This document discusses the growing trend of internet and mobile usage and how WiMAX technology can enable mobile broadband connectivity to support this trend. It provides statistics on internet and mobile usage growth. It then summarizes the capabilities and advantages of WiMAX technology, including its ability to support higher speeds and more bandwidth than other mobile technologies. Finally, it discusses some examples of WiMAX deployments around the world and the growing ecosystem of devices, vendors, and operators supporting WiMAX networks and services.

1. WiMAX:
Changing the Game
CS RAO
Chairman,WiMAX Forum,
16th Sept 2009

2. Internet Based World that’s going
mobile
1.4 billion Internet users
>150 million websites
10 hours of.new video uploaded to YouTube every minute
1 5B web searches daily
1 billion IM users
10 billion videos viewed every month
100,
100,000 blogs created daily
¾ of a trillion dollars online sales worldwide
3 million Twitter messages sent every day

3. PC Based World that’s going
Mobile
Commerce Information Productivity Entertainment Medical Communication Education

4. 1.4 billion Internet users
>150 million websites
1.5B web searches daily
Worldwide
10 hours of new video uploaded to YouTube every minute
1 billion IM users
10 billion videos viewed every month
100,000 blogs created daily
¾ of a trillion dollars online sales worldwide
3 million Twitter messages sent every day
Internet users : 1.4M in 1998, 81 M in 2009 Jan
YouTube : Total Users June ‘09 7.8 million
Average is 326 min/month
India 8% growth month on month
Face book : Total Unique visitors June ‘09 5.9 million
Average is 285 min/month
10% month to month growth

5. Explosion of Video
Total Broadband Videos Viewed Worldwide –
’07 over 98% of HTTP Requests Were Video
Billions
40
30
Average is Average is
350 285
min/month min/month
20
9% 10%
growth month 10 growth month
to month to month
0
2002 2003 2004 2005 2006 2007
Source: ABI Research

6. Market Realities
 The Internet
 Always Connected
 Mobile Computing is a Must
 3 Mbps + Required

7. Rural Health Education eGovernance MicroFinance Video Safety
WiMAX for India:
The Right BB Connections for
Young India ,
Inclusive India and
Prosperous India

8. Mobile WiMAX: the Best of Available Options
Peak Data Rate RAN Access
Technology
Downlink Uplink Latency
WiMAX Release 1.0
40 Mbps 10 Mbps* 40 ms
TDD (2:1 Ratio) 10 MHz
Today HSPA (today) 14 Mbps 2 Mbps 50-250 ms
HSUPA 14 Mbps 5.8 Mbps 50-250 ms
HSPA Evolved (Rel 7)
28 Mbps 11.6 Mbps 50-250 ms
MIMO 2x2
HSPA Evolved
42 Mbps 11.6 Mbps 50-250 ms
Future MIMO+64QAM downlink
LTE (Rel 8) 2x5MHz 43.2 Mbps 21.6 Mbps 30 ms
Mobile WiMAX™ 2.0
300+Mbps, 20MHz expected ’10/’11
(802.16m)

9. Mobile Broadband Evolving to OFDMA + MIMO
2007 2010
Cellular 3GPP
1G 2G 3G LTE
Analog TDMA WCDMA
Broadband Wireless - WiMAX
802.16d
802.16d 802.16e
802.16e 802.16m
Wireless LAN - Wi-Fi
Wi-
802.11a/b/g
802.11a/b/g 802.11n
802.11n
OFDMA + MIMO New Spectrum
All-
All-IP Core Network

10. WiMAX vs Other Technologies
Average File
Transfer Rates
EV-
EV-DO Rev. A 1.06 Mbps
EV-
EV-DO Rev. B 4.65 Mbps
UMTS/HSDPA 3.91 Mbps
Mobile WiMAX 14.1 Mbps
Wi-
Wi-Fi g 16 Mbps
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 (MB)
Source: WiMAX Forum White Paper

