ITU-APT Regional Seminar 2004

2.3GHz2.3GHz PortablePortable InternetInternet (WiBro)(WiBro) forfor WirelessWireless BroadbandBroadband AccessAccess

Daehyoung Hong Chair, TTA 2.3GHz Portable (WiBro) Project Group (PG302) and Professor, Sogang University, , Korea e-mail : [email protected] Discussion Topics

I. Why Portable Internet (WiBro)? II. Portable Internet (WiBro) Service 1. Service Positioning 2. Service Concept 3. Service Features 4. Customer Needs 5. Demand Forecast III. Service Schedule IV. TTA PG302 Activities V. Decision of PG302 VI. Future Plan of PG302 VII. Summary 1 ? . Why WiBro? : Subscribers in Korea

Mobile phone/internet users High speed internet users

Unit : Million Users Unit :Million Users 35 12 32 33 11.2 29 29 10.4 30 users 31 9 7.8 27

25 6 23 24 Mobile Internet 3.9 20 3

16 15 0 0.2 1999 2000 2001 2002 2003 1999 2000 2001 2002 2003

Source : Ministry of Information & Communication (Nov, 2003) 2 ? . Why WiBro? : Definition

Portable Internet Service(WiBro) is to providea high data rate Definition wireless with PSS(Personal Subscriber Station) under the stationary or mobile environment, anytime and anywhere.

? Portable Internet? was named as ? WiBro? . (End of April, 2004) Reference WiBro : Wireless

High Mobility Data Rate

WiBroWiBro

Anytime, Low Cost Anywhere

3 ? . Why WiBro? : Korea market wants WiBro

High WLAN (Private) WiBro (Public) Data Rate EVDo HSDPA Cable , ADSL, VDSL Data Low Telephone Line Modem, Expensive Price moderate PDSN, Router / ATM

Voice PSTN, ISDN CDMA, WCDMA Key Phone, PABX TRS

Wired Line Wireless

4 ? . WiBro : Service Positioning

User Data Rate : > 1Mbps/user Low-mobility Service : < 60 Km/h Low-Charge : Lump Sum Based Price

Data Rate High- Speed Mobile Communication Internet Wirelss LAN

WiBroWiBro

3G Mobile Communication

Fixed Low Mobility Mobile Mobility Mobility Low Cost Mobility WiBro Service Low Cost (Nomadic(Nomadic User)User) WiBro Service HighHigh DataData CapacityCapacity

5 ? . WiBro : Service Concept

WiBro : Urban, High Data Rate Cellular : Nationwide, Low·Mid Data rate WLAN : Hotspot, High Data Rate

Cellular or PCS

WiBro WiBro

Handset PI BTS PDA PI BTS PDA

Smart Phone Notebook Notebook Cellular BTS WLAN Smart Handset Phone

6 ? . WiBro : Service Concept (cont’d)

WLAN: High-speed Wireless Internet Service (IEEE 802.11 series) • Wireless IP service in a local or private area • Very high data rate up to 54Mbps • But, limited coverage and poor QoS Cellular: Medium or Low Speed Wireless Internet Services (, WCDMA) • Public mobile service on Cellular-based platform • Higher Infra cost – Designed to provide voice and data simultaneously in nationwide area. • Lower data rate – 144/384 Kbps (cdma2000 1x, WCDMA), 2.4/15Mbps (Ev-DO, HSDPA) • But, too expensive and limited data rate 7 ? . WiBro : Service Concept (cont’d)

Service Vision – Seamless and Ubiquitous Access Market Segments Public Domain • Mobile Office • Mobile Commerce Service • Video Streaming Service • Multimedia QoS Support

Enterprise Domain Home Domain • Potable Office • High BW Connectivity to Home • Video Conferencing • Video Streaming Service • Wireless PBX at Home • Wireless Home Gateway

Key Design Principle of : A flexible framework applicable to various Market Segments 8 ? . WiBro : Service Features

Entertainment

• Large volume VoD, MoD, AoD • Real-time Streaming Broadcasting • 3D Network Game • Multimedia Messaging

Information Commerce & Finance

• Web Browsing Home Networking • m-Commerce • File Downloading • Mobile Banking, Trading • Interactive News & Info. • Interactive Advertisement • Distance Edu./Med. • Finance, Field Agent Service • Home Networking • Biz Solution , Settlement

