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CDMA2000 v.s. WCDMA

     Paul Chow, Ph.D.
 Network Technology, APBW
          2004/3/9
Introduction of APBW
Establishment
      November, 2001
      Obtained CDMA2000 license E in February, 2002
      Commercial Launched on 07/29/2003
Vision
      First 3G operator in Taiwan
                                                        Customer’s
      Most valuable mobile service provider
      Innovation, Quality, Efficiency
                                                         1st Choice
Objectives
     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
Asia Pacific Telecom Group

                   Asia Pacific Telecom Group
                   Asia Pacific Telecom Group


        EBT
        EBT                         APOL
                                    APOL                          APBW
                                                                  APBW


                          • Broadband Internet
                          • Broadband Internet
                            Access
                            Access
• Voice Services
• Voice Services                                      •Broadband Wireless
                                                      •Broadband Wireless
                          • IDC
                          • IDC
                          • Value-Added               -Basic Services
                                                      -Basic Services
• Data Services
• Data Services           • Value-Added
                            Applications and
                            Applications and          -Value-added
                            Services
                            Services                  -Value-added
• Lease Line
• Lease Line                                           Services
                                                       Services
                          • Integrated Enterprise
                          • Integrated Enterprise
                            Networks
                            Networks




           Operations Support Systems with Synergy of
           Operations Support Systems with Synergy of
      Networks, Multiple Technologies, Discipline, and Human Resources
      Networks, Multiple Technologies, Discipline, and Human Resources
Advanced Technology—Evolution of CDMA Network Standard




                GPRS/64K
                GPRS/64K
                PHS/32-64K
                PHS/32-64K
     WAP/9.6K
     WAP/9.6K                Competition for Mobile
                             Network Transmission Rate
3G Impact to Live Style
Enlarge mobile broadband applications much beyond 2G’s capability
     •Rich Content               •High Data Rate                  •User Friendly
                           Voice Services     Multimedia
                                             Entertainment
        Internet Access
                                                         Information Services




                                                                  Vehicle Location /
                                                                  Navigation Services

  Teleworking


        Extended Roaming
                                                            On-Line Scheduler


                         On-Demand           Transactions
                      News and Information
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
                                   87.6Million

                                   W-CDMA
                                   3.01Million

   CDMA 2000 vs W-CDMA
Worldwide Mobile Status
Successful Story in Asia
Technical Aspect
IS95 & 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
                   South Korea Subscribers as of Nov, 2003
         Type              Sub. (m)        SKT           KTF        LGT
 Total Mobile                33.4          18.2              10.4   4.8
 CDMA2000 1X                 24.2          14.0              7.2    3.0
 CDMA2000 1X (%)            72.5%         77.5%          68%        62%

 SKT: CDMA2000 1X, ARPU =US$48 is double to 2G
 SKT: ARPU CAGR = 7%, Data growth rate = 50%
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
IMT-2000 standards

          CDMA                     TDMA         FDMA


IMT-DS       IMT-MC       IMT-TC      IMT-SC      IMT-FT
 Direct        Multi       Time        Single   Frequency
Spread        Carrier      Code       Carrier      Time

W-CDMA      1xRTT       UTRA-TDD      EDGE       DECT
            1xEV-DO     TD-SCDMA

HSDPA       1xEV-DV      HSDPA


            cdma2000                  GERAN



    FDD      UMTS        TDD

                                                  Source: ITU
3G Evolution paths

                                          UMTS
                                          UMTS
PDC
PDC
                      TD-(S)CDMA
                       TD-(S)CDMA
                                       HSDPA
                                       HSDPA
GSM      GPRS             W-CDMA
                          W-CDMA
GSM      GPRS


                                                  3G
TDMA
 TDMA                 EDGE
                      EDGE


                                         cdma2000
                                         cdma2000
IS-95
 IS-95           1xRTT
                  1xRTT                1xEV-DV
                                        1xEV-DV

                            1xEV-DO
                             1xEV-DO
System performance comparison
Differences between W-CDMA and cdma2000

                               W-CDMA                   cdma2000 (1x / 1xEV-DO)

Bandwidth                          5 MHz                            1.25 MHz

Chip rate                        3.84 Mcps                         1.2288 Mcps

Power control                                           1xRTT:        800 Hz up/down
                             1500 Hz up/down
frequency                                               1xEV-DO:      no DL PC
Base station
                                Not needed                         Yes, via GPS
synchronization
                         3-step approach via primary,    Sync through time-shifted short
Cell search
                      secondary search code and CPICH           code correlation
                          CDM common (CPICH)            1xRTT:        CDM common
Downlink Pilot
                        TDM dedicated (bits in DPCH)    1xEV-DO:      TDM common
                                                        1xRTT:        CDM
User separation         CDM / TDM (shared channel)
                                                        1xEV-DO:      TDM (scheduler)
                            GSM-UMTS handover             1xRTT backward compatible
2G interoperability
                           (Multi-mode terminals)               (1xEV-DO not)
3G 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

                       cdma2000 vs. UMTS Coverage
                           (suburban environment)

