“The value networking company”
The Final Destination of Broadband, WiBro Service Plan
2005.11
Jung-Hak Jin, Director. ([email protected]) SI BU ITS Team ContentsContents
Ⅰ Brief Introduction of KT
Ⅱ Overview of WiBro
Ⅲ Standardization
IV WiBro Technology
V Business Plan
VI Emerging Technology in ITS
1 I.I. BriefBrief IntroductionIntroduction OfOf KTKT (1/3)(1/3) - Business Domain I.I. BriefBrief IntroductionIntroduction OfOf KTKT (2/3)(2/3) - Mobile Data Market Trend
ProspectProspect ofof worldwideworldwide ProspectProspect ofof domesticdomestic mobilemobile datadata mobilemobile datadata AverageAverage 31%31% growthgrowth perper yearyear Growing-upGrowing-up ofof mobilemobile datadata
Revenue Revenue (Unit: Billion, USD) 20,000Revenue (Unit: Million, USD) 17,447 Mobile Data Cellular Mobile Data Cellular 600 15,861 523 14,941 485 15,000 13,813 500 446 404 400 366 10,000 300
200 134 5,000 109 3,326 85 64 2,217 100 46 1,204 534
0 0 2003 2004 2005 2006 2007 2001 2002 2003 2004
Source: IDC Source: KISDI
¾ Growth of mobile data usage worldwide ¾ More bandwidth per user
3 I.I. BriefBrief IntroductionIntroduction OfOf KTKT (3/3)(3/3) - Broadband Market Trand
Broadband market Wireless broadband market 79% 73% 64%
26% 12.2 11.2 9.9 What’s the next Next What’s the next 2% big thing ? 4.0 6.1 (Unit: Million) 5.6 4.6 1.7 0.3 1999 2000 2002 2003 3. 2005 (Korea)
Total broadband subscriber KT subscriber Broadband household penetration
Continue to grow in residential broadband and expand into wireless broadband 4 II.II. OverviewOverview OfOf WiBroWiBro (1/6) (1/6) - Definition
“WiBro service means high speed wireless internet service which is available anytime, anywhere using portable terminal in stationary or even in mobile environment.” ) WiBro: Wireless Broadband
“Stationary or Any time, Mobile “ “High Data Rate” “Low Tariff” Any where Environment” ”
■ Seamless ■ 1+ Mbps User ■ Nomadic ■ Service Data Rate (Day 1) Low CAPEX ■ Vehicular even in outdoor ■ Roaming with ■ Higher Data Rate Mobility such as street, WLAN and CDMA park and etc. (Future)
Handset terminal PCMCIA card for Handset PDA Handheld PC Notebook PC for Notebook Notebook and PDA
5 II.II. OverviewOverview OfOf WiBroWiBro (2/6) (2/6) - Evolutionary Path
2000 2005 2010 4G
Cellular or Vehicular 3.5G 3G Convergence 2G/2.5G Network W-CDMA / HSDPA / AMPS EV-DV GSM / cdma-2000 cdmaOne
Mobility WiBroWiBro WLL Wireless Access Network IEEE 802.16 WLAN IEEE 802.11 Nespot (WLAN)
IEEE 802.3 LAN Internet Megapass (xDSL) Pedestrian
■ Evolution of the Technology - Wired Internet: IEEE802.3(LAN) Æ IEEE802.11(WLAN) Æ IEEE802.16(WiBro) - Cellular Network: 1G (Analog) Æ 2G (Digital) Æ 3G (IMT-2000) Æ 3.5G (HSDPA) ■ WiBro is a ‘last mile’ extension of the wired Internet.
6 II.II. OverviewOverview OfOf WiBroWiBro (3/6) (3/6) - Positioning
ServiceService PositioningPositioning Mobility Tariff Competitiveness Service beyond the bounds of WLAN, CDMA 1x(EV-DO), IMT2000
High 3G (IMT- Data Rate Mobility 2G 2000) (IS-95, Nomadic Cellular) WiBro Portability WiBro Cordless Cordless phone WLAN DATA IMT-2000 Fixed Wired Phone High speed DSL(ADSL,VDSL ..) Rate
ServiceService ComparisonComparison Item WiBro High Speed DSL WLAN Mobile Com.