11. WIMAX Is The BEST Choice
To Deliver The Future ...
TODAY
• Most Spectrally Efficient
• All IP Network
• Cost-Effective
Equipment Choices
• Open Mobile Internet
Business Model

12. WiMAX Delivers Highest Wireless & Mobile
Broadband speeds
• Today, Average speeds capability of 6 Mbps DL&512Kbps UL
• Today Peak user speeds of 16Mbps DL&4Mbps UL .
• Delivers user Mobile BB services at 3times the 3G ,now
• 10 times scalability in performance with WiMAX releases like 802.16m
• Highest Spectral efficiency thus WiMAX is 4G at 3G costs now and today
• Operates in 2.3/2.5/3.5 Ghz bands already in just 2 years of it’s global
launch
• Conforms to IMT 2000 & ITU-R standards
ITU-
• All devices and equipments to date conform to TDD,Wave 2 Certified
• It is All IP,Open Stds Complaint and supports Web2.0 & Streaming

13. WiMAX Global Momentum
Continues to Build
Deployments2
Over 450 Planned &
75 Commercial Fixed + Mobile
48 66 Networks In Over 135
Countries
Price / Performance3 18
2-3x Today’s 3G Solutions And 99 73
Scalability To 10x In The Future
96
Vendors1
Over 20 Infrastructure Vendors
Almost 100 Companies Offering
Over 350 Client Device Designs!
1. Infrastructure: ABI Research, 2009; Client devices: Orr Technologies, 2009.
2. Informa Telecoms & Media, 2009
3. 2-3x based upon actual network performance in Korea, US, Russia, Taiwan & Japan; 10x per IEEE 802.16m Systems Requirements Document

14. Mobile WiMAX Being Deployed in
14 of Top 15 PC Markets
USA
1.2 billion PCs deployed worldwide China
Top 15 represent 71% of total Japan
Germany
All countries have 2.3/2.5 or 3.5GHz
UK
16 IA OEMS supporting WiMAX today France
Clear / US: 35+ models from 6 OEMs Russia
Italy
− 20+ available now
South Korea
UQ / Japan: 14 OEMs commit to embed Brazil
Russia: 30 models available from 6 OEMs India
Canada
100 notebook + netbook models
Mexico
by end of year
Australia
Spain
Source: Computer Industry Almanac, Jan ‘09

15. Mobile Voice
vs.
Mobile Internet
Traffic Equivalents*
1 Smartphone = 30 Handsets
1 Laptop = 450 Handsets
A Network Optimized For Mobile
Voice Cannot Handle High 1-5 Mbps Burst Traffic
~ 10 Kbps Constant Rate
Numbers Of Mobile Internet
Users
More Spectrum Needed
More Backhaul And Different Network Architecture Required
Mobile Internet Requires a Technology Revolution
* Source: Cisco, 2009

16. WiMAX Enables New Mobile Broadband
Experience
3G PC Data Usage WiMAX Data Usage
10%
15% 20% 25%
INACTIVE
+3GB / mo.
INACTIVE >10GB / mo.
25%
15% 0-500MB / mo.
1-3GB / mo.
50% 40%
< 1GB / mo. 500MB-
10GB/mo.
• Data usage expands when true broadband becomes available
• WiMAX capable of providing primary broadband, not just mobile
• 3G cost/bit and performance unable to meet BB experience expectations
3G Source: Major 3G service provider
WiMAX Source: Major WiMAX service provider

17. Global Vision:
1 Billion “Connected Mobile Clients” in 5 Years
Core Business Strategic Growth Areas
CE Mobile Low-
Low-Cost Embedded
Client PCs (Internet) Internet PCs
Devices
Windows, Mac OS Microsoft Windows / Moblin Linux-based OS / Services Port of Choice
Linux-
One Architecture Across Multiple Mobile Client Platforms

