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CDMA2000 v.s. WCDMA
Paul Chow, Ph.D.
Network Technology, APBW
2004/3/9
Introduction of APBW
First 3G operator in Taiwan
Most valuable mobile service provider
Innovation, Quality, Efficiency
November, 2001
Obtained CDMA2000 license E in February, 2002
Commercial Launched on 07/29/2003
Establishment
Vision
Integrate voice, data, video and media content
Form strategic alliance with global renown telecoms to gain
regional competitive advantage
Become the most efficient broadband service provider
delivering fix line, cable, internet and mobile communications
Objectives
Customer’s
1st Choice
Asia Pacific Telecom Group
Asia Pacific Telecom GroupAsia Pacific Telecom GroupAsia Pacific Telecom Group
APOLAPOL
Operations Support Systems with Synergy of
Networks, Multiple Technologies, Discipline, and Human Resources
Operations Support Systems with Synergy of
Networks, Multiple Technologies, Discipline, and Human Resources
•Broadband Wireless
-Basic Services
-Value-added
Services
•Broadband Wireless
-Basic Services
-Value-added
Services
•Broadband Internet
Access
•IDC
•Value-Added
Applications and
Services
•Integrated Enterprise
Networks
•Broadband Internet
Access
•IDC
•Value-Added
Applications and
Services
•Integrated Enterprise
Networks
• Voice Services
• Data Services
• Lease Line
• Voice Services
• Data Services
• Lease Line
EBTEBT APBWAPBW
Advanced Technology—Evolution of CDMA Network Standard
WAP/9.6KWAP/9.6K
PHS/32-64KPHS/32-64K
Competition for Mobile
Network Transmission Rate
GPRS/64KGPRS/64K
3G Impact to Live Style
Enlarge mobile broadband applications much beyond 2G’s capability
Information Services
Transactions
On-Line Scheduler
Vehicle Location /
Navigation Services
On-Demand
News and Information
Extended Roaming
Teleworking
Internet Access
Voice Services Multimedia
Entertainment
•User Friendly•High Data Rate•Rich Content
Integrated Product—Various 3G Handsets
The specification of CDMA handsets includes High-resolution, passive Matrix Color
Display, multi Polyphonic ringing tones, external or integrated digital camera, Caller
ID in one or even double screen. Besides, you can capture the moment with the
integrated camera and then send your best shots via MMS.
Handsets that support GPS can provide accurate location information.
The manufacturers for CDMA handsets are a lot, e.g. Benq, Samsung, MOTO, LG,
Sanyo, Sony, Casio…etc. Consumers can get what they need in the market.
APBW Services
Quality Multimedia Access
Are You Cute Today ?
Worldwide Mobile Status
Successful Story in Asia
Technical Aspect
Worldwide Mobile Status as of Jan, 2004
GSM 987.3 million
CDMA2000 1x 82.1 million
CDMA2000 EV-DO 5.53 million
WCDMA/UMTS 3.01 million
Source:
• GSM MoU http://www.gsmworld.com
• 3G today http://www.3gtoday.com
Worldwide 3G Market Status as of Jan, 2004
CDMA 2000 vs W-CDMA
CDMA 2000
87.6Million
W-CDMA
3.01Million
Worldwide Mobile Status
Successful Story in Asia
Technical Aspect
IS95 & CDMA2000 deploymentsIS95 & CDMA2000 deployments
CDMA2000 is currently continuously spreading out
There are about 18 commercial 3G CDMA2000 networks today
CDMA2000 Success Story in Korea as of Nov, 2003
SKT: CDMA2000 1X, ARPU =US$48 is double to 2G
SKT: ARPU CAGR = 7%, Data growth rate = 50%
62%68%77.5%72.5%CDMA2000 1X (%)
3.07.214.024.2CDMA2000 1X
4.810.418.233.4Total Mobile
LGTKTFSKTSub. (m)Type
South Korea Subscribers as of Nov, 2003
CDMA2000 Success Story in Japan as of Nov, 2003
Total 3G sub. in Japan in Nov, 2003 = 12.9M
KDDI (CDMA2000 1X) 3G user = 11.2M,
DoCoMo (WCDMA) user = 1.3M
KDDI 3G ARPU is more than 25% to 2G, Data ARPU is 2 to 3 times than 2G
Remark: China Unicom CDMA user = 15.8M
China Unicom GSM ARPU=RMB 67
CDMA ARPU=RMB 172
Worldwide Mobile Status
Successful Story in Asia
Technical Aspect
IMTIMT--2000 standards2000 standards
CDMA TDMA FDMA
IMT-DS
Direct
Spread
IMT-MC
Multi
Carrier
IMT-TC
Time
Code
IMT-SC
Single
Carrier
IMT-FT
Frequency
Time
EDGE
Source: ITU
FDD TDD
TD-SCDMA
1xRTT
1xEV-DO
W-CDMA
