CDMA Data Network & Servicesof SK Telecom
16 October 2003
Wonsuk Chung
Network R&D Center, SK Telecom
Introduction
CDMA2000 1X & 1xEV-DO Network
Wireless Internet Trends
Evolution Perspective
Conclusion
Table of Contents
EstablishedWorld’s first commercial CDMA cellular service launchedHandset-based wireless Internet service (n.Top) launchedWorld’s first commercial CDMA2000 1X service launched3G (W-CDMA) license awarded as the top winnerIntegrated multi-access Internet portal (NATE) launchedWorld’s first CDMA2000 1xEV-DO service launched
PioneeringHistory
Mar 1984
Jan 1996
Oct 1999
Oct 2000
Dec 2000
Oct 2001
Feb 2002
Rapid Subscriber Growth Strong Market Leadership
5922,299 3,008
1,5625,400
566
10,11011,270
15,179
17,743
-
3,000
6,000
9,000
12,000
15,000
18,000
`96 `97 `98 `99 `00 `01 `03 2QCDMA AMPS
Subs (thousand)
CDMALaunch AMPS
Termination
STIAcquisition
53.65352.552.3
51.050.649.7
Jun`01
Aug`01
Oct`01
Dec`01
Jan`02
Jun`02
Jun`03
Unit : %
[SKT’s M/S in Korea cellular market]
IntroductionSK Telecom,
Pioneering CDMA Leader
3G1G 2G
9.6
64
0
128
144
384
2,000Video StreamingVideo Streaming
Dat
a Tr
ansm
issi
on S
peed
-kb
ps
VoiceVoice
Text MessagingText Messaging
E-Newspaper
Video Telephony
VoiceMail
Fax
Video Mail
Telephone(Voice)
WCDMAWCDMA11xEVxEV--DODOCDMA ISCDMA IS--9595 CDMA2000 1X
Jan`96 : 95AAug`99 : 95B October `00 February `02 `03 onward
AMPSAMPS
May `84
Network & Service Evolution
Mobile Research
VOD
Mobile Advertising
Digital Image
Mobile TV
M-Coupon M-Commerce
E-Book
SKT offers a variety of multimedia services through the most advanced network and plans to enhance service offerings in line with further network evolution
Audio StreamingAudio StreamingStill ImageStill Image
Location-Based
Introduction
CDMA2000 1X & 1xEV-DO Network
MSC/VLRMSC/VLR CGSCGS
IP PhoneIP PhoneInternetInternet
IP Fax IP Fax
PDSNPDSN
HAHA
RADIUSRADIUSServerServer
Gateway Gateway RouterRouter
IWFIWF
ANAN--AAAAAA
GW KeeperGW KeeperSCNSCN
1xEV1xEV1xEV1xEV1xEV1xEV1xEV1xEV--------DO + 1X DO + 1X DO + 1X DO + 1X DO + 1X DO + 1X DO + 1X DO + 1X Data NetworkData NetworkData NetworkData NetworkData NetworkData NetworkData NetworkData Network
BTS/ANTSBTS/ANTS
IPIPSS7SS7
PSTNPSTN
BSC/ANCBSC/ANC
ATATNotebookNotebook
BSC/ANCBSC/ANC
SMCSMCSMCHLRHLRHLR
SCPSCPSCP
Video PhoneVideo Phone
PDAPDA