18. PC Access to the Internet
Has Gone Mobile …
MU
400
Notebook
Desktop
300
200
100
0
2003 2004 2005 2006 2007 2008 2009 2010 2011 2012
Forecast
Source: Gartner

19. … And Mobile PCs Will Be
Connected to the Internet
M Units % WAN
Percent Connected to WAN
Notebook
Netbook
WAN Connection is Essential
Source: In-Stat . ABI & Intel Internal Estimates

20. … And These New Devices and Applications
Are Rapidly Overloading Existing Networks
Commerce Information Productivity Entertainment Medical Communication Education

21. Robust Dual- Mode HSDPA / WIBRO DEVICE Eco system is established
Dual-
 PCMCIA Card
 USB Dongles
 WiBro
 WiBro + HSDPA DBDM
 WiBro + T-DMB (mobile TV)
DBDM, WiBro + MP3,
 WiBro + Flash memory
 Handsets
 Triple mode (WiBro, EVDO, T-
DMB), Voice call thru CDMA
 Ultra Mobile PCs
 WiBro, WiFi, WiBro, Bluetooth 2.0
 WiBro, CDMA, 1xEVDO, Bluetooth
 Embedded notebooks
 Samsung: NT-Q35/C200
 LGE: X-Note C1

22. A Diverse Offering of
WiMAX Devices Available NOW

23. New affordable ways to compute & access the internet
Intel’s ATOM processor has transformed devices so that they are small, smart & efficent
affordable
Nettops Netbooks Mobile Internet devices
Affordable desktop computing for Internet companion device for easy Full access to the internet in a
easy access to the internet access to the internet pocket able form factor (with voice)
Internet content Internet content Entertainment
consumption consumption Information
E-mail and IM E-mail and IM Communication
Social media Social media Productivity
First time buyer PC density Smart phone
device replacement*
*2010 availability
Personal
Shared

24. A range of NetTop form factor WiMAX devices
*Other brand and names are the property of their respective owners

25. By 2015 … INDIA would have ….
500 M Internet users
100 M Broadband connections
100 M Broadband Enabled devices
2007 2008 2009 2010 2011 2012
users bb connected devices bb subs

26. CLEAR
WiMAX
Portland
Launched in
U.S.

27. “ We actually welcome the use of heavy bandwidth data
applications that conventional 3G network operators may
discourage or simply can’t support.
Scott Richardson
Chief Strategy Officer, Clearwire
WiMAX-Ready Clear Clear USB Clear Voice Clear Mobile Broadband Clear
LAPTOPS MODEM MODEM ADAPTER ENTERTAINER SPOT
• Over 35 notebook models from 6 manufacturers with over 20 in retail today
• Plug in your Clear access device and surf, often in less than 60 seconds
• Targeting coverage in over 80 markets by end of 2010
• Actual (typical) download speeds of 2-4 Mbps

28. Scartel’s Yota Service
 Targeting over 40 of the largest cities in Russia
 Carrying over 500TB of traffic per month TODAY
500TB
 Average subscriber is consuming 9.5GB per month!
− Twice that of DSL/Cable subscribers
− Twice that of typical monthly data limit set by operators (5GB)
(5
 HTC GSM / WiMAX dual mode handset
MOSCOW SAINT-PETERSBURG

29. OUTDOOR COVERAGE
• First Mobile WiMAX network live in
Europe
• World’s first 3.5GHz carrier INDOOR COVERAGE
• Installed over 100 base stations in 2
months; over 170 today
• Nationwide coverage expected in 3 years
• 8 Mbps downlink rates

30. Packet One, Malaysia:
• Over 500 new subscribers / day
• World’s largest 2.3 GHz deployment
outside of So. Korea
• Wireless @ KL provides free access to
over 70,000 users
70,

31. Faster and Cheaper:
Live speed tests on notebooks have reached about 16 Mbps down and 4
Mbps up, as simple, flat-rate pricing undercuts all current HSPA offers
flat-
• 13 PC manufacturers announced
plans to offer embedded WiMAX
notebooks
• Launched with 3 major electronics
retailer MVNOs
• Unique railway and mobile
application service offerings

