Interoperability withInteroperability with Next GenerationNext Generation

Mobile BroadbandMobile Broadband OFDMOFDM--Based SolutionsBased Solutions

Joe LawrenceCDMA Development Group

May 13, 2008

www.cdg.org

Key MessagesKey Messages• CDMA and OFDM are different different technologies with different capabilities

• CDMA2000® offers high-performance mobile broadband and voice services today and will continue to be enhanced to provide greater broadband speeds and voice capacity

• OFDM leverages wider-bandwidths up to 20 MHz to provide greater speed and capacity

• OFDM-based backhaul, broadcast and broadband networks will complement complement CDMA2000

• Augmenting CDMA2000 in high-teledensity areas and leveraging CDMA2000’s ubiquitous coverage with multimode devices to provide seamless continuity of services

• Global mass market adoption timing of wider-bandwidth OFDM-based solutions is uncertainuncertain

•• WiderWider--bandwidth bandwidth spectrum availability will drive OFDM-based network deployments• Mass market adoption of OFDM-based solutions will depend on ubiquitous coverageubiquitous coverage, lowlow--cost cost

handsethandset availability, VoIPVoIP replacing circuit-switch voice services and roamingroaming

• Meanwhile, EV-DO offers substantial longlong--term industry valueterm industry value by remaining the core technology driving most operators’ ARPUARPU well into the next decade

• CDMA2000 operators will be among the firstfirst enabled to augment their networks with wider-bandwidth OFDM-based solutions

• CDMA2000 WorldModeWorldModeTMTM devices will enable this competitive advantage• CDMA2000 networks will be interoperableinteroperable with OFDM-based radio technologies• No need to deploy GSM or UMTS to obtain this advantage

Notes: 1. OFDM is the air interface used by WLAN, mobile broadcast and next-generation mobile broadband technologies (LTE, UMB, etc.)2. 4G will be defined by the ITU-R as a result of the IMT.Advanced standardization effort.

www.cdg.org

CDMA and OFDM-based TechnologiesCDMA and OFDM are complementary technologiesCDMA and OFDM are complementary technologies

OFDM leverages widerOFDM leverages wider--bandwidths up to 20 MHzbandwidths up to 20 MHz

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Coexistence of Coexistence of CDMA and OFDMA SolutionsCDMA and OFDMA Solutions

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Network EvolutionMultiple network technologies supported by a common IPMultiple network technologies supported by a common IP--based core networkbased core network

Different technologies for Different technologies for Different locations andDifferent locations and

Different servicesDifferent services

3G CDMA will remain a core technology for3G CDMA will remain a core technology forWLAN, mobile broadcast and next generation mobile WLAN, mobile broadcast and next generation mobile

broadband networks broadband networks

WLAN (OFDM, 802.11a/b/g/n)WLAN (OFDM, 802.11a/b/g/n)

Mobile Broadcast (OFDM)Mobile Broadcast (OFDM)Next Generation Mobile Broadband (OFDMA)Next Generation Mobile Broadband (OFDMA)

WirelineWireline Broadband (DSL, Cable, Fiber, etc.)Broadband (DSL, Cable, Fiber, etc.)

Mobile WAN (3G CDMA)Mobile WAN (3G CDMA)

Mobile WAN (3G CDMA)Mobile WAN (3G CDMA)Providing fixed broadbandProviding fixed broadband((FemtocellsFemtocells))

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Coexistence of CDMA and OFDMCoexistence of CDMA and OFDM--based Solutionsbased SolutionsOFDMOFDM--based solutions will complement 3G CDMA solutionsbased solutions will complement 3G CDMA solutions

CDMA2000 RoadmapCDMA2000 Roadmap

www.cdg.org

OFDMA Broadband Overlay TimelineOFDMOFDM--based solutions will be builtbased solutions will be built--out over time as demand grows and spectrum out over time as demand grows and spectrum becomes availablebecomes available

3G CDMA WAN networks will coexist with OFDM3G CDMA WAN networks will coexist with OFDM--based solutions until based solutions until next generation broadband networks are fully capable of deliverinext generation broadband networks are fully capable of delivering:ng:

1)1) Ubiquitous coverageUbiquitous coverage2)2) CarrierCarrier--grade VoIPgrade VoIP3)3) LowLow--cost devices *cost devices *4)4) Global roaming *Global roaming *

* Harmonization of spectrum for OFDM-based solutions will be necessary to build economies of scale and enable global roaming

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SpectrumSpectrum ConsiderationsConsiderations

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CDMA vs. OFDMACDMA and OFDMA are different technologies with different capabilCDMA and OFDMA are different technologies with different capabilitiesities

CDMA2000 1X and EVCDMA2000 1X and EV--DO are more efficient in DO are more efficient in bandwidths up to 5 MHzbandwidths up to 5 MHz

OFDMAOFDMA--based solutions offers a simpler implementation inbased solutions offers a simpler implementation in bandwidths greater than 10 MHzbandwidths greater than 10 MHz

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FDD vs TDD Bandwidth AssignmentsEVEV--DO is a FDD solution that is optimal for 1.25 MHz bandwidths, whDO is a FDD solution that is optimal for 1.25 MHz bandwidths, while ile WiMAXWiMAX is is currently a TDD solution that is best suited for 10 MHz or greatcurrently a TDD solution that is best suited for 10 MHz or greater bandwidthser bandwidths

FDD solutions are more spectrally efficientFDD solutions are more spectrally efficientthan TDD solutionsthan TDD solutions

1.25MHz

EV-DO

Mobile WiMAX

5MHz

1.25MHz 1.25MHz

5MHz 5MHz 5MHz 5MHz

20 MHz

1.25MHz

EV-DO

5MHz

1.25MHz 1.25MHz

TDDTDD

FDDFDDUplink Downlink

InIn--Band SolutionBand Solution

New Spectrum SolutionNew Spectrum Solution

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Spectrum FlexibilitySpectrum Flexibility

CDMA2000 1X and EVCDMA2000 1X and EV--DO offer operators the flexibility DO offer operators the flexibility to uniquely service diverse market demandsto uniquely service diverse market demands

CDMA2000 offers operators the flexibility to meet incremental maCDMA2000 offers operators the flexibility to meet incremental market demandsrket demands

Clearing spectrum and deploying smaller carriersClearing spectrum and deploying smaller carriersis easier and more affordableis easier and more affordable

1.25MHz

1X

5MHz1.25MHz 1.25MHz

1.25MHz 1.25MHz 1.25MHz

1.25MHz 1.25MHz

1X

Rev. B

1X

10 MHz

1.25MHz 1.25MHz 1.25MHz

1.25MHz

1X

Incr

easi

ng D

eman

d fo

r Dat

a Se

rvic

es Rev. A

Rev. A

Rev. A

Rev. A

Rev. A

Rev. A

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Core NetworkCore Network

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Advanced Convergence Network ArchitectureAdvanced Convergence Network ArchitectureAn evolution to a An evolution to a ““flexibleflexible”” and and ““flatflat”” IPIP--based network architecturebased network architecture

Next generation broadband technologies will be integrated into Next generation broadband technologies will be integrated into CDMA2000 IP networks:CDMA2000 IP networks:

InternetInternet

Gateway

IMS

IP Network (Ethernet)

PSTN

CDMA2000 networks will support both legacy and CDMA2000 networks will support both legacy and advanced IP network architecturesadvanced IP network architectures

UMBUMB LTELTE Mobile Mobile WiMAXWiMAX

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DeviceDevice ConsiderationsConsiderations

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CDMA2000

CDMA2000 devices have and will continue to support multiple radiCDMA2000 devices have and will continue to support multiple radio technologieso technologies

No matter which OFDMANo matter which OFDMA--based technology is selectedbased technology is selectedIPIP--based CDMA2000 will remain as the core technologybased CDMA2000 will remain as the core technology

Broadcast

PAN/LANBroadband

WAN

CDMA2000

UMBLTE

WiMAX

MFLODVB-HISDB-TT-DMB

Bluetooth802.11a/b/g

802.11n

GSMGPRSEDGE

WCDMAHSPAiDEN

Mobile Device LandscapeMobile Device Landscape

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ConclusionConclusion• CDMA and OFDM are different different technologies with different capabilities

