| 1 The 5 th CJK IT Standards Meeting March 28 – 30, Tokyo Japan

National Standardization SystemTTA Standardization Strategy TTA’s ICT Standard Committee Key Target Technologies for Standardization TTA’s Standardization Strategy A Core Standards of TTA : DMB

| 3 Developing standards National Standardization System Establish group standards Industries Research centers Other interested parties Communication service providers Recommend standards (proposal) International Telecommunication Union (ITU) ITU-T, ITU-R International Telecommunication Union (ITU) ITU-T, ITU-R Telecommunications Technology Association Telecommunications Technology Association Recommend national standards Ministry of Information & Communication Ministry of Information & Communication Radio Research Laboratory (National IT Standard Commission) Radio Research Laboratory (National IT Standard Commission) Korean Standards Association Industrial Standard Commission Industrial Standard Commission Ministry of Commerce, Industry and Energy Ministry of Commerce, Industry and Energy International Standardization Organization (ISO) ISO/IEC JTC 1 International Standardization Organization (ISO) ISO/IEC JTC 1 Agency for Technology and Standards Agency for Technology and Standards

| 4 Footprints of TTA TTA (Telecommunications Technology Association) Established Dec Joined GSC (Global Standards Collaboration) Oct Designated as a Management Organization for IT Standardization Projects (by MIC) Jan Recognized as ITU-T Recommendations Referencing Organization Jun Relocation of TTA HQ in Bundang and Opening of IT Testing & Certification Laboratory Dec Telecommunications Technology Association

| 5 ONE-STOP Service in Standardization One-Stop Service in IT Standards Identify Areas in Need of Standards Develop Standards Testing & Certification Services

| 6 Identify areas in need of standards TTA’s Standardization Strategy Selection & Convergence

| 7 2 Departments & 1 Laboratory Employees: 160+ Strategy Planning Team Standards Coordination Team Information and Communication Team Radio and Broadcasting Team Standardization Service Team Testing & Certification Planning Team Network Testing Team S/W Quality Evaluation Team Digital Broadcasting Testing Team Mobile Communication Testing Team Project Support Team General Affairs Team Information Service Team Standardization Dept. IT Testing & Certification Lab. Project Support Dept. Secretary General Board of Directors Auditor Technical Assembly External Relations Team Project Management Team TTA Organization 2 Departments & 1 Laboratory Employees: 160+

| 8 Developing standards TTA’s ICT Standard Committee Technical Assembly (TA) ) Technical Committees (TC) 47 Project Groups (PG) Coordination Committee (CC) Coordination Committee (CC) Strategic Planning Committee (SPC) Strategic Planning Committee (SPC) Radio & Broadcasting (TC3) Common Infrastructure (TC1) Telecommunication (TC2) IT Application (TC4) Total : 4 TCs 47PGs  Information Security, Internet Security, Biometrics, Welfare Communication,  ETS/TDR, IC Card, SoC, Embedded S/W, Open Source S/W, S/W Quality 10  Optical Transmission, Optical Internet, Network Management, NGN, Active Internet, Signaling, Routing Protocol, VoIP, Charging & Interconnection, IPv6, ENUM, LAN, DSL, Digital Home, QoS, Earth 16  NGMC, 2.3GHz Portable Internet, WLAN, WPAN, LBS, Digital TV, DMB, Digital Cable, Measurement,RFID/USN, Data Broadcasting, Telematics/ITS 12  WEB, Multimedia, Electronic Commerce, Workflow, Public Information, MetaData, S/W Component, NGIS, Grid 9 Termination: SW Process (’04.10) Amalgamation: ITS/Telematics (’04.12) Creation : -Open Source S/W PG(’05.3) -S/W Quality(’05.3) Project-Oriented Approach

| 9 Identify areas in need of standards IT Technology Standardization Demand research, Analysis and Planning Analysis of National Standardization Policies Standardization strategy analysis framework Standardization strategy analysis framework Matrix analysis model Qualitative elements National technology policies Characteristics of standards (life cycle, public interests, types of Standardization) Characteristics of standards (life cycle, public interests, types of Standardization) Quantitative elements Market size (Degree of commercialization) Market size (Degree of commercialization) Maturity of standards IPR Selection of Key Target Technologies for Standardization Selection of Key Target Technologies for Standardization  Analysis of demands for target IT Standardization items  Analysis of demands for target IT Standardization items  Analysis of key target technologies for standardization of the previous year  Analysis of key target technologies for standardization of the previous year  Investigation of key items of major international Standardization Organizations  Investigation of key items of major international Standardization Organizations  Market forecast of major local research centers/organizations  Market forecast of major local research centers/organizations  Planning of mid-term projects of TTA Standardization Committee  Planning of mid-term projects of TTA Standardization Committee  IT Standardization Strategic Forum  MIC policies ( IT839 Strategies)  Execution plan for IT R&D of the current year  Analysis of demands for IT standardization projects for the next year  Analysis of demands for IT standardization projects for the next year