32. Owner: SMiller
• Pre-commercial network shows 3x the
performance of HSPA
• 30 MHz of spectrum in 2.5 GHz
• Start in Taipei and then expand into
northern Taiwan

33.  Phase 1: Serve over 250,000 subscribers across 80,000 villages
250, 80,
 Phase 2: Serve 675,000 villages and ~ 1.1 million subscribers
675,
 E-governance, telemedicine, distance education, e-travel, e-chaupal, e-
e- e-chaupal, e-
legal services, and e-media access
e-
 Plan to cover all urban India – 3 states already launched via franchisees

34. WiMAX Embedded Laptops & Netbooks
Scaling to over 150 Models by EOY 2009
16 PC OEMs Have Announced Plans to
Embed Intel’s WiMAX Modules
Intel TEM Focus U.S.A.
35+
35+ certified models from 6 OEMs
20+
20+ models available in U.S. Channels NOW
Japan
14 OEMs committed to embed WiMAX
Russia
30+
30+ Models Available from 6
OEMs

35. What is Intel Doing to Enable WiMAX?
Wimax Silicon Ecosystem Development Interoperability Testing
Intel Is Investing In …
Equipment and
Silicon Companies Service Providers Spectrum Auctions
Infrastructure Companies
Other brands and names are the property of their respective owners.

36. WiMAX and the Open Patent Alliance

37. WiMAX Today. A Vibrant Ecosystem
Other brands and names are the property of their respective owners.

38. WiMAX Business Case Process
Operator/ Market Inputs
CapEx OpEx Market
Spectrum Tower Rental Market Definition
lease/purchase
Operator/Market Inputs
Site Acquisition Backhaul Service Definition /
Operating Expenditure and Planning Usage Models
Capital Expenditure
Cell Site Marketing Penetration Model
Demographic Information Electronics
Backhaul and Core Subscriber Churn
Network Acquisition
Maintenance Customer Coverage and
Retention Capacity
OC12 Provisioning Administrative / Throughput /
Overhead Oversubscription
Air Link Components
RF Planning Airlink Components
CPE Cost CPE Airlink RF
RAN CPE Subsidy Channel Model Cell Site Costs
RAN CPE Installation Total Traffic Site Acquisition
CPE Cost CPE Refresh Rate Channel Model Antenna’s
Mix
Software Traffic Growth Cabling
Maintenance
Outputs
Software Upgrade Core Infrastructure
Financial
Market
Outputs
Benchmark
Free Cash Flow NPV
Discounted Cash Flow EBITDA Multiple
Normalized OpEx Normalized CapEx
38
CCPU CPGA

39. Executive Summary of a WiMax India Operator
• Top 250cities of India
 in phase 1 coverage in first 4 years
• WiMAX business model by WiMax Forum and strategic ecosystem players
 Link /system level studies, real life device performance
 Local operating expenses, ecosystem , device availability
 Market data collected from vendors, carriers etc
 one of the most attractive case for wireless broadband driven by
unique factors :
 population density of India, reduces coverage need BTS
 Presence of Cell towers reduces cost of putting new sites
 Attractive CapEx outlay &Attractive device prices
 Availability of fiber reduces OpEx/backhaul cost of the model
OpEx/backhaul
 Very low Cost Per Gross Add
 Prepaid model reduces working capital requirements
 Access to one of the largest middle class populations of the world
 Embedded Intel NB push will enable market even further -no subsidy market
 Abundant international bandwidth available at competitive rates
39

40. Capacity of Single Operator for WiMax in 20 Mhz
 Single WiMax Operator in India
•potential to serve upto 28 Million WiMax Subscribers meeting TRAI
specified norms
Subscribers will range from
• users of embedded Notebooks, Desktops, PC Cards, Smart
phones and Enriched phones
 A New range of devices such as Netbooks , Nettops will Likely
Push WiMax adoption Even Higher
40