Service Area Outdoor/Indoor Indoor Indoor (Hotspot) Outdoor/Indoor
Data Rate High Speed Ultra High Speed Very High Speed Med/Low speed Mobility High No Low Very high Contents Wired/Wireless Contents Wired Wired/Wireless Wireless Tariff Relatively Low Relatively Low Low High Smart phone, PDA, Notebook Terminal Desktop, Notebook PDA, Notebook Cellular phone, PDA etc.
7 II.II. OverviewOverview ofof WiBroWiBro (4/6) (4/6) -Performance
W-CDMA CDMA 2000 Item WiBro R4 R5 (HSDPA) 1x EV-DO 1x EV-DO Rev.A (*)
Duplex TDD FDD FDD FDD FDD Multiple Access OFDMA CDMA CDMA CDMA CDMA Bandwidth (FA) 10MHz 5MHz x 2 5MHz x 2 1.25MHz x 2 1.25MHz x 2 Frequency 2.3~2.4GHz UL:1.94~1.98/DL:2.13~2.17GHz 800MHz/1.8GHz 800MHz/1.8GHz
DL 18.432 Mbps 2 Mbps 13.976 Mbps 2.4576 Mbps 3.072 Mbps Max. Data Rate (1FA 1sector) UL 6.144 Mbps/User 2 Mbps/User 2 Mbps/User 153.6 kbps/User 1.2288 Mbps/User
Average DL 5.95 Mbps 1.04 Mbps 5 Mbps 850 kbps 825 kbps Throughput (1FA 1sector) UL 1.53 Mbps 1.21 Mbps 1.5 Mbps 266.1 kbps 465.4 kbps
802.16-2004/Cor1, Standardization 2001.3 2002.6 2000.10 2004.2 802.16e (2005.9) Network Deployment yr. 2006 Seoul Area yr. 2006 Operating yr. 2005
(*) In Revision A, the performance of 1x EV-DO is increased to that of 1x EV-DV.
8 II.II. OverviewOverview ofof WiBroWiBro (5/6) (5/6) - Application Services
Mobile
Automobile Service SD Office SIM MMC SD MMC
Infra Seamless, Info IC Card Personal Info Ubiquitous Home Experience Ｅ-Tower Shop DVC STB Game ♪ TV Map Info PC Digital SD MMC Contents Audio
DVD Telephone Outdoor
9 II.II. OverviewOverview ofof WiBroWiBro (6/6) (6/6) - Service Requirement
ServiceService ClassClass
■ Interactive Service (Best-efforts) - Web Browsing, Interactive Game, etc. ■ Streaming Service (rtPS: Real Time Polling Service) - VoD, MPEG, etc. ■ Background service (nrtPS: Non Real Time Polling Service) - FTP, E-MAIL, SMS, multicast/broadcast, MMS, Push etc. ■ Real Time Service (UGS: Unsolicited Grant Service) -VoIP
RequirementsRequirements forfor ServiceService
■ Provide high speed internet access for outdoor users with xDSL data rate ■ Maximize the usage over the allocated spectrum ■ Maximize the spectral efficiency ■ Extend service coverage ■ Reduce the cost per bit ■ Low power consumption of MS ■ Faster handoff
10 III.III. StandardizationStandardization (1/6)(1/6) -TTA Standard
TTA has begun WiBro Standardization since June 2003. Establishment of 2 Working Groups and 2 Ad Hoc WiBro Standardization Activities & Timeline is as follows. ) TTA : Telecommunications Technology Association in Korea
Phase I Standardization for WiBro has been completed.
3Q 2003 Definition of Service/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 Proposals
1Q 2004 Completion of Draft Standard
2Q 2004 Approval and Notification of Standard
Phase II Standardization for advanced WiBro is in progress. 3Q 2004 Harmonization with IEEE 802.16e ~2Q 2005 Approval and Notification of New Standard including performance enhanced technologies such as MIMO, smart antenna etc.