| 10 Identify areas in need of standards 48 Key Standardization Target (As of 2004) Information Security Information Communi- cation Application Intelligent Service Robots Telematics Digital Contents & SW Solution Embedded S/W Next Generation PC IT SoC Home Network D-TV/Broadcasting Next Generation Mobile Communication USN Information Security (General), Web-based information security, Electronic Payment System, Biometrics (voice recognition included) Disaster communication (ETS/TDR/PPDR) Intelligent service robots Telematics, ITS, GIS, LBS Digital contents (General), MPEG-21, Mobile 3D API, DRM, S/W components, Grid middleware, E-Biz, Next generation web-based technology, Information system architecture, Voice/speech information processing, S/W streaming Embedded S/W (OS & Middleware) Next generation PC IT SoC Home Network, Home gateway, Middleware, Wired/Wireless Home Networking Digital broadcasting (General), DMB B3G/4G mobile communication (General), SDR, 3GPP/3GPP2, Mobility Protocol, Super-high-speed WLAN, Super-high-speed WPAN, Portable Internet (WiBro) USN (General), RFID BcN (General), VoPN (VoIP ), IPv6, Multicast, Next generation QoS signaling, Optical Internet (FTTH included), LAN/MAN technology, Active Network, Open service BcN

| 11 Developing standards A TTA Core Standard : Introduction to DMB Cell phone PDA AudioLap top/PC Satellite DMB Terrestrial DMB Mobile Portable Fixed Broadcasting Centers CAR AV Extend the concept of DAB(Digital Audio Broadcasting) to DMB (Digital Multimedia Broadcasting) ※ ITU names it DAB(Digital Audio Broadcasting), but Korea uses the term, DMB, to highlight the characteristics of mobile multimedia broadcasting. (ITU-R System E) (ITU-R System A)

| 12 Developing standards Service Vision of T-DMB TV-like service –Excellent mobile reception at max. of 200 km/h VCD-like video quality on 5-7 inch LCD –Max max 30 frames/sec Mobile-phone-like multimedia service –Free services like conventional TV –High-bandwidth data-box in my pocket for free reception (compared to mobile comm. net.) High quality audio service –CD-like quality audio broadcasting beats analog FM –Audio with slide show Data services –EPG, News, Weather, Stocks, Traffic Information etc.

| 13 Developing standards T-DMB history in Korea Preliminary review of DAB for its introduction in Korea Organizing DAB task force group within NGBF Driving a Committee for DAB and Public hearing - Decision of Eureka-147 as Korea DAB Driving a Committee for DAB and Public hearing - Decision of Eureka-147 as Korea DAB Drafting a Korean standard for DAB/DMB within NGBF - DAB concept was extended into DMB Drafting a Korean standard for DAB/DMB within NGBF - DAB concept was extended into DMB Official release of TTA standard on DMB audio service part DMB demonstration in Seoul metropolitan area Official release of TTA standard on DMB audio service part DMB demonstration in Seoul metropolitan area Official release of TTA standard on DMB video service part DMB field testing in Seoul metropolitan area Official release of TTA standard on DMB video service part DMB field testing in Seoul metropolitan area NGBF : Next-Generation Broadcasting Standards Forum

| 14 Developing standards Service Schedule March 2005 Korean Broadcasting Commission will select 6 T-DMB Broadcasters 2Q 2005: Three broadcasters will start T-DMB services. 3Q 2005: The remaining 3 broadcasters will start T-DMB services. For Seoul and its vicinity, using Band III (TV Ch. 8 & 12) For other areas : plans are not fixed.

| 15 Developing standards ITU-R Working Party 6M Submit proposed technical contribution  Ongoing Activities for ITU-R BT Recommendation New Technical Specification Co-work with World DAB Forum Extend DAB to the error robust mobile multimedia broadcasting  Will be adopted to ETSI Technical Specification around April 2005 Move to International Standard ETSI standardization ITU standardization The English versions are under TTA English Web Page

| 16 Developing standards T-DMB Technical Introduction AVC : Advanced Video Coding, PAD : Program Associated Data, TDC : Transparent Data Channel, BWS : Broadcasting Web Site, BSAC : Bit-sliced Arithmetic Coding, EPG: Electronic Program Guide TypeQualityTechnology AudioCD quality stereo (BER )MUSICAM(MPEG-1,2 layer 2) Video streaming (DMB) Video7” displayMPEG-4 AVC(H.264) AudioNear CD QualityMPEG-4 BSAC DataMany applicationsMPEG-4 BIFS MultiplexA/V/DMPEG-4 SL, TS ChannelMobile, Urban (BER ) RS(204, 188), Convolutional Byte interleaver DataEPG, news, weather, stock, traffic information, etc. PAD, NPAD, TDC, MOT, BWS, IP- tunneling, Slideshow, etc.