41. SLA Indicators considered in Biz Case
• ARPU offering assumes unlimited ( all you can eat) nomadic and mobile broadband data plan
• Model assumes no incremental revenue from VOIP
• Content /services revenue not considered into business case, only subscription revenue taken
into account
• Model does not take into account wholesale/resale offerings on MVNO basis
• ARPU does not include VAT
• 50% decline in ARPU over 10 Years is assumed, while QOS on a per subscriber basis is
consistently increased
• Blended ARPU ~ $17 , reducing to ~$8 by year 10

42. Financials of WiMax Operator Business Case
Parameter Values
Coverage Timeline Phase 1 : 2010 to 2013, Phase 2 : 2014-2016, Phase 3: 2016-
2018
Phase 1 Coverage Top 250 cities Covered ( 2010 to 2013)
Coverage BTS – Phase I ~14K Coverage BTS required for covering 17K sq Km.
Estimated Subscriber Capacity of 28 Mil in the network
Network Loading Network Loading of 40% assumed in the business model at
the end of Phase I – End of Year 2013
EBITDA Breakeven ( Phase 1) Year 1
Cum FCF Breakeven ( Phase 1) Year 3
Discounted CF Breakeven Year 4
( Phase 1)
Cumulative CapEx ( Phase 1) $ 600 Mil - end of year 2013
Total Revenue ( Phase 1) $1.4 Billion – end of year 2013

43. WiMAX
No longer next generation; here and now

44. Thank You

45. Backup

46. LTE Claims & Reality
UPGRADE FALSE Complete forklift upgrade from RAN to
Core
LTE is a simple upgrade to 3G
FALSE LTE needs wide FDD channels, or must
SPECTRUM re-farm existing spectrum w/o compromising current
LTE has plenty of spectrum services
TBD Until IPR is resolved, depth and breadth
DEVICE COST of devices suppliers limited. Chipsets burdened
with legacy multimode.
Plethora of devices will be there
FALSE Standard not complete. Multi-year
TIMING WiMAX Time-to-Market advantage and roadmap
to .16m will provide a sustained lead over
LTE will be ready when the market is alternatives.
ready

47. Owner: ML
WIMAX in Top PC Markets
U.S. Clearwire, DigitalBridge, Towerstream, Xanadaoo & dozens of others
Japan UQ soft launch Feb – fastest global network with up to 40Mbps downlink
Germany DBD in market today with fixed/city wide hotspot; Half dozen others in service or planned
UK Freedom 4, UK Broadband, Irish Broadband & almost dozen others in market today;
2.5GHz auction this year
France Bollore deploying fixed and city wide hotspots; 5 others operators across France
Russia 13 carriers include Scartel & Comstar deploying Fixed/Mobile networks
Italy 10 carriers including AriaDSL launching fixed/city wide hotspots
South Korea KT & SKT in market today with mobile
Brazil Embartel, Telefonica, Brasil Telecom, TVA & others in market today with fixed, growing
city wide hotspots to mobile
India BSNL deploying today in 25,000 villages; auction in H1’09 for 2.3/5GHz
Mexico 7 carriers including MVS deploying today fixed/city wide hotspot
Australia 6 carriers today including Unwired expanding coverage
Spain Iberbanda & NeoSky deploying fixed, city wide hotspot and mobile

48. Data Traffic is Taking Over Voice Networks
Percentage of Overall Traffic
100%
100%
80%
DATA
60%
40%
40%
VOICE
20%
0%
2006 2007 2008 2009 2010 2011
Source: Cisco