• CDMA2000® offers high-performance mobile broadband and voice services today and will continue to be enhanced to provide greater broadband speeds and voice capacity

• OFDM leverages wider-bandwidths up to 20 MHz to provide greater speed and capacity

• OFDM-based backhaul, broadcast and broadband networks will complement complement CDMA2000

• Augmenting CDMA2000 in high-teledensity areas and leveraging CDMA2000’s ubiquitous coverage with multimode devices to provide seamless continuity of services

• Global mass market adoption timing of wider-bandwidth OFDM-based solutions is uncertainuncertain

•• WiderWider--bandwidth bandwidth spectrum availability will drive OFDM-based network deployments• Mass market adoption of OFDM-based solutions will depend on ubiquitous coverageubiquitous coverage, lowlow--cost cost

handsethandset availability, VoIPVoIP replacing circuit-switch voice services and roamingroaming

• Meanwhile, EV-DO offers substantial longlong--term industry valueterm industry value by remaining the core technology driving most operators’ ARPUARPU well into the next decade

• CDMA2000 operators will be among the firstfirst enabled to augment their networks with wider-bandwidth OFDM-based solutions

• CDMA2000 WorldModeWorldModeTMTM devices will enable this competitive advantage• CDMA2000 networks will be interoperableinteroperable with OFDM-based radio technologies• No need to deploy GSM or UMTS to obtain this advantage

Notes: 1. OFDM is the air interface used by WLAN, mobile broadcast and next-generation mobile broadband technologies (LTE, UMB, etc.)2. 4G will be defined by the ITU-R as a result of the IMT.Advanced standardization effort.

www.cdg.org

Next Generation Multimode DevicesNext generation mobile broadband devices will leverage the learnNext generation mobile broadband devices will leverage the learning curve of ing curve of CDMA2000 CDMA2000 WorldModeWorldModeTMTM devicesdevices

CDMA2000 operators will be among the first operators to offer CDMA2000 operators will be among the first operators to offer next generation mobile broadband servicesnext generation mobile broadband services

* WiMAX is enabled using a separate chipset ** MDM 9800 and MDM 9600 chipsets will support FDD and TDD duplex modes and different carrier bandwidths.

Radio Frequency Links:450 MHz 700 MHz 800 MHz 900 MHz 1500 MHzGPS 1700 MHz 1800 MHz

1900 MHz AWS 2100 MHz 2500 MHz 3500 MHz

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Economies of ScaleEconomies of Scale ConsiderationsConsiderations

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CDMA2000: Strong Global PresenceCDMA2000: Strong Global PresenceCDMA2000 has built a strong ecosystem and enormous economies of CDMA2000 has built a strong ecosystem and enormous economies of scalescale

More than 285 285 operators in more than 107107 countries have deployed or are planning to deploy CDMA2000

1X EV-DORel. 0

EV-DORev. A

Commercial 246 83 19

In Deployment/Trial 28 53 34

431 million CDMA2000 Subscribers431 million CDMA2000 Subscribers

CDMA2000 will continue to be the core business CDMA2000 will continue to be the core business for hundreds of operators for well over a decadefor hundreds of operators for well over a decade

www.cdg.org

• Mass market adoption of Rev. A advanced broadband services is strong• 35 commercial operators in 18 countries (1/2 billion POPs covered) – 34 more in deployment

• Multicarrier Rev. B will meet demand for additional capacity well into the future

• Interoperability with OFDM-based broadcast and wide-bandwidth broadband solutions will be supported to supplement core CDMA2000 services

CDMA2000: Strong Evolution PathCDMA2000: Strong Evolution PathCDMA ecosystem is continuing to enhance the CDMA2000 roadmapCDMA ecosystem is continuing to enhance the CDMA2000 roadmap

Mobile Broadband Mobile Broadband Global Cumulative SubscribersGlobal Cumulative Subscribers

Sources: Strategy Analytics, Worldwide Cellular User Forecast, July 2007, and Mobile Broadband Subscriptions Forecast, November 2006Wireless Intelligence World Cellular Subscriber Forecast, October 2007Yankee Group, Global Mobile Forecast, October 2007 (EV-DO only)iGR, March 2007 (EV-DO only)Yankee Group, Modest WiMAX Grows Despite Uncertainty, January 2007

