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December 3, 2001 Slide 1 of 22GSA Seminar Brazil 2001
Ericsson
The TDMA Roadmap to 3G using GSM
ByStefan JelvinMarket StrategyEricsson Radio Systems AB
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December 3, 2001 Slide 2 of 22GSA Seminar Brazil 2001
Ericsson
! Market overview! TDMA to GSM migration
- Strategies- Solutions
! GSM-WCDMA evolution- Seamless network
Outline
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December 3, 2001 Slide 3 of 22GSA Seminar Brazil 2001
Ericsson
World-wide trends
20021999 2000 2001 20052003 2004
MobileInternet
FixedInternet
Mobile
Million Subscribers
Fixed
1600
1400
1000
800
600
400
200
1200
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December 3, 2001 Slide 4 of 22GSA Seminar Brazil 2001
Ericsson
GSM-WCDMAThe 3G path of choice
SIMcardSIMcard
Economiesof scale
Economiesof scale
Choice ofhandsetsChoice ofhandsets
Internationalroaming
Internationalroaming
GlobalnetworksGlobal
networksTTM
advantagesTTM
advantages
SMSMMSSMSMMS
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December 3, 2001 Slide 5 of 22GSA Seminar Brazil 2001
Ericsson
TDMA to GSM migrationStrategies
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December 3, 2001 Slide 6 of 22GSA Seminar Brazil 2001
Ericsson
Many combinations - Same fundamentals
TDMA 850TDMA 1900
GSM 1900
GSM 800GSM 1800
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December 3, 2001 Slide 7 of 22GSA Seminar Brazil 2001
Ericsson
Factors impacting migration strategies
Data marketmaturity
Data marketmaturity
CompetitionCompetition
First tomarketFirst tomarket
GlobalstrategyGlobal
strategy
HandsetspecificsHandsetspecifics
FinancialsituationFinancialsituation
TDMAnetwork size
TDMAnetwork size
SpectrumavailabilitySpectrumavailability
PerceptionTDMA/otherPerception
TDMA/other
ProductavailabilityProduct
availability
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December 3, 2001 Slide 8 of 22GSA Seminar Brazil 2001
Ericsson
Migration strategies
! Future Introduction- Deploy GSM/GPRS after 1-2 years
! Parallel Existence- TDMA and GSM/GPRS networks grown and marketedin parallel for next 1-4 years (or more)
! Aggressive Deployment- Within 1-3 years of launching GSM/GPRS services,most TDMA subscribers will be migrated
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December 3, 2001 Slide 9 of 22GSA Seminar Brazil 2001
Ericsson
3 consecutive migration phasesTDMA & GSM subscriber base growth
Subs
crib
ers
TimeIIII II
TDMA TDMA + GSM/GPRS/EDGE
GSMcommercial launch
GSMfully deployed
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December 3, 2001 Slide 10 of 22GSA Seminar Brazil 2001
Ericsson
TDMA to GSM migration Solutions
Radio base station co-sitingCoverage/roamingSpectrum optimizationSubscriber migration
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December 3, 2001 Slide 11 of 22GSA Seminar Brazil 2001
Ericsson
TDMA to GSM migrationRBS Co-siting
TDMA 850
GSM 800 or 1800 or 1900
Matching coverage
Sites, towersFeedersAntennas- if “same” frequencyTransmissionPowerCooling
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December 3, 2001 Slide 12 of 22GSA Seminar Brazil 2001
Ericsson
TDMA to GSM migrationCoverage/Roaming
GSM
Terminal (GAIT)SubscriptionDirectory number1
Mobility Gateway
TerminalsSubscriptionDirectory number1
2
TDMA
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December 3, 2001 Slide 13 of 22GSA Seminar Brazil 2001
Ericsson
TDMA to GSM migration Spectrum optimization
! Moving from AMPS to TDMA
! Frequency reuse patterns- 7/21 to 5/15- 5/15 to 4/12- up 90% capacity gain
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December 3, 2001 Slide 14 of 22GSA Seminar Brazil 2001
Ericsson
TDMA to GSM migrationSubscriber migration
FlexibleNumberRegister
Mobile Number Migration
End-user migrates to GSM network keeping same (TDMA) directory number
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December 3, 2001 Slide 15 of 22GSA Seminar Brazil 2001
Ericsson
GSM-WCDMA evolution
The Seamless Network
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December 3, 2001 Slide 16 of 22GSA Seminar Brazil 2001
Ericsson
Entering the 3G era with GSM - Revolutions?
cdmaOne CDMA 20001X
CDMA 20001XEV
PDC
GSM
TDMA
GPRS
WCDMA
EDGE
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December 3, 2001 Slide 17 of 22GSA Seminar Brazil 2001
Ericsson
Entering the 3G era with GSM - Evolutions!
GSM GPRS
WCDMA
EDGE
IP
WCDMAGSM• GPRS• EDGE
GSM• GPRS• EDGE
GSM• GPRS
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December 3, 2001 Slide 18 of 22GSA Seminar Brazil 2001
Ericsson
GSMCore Network
GSMRadio AccessGSMRadio Access
GSMCore Network
GPRS
GSMRadio AccessGSMRadio Access
GPRS
/EDGE
EDGE - Introducing 3GGSM/GPRS 800/900/1800/1900
! 3G services in GSM spectrum
! GPRS capacity x3! Rapid coverage
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December 3, 2001 Slide 19 of 22GSA Seminar Brazil 2001
Ericsson
GSMCore Network
GSMRadio AccessGSMRadio Access
GSMCore Network
GPRS
GSMRadio AccessGSMRadio Access
GPRS
/WCDMA
WCDMARadio Access
! More capacity (voice and data)! Higher data rates! Multiple sessions
/EDGE
WCDMA - Expanding 3G 2 GHz (1.9-2.1) or other
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December 3, 2001 Slide 20 of 22GSA Seminar Brazil 2001
Ericsson
ConnectivityControl
ApplicationsThe seamless network
BSC
WCDMARBS
GSMRBS
All packet (IP/ATM) transmission
One combined radio resourceSpectrum efficiency gain
User service transparencySame Radio Access Bearer supported
Node re-useMSCs, GPRS, ….
Site sharing
Network Management
RNC
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December 3, 2001 Slide 21 of 22GSA Seminar Brazil 2001
Ericsson
3G Applications
3G is Mobile Internet, but also capacity and voice
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December 3, 2001 Slide 22 of 22GSA Seminar Brazil 2001
Ericsson
TDMA to 3G using GSM
! TDMA Roadmap- Continued success- Lower cost of operation- Solutions for migration
TDMA
GSM• GPRS
WCDMAGSM• GPRS• EDGE
GSM• GPRS• EDGE
! 3G Evolution- A seamless network