49. Mobile WiMAX: the Best of Available Options
Peak Data Rate RAN Access
Technology
Downlink Uplink Latency
WiMAX Rel 1.0 (.16e) 40 Mbps 10 Mbps*
40 ms
TDD (2:1 Ratio) 10 MHz 2x2 MIMO 1x2 cMIMO
Today HSPA (today) 2x5 MHz 14 Mbps 2 Mbps 50-250 ms
HSUPA 2x5 MHz 14 Mbps 5.8 Mbps 50-250 ms
HSPA+ 2x5 MHz Rel 7
21 Mbps 5.8 Mbps 50-250 ms
+ 64 QAM
HSPA+ 2x5 MHz
21 Mbps
42 11.6Mbps
5.8 Mbps 50-250 ms
Future MIMO*+64QAMdownlink
MIMO+64QAM downlink
HSPA+ 2x10 MHz Rel 9
42 Mbps
84 11.6 Mbps
23 Mbps ?
MIMO*+64QAMdownlink
MIMO+64QAM downlink
LTE (Rel 8) 2x5MHz
43.2 Mbps 21.6 Mbps 30 ms
2x2 MIMO
Mobile WiMAX™ 2.0 300+ Mbps 112 Mbps
< 30 ms
(802.16m) 2x20 MHz 4x4 MIMO 2x4 MIMO
* Signals Ahead, HSPA+: So Many Options, So Little Time, April 2009

50. Lower IPR is Key to Device
Proliferation
Relative
IPR New
Cost Entrants
Don’t
Enter
Maximum
Cost Do
Bearable Enter
Leading
Incumbents
Minimum Relative
IPR Strength
Needed IPR Strength

51. Mobile Broadband Technology
Open Vision Well defined interfaces
At all levels for a simple
Mobile Internet
Services All IP Architecture
3GPP/3GPP2 Specifications)
(Interworking supported in
NWG Specifications
WiMAX Forum
Flexible Deployment IETF based protocols
Architectures
GPP/3GPP2
Minimized number of
All-
All-IP Core Networks Layers and protocols
with Interworking for
backend systems re-use
re-
Message based control
Signaling for flexibility
All-
All-IP Flexible RANs
Retail model enabled by
Standards
Industry certification
profiles
802.16
WiMAX
IEEE
802.
+
Inexpensive Radios OFDM+MIMO to
Optimize bandwidth
efficiency
Innovation at all levels

52. WiMAX or LTE = Same Level of
Upgrade
2G, 3G Network
(GSM, EV-DO, HSPA)
2G, 3G Core
Network
SGSN
MGW
GGSN
Upgrade core network to
New data overlay network support more IP data
traffic
4G Network: All IP Core
(WiMAX or LTE)
SAE
GW
PCRF
HSS
MME/UPE OCS
Radio Access Network (RAN): Core Network Equipment
> 90-95% of new CapEx* < 10% of new CapEx*
Both WiMAX & LTE require new RAN equipment & devices.
Neither is “backward compatible” to 3G.
Both can interwork well with existing 2G, 3G networks.
* Intel estimates. Percentage varies based upon the operator’s existing network.

53. Why do we need +2 Mbps Mobile broadband?
+2
Internet is getting more complex with rich multimedia
Mobile Internet Trends
Web pages getting more complex
 Avg web page size has tripled in past 5 years
 +75% HTTP requests from images,
75%
 +90% of web pages have images today
90%
Video and HD are here
 Average file size on the web : 10 MBytes
 Video accounts for ~99% of all bytes transferred
~99%
Laptop users account for
 And they are growing in size and length; 90% of
90% >80% of KT WiBro
videos are +3min, up from under 1 min in ‘97
+3 ‘97
data access*
 Quality is degrading
Thus Mobile Internet Requires Multi-Mbps Connection Per User and
WiMAX meets and far exceeds this need
Other brands and names are the property of their respective owners. *Source: KT Q1’08. *Forrester Research

54. What is the Wireless Broadband killer application?*
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55. The Mobile Internet experience is not simple Radio Access
4G RF Network
+
4G Devices
WiMAX
+ Customer
Customer
Experience
Experience
Multimedia Content
+
Open Applications