SKTelecom(Korea)

1. SK Telecom WCDMA
2007. 6. 15

2. . WCDMA
. WCDMA

3. . WCDMA 1. –
CDMA, WCDMA, WiMAX Network 3G
3G Network* 4G
~ ’04 ’05 ’06 ’07 ’08 ’09 ’10 ’11~
DO Rev.B
DO Rev.0 DO Rev.A Rev.C (UMB)
CDMA ~46M
2.4M/153.6K 3.1M/1.8M 100M/60M
MIMO
’02.1 Data QoS
By-Pass
HSPA+
WCDMA(R4) HSDPA(R5) HSUPA(R6) LTE
WCDMA ~50M
1.8M/384K
384K/384K 7.2M/5.76M 100M/60M
MIMO
~ 3.6M/384K
’04 ~ 14.4M/5.76M
By-Pass
WiMAX WiMAX 802.16m
WiMAX Wave Wave
(WiBro) 20M/5.5M ~ 50M 100M/60M
MIMO
As-Is
IMT-2000 Enhanced IMT-2000 IMT-Advanced
* ITU CDMA-1X 3rd Generation , MIC ITU CDMA-1X 3G (`02. 2. 20)
v

4. . WCDMA 1. – WCDMA
WCDMA Circuit , Mobile Broadband, Global Standard,
USIM quot; 7
“Communication Data ”
Visual Comm.
Circuit
Circuit Data SVC
Circuit + Packet = Multi-Access
14.4M D/L
Web-like Concept
Web-
Mobile
Z
SVC
Broadband
HSUPA Upload
3GPP* Spec Global
Global Synergy
Global
Standard Global Platform / Spec
Global Sourcing
Smart Card One Chip USIM
USIM quot;
Convergence SVC
*3GPP(3rd Generation Partnership Project)

5. . WCDMA 2. – Global
WCDMA 3G Mainstream , 3G
Network / Network
3G
( :
`06 `07 `08 `09 `10 CAGR
(`10 )
)
WCDMA 101 187 314 444 571 54%
Western Europe Asia-Pacific North America
iDen
CDMA 332 380 424 463 494 10%
(7%)WCDMA
WCDMA (15%)
GSM
GSM
GSM 2,080 2,344 2,505 2,603 2,673 6% (30%)
(22%)
(38%) GSM 1X
WCDMA
(50%) (23%)
Global (62%)
2,608 2,956 3,259 3,514 3,738 EV-DO
1X(6%)
EV-DO (32%)
* Source : OVUM (`07.1)
(14%)
* Source : OVUM (`07.1)
WCDMA , `10 / CDMA Major
7 *
CDMA
- GSM WCDMA Migration (Verizon / Sprint Nextel / KDDI 7)

6. . WCDMA 2. – Global
WCDMA(HSDPA)
* quot;
WCDMA(R4) WCDMA(HSDPA)
WCDMA(R4) 72 , WCDMA(HSDPA) 58 ,
162 115
Middle East / Afica America Asia-Pacific
(9 ) (5 ) (12 )
Europe
(32 )
GSM
WCDMA WCDMA N/W * Source : GSA(’07.5)
* Source : GSA(’07.5)
78 , 168 Commitment
WCDMA 1.15 (`07. 1Q)
264 HSDPA Devices Launched

7. . WCDMA 3. – WCDMA
WCDMA `09 WCDMA
, Drive Gap
v
WCDMA
CDMA / WCDMA Market Size
459 ( : )
380
309
`09 WCDMA
210 223 212 CDMA
182
154.3
213
141 208
78.5 WCDMA
CDMA
2006 2007 2008 2009 2010 2011 î
* Source : Informa Tlecoms & Media, Future Mobile Handsets
* Note: CDMA 1X DO
Economy of Scale
CDMA / WCDMA WCDMA
( : )
• H/W Spec. Local Vendor
550
WCDMA
500
Vendor v
450
CDMA
• Mid & Low Tier WCDMA
400 (EV-DO)
350
/ CDMA
300
2007 2008 2009 2010 2011
* Source : Internal Analysis

8. :
WCDMA , WCDMA
7
WCDMA WCDMA
WCDMA (n = 500)
6.6%
(n = 1,000)
8.6%
•
(28%) (23%) (49%)
3.2% (56.8%)
18.4%
(51%)
USIM 7 (32%)
6.8%
• WCDMA
(39%) 0.6%
(18.0%)
(25%)
0.6% 27.4%
16.8%
• /
01N ( )
(10.0%)
(n = 1,000)
70%
55%
Z
48%
11.0%
WCDMA ,
8% 16% 21%
WCDMA
- WCDMA
WCDMA
Factor
01N 7
*Source: Survey, `07.5

