© Siemens January 2007 1

WiMAX – Experience Best Wireless Broadband

Contents

1. Wireless Technologies – Roadmap

2. Wireless Access Technologies Roadmap

3. Wireless Future : A Seamless Mobile Lifestyle

4. Market Trends

5. Access Technology Focus : WIMAX

a) Technology

b) Applications

c) Usage Scenarios

6. Options for India

© Siemens January 2007 2

Wireless Technologies - Roadmap

Tremendous transformation in the devices Manifold increase in bandwidth delivery Service capabilities & Mobility Wireless has already manifested itself as the choice of technology for

backhaul, last mile, LAN & Personal applications

MicrowaveSatelliteVSATGSM -2GCDMA – 1x RTTLMDS, MMDSWi Fi – 802.11bBluetooth

GPRS, EDGE, 3GCDMA – EV DOWi Fi – 802.11a/gWiMAX – FixedRFIDDVB-T, S

UMTS, WCDMAHSPA, MIMO4GMobile WiMAXDVB-S / T/ HNFCCognitive Radios

Past Present Future

© Siemens January 2007 3

Wireless Access Technologies Roadmap

© Siemens January 2007 4

Wireless Future : A Seamless Mobile Lifestyle

HOT SPOTS

Public Networks/Public Networks/InternetInternet

Converged servicesConverged services

PUBLICTRANSPORT

VEHICLE

WORK

OUTDOORS

RURAL

HOME

Seamless connectivity to all networks, applications,

& services

Anytime Anywhere

© Siemens January 2007 5

Market Trends

Growth has shifted to Mobile Broadband and Personalized Content

> 3 BillionSubscriptions

Fixed

Wireless

Broadband

Consumer Demands: New World of Content and Applications

• Deliver Content on My Time and My Location• Seamless User Experience across all Devices –

PCs, portables, iPODs, Smartphones, In-car, At-work

• Customized Content and Services on Demand – Movie Downloads, Live TV, Personalized Communication

• Time/Place Shifting of Content and Applications is demanded and expected

Broadband Enablers Everywhere• Fixed and WiFI BroadBand at home and at work• MIMO WiMAX enabling Wide Area, Nationwide

Mobility• Ubiquitous IP and Open Interfaces for Plug and

Play• Convergence with IMS

Device Independence

2006 - 09

En

d-U

ser

Val

ue

En

d-U

ser

Val

ue

TimeTime

Analog Voice

CS Data

PS Data

Broadband Access

Simultaneous Voice + Data

Open Application Environment

Personalized Multimedia

Content

Connectivity:Connectivity:My Connection My Connection and My Carrierand My Carrier

90s early 00s

Personalization:Personalization:My Content at My Content at

My PlaceMy Place

© Siemens January 2007 6

Access Technology Focus : WIMAX

The New Broadband Wireless Standard

Defined by IEEE and Industry, Globally endorsed

802.16-2004 (or 16d)

• Predominantly Fixed

• Deploying now

802.16-2005 (or 16e)

• Portable / Mobile

• Trials in 2H, GA in 2007

© Siemens January 2007 7

WiMAX : Technology

Wide Coverage

Wide Coverage

MobilityMobility

SLASLA

PortablePortable

Flexible

Architecture

Flexible

Architecture

Low CostLow Cost

HighCapacity

HighCapacity

HighSecurity

HighSecurity

QuickDeployment

QuickDeployment

QoSQoS

WiMAXWiMAX

The WiMAX standard has been developed with many objectives in mind

© Siemens January 2007 8

WiMAX : Applications

Class DescriptionReal Time Application type Bandwidth

Interactive Gaming Yes Interactive Gaming 50-85 Kbps

Voip, Video Conference YesVOIP 4-64 Kbps

Video Phone 32-384 Kbps

Streaming Media Yes

Music/Speech 5-128 Kbps

Video Clips 20-384 Kbps

Movies Streaming >2 Mbps

Information technology No

Instant Messaging <250 byte message

Web Browsing >500 Kbps

Email (with attachments) >500 Kbps

Media Content Download (Store and Forward)

NoBulk Data, Movie Download >1 Mbps

Peer-to-Peer >500 Kbps

© Siemens January 2007 9

WiMAX : Usage Scenarios

                         

Cellular Backhaul       x         x     x

WSP Backhaul       x         x     x

Banking Networks x x x           x   x  

Education Networks x   x           x x    

Public Safety x x x x     x x     x  

Offshore Communications x   x       x x   x x  

Campus Connectivity x x x                 x

Temporary Construction     x x     x       x  

Theme Parks x   x       x       x  

WSP Access Networks   x x   x x     x   x x

Rural Connectivity     x     x     x x    

Military Battlefield x x   x     x          

Fle

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Co

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city

© Siemens January 2007 10

Options for India

Should we go for 3G or is there option - Leapfrog to 4G

Major factors influencing this decision will be:-

1. Mobile Data Market Trends

2. Availability & Cost of 3G License

3. Cost of 3G network roll out

4. 2G and 3G network commonality

5. Cost of upgrade of 3G to 4G

6. Timeline of 4G technology availability

7. Availability of 4G Spectrum

8. Cost of Directly opting 4G

9. Improvements in 4G over 3G