1xEV-DV HSDPAHSDPA
cdma2000 GERAN
UTRA-TDD DECT
UMTS
33G Evolution pathsG Evolution paths
cdma2000cdma2000
UMTSUMTS
GSMGSM GPRSGPRS
EDGEEDGE
W-CDMAW-CDMA
1xRTT1xRTT
1xEV-DO1xEV-DO
1xEV-DV1xEV-DV
TDMATDMA
TD-(S)CDMATD-(S)CDMA
HSDPAHSDPA
3G
PDCPDC
IS-95IS-95
System performance comparisonSystem performance comparison
W-CDMA cdma2000 (1x / 1xEV-DO)
Bandwidth 5 MHz 1.25 MHz
Chip rate 3.84 Mcps 1.2288 Mcps
Power control
frequency
1500 Hz up/down
1xRTT: 800 Hz up/down
1xEV-DO: no DL PC
Base station
synchronization
Not needed Yes, via GPS
Cell search
3-step approach via primary,
secondary search code and CPICH
Sync through time-shifted short
code correlation
Downlink Pilot
CDM common (CPICH)
TDM dedicated (bits in DPCH)
1xRTT: CDM common
1xEV-DO: TDM common
User separation CDM / TDM (shared channel)
1xRTT: CDM
1xEV-DO: TDM (scheduler)
2G interoperability
GSM-UMTS handover
(Multi-mode terminals)
1xRTT backward compatible
(1xEV-DO not)
Differences between W-CDMA and cdma2000
33G Coverage in TaiwanG Coverage in Taiwan
CDMA2000 works in 800MHz and UMTS(WCDMA) works in 2.1GHz
CDMA2000 BTS covers larger area
CDMA2000 BTS quantity can be less than UMTS(WCDMA) with same quality
Data Rate
- CDMA 2000 1x EV-DO is up to 2.4Mbps by E2004
- WCMDA is only 384Kbps by E2004
1.43
4.8
0.72
1.2
0
1
2
3
4
5
kmorkm^2
cdma2000 (800 MHz) UMTS
cdma2000 vs. UMTS Coverage
(suburban environment)
cell radius site coverage
IssuesIssues
Standard
Chipset
Terminal Development
Applications
Inter-operability
Roaming
CDMA

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CDMA

  • 1. CDMA2000 v.s. WCDMA Paul Chow, Ph.D. Network Technology, APBW 2004/3/9
  • 2. Introduction of APBW First 3G operator in Taiwan Most valuable mobile service provider Innovation, Quality, Efficiency November, 2001 Obtained CDMA2000 license E in February, 2002 Commercial Launched on 07/29/2003 Establishment Vision Integrate voice, data, video and media content Form strategic alliance with global renown telecoms to gain regional competitive advantage Become the most efficient broadband service provider delivering fix line, cable, internet and mobile communications Objectives Customer’s 1st Choice
  • 3. Asia Pacific Telecom Group Asia Pacific Telecom GroupAsia Pacific Telecom GroupAsia Pacific Telecom Group APOLAPOL Operations Support Systems with Synergy of Networks, Multiple Technologies, Discipline, and Human Resources Operations Support Systems with Synergy of Networks, Multiple Technologies, Discipline, and Human Resources •Broadband Wireless -Basic Services -Value-added Services •Broadband Wireless -Basic Services -Value-added Services •Broadband Internet Access •IDC •Value-Added Applications and Services •Integrated Enterprise Networks •Broadband Internet Access •IDC •Value-Added Applications and Services •Integrated Enterprise Networks • Voice Services • Data Services • Lease Line • Voice Services • Data Services • Lease Line EBTEBT APBWAPBW
  • 4. Advanced Technology—Evolution of CDMA Network Standard WAP/9.6KWAP/9.6K PHS/32-64KPHS/32-64K Competition for Mobile Network Transmission Rate GPRS/64KGPRS/64K
  • 5. 3G Impact to Live Style Enlarge mobile broadband applications much beyond 2G’s capability Information Services Transactions On-Line Scheduler Vehicle Location / Navigation Services On-Demand News and Information Extended Roaming Teleworking Internet Access Voice Services Multimedia Entertainment •User Friendly•High Data Rate•Rich Content
  • 6. Integrated Product—Various 3G Handsets The specification of CDMA handsets includes High-resolution, passive Matrix Color Display, multi Polyphonic ringing tones, external or integrated digital camera, Caller ID in one or even double screen. Besides, you can capture the moment with the integrated camera and then send your best shots via MMS. Handsets that support GPS can provide accurate location information. The manufacturers for CDMA handsets are a lot, e.g. Benq, Samsung, MOTO, LG, Sanyo, Sony, Casio…etc. Consumers can get what they need in the market.