9. . WCDMA
. WCDMA

10. . WCMDA 1. WCDMA
WCDMA Market / / Global/ ,
WCDMA
WCDMA
WCDMA • Data , Comm.
• 01N ,
• WCDMA Coverage Roaming, USIM
N/W
WCDMA
WCDMA
• CDMA, WCDMA
Migration ,,
• WCDMA Migration • CDMA Network WCDMA
// / /Global/
,
Global/
,, Global
Global
Global
• Global
Market Leadership
Market Leadership • BMA, Freemove, TD-SCDMA 7 WCDMA
• WCDMA 3G Mainstream
,
• Global
3G
Market Leadership
Market Leadership
• , , , ,
• 3G Initiative
Comm. 7 Infra
, M/S
• / / 7
Market Leadership

11. . WCDMA 2. (1)
Visual, Internet, Global, Convenience Concept 3G
Communication
Comm.
Visual Global
Expansion MIM*
Visual Comm.
Comm. Biz
Comm. Biz
Visual
Text Visual
UCC
Data
Internet Comm.
Contents, UI 7
Web-like
Data Biz
Data Biz Contents
F/B*
g
in
Global
Voice
g
sa
es
M
Internet
Global e
pl Contents
¡
im
, D/L
¡
S Domain
CP
©
¨
§
¦
¥
¤
£
¢
Data
Convergence
Convergence
Convenience
Biz
Biz Life Infra /
MONETA Chip
USIM Life-infra
Multi-Device
H/S
Convergence
*MIM(Mobile Instant Messenger), F/B(Full Browser)

12. . WCDMA 2. (2)
3G /
“Visual Comm. ” “Global ”
UCC Global 107 (6.15 )
Global WCDMA 33 ( , 6.15 )
(Global)
VU PC Card Global
(Visual)
VU
( )
USIM
WCDMA (Visual)
(Convenience)
(WCDMA EV-DO *)
“USIM Convergence” “Mobile Broadband ”
USIM QVGA TV, VOD
USIM T Money ( )
USIM M-Stock, QVGA
quot;
Web-like
MBANK ( ) QVGA
(Internet)
(Internet)
“Mobile Internet Access” “Web-like ”
WCDMA + WiBro DBDM T LOGIN ( , , , )
PMP T LOGIN UCC Portal ( )
Mobile Web Viewer , Full Browser ( )
/ e-mail ( )
*Global 7 WCDMA Network

13. . WCDMA 3.
CDMA Network WCDMA
WCDMA Network
2006 2007
`
06.3Q `
06.4Q `
07.1Q `
07.2Q
1994
CDMA
` 8 , 48
06.
2003 `
06.10 , 84
3G
` 3,
07.
(CDMA 2000 1X EV-DO)
2006
HSDPA(H/S)
2,000
2007 6~
HSUPA : 75% : 82% : 99%
: 8% : 14% : 91%

14. . WCDMA 4. Global
Global Standard WCDMA ,
Sourcing Global
7
CDMA
Global
- GSM / WCDMA: , , 7 130
CDMA Inbound
• Outbound
- , , 7 WCDMA
• Inbound
CDMA , Global
Z
• - , MMS, NATE, MONETA 7
Global Global Alliance , , 7
- BMA , BMA-Freemove MOU
• Global Alliance Global Interoperability
• Global - 3GPP, OMA MMS, Browser, VOD
- / Global
• WCDMA /
Global Vendor Sourcing
Global Sourcing
- Line-up
• Global Vendor Sourcing Global Sourcing
• Global Vendor / - Global Vendor , Data,

15. . WCDMA 5.
Market Leadership , WCDMA / CDMA
2007 WCDMA 150
“WCDMA 150 ”
2007 WCDMA
, ,
7
`
07 Resource WCDMA
• 2007 HSDPA SBSM 20
- WCDMA Line-up WCDMA
• Data Biz Potential Non WIPI
•
- 30 /10
- Mobile Web Plus Data
• WCDMA / 1,000
• WCDMA / (10,000 ) 3
• ‘Live on 3G+’ Theme Comm. , Value Proposition
Communication
Comm.

16. )4%1quot;
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