2004 2005 2006 2007 2008

91

145

200

77

192

58

1227

27

0

20

40

60

80

100

120

140

160

180

200

EV-DO HSPA Mobile WiMAX

10

2009

Subscribers(Millions))

www.cdg.org

Penetrating the MarketPenetrating the MarketNext generation mobile broadband handset pricing trends will be Next generation mobile broadband handset pricing trends will be similar to UMTSsimilar to UMTS

Next generation multimode handsets will need to approachNext generation multimode handsets will need to approachexisting handset prices to penetrate the marketexisting handset prices to penetrate the market

and build economies of scaleand build economies of scale

Sources: 1. ABI ( Q4 2007), IDC (July 2007), Strategy Analytics (July 2007) and Yankee Group (Oct 2007) handset shipment forecasts2. Yankee Group, CDMA2000 and WCDMA ASP trends, January 2008

Shipments(Millions)

3G CDMA Lowest Handset Pricing3G CDMA Lowest Handset Pricingand Global Handset Shipment Volumeand Global Handset Shipment Volume

$0

$20

$40

$60

$80

$100

$120

$140

$160

$180

$200

$220

$240

$260

$280

2004 2005 2006 2007 2008e 2009e 2010e0

100

200

300

400

500

600

700CDMA2000 Global Handset ShipmentsWCDMA Global Handset ShipmentsWCDMA Low-Tier AvergeCDMA2000 Low-Tier Averge

Price(USD)

www.cdg.org

Migration TimelineMigration TimelineWith an increasing number of subscribers, the migration process With an increasing number of subscribers, the migration process is lengtheningis lengthening

Putting things into perspective:Putting things into perspective: Mass adoption of wideMass adoption of wide--bandwidth OFDMbandwidth OFDM--based solutions will based solutions will take many years take many years –– Voice will remain the Killer Application.Voice will remain the Killer Application.

Migration of SubscribersMigration of Subscribers

www.cdg.orgSubstantial LongSubstantial Long--term Industry Valueterm Industry Value

CDMA2000: Long-Term Value PropositionCDMA2000 is strongly positioned to serve operator requirements fCDMA2000 is strongly positioned to serve operator requirements for the long runor the long run

High spectral efficiency in all environments

Lower Total Cost Lower Total Cost of Ownershipof Ownership

CapacityCapacity

Robust mobility support with

seamless handoffs across multiple air

interfacesBetter user Better user experienceexperience

MobilityMobility

SpeedSpeedUltra-high data

speeds in downlink and uplink across

entire coverage areaBetter user Better user experienceexperience

Large non- contiguous or

ubiquitous coverage.

Lower Total Cost Lower Total Cost of Ownershipof Ownership

CoverageCoverage

DevicesDevicesMultimode

devices supportmultiple radio

interfacesEconomies of ScaleEconomies of Scale

EcosystemEcosystemLarge client base and experienced global suppliers.

CompetitiveCompetitiveIndustryIndustry

Lower end-to-end latency to support

delay sensitive applicationsBetter user Better user experienceexperience

LatencyLatency

TimeTime--toto--MarketMarketRevenue-generating

services become commercially

available in early Improved EarningsImproved Earnings

VoIPVoIPLarge numbers of VoIP calls coexist with high capacity

data services.Improved EarningsImproved Earnings

IPIP--basedbasedFlat IP-based core network

interconnectivityImproved Improved

Performance &Performance &ConvergenceConvergence

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ConclusionConclusion

• CDMA and OFDM are different different technologies with different capabilities

• OFDM-based backhaul, broadcast and broadband networks will complement complement CDMA2000

• Global mass market adoption timing of wider-bandwidth OFDM-based solutions is uncertainuncertain

• Meanwhile, EV-DO offers substantial longlong--term industry valueterm industry value by remaining the core technology driving most operators’ ARPUARPU well into the next decade

• CDMA2000 operators will be among the firstfirst enabled to augment their networks with wider-bandwidth OFDM-based solutions

Notes: 1. OFDM is the air interface used by WLAN, mobile broadcast and next-generation mobile broadband technologies (LTE, UMB, etc.)2. 4G will be defined by the ITU-R as a result of the IMT.Advanced standardization effort.