  • 7. APBW Services Quality Multimedia Access Are You Cute Today ?
  • 8. Worldwide Mobile Status Successful Story in Asia Technical Aspect
  • 9. Worldwide Mobile Status as of Jan, 2004 GSM 987.3 million CDMA2000 1x 82.1 million CDMA2000 EV-DO 5.53 million WCDMA/UMTS 3.01 million Source: • GSM MoU http://www.gsmworld.com • 3G today http://www.3gtoday.com
  • 10. Worldwide 3G Market Status as of Jan, 2004 CDMA 2000 vs W-CDMA CDMA 2000 87.6Million W-CDMA 3.01Million
  • 11. Worldwide Mobile Status Successful Story in Asia Technical Aspect
  • 12. IS95 & CDMA2000 deploymentsIS95 & CDMA2000 deployments CDMA2000 is currently continuously spreading out There are about 18 commercial 3G CDMA2000 networks today
  • 13. CDMA2000 Success Story in Korea as of Nov, 2003 SKT: CDMA2000 1X, ARPU =US$48 is double to 2G SKT: ARPU CAGR = 7%, Data growth rate = 50% 62%68%77.5%72.5%CDMA2000 1X (%) 3.07.214.024.2CDMA2000 1X 4.810.418.233.4Total Mobile LGTKTFSKTSub. (m)Type South Korea Subscribers as of Nov, 2003
  • 14. CDMA2000 Success Story in Japan as of Nov, 2003 Total 3G sub. in Japan in Nov, 2003 = 12.9M KDDI (CDMA2000 1X) 3G user = 11.2M, DoCoMo (WCDMA) user = 1.3M KDDI 3G ARPU is more than 25% to 2G, Data ARPU is 2 to 3 times than 2G Remark: China Unicom CDMA user = 15.8M China Unicom GSM ARPU=RMB 67 CDMA ARPU=RMB 172
  • 15. Worldwide Mobile Status Successful Story in Asia Technical Aspect
  • 16. IMTIMT--2000 standards2000 standards CDMA TDMA FDMA IMT-DS Direct Spread IMT-MC Multi Carrier IMT-TC Time Code IMT-SC Single Carrier IMT-FT Frequency Time EDGE Source: ITU FDD TDD TD-SCDMA 1xRTT 1xEV-DO W-CDMA 1xEV-DV HSDPAHSDPA cdma2000 GERAN UTRA-TDD DECT UMTS
  • 17. 33G Evolution pathsG Evolution paths cdma2000cdma2000 UMTSUMTS GSMGSM GPRSGPRS EDGEEDGE W-CDMAW-CDMA 1xRTT1xRTT 1xEV-DO1xEV-DO 1xEV-DV1xEV-DV TDMATDMA TD-(S)CDMATD-(S)CDMA HSDPAHSDPA 3G PDCPDC IS-95IS-95
  • 18. System performance comparisonSystem performance comparison W-CDMA cdma2000 (1x / 1xEV-DO) Bandwidth 5 MHz 1.25 MHz Chip rate 3.84 Mcps 1.2288 Mcps Power control frequency 1500 Hz up/down 1xRTT: 800 Hz up/down 1xEV-DO: no DL PC Base station synchronization Not needed Yes, via GPS Cell search 3-step approach via primary, secondary search code and CPICH Sync through time-shifted short code correlation Downlink Pilot CDM common (CPICH) TDM dedicated (bits in DPCH) 1xRTT: CDM common 1xEV-DO: TDM common User separation CDM / TDM (shared channel) 1xRTT: CDM 1xEV-DO: TDM (scheduler) 2G interoperability GSM-UMTS handover (Multi-mode terminals) 1xRTT backward compatible (1xEV-DO not) Differences between W-CDMA and cdma2000
  • 19. 33G Coverage in TaiwanG Coverage in Taiwan CDMA2000 works in 800MHz and UMTS(WCDMA) works in 2.1GHz CDMA2000 BTS covers larger area CDMA2000 BTS quantity can be less than UMTS(WCDMA) with same quality Data Rate - CDMA 2000 1x EV-DO is up to 2.4Mbps by E2004 - WCMDA is only 384Kbps by E2004 1.43 4.8 0.72 1.2 0 1 2 3 4 5 kmorkm^2 cdma2000 (800 MHz) UMTS cdma2000 vs. UMTS Coverage (suburban environment) cell radius site coverage