WIMAX Technology for Connecting India A' Paulraj

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WIMAXTechnology for Connecting IndiaA. Paulraj
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60 years
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Broadband Wireless Technologies
Local Area Network
Personal Area Network
Metropolitan Area Network
Wide Area Network
Fixed WIMAX 2G / 3G
Mobile WIMAX 3G Evol
WiMedia BT
Wi-Fi
Source WiMAX Forum
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WIMAX Technology Base
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WAN/MAN Technology Roadmap
2003 2007
2010
4G (IMT-Advanced)
1.0 4.0
12.0
2007
802.16e MIMO-OFDMA-OS
802.16d OFDM
12.0
Source Rysavvy Research
Wireless technologies evolving to OFDMA-MIMO-OS
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WIMAX
Fixed-Mobile Converged
LAN-WAN Converged

Mobile terminal
Consumer Devices
Fixed terminal
Portable terminal
Flex Spectrum
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WIMAX gt250 Operator Trials and Deployments
Source WiMAX Forum
Source Intel and WiMAX Forum
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WiMAX Spectrum
2.3 2.5 GHz are becoming the global spectrum of
choice for Mobile WiMAX
Source WiMAX Forum 2006
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WIMAX Technology Base
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MIMO


Rx
Diversity Increased Reliability
Exploits multiple independently fading links to
reduce fading
Rx
Rx
Tx
Tx
Spatial Multiplexing Increased rate
Exploits scattering to create multiple spatial
channels
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OFDMA-OS
Every sub-channel is scheduled based on max C/I
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16e WiMAX Projections
Standard 16e

gtgt 16m Ratified
Profiles Rel 1 Rel
2
Equipment Availability
Pre- Cert Rel 1 Rel 2
Major Trials
Major Deployments
Fixed Mobile
1H06
2H06
1H07
2H07
1H08
2H08
2H05
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A Cautionary Tale
W. B. O'Shaughnessy East India Company
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Wireless Technology Stack
Barrier to Entry