Global Standardization Thank you

| 18 Developing standards Current Status of Standards Own Development Translation of International Standard English Standard TTA Standard (TTAS) National Standard (KICS) As of December, ,001 3,

| 19 Developing standards Common Infrastructure Telecommunication IT Application Radio & Broadcasting High-usage Standards(by Committee) Testing /certification Data Information security IC card ITS Next-generation mobile communication Standard for national basemap and standard numerical map of National geographic information system(NGIS) - Feature and attribute - Version bit block encryption algorithm standard Standard for mobile phone Handset input/output terminal access Standard for short-distance wireless communication between 5.8GHz bandwidth roadside stations and vehicle terminals Session Initiation Protocol (SIP) Microwave Digital Radio Broadcast Tx/Rx Interface Standard Transmission technology Broadcasting technology Radio ㆍ communication Data transfer interface at PSTN subscriber line for Displaying sender information Standard for architecture of broad-band subscriber network using ATM-PON IT application NGIS Communication network Standard for common terminal for contact IC card Standard for 2.3GHz mobile internet Standard for 3rd generation mobile communication system Geographical information distribution list (metadata) standard Software quality characteristics and metrics - Quality characteristics and sub-characteristics IT SW

| 20 Developing standards MoU between Standardization Organizations MoU between Standardization Organizations NO. Name Date 1 TTC July ITU-AJ July ITU November T1 May ETSI January SAA / ACC April TSACC November ARIB May GPP December GPP2 January ARIB, TTC, CCSA (CJK IT standards Meeting) November 2002

| 21 Developing standards Standardization Activities Open to Everyone Standardization Activities Open to Everyone Benefits Participation in standardization committee activities Information services (free or discounted) Additional 10% off testing and certification fee Participation in seminars and educational events Support for Standardization projects (on a case-by-case basis) Current Status Communication Service Providers Research Centers Broadcasting Stations Associations & Cooperatives 14 [ By business type ] Observers Associate Members Special Members [ By participation type ] 131 Full Members General businesses 162

| 22 Testing & Certification Tests and evaluations conducted to verify whether standards and certification requirements for IT products are met and various certification services provided.  Development support testing  Open laboratory  Testing equipment lease  Testing technology consulting  Benchmarking service  PR/marketing support  Local standard  Int’l standard  TTA standard Activities of Testing & Certification Laboratory Activities of Testing & Certification Laboratory Testing & Certification Services Testing & Certification Services Development Support Services Development Support Services Consulting & Additional Services Consulting & Additional Services

| 23 Testing & Certification Testing & Certification Areas Digital Broadcasting Equipment Software Network Mobile Phone Charger Quality evaluation for Internet phone and communication service

| 24 Testing & Certification Services TTA Certified Issued when testing results comply with certification criteria of international standardization bodies GOOD Software Issued when the software meets the requirements of Enforcement Ordinance Article 10-3 of the Software Industry Development Act, as specified by the Quality Certification Standards of Software (MIC Notice , Oct. 31, 2000) TTA Verified Issued when test results as requested by clients comply with TTA certification criteria TTA Tested Indicates that TTA verified the testing results based on test methods and conditions set by TTA and/or clients TTA Testing & Certification Services

| 25 Testing & Certification Software Networking Digital Broadcasting Mobile Communication International Affiliated/Cooperative Companies  Spirent  Agilent  Cetecom Spain  TÜViT  CableLabs  Motorola  NDS  Nagra Vision  Irdeto Access  7Layers  BABT  RITT-7Layers ( Planned ) International Testing & Certification Services International Testing & Certification Services

| 26 Testing & Certification ION Interoperability Testing | ION (Interoperability ON!) | Major events in 2002 ~ 2004  What is ION? Exclusive interoperability (between IT devices) test event hosted by TTA  Available throughout the year upon request Network SIP System VPN System IPv6 System and Service H.323 System Wireless LAN System Bluetooth System Software New electronic document system Archive system API link between new electronic documents and archives New Client System WIPI Digital Broadcasting OpenCable Host and POD OCAP, MHP, ACAP Data Broadcasting System

| 27 Testing & Certification Current Status of Testing & Certification Current Status of Testing & Certification Network Software Digital broadcasting Mobile communication