11 III.III. StandardizationStandardization (2/6)(2/6) -TTA Standard
RadioRadio AccessAccess RequirementRequirement
MajorMajor SystemSystem Frequency Reuse Factor 1 RequirementRequirement Mobility ≤ 60 [Km/h] DuplexingDuplexing TDDTDD
Service Coverage ≤ 1 [Km] MultipleMultiple OFDMA AccessAccess OFDMA Spectral Efficiency Max. DL / UL = 6 / 2 [bps/Hz/cell(sector)] ChannelChannel Aver. DL / UL = 2 / 1 10 [MHz] BWBW 10 [MHz] Handoff ≤ 150 [ms]
Throughput Max. DL / UL = 3 / 1 [Mbps] (per user) Min. DL / UL = 512 / 128 [Kbps]
12 III.III. StandardizationStandardization (3/6)(3/6) -TTA Standard
ReferenceReference ModelModel ■ PSS (Portable Subscriber Station) - Wireless access Public IP Network - IP mobility, Terminal/User authentication - Multicast service, Other network HA interworking
IP Network of Operator ■ RAS (Radio Access Station) - Wireless Access - Radio resource management/Control AAA - Handoff support - QoS support, Downlink Multicast
ACR ACR ■ ACR (Access Control Router) - IP routing and Mobility management RAS RAS - Authentication/Security RAS RAS - QoS, IP Multicast, Billing support - Handoff control between RASs
PSS PSS PSS PSS ■ Core Network - Authentication, Billing - IP Mobility support 13 - Other network interworking III.III. StandardizationStandardization (4/6)(4/6) - IEEE 802.16 Evolution
802.16e (mobility)
Mobile Fixed Amendment Revised 802.16-2001 802.16a 802.16d (10-66GHz) (2-11GHz)
MAC MAC + MAC ++
PHY drop new PHY new PHY +
14 III.III. StandardizationStandardization (5/6)(5/6) - IEEE 802.16 Evolution
■ IEEE 802.16d ■ IEEE 802.16e Network Model - Revision to 802.16, 802.16a, 802.16c - Licensed bands, 2~11GHz - Non line of sight (Practical) - Lower component cost • Good for residential and small-business - 30Mbps in 10MHz BW ■ IEEE 802.16e - Amendment to 802.16a/c/d - Licensed bands, 2~6GHz - Non line of sight - Support vehicular mobility - Main concern on handoff and sleeping mode ■ IEEE 802.16-2004/Cor1 and 802.16e are scheduled to approve Sep. 22. 2005.
15 III.III. StandardizationStandardization (6/6)(6/6) -Harmonization
Korea decided IEEE 802.16-2004 and 802.16e as WiBro Baseline Standard. (Jul. 2004) Phase I Phase I Phase II Rev. 2004.6 2004.12 2004.4Q ~
• OFDMA/TDD • PHY Harmonization • Enhanced PHY/MAC • 1024 FFT, BW: 10MHz • MAC Harmonization • AAS, MIMO, LDPC, H-ARQ TTATTA • IOT Profile 802.16-2004 and 802.16e 802.16-2004 and 802.16e - Profile statement TTA TTA (2005.1Q) - Spec Work (2005.2Q) - Completion of Spec (2005.4Q)
IEEE-SA Issue Issue Issue IEEE Standard Board IEEE 802.16e/D5a 802.16e/D8 802.16e/D10 Approval 802.16e802.16e 2004.12 2005.5 2005.8 2005.9.22
16 IV.IV. WiBroWiBro Technology Technology (1/6)(1/6) - Requirements & Spectrum
■ WiBro system should satisfy IEEE 802.16-2004, IEEE 802.16e D3 above standard and 5 performance criteria Min data rate under 60km/h condition in cell edge: 512kbps (DL), 128kbps (UL) Bandwidth: above 9MHz Roaming between WiBro operators Frequency reuse factor: 1 Duplex: TDD including Tx/Rx time slot synchronization between WiBro operators
