds This is Mobile Broadband

8. The Future Home… DSL/Cable or MSO Telephone Wireless camera Wireless media gateway NAS for MP3 & Video Content Integrated networks, content, and entertainment systems Managed Security Managed Voice Managed Wireless

9. Wireless Surface Scenario FAA Airlines Port Authority Weather Radar ILS Aircraft Emergency Vehicles Technicians Fuel Truck Baggage Handlers RTR Radar Snow Removal Equipment ALS Wake Vortex Sensor RWSL ASDE-X Sensor

10. ORKUTIANS HOMOSAPPIENS -  HOMOSCRAPIANS HUMAN SOCIAL NETWORK has Become Business Oxygen

11. Scenario of virtual community over geographical areas

12. Population: 1.15 Billion people India’s Tele-density - Overall: 31% Rural: 8.8% Urban: 65% Broadband: 0.4% Internet: 4% 500 Million phone connections by year 2010 High GDP Growth-8% Increased Income of middle class(300M) PC Penetration: 2% The Opportunity in India

13. Success Story @ Work – Madras Pharma T.Nagar Sholinganallur Point to Point and Point to Multi Point Backhaul spanning to 12kms from T.Nagar (H.O) to Sholinganallur (Factory)

14. Success Story @ Work – Residency Group Hotels Enable Point – to – Point Connectivity ( 1KM ) Centralized accounting and reservation system - Hotspot Zones for wireless internet access

15. Main Building Annexe Usman Road Point – to – Point Connectivity ( 600 meters ) Enabling centralized billing and accounting systems Success Story @ Work – GRT Thangamaligai

16. Laymen point of view

26. SPECIFIC ABSORPTION RATE ( SAR ) IN COMMUNICATION SYSTEMS

27. Related Work Cell Phone Radiation is Absorbed More Deeply Into the Brains of Children Estimation of the absorption of electromagnetic radiation from a cell phone based on age (Frequency GSM 900 Mhz) (On the right, color scale showing the Specific Absorption Rate in W/kg) Gandhi, O.P.G. Lazzi, and C.M. Furse, Electromagnetic Absorption in the Human Head and Neck for Cell Telephones at 835 and 1900 MHz. IEEE Transactions on Microwave Theory and Techniques, 1996. 44 (10): p. 1884-1897

30. [ 1] IEEE 802.16-2004 October 2004, Air Interface for Fixed and Mobile Broadband Wireless Access Systems - Amendment for Physical and Medium Access ControlLayers for Combined Fixed and Mobile Operation in Licensed Bands, August 2004. [2] IEEE 802.16e-2005 March 2006, Physical and Medium Access Control Layers for Combined Fixed and Mobile Operation in Licensed Bands. [3] Allen H. Kupetz and K. Terrell Brown, “4G - A Look Into the Future of Wireless Communications”, Rollins Business Journal, Jan-Mar 2004 [4] B. G. Evans and K. Baughan, "Visions of 4G," Electronics and Communication Engineering Journal, Dec. 2002. [5] Jun-seok Hwang, Roy R. Consulta, "4G Mobile Networks – Technology Beyond 2.5G And 3G", PTC’07 Proceedings-2007.

31. Q UERRIES ?

32. AJAL.A.J MOB: 0-8907305642