9 ? . WiBro : Customer Needs

Service Acceptability Customer Needs

60 N:1,500 49% Mobile Internet User WLAN User

40 • Price decrease: • Coverage Expansion : 28% 23% 85.5% 63.1% 20 • Access, D/L Quality : • Service Stability : 46.2% 35.4% • Content usability : • Price : 0 subscribe not decide not subscribe 40.0% 24.6%

Terminal 40% Expected Usable Service

28 28

20% 16 15 Smart Handheld PDA Handset Lap top 5 4 Phone PC 2 1 0% Game Web XoD Education surfing Finance Communi Community Source : SK Telecom Internal Survey (2003. 10) Location cation 10 ? . WiBro : Demand Forecast ()

The survey on PIS indicates there will be rapid increase in subscriber total to 10.5mililon in Korea Market by year 2010

10,831 11,408 11,614 11,685 11,708 10,000 9,401

6,732 5,000

KISDI Survey (’02.12) 3,633

1,311 1,525 1,000

2005 2006 2007 2008 2009 2010 2011 2012 2013

Source : KISDI(Korea information strategy development institute, ’02.12) 11 ? . Service Schedule (expectation)

· The finalization of technical standard: 1st half of year 2004 · The selection of service carrier: Feb. of year 2005 · The commercial service launch: 1Q of year 2005

2004 1st Half 2004 2nd Half 2005 1st Half 2005 2nd Half 2006

Technical Development of commercial Field Technology Standard service system Trial Test (June, 2004 )

Accept carriers’ Selection of Pre- Service requirements commercial Schedule service carrier (Feb, 2005 ) service

Commercial Service 12 IV. Telecommunications Standard Committee, TTA

TechnicalTechnical AssemblyAssembly (TA)(TA) CoordinationCoordination Strategic Planning CommitteeCommittee (CC)(CC) Committee (SPC)

TechnicalTechnical ProjectProject GroupsGroups CommitteesCommittees (TC)(TC) (PG)(PG)

Common Infrastructure Information Security, Internet Security, Biometrics, (TC1) Welfare Communication, IC Card, SoC, Disaster Recovery, Embedded S/W

Transmission Optical Transmission, Optical Internet, Signaling, (TC2) Routing Protocol, , VoIP, ENUM, NGN, Active Internet, Charging & Interconnection, Network Management, IPv6, LAN, DSL, Digital Home

Radio Communication Digital TV, DMB, Digital Cable, WPAN, Wireless LAN, Propagation (TC3) Measurement, NGMC, LBS, Telematics, Portable Internet

IT Application WEB, Multimedia Application, Workflow, (TC4) E-commerce, Public information, MetaData, S/W Process, S/W Components. NGIS, ITS, Grid 13 IV. Establishment of Project Group (PG302) Establishment of PG302 for WiBro standardization Technical Assembly(TA) of TTA standardization committee approved the establishment of 2.3GHz Portable Internet Project Group(PG302, renamed from PG05) in June, 2003 The first meeting was held on 30 July, 2003 and The Chairman was elected. The second meeting was held on 5 September, 2003 and approved the followings The establishment of 2 Working Groups and 2 Ad Hoc The Goal of PG302 Activities & Timeline is as follows.

Time Goal (Phase 1 Standardization) 3Q 2003 Definition of Target Requirements - Minimum Service Requirements - Minimum System Requirements 4Q 2003 Preparation of the Draft Standard - Definition of major system parameters - Definition of items/criteria/conditions for Evaluation - Collection and Evaluation of Baseline Proposals - Selection of Baseline Proposal(s) IPR Confirmation and Processing Activities International Cooperation Activities 1Q 2004 Completion of Draft Standard

2Q 2004 Approval and Notification of Standard 14 IV. Committee Structure and ToR of PG302

üüDefinitionDefinition ofof MajorMajor SystemSystem ParameterParameter RadioRadio AccessAccess üüDefinitionDefinition ofof Items/Criteria/ConditionsItems/Criteria/Conditions forfor EvaluationEvaluation WorkingWorking GroupGroup üüCollectionCollection andand EvaluationEvaluation ofof BaselineBaseline ProposalsProposals