■ Spectrum allocation for WiBro service
4.5MHz 4.5MHz 10MHz 1st BandGB 2nd BandGB 3rd Band GB WLAN
CH1 CH2 CH3 CH1 CH2 CH3 CH1 CH2 CH3 CH1
2300MHz 2327 2331.5 2358.5 2363 2390 2400MHz
17 IV.IV. WiBroWiBro Technology Technology (2/6)(2/6) - TDD/OFDM in detail
Guard Tx channel Tx Tx Band Rx Duplexer RF f (two filters) Switch 1 f2 Tx/Rx is divided by time Rx Tx/Rx is divided by frequency Rx (RF switch is needed) (Guard Band, Duplexer is needed)
Item FDD TDD Guard Band Min 20~30MHz is needed Not Required
Symbol Rate Rs 2 Rs Power Amplifier - Max 3dB additional power is needed for the same coverage as FDD system Composition of channel Paired band Non paired band Tx/Rx timing Not Required Tx/Rx timing synchronization Inter-cell synchronization should be required for the prevention of TDD inherent interference
Cell radius Tx power Tx power + Guard Time + PA ramp-up Macro cell available Micro cell and Pico cell Channel reciprocity Low High
18 IV.IV. WiBroWiBro Technology Technology (3/6)(3/6) - TDD/OFDM in detail
■ OFDM-TDMA/FDMA/CDMA, Frequency hopping OFDMA
time OFDM symbols
user 1 frequency subcarriers
user 2
code user 3
user 1 < Pros > • Frequency Diversity Gain user 2 • Inter-cell Interference Reduction < Cons > user 3 • Difficulty in finding good hopping pattern for t channel condition Cluster-based Hopping Comb-based Hopping t 19 IV.IV. WiBroWiBro Technology Technology (4/6)(4/6) - Key Features
■ RF Frequency: 2.3GHz ■ Multiple Access/Duplexing: OFDMA/TDD ■ Frame length: 5 msec ■ Bandwidth: scalable from 1.25MHz to 20MHz ■ Flexible subchannelization for band selection and diversity ■ Fast AMC (Adaptive Modulation and Coding) subchannel based on uplink CQI (Channel Quality Indicator) ■ Full diversity subchannel by multiple symbol grouping ■ Cell differentiation with different PN sequences ■ Pilot tone based downlink and uplink ■ Separate ranging channel time slot ■ More efficient channel code: convolutional (or block) turbo code ■ H-ARQ in the downlink and uplink ■ Modulation level: QPSK, 16QAM, 64QAM ■ Optional AAS (Adaptive Antenna System) support
20 IV.IV. WiBroWiBro Technology Technology (5/6)(5/6) - System Parameters
Parameter Value Channel spacing 9 MHz Effective bandwidth 8.75 MHz Number of used tones 864 out of 1,024 Number of data tones 768 Number of pilot tones 96 Tone spacing 9.765625 kHz Ratio of cyclic prefix time to basic OFDM symbol time 1/8 Basic OFDMA symbol time 102.4 μs Cyclic prefix time 12.8 μs OFDMA symbol time 115.2 μs TDD frame length 5 ms Number of symbols in a frame 42 TTG+RTG 161.6 μs
21 IV.IV. WiBroWiBro Technology Technology (6/6)(6/6) - KT WiBro Testbed
WiBro Testbed • RAS: ⓐCentral(중앙), ⓑNam-Dae-Moon(남대문) ⓔ 광화문 ⓒSu-Ha(수하), ⓓCity-Hall Station(시청역) ⓔGwang-Wha-Moon(광화문) • ACR: ⓐ Central(중앙)
KT Premium Net. ⓒ 수하