CDMA2000 1X CDMA2000 1X CDMA2000 1X CDMA2000 1X CDMA2000 1X CDMA2000 1X CDMA2000 1X CDMA2000 1X Voice NetworkVoice NetworkVoice NetworkVoice NetworkVoice NetworkVoice NetworkVoice NetworkVoice Network
VMSVMS
BTS/ANTSBTS/ANTS
BTS/ANTSBTS/ANTS
Network Configuration
Type ServiceLaunching
No. of Subs(’03.2Q)
Max Data Rate (bps)
Coverage(’03.2Q)
1X Oct ’00 12.4 mil.153.6K 81 Cities
1xEV-DO Feb ’02 1.43 mil.2.4M 26 Cities
’01 1X’02 1X
인천공항인천공항인천공항인천공항
영월영월영월영월
서울서울서울서울인천인천인천인천
수도권수도권수도권수도권
대전대전대전대전
광주광주광주광주 부산부산부산부산김해김해김해김해
울산울산울산울산
대구대구대구대구경산경산경산경산
포항포항포항포항
경주경주경주경주
영천영천영천영천
구미구미구미구미김천김천김천김천
상주상주상주상주
문경문경문경문경
영주영주영주영주
안동안동안동안동
양산양산양산양산밀양밀양밀양밀양
창원창원창원창원
진해진해진해진해
마산마산마산마산
거제거제거제거제
통영통영통영통영
사천사천사천사천
진주진주진주진주광양광양광양광양
여수여수여수여수
순천순천순천순천나주나주나주나주
목포목포목포목포
제주제주제주제주
서귀포서귀포서귀포서귀포
정읍정읍정읍정읍
남원남원남원남원
김제김제김제김제 전주전주전주전주
익산익산익산익산군산군산군산군산
논산논산논산논산
보령보령보령보령
서산서산서산서산 아산아산아산아산천안천안천안천안
공주공주공주공주청주청주청주청주
충주충주충주충주
제천제천제천제천 태백태백태백태백
삼척삼척삼척삼척동해동해동해동해
강릉강릉강릉강릉
속초속초속초속초
춘천춘천춘천춘천
원주원주원주원주
평택평택평택평택
용인용인용인용인
안성안성안성안성
이천이천이천이천오산오산오산오산
화성화성화성화성광주광주광주광주
남양주남양주남양주남양주
동두천동두천동두천동두천파주파주파주파주
김포김포김포김포인천공항인천공항인천공항인천공항
영월영월영월영월
서울서울서울서울인천인천인천인천
수도권수도권수도권수도권
대전대전대전대전
광주광주광주광주 부산부산부산부산김해김해김해김해
울산울산울산울산
대구대구대구대구경산경산경산경산
포항포항포항포항
경주경주경주경주
영천영천영천영천
구미구미구미구미김천김천김천김천
상주상주상주상주
문경문경문경문경
영주영주영주영주
안동안동안동안동
양산양산양산양산밀양밀양밀양밀양
창원창원창원창원
진해진해진해진해
마산마산마산마산
거제거제거제거제
통영통영통영통영
사천사천사천사천
진주진주진주진주광양광양광양광양
여수여수여수여수
순천순천순천순천나주나주나주나주
목포목포목포목포
제주제주제주제주
서귀포서귀포서귀포서귀포
정읍정읍정읍정읍
남원남원남원남원
김제김제김제김제 전주전주전주전주
익산익산익산익산군산군산군산군산
논산논산논산논산
보령보령보령보령
서산서산서산서산 아산아산아산아산천안천안천안천안
공주공주공주공주청주청주청주청주
충주충주충주충주
제천제천제천제천 태백태백태백태백
삼척삼척삼척삼척동해동해동해동해
강릉강릉강릉강릉
속초속초속초속초
춘천춘천춘천춘천
원주원주원주원주
평택평택평택평택
용인용인용인용인
안성안성안성안성
이천이천이천이천오산오산오산오산
화성화성화성화성광주광주광주광주
남양주남양주남양주남양주
동두천동두천동두천동두천파주파주파주파주
김포김포김포김포
’02 1xEV-DO
PopCoverage
85%
50%
CDMA2000 1X & 1xEV-DO Network
Network Coverage
CDMA2000 1X & 1xEV-DO Network
CategoryCategory
1 UserMax
Speed
Physical
Application
DataApplicationThroughput
Fixed Point
Moving
CDMA2000 1XCDMA2000 1X
153 kbps
105 kbps
280 kbps
200 kbps
1xEV1xEV--DO DO
2457 kbps
1859 kbps
700 kbps
340 kbps
Performance of 1X & 1xEV-DO
CDMA2000 1X & 1xEV-DO Network
Jan ’02 PCMCIA Card
• 1xEV-DO wireless modem for Internet access• Standard PCMCIA Type II Form Factor and Interface• Supporting Windows 98, ME, 2000, XP, CE • Backward compatibility with CDMA2000 1X
Aug ’02 VOD handset
Camera
• Real time video streaming & downloading MPEG files• Recording still images & video clips• 265,000 Color LCD / 40 Poly Sound / 350,000 Pixel Camera