www.cdg.org

Back up ChartsBack up Charts

www.cdg.org

• CDMA and OFDM are differentdifferent technologies with differentdifferent capabilities

• OFDM-based backhaulbackhaul, broadcastbroadcast and broadbandbroadband networks will complement 3G CDMA

• A “One Technology Fits AllOne Technology Fits All” or a “One Network Fits AllOne Network Fits All” strategy no longer suffices in today’s competitive markets

•• Rev. ARev. A is creating and validating the business case for next generation mobile broadband technologies

• OFDM-based solutions will be built-out over time as demand growsdemand grows and spectrum becomes availablespectrum becomes available

• 3G CDMA WAN networks will coexistcoexist with OFDM-based solutions until next generation broadband networks are fully capable of delivering:

• Ubiquitous coverage• Carrier-grade VoIP• Low-cost devices• Global roaming

• OFDMA-based solutions are best suited for new spectrum allocations with bandwidths greater than 10 MHz10 MHz. CDMA is more efficient up to 5 MHz5 MHz.

ConclusionConclusionCDMA2000: Enabling the convergence of next generation wireless CDMA2000: Enabling the convergence of next generation wireless servicesservices

www.cdg.org

• CDMA offers operators the flexibility to meet incremental incremental market demands - clearing spectrumclearing spectrum and deploying smaller carriers is easier and more affordable

• Next generation broadband technologies will be integratedintegrated into CDMA2000 IP networks that will support both legacylegacy and advanced IPadvanced IP network architectures

• CDMA2000 operators will begin offering carriercarrier--grade VoIPgrade VoIP services in 2008

• No matter which OFDMA-based technology is selected, IP-based CDMA2000 will remain as the core technology core technology in devices

• CDMA2000 WorldModeWorldModeTMTM devices will continue to lead the industry in multi- mode/multi-band connectivity and multifunctional capabilities

• CDMA2000 operators will be among theamong the firstfirst operators to offer next generation mobile broadband services

• Next generation multimode handsets will need to approach existing handset existing handset pricesprices to penetrate the market and build economies of scale

• 3G CDMA will continue to be the core business core business for hundreds of operators for well over a decade - the generational migration process will take many yearsmany years

• CDMA2000 offers substantial longlong--term industry valueterm industry value

Conclusion (Cont.)Conclusion (Cont.)CDMA2000: Enabling the convergence of next generation wireless CDMA2000: Enabling the convergence of next generation wireless servicesservices

www.cdg.org

Key MessagesKey Messages• CDMA and OFDM are different different technologies with different capabilities

• CDMA2000® offers high-performance mobile broadband and voice services today and will continue to be enhanced to provide greater broadband speeds and voice capacity

• OFDM leverages wider-bandwidths up to 20 MHz to provide greater speed and capacity

• OFDM-based backhaul, broadcast and broadband networks will complement complement CDMA2000

• Augmenting CDMA2000 in high-teledensity areas and leveraging CDMA2000’s ubiquitous coverage with multimode devices to provide seamless continuity of services

• Global mass market adoption timing of wider-bandwidth OFDM-based solutions is uncertainuncertain

•• WiderWider--bandwidth bandwidth spectrum availability will drive OFDM-based network deployments• Mass market adoption of OFDM-based solutions will depend on ubiquitous coverageubiquitous coverage, lowlow--cost cost

handsethandset availability, VoIPVoIP replacing circuit-switch voice services and roamingroaming

• Meanwhile, EV-DO offers substantial longlong--term industry valueterm industry value by remaining the core technology driving most operators’ ARPUARPU well into the next decade

• CDMA2000 operators will be among the firstfirst enabled to augment their networks with wider-bandwidth OFDM-based solutions

• CDMA2000 WorldModeWorldModeTMTM devices will enable this competitive advantage• CDMA2000 networks will be interoperableinteroperable with OFDM-based radio technologies• No need to deploy GSM or UMTS to obtain this advantage

Notes: 1. OFDM is the air interface used by WLAN, mobile broadcast and next-generation mobile broadband technologies (LTE, UMB, etc.)2. 4G will be defined by the ITU-R as a result of the IMT.Advanced standardization effort.