ACR ACR
EMS Service S/W Platform AAA ⓓ 시청역
FAN-S FAN-S FAN-S FAN-S FAN-S FAN-S
RMB RMB RMB RMB RMB RMB
Air Baffle Air Ba ffle Air Baffle Air Ba ffle Air Ba ffle Air Baffle
백 백 백 보 H 보 H 보 H 백 백 백 드 B 드 B 드 B 보 H 보 H 보 H I Front End Unit T I Front End Unit T I Front End Unit T 드 B 드 B 드 B / U / U / U I Front End Unit T I Front End Unit T I Front End Unit T F F F / U / U / U F F F
1800mm Channel Combiner 1800mm Channel Combiner 1800mm Channel Combiner
1800mm Channel Combiner 1800mm Channel Combiner 1800mm Channel Combiner
PDP PDP PDP PDP PDP PDP
CBP CBP CBP CBP CBP CBP BLANK BLANK BLANK BLANK BLANK BLANK Power Amplifier Power Amplifier Power Amplifier Power Amplifier Power Amplifier Power Amplifier
FAN-P FAN-P FAN-P FAN-P FAN-P FAN-P ⓐ 중앙 700mm 700mm 700mm 700mm 700mm 700mm ⓐ ⓐ ⓑ ⓒ ⓓ ⓔ ⓑ 남대문 (Indoor)
• source: Maravedis (2004) • source: Korea Information Strategy Development Institute (2004)
Wireless broadband market will keep growing Domestic: In 2011, about 9 million users (KISDI) Overseas: In 2008, mobile broadband market will be the 40% of broadband market
23 V.V. BusinessBusiness PlanPlan (2/10)(2/10) -Market Analysis
User’s needs
Potential target users: Young generation (age 10-40), business professionals, students, etc. Internet usage pattern: Web surfing & download (40%), email (20%), game (17%), etc. Preferred services: email > game > web surfing > messenger Preferred user devices: PDA (42%), laptop (36%), and other devices (<10%).
PreferredPreferred devicedevice ÆÆ PreferredPreferred serviceservice ÆÆ PreferredPreferred locationlocation ÆÆ PDA,PDA, laptoplaptop emailemail >> gamegame …… OnOn movemove
PDA 42.1% 59.5% 55% School/work 56.7% Laptop 36.3% 50.6% Bus/subway 30.2% Handheld PC 46% 9.3% 28.6% Streets
Smart phone 8.7% Indoor 40% MMS 3.5% email game Web Business trip Cell phone messenger
31% 24
13% V.V. BusinessBusiness PlanPlan (3/10)(3/10) - Business Model
BM strategy
Creating a strong value-chain with an open IP transport architecture. - Creating synergy with the conventional services by optimizing the service positioning (Win-Win) Aside from the individual users, create business models for enterprises and public sectors. - Networking of the individual, enterprise, and public sector will create synergy.
Market Enabler Barrier Fixed/wireless Convergence Carrier
Carrier + CP User CP User /Portal Open network Wired Portal Web site
CurrentCurrent mobilemobile InternetInternet FutureFuture high-speedhigh-speed mobilemobile InternetInternet serviceservice architecturearchitecture serviceservice architecturearchitecture 25 V.V. BusinessBusiness PlanPlan (4/10)(4/10) - Service Model
Develop killer application model for multimedia/convergence Emphasizing the strong points for high speed internet Combining with existing service to expand customer’s feasibility and maximize revenue generation
ExistingExisting ServiceService WiBroWiBroKiller Killer App.App.