June ’02 Dual-mode handset
• High speed WAP services using 1xEV-DO network• Receiving Voice Call during WAP services • 65,000 Color LCD / 40 Poly Sound / 350,000 Pixel Camera
Camera
1xEV-DO User Devices
CDMA2000 1X & 1xEV-DO Network
Connect the 1xEV-DO handsetto PC using a USB cable
Insert into the PCMCIA card slot of the expansion pack of a PDA
Insert directly into the PCMCIAcard slot of a notebook PC
Enhanced speed Internet access has been possible at anytime, anywhere
Internet Access using 1xEV-DO
CDMA2000 1X Market of Korea SKT’s CDMA2000 1X Subscriber
( ‘000 Handsets)
! CDMA2000 1X Subscriber base is rapidly growing in Korea
! SKT is the dominant player in CDMA2000 1X market in Korea with 60% market share
CDMA2000 1X Penetration
1X Proportionto Total Subs : 63 %
as of June 2003
1,2871,903
2,692
3,4874,181
5,108
10,318
20,792
1,000
2,000
3,000
4,000
5,000
10,000
Aug`
01Se
p`01
Oct̀01
Nov`
01Dec̀
01Ja
n`02
Jun`
02Ju
n.̀03
0.0%
5.0%
10.0%
15.0%
20.0%
30.0%
60.0%
Total 1X Subs 1X Proportion to total Cellular Subs
Aug`
01Se
p`01
Oct̀01
Nov`
01Dec̀
01Ja
n`02
Feb`
02
Jun`
02
Jun ̀
03
1,096
2,1341,563
2,7373,268
3,8434,412
6,669
SKT’s M/S in 1X Market : 60%as of June 2003
( ‘000 Handsets)12,375
Wireless Internet Trends
Content Usage PatternWireless Internet User Breakdown(1)
75%
19%19%19%19%
6%
26%
31%31%31%31%
43%
0%0%0%0%
20%20%20%20%
40%40%40%40%
60%60%60%60%
80%80%80%80%
100%100%100%100%
UserUserUserUser RevenueRevenueRevenueRevenueTrial Active Heavy
Source: SKT, as of July 2002(1) User classification defined as the following:
Trial Users: Access wireless Internet 1 - 9x per monthActive Users: Access wireless Internet 10 - 29x per monthHeavy Users: Access wireless Internet over 30x per month
Wireless Internet Trends
Wireless Internet Usage Patterns
Others
Broadcasting
Stocks & Banking
Cartoon/Humor
Adult
E-Lottery
Game
Mail & Chatting
RingTones andCharacters
Location/Traffic
(News, Photo, etc.) 7777
3333
3333
4444
4444
5555
9999
12121212
14141414
39393939
0000 10101010 20202020 30303030 40404040
Celebrity moving images
Animated moving images
Do-it-yourself images
" Based on SIS*(Simple Image Service) compression technology
" Moving images(3-5 frame/sec)" Features
- Picture downloads for screen saver (e.g., celebrity images, character images,graphical jokes, luck charms, etc.)