                                   4.8
                 5

                 4
    km or km^2




                 3
                           1.43
                 2                                             1.2
                                                        0.72
                 1

                 0
                     cdma2000 (800 MHz)                UMTS

                               cell radius   site coverage
Issues

Standard
Chipset
Terminal Development
Applications
Inter-operability
Roaming
Cdma2000 vs wcdma

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Cdma2000 vs wcdma

  • 1. CDMA2000 v.s. WCDMA Paul Chow, Ph.D. Network Technology, APBW 2004/3/9
  • 2. Introduction of APBW Establishment November, 2001 Obtained CDMA2000 license E in February, 2002 Commercial Launched on 07/29/2003 Vision First 3G operator in Taiwan Customer’s Most valuable mobile service provider Innovation, Quality, Efficiency 1st Choice Objectives 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
  • 3. Asia Pacific Telecom Group Asia Pacific Telecom Group Asia Pacific Telecom Group EBT EBT APOL APOL APBW APBW • Broadband Internet • Broadband Internet Access Access • Voice Services • Voice Services •Broadband Wireless •Broadband Wireless • IDC • IDC • Value-Added -Basic Services -Basic Services • Data Services • Data Services • Value-Added Applications and Applications and -Value-added Services Services -Value-added • Lease Line • Lease Line Services Services • Integrated Enterprise • Integrated Enterprise Networks Networks Operations Support Systems with Synergy of Operations Support Systems with Synergy of Networks, Multiple Technologies, Discipline, and Human Resources Networks, Multiple Technologies, Discipline, and Human Resources
  • 4. Advanced Technology—Evolution of CDMA Network Standard GPRS/64K GPRS/64K PHS/32-64K PHS/32-64K WAP/9.6K WAP/9.6K Competition for Mobile Network Transmission Rate
  • 5. 3G Impact to Live Style Enlarge mobile broadband applications much beyond 2G’s capability •Rich Content •High Data Rate •User Friendly Voice Services Multimedia Entertainment Internet Access Information Services Vehicle Location / Navigation Services Teleworking Extended Roaming On-Line Scheduler On-Demand Transactions News and Information
  • 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 87.6Million W-CDMA 3.01Million CDMA 2000 vs W-CDMA
  • 11. Worldwide Mobile Status Successful Story in Asia Technical Aspect
  • 12. IS95 & 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 South Korea Subscribers as of Nov, 2003 Type Sub. (m) SKT KTF LGT Total Mobile 33.4 18.2 10.4 4.8 CDMA2000 1X 24.2 14.0 7.2 3.0 CDMA2000 1X (%) 72.5% 77.5% 68% 62% SKT: CDMA2000 1X, ARPU =US$48 is double to 2G SKT: ARPU CAGR = 7%, Data growth rate = 50%
  • 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. IMT-2000 standards CDMA TDMA FDMA IMT-DS IMT-MC IMT-TC IMT-SC IMT-FT Direct Multi Time Single Frequency Spread Carrier Code Carrier Time W-CDMA 1xRTT UTRA-TDD EDGE DECT 1xEV-DO TD-SCDMA HSDPA 1xEV-DV HSDPA cdma2000 GERAN FDD UMTS TDD Source: ITU
  • 17. 3G Evolution paths UMTS UMTS PDC PDC TD-(S)CDMA TD-(S)CDMA HSDPA HSDPA GSM GPRS W-CDMA W-CDMA GSM GPRS 3G TDMA TDMA EDGE EDGE cdma2000 cdma2000 IS-95 IS-95 1xRTT 1xRTT 1xEV-DV 1xEV-DV 1xEV-DO 1xEV-DO
  • 18. System performance comparison Differences between W-CDMA and cdma2000 W-CDMA cdma2000 (1x / 1xEV-DO) Bandwidth 5 MHz 1.25 MHz Chip rate 3.84 Mcps 1.2288 Mcps Power control 1xRTT: 800 Hz up/down 1500 Hz up/down frequency 1xEV-DO: no DL PC Base station Not needed Yes, via GPS synchronization 3-step approach via primary, Sync through time-shifted short Cell search secondary search code and CPICH code correlation CDM common (CPICH) 1xRTT: CDM common Downlink Pilot TDM dedicated (bits in DPCH) 1xEV-DO: TDM common 1xRTT: CDM User separation CDM / TDM (shared channel) 1xEV-DO: TDM (scheduler) GSM-UMTS handover 1xRTT backward compatible 2G interoperability (Multi-mode terminals) (1xEV-DO not)
  • 19. 3G 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 cdma2000 vs. UMTS Coverage (suburban environment) 4.8 5 4 km or km^2 3 1.43 2 1.2 0.72 1 0 cdma2000 (800 MHz) UMTS cell radius site coverage