ServiceService andand üüDefinitionDefinition ofof ServiceService andand NetworkNetwork NetworkNetwork üüDefinitionDefinition ofof NetworkNetwork referencereference ModelModel 2.3GHz WorkingWorking GroupGroup Portable Internet Project Group (PG302) IPRIPR AdAd HocHoc üüIPRIPR ConfirmationConfirmation && ProcessingProcessing ActivitiesActivities

InternationalInternational CoordinationCoordination üüInternationalInternational Coordination Coordination Activities Activities AdAd HocHoc

* ToR : Terms of Reference 15 V. Decision of PG302

MajorMajor DecisionDecision (Phase(Phase II Standardization)Standardization) The PG302 Meeting of Jan 31, 2004 approved the Major System Parameters & Radio Access Requirements as follows

MajorMajor SystemSystem RadioRadio AccessAccess RequirementRequirement ParametersParameters

Frequency Reuse DuplexingDuplexing TDDTDD 1 Factor

MultipleMultiple OFDMA Mobility = 60 [Km/h] AccessAccess OFDMA

ChannelChannel 10 [MHz] Service Coverage = 1 [Km] BWBW 10 [MHz] Max. DL / UL = 6 / 2 [bps/Hz/cell(sector)] Aver. DL / UL = 2 / 1

Handoff = 150 [ms]

Throughput Max. DL / UL = 3 / 1 [Mbps] (per user) Min. DL / UL = 512 / 128 [Kbps] 16 V. Decision of PG302 (cont’d)

NetworkNetwork ArchitectureArchitecture ofof WiBroWiBro (Phase(Phase II Standardization)Standardization)

Public IP Network

HA

Operator’s … IP Network … AAA ACR : Access Control Router

ACR ACR RAS : Radio Access Station

RAS RAS PSS : Personal Subscriber Station RAS RAS

PSS PSS PSS PSS 17 V. Decision of PG302 (cont’d)

Progress PG302 selected two baselines for WiBro (March, 2004) and then, approved one baseline as Draft between two baseline (April, 2004) • The Draft for WiBro in circulation to members of TTA. May 3 ~ May 30, 2004 (during 4 weeks) PG302 selected the Draft as a Draft Standard for WiBro June 7, 2004 And, Radio & Broadcasting Technical Committee(TC3) of TTA selected the Draft Standard. June 9, 2004 Finally, The Draft Standard was approved as a Standard (phase I) for WiBro in Technical Assembly(TA ) of TTA. June 25, 2004

18 VI. Future Plan of PG302 (Phase II)

Phase II Standardization for advanced WiBro started from 3Q 2004.

Time Goal (Phase II Standardization)

3Q 2004 Definition of Service and System Requirements Determination of scope of technologies for improvements of system capacity Harmonization and collaboration with IEEE 802.16 Preparation of detailed guideline for IPR Processing

4Q 2004 Design of Evaluation Criteria of technologies for improvement of System Capacity Proposal and Evaluation of technologies for improvement of System Capacity Preparation of Evaluation Methodology for functional improvement for System Harmonization and Collaboration with IEEE 802.16 IPR activities (Patent issue of factor technology, Patent Forum etc.)

1Q 2005 Proposal and Evaluation of technologies for improvement of System Capacity Proposal and Evaluation of technologies for improvement of System Function Preparation of the Draft Standard Harmonization and Collaboration with IEEE 802.16 IPR activities (Patent issue of factor technology, Patent Forum etc.)

2Q 2005 Completion of Draft Standard Harmonization and Collaboration with IEEE 802.16 IPR activities (Patent issue of factor technology, Patent Forum etc.) 19 VII. Summary

Considerations for Korean Market Needs WiBro

? Current Wireless Service Market ? Low Cost, High Performance

ü Mobile phone: Expensive charge, low data rate ? Mobility for Data

ü High speed internet : Fixed ? Full Coverage over a Whole service Service Area ü WLAN : Limited coverage ? ? High expectation lies on WiBro Global Standardization service to provide lower price and u TTA WiBro Phase I Standard Set better data rate by June, 2004

u TTA WiBro Phase II Standard in Process 20 21