- Picture messaging service - Archive for storing previously downloaded content
- Drawing tool and bulletin board to makeand upload self-made images
- Available from both NATE.com andNATE on handset menu
" Fee- US$0.50 ~ $2.00 per download
" Number of content providers - 26 providers
Major Contents : Picture Downloads/Messaging
SIS * : Encoding & decoding solution that enables moving images
Wireless Internet Trends
Most Frequently Downloaded Songs (top 5)
" Features- Download ring tones from either NATE.com or NATE on handset portal - Send ring tones to other people’s handsets as a present with message- Diverse types of ring tones (songs, recorded voice, etc.) - Supports Single, 4, 16, 32 and 40 poly (sounds)
" Fee- USD $0.50 ~ $1.50
" Number of content providers - 24 providers
Major Contents : Ring Tones
Wireless Internet Trends
Wireless Internet Trends
MPEG4 Solution “June”
Mobile MovieMobile Movie
Video MailVideo Mail
Music VideoMusic Video
Real Time NewsReal Time News
서울 ▲98Km
부산 ▼96Km
Traffic InformationTraffic Information
Hot Key Hot Key
11111111xEVxEVxEVxEVxEVxEVxEVxEV--------DO High Quality Video using MPEG4DO High Quality Video using MPEG4DO High Quality Video using MPEG4DO High Quality Video using MPEG4DO High Quality Video using MPEG4DO High Quality Video using MPEG4DO High Quality Video using MPEG4DO High Quality Video using MPEG4
! CDMA2000 1X delivers superior Internet usage and ARPU performance ! Color handsets are one of the key ARPU drivers in 3G environment
Data ARPU by handset
1,351
2,916
5,462
9,726
SMS-based
2G WAP 1X WAP Color(1X)
(As of Jun. 2003)
* Wireless Internet Revenue by handset /# of active users (access Internet more than once per month)
Data usage by handset
US$ 8.1
US$ 1.2
Data ARPU
Wireless Internet Trends
* % of Total Revenues excludinginterconnection revenues
8%9%
10%
12%13%
15%
4,893 5,063
3,847
3,2902,736
1Q 02 2Q 02 3Q 02 4Q 02 1Q 03 2003 (E)
% of Total Revenues* WI ARPU
(WI ARPU in Won)
NorthAmerica
.Korea
Europe
Japan
All-IP- IP Protocol System
19951995 19991999 20002000 20012001 20022002 2003 +2003 +
• Voice Capa (x 2)• 384k ~ 2Mbps Data• IS-95A/B Compatible
IS-95-AIS-95-A IS-95-BIS-95-BCDMA2000 1X
(Korea, US, Japan)
CDMA2000 1X(Korea, US,
Japan)
1xEV-DO(Phase 1)1xEV-DO(Phase 1)
• Voice• 14.4 kbps circuit
• Voice• 64 kbps Data• IS-95ACompatible
• Voice Capa (x1.5)• 153 kbps Data• IS-95A/B Compatible
CDMA2000 3XCDMA2000 3X
1xEV-DV(Phase 2)1xEV-DV(Phase 2)
• Higher Cap Voice/ Data• 2.4 Mbps Data• IS-95A/B Compatible
• Voice• 28.8 kbps• PDC Compatible
PDCPDC
• Voice• 9.6 kbps
PDC+PDC+ W-CDMA(Japan)
W-CDMA(Japan)
IS-136IS-136 EDGE(Europe, US)
EDGE(Europe, US)
GSMGSM GSM GPRSGSM GPRS
• Voice• 9.6 kbps
W-CDMA(Europe, Korea)
W-CDMA(Europe, Korea)
• 30-40 kbps Packet• GSM Compatible
• 384 kbps Packet
• High Capacity Voice• 384+ kbps Packet
* EDGE: Enhanced Data for GSM EvolutionGPRS: General Packet Radio Service
! Operators are adopting different migration paths by region and country for 3G deployment
! Considering All-IP network as the final migration path
Technology Evolution PathEvolution Perspective
#### Transparent migration path from 2G to 3G#### Network evolution with the Phase of next generation technology#### Transparent migration path from 2G to 3G#### Network evolution with the Phase of next generation technology
Phase 1 (2002~2003)Phase 1 (2002~2003)
Circuit & Packet Network Circuit & Packet Network
Phase 2 (2004~2005)Phase 2 (2004~2005) Phase 3 (2006~) Phase 3 (2006~)
Voice over IP NetworkVoice over IP Network All-IP Network Integration All-IP Network Integration
Circuit NetworkCircuit Network
Packet NetworkPacket Network
AllAll--IP NetworkIP NetworkIP Network IP Network
AllAll--IP integrationIP integration
IP IntegrationIP Integration
Single node integrationSingle node integration
Location Location RegisterRegister MediaMedia
G/WG/WMSCMSC
CallCallServerServer
G/WG/WMSCMSC
RadioRadioNetworkNetwork
ControllerController
RNCRNC
DataDataProcessProcess
nodenode
DataDataG/WG/Wnodenode Internet G/W nodeInternet G/W node
HomeHomeSubsSubs
ServerServer
MediaMediaG/WG/W
RNCRNCServerServer
Internet G/W nodeInternet G/W node
CallCallserverserver
HomeHomeSubsSubs
ServerServer
Evolution Perspective
Network Evolution
2G2G
▶▶▶▶ B/W and small LCD
▶▶▶▶ Low speed data
▶▶▶▶ Browser installed
▶▶▶▶ B/W and small LCD
▶▶▶▶ Low speed data
▶▶▶▶ Browser installed
▶▶▶▶ Wide-color LCD▶▶▶▶ GPS equipped▶▶▶▶ Bluetooth installed▶▶▶▶ Digital camera equipped▶▶▶▶ Java installed terminal
▶▶▶▶ Wide-color LCD▶▶▶▶ GPS equipped▶▶▶▶ Bluetooth installed▶▶▶▶ Digital camera equipped▶▶▶▶ Java installed terminal
2.5G2.5G 3G3G
▶▶▶▶ USIM Module / TFT LCD▶▶▶▶ OS installed terminal
(WinCE, Linux)▶▶▶▶ High capacity CPU/
larger storage
▶▶▶▶ USIM Module / TFT LCD▶▶▶▶ OS installed terminal
(WinCE, Linux)▶▶▶▶ High capacity CPU/
larger storage
4G4G
▶▶▶▶ Virtual Reality▶▶▶▶ Natural Language
Recognition▶▶▶▶ Handwriting
Recognition
▶▶▶▶ Virtual Reality▶▶▶▶ Natural Language
Recognition▶▶▶▶ Handwriting
Recognition
Terminal improvement by development of peripheral device and related technology Terminal improvement by development of peripheral device and related technology
$$$$ Digital camera/GPS/Smart card module/video communication/M-Commerce security solution/LBS$$$$ Semiconductor: higher CPU capacity, larger storage$$$$ Display: Wide LCD %%%% Color LCD %%%% TFT LCD$$$$ Battery: Durable, lighter battery (next generation battery)
$$$$ Digital camera/GPS/Smart card module/video communication/M-Commerce security solution/LBS$$$$ Semiconductor: higher CPU capacity, larger storage$$$$ Display: Wide LCD %%%% Color LCD %%%% TFT LCD$$$$ Battery: Durable, lighter battery (next generation battery)
Evolution Perspective
Terminal Evolution
#### Cooperation
Partnership with related Mobile Operator,
Terminal Manufacturer, Enabler Tech,
to develop Killer Application and Services
#### New Revenue Sharpening Model
#### Open Access
#### Cooperation
Partnership with related Mobile Operator,
Terminal Manufacturer, Enabler Tech,
to develop Killer Application and Services
#### New Revenue Sharpening Model
#### Open Access
#### Need to know customer needs for developing new services
#### Focusing on Customer Segmentation, Targeting and Positioning
#### Service Mixing, Customizing & Personalizing will be the key factors for success
Successful Service &&&& Develop High Tech and Secure Contents!
Successful Service &&&& Develop High Tech and Secure Contents!
Variation /Differentiationof Contents
Advancementof Contents
Personalizing/ Packagingof Contents
Evolution Perspective
Contents Diversification
Conclusion
Global Leader in Wireless Technology & Product
Innovation
Leading Position in Wireless Internet Market
Technology Evolution to 3G and next ...
Service Evolution to Multimedia
Thank you