Fixed Service Information: Information search, e-mail, Core Service • MMS (Multimedia Messaging Service) etc. Evolution • Push-type service - Group video chat, Ad & coupon service Entertainment: Movie VOD, etc. • Game: IP based various network games Other usage: e-Stock, e-Banking, • LBS (Location Based Service) e-Learning •• Multimedia Multimedia • IP Multicasting service - High-Quality VOD, broadcasting, movie •• Fixed/wireless Fixed/wireless
Wireless Service convergence Short Message Service (SMS) convergence Combination Combination
Service • WiFi combined service Entertainment: VOD, games • CDMA combined service m-Commerce: e-Banking, etc. • DMB combined service
• Application of core technology of KT’s existing infrastructure • Existing fixed/wireless contents + various internet services • Fixed (demand mobility) + Wireless (demand broadband) Æ Multimedia, 3D, upgrade by solution-combined production Æ Combined Service 26 V.V. BusinessBusiness PlanPlan (5/10)(5/10) - Contents Development
■ Contents Development and Management Strategy
- Utilize KT’s conventional portal services to develop Multi-Purpose Portals
- Utilize KT Group’s contents: KTF(Fimm/MagicN), KTH(Paran), KDB
- Utilize KTH’s MCP: Strengthen CP Relations
- Develop CP Management System: CP Selection, Support, Evaluation
Collaborate with Video KT Convergence Biz Group HomeN/HomeMedia/NESPOT For Contents Development KT New Biz Develop Group (Video/Music/Game etc.) Music MCP (KTH) Game Contents Collaborate with Contents Sourcing Supply FIMM/MagicN/Paran/KDB Education KTF/KTH/KDB & For sharing Contents CP Management CP News Management
Out-sourcing LBS For WiBro-customized WiBro-customed Contents Contents Commerce Development ••• 27 V.V. BusinessBusiness PlanPlan (6/10)(6/10) - Network Planning
Utilize KT’s state of art premium back bone and optical access network Low cost and efficient network
WiBro Network Architecture
WiBro Zone Internet Node Server Farm
Operate Management AAA(Diameter) System(Backend)
Repeater RAS Metro ACR Ethernet KT BcN Application Service Server(Core) switch HA
Access Network Transfer Network Internet Back Bone Server Farm
※ RAS: Radio Access Station, ACR: Access Control Router, BcN: Broadband Convergence Network, HA: Home Agent 28 V.V. BusinessBusiness PlanPlan (7/10)(7/10) - Network Deployment
February 2006, KT WiBro Service starts in Seoul.
NetworkNetwork DeploymentDeployment WirelessWireless NetworkNetwork IntegrationIntegration
Seoul
In-Cheon
2G/3G Hot Dae-Jun Zone
WiBro Dae-Gu Ul-San Hot Spot A Gwang-Ju P A Bu-San P A A P P
Stage1 Library Airport Stage2 Stage3
- Stage1 : Seoul, metropolitan (10) - 2G/3G: Voice-oriented, wide-area, narrow-band - Stage2 : Metro, major cities (20) - WiBro: Urban cities - Stage3 : Minor cities (54) - WiFi: Hot-Spot
29 V.V. BusinessBusiness PlanPlan (8/10)(8/10) -WiBroSystems
■ Production Schedule RAS (Base Station) PSS (Mobile Station) Vendor Samsung, LG, POSDATA Samsung, POSDATA, Orthotron, RunCom Schedule End of 2005 End of 2005 ~2006 ☞ 2005.11 Busan APEC : City-wide WiBro Demonstration
Standard RAS
FAN-S
RMB
Air Baffle
백 보 H 드 B Mini-RAS I Front End Unit T / U F
1800mm Channel Combiner
PDP
CBP BLANK Power Amplifier
FAN-P
700mm 30 V.V. BusinessBusiness PlanPlan (9/10)(9/10) - User Equipments
Terminal roadmap
DBDM Customized one chip 9 WiBro + Wi-FI 9 WiBro + CDMA 9 Personal/business 9 WiBro + DMB TBTM 9 Convergence 9 Application specific 9 WiBro + Wi-FI + DMB WiBro only 9 WiBro + CDMA + DMB 9PCMCIA’s 9Embeded modem’s 9PDA’s
Early stage Growing stage Matured stage
31 V.V. BusinessBusiness PlanPlan (10/10)(10/10) - APEC Demo
WiBro demonstration during Busan APEC Summit Date: 2005. 11.12~20 Guest: APEC participants (15,000 VIPs: Political leaders, CEOs, Press, etc.) Service Area: Bexco convention center, Dong-bak Island, Hae-Woon-Dae Hotel Demo Services
9High-speed Wireless Internet Access, World News, APEC News 9Real-time Mobile Multimedia, Messaging, Chatting and Internet Broadcast
In order to communicate probe data or information between Bus and Traffic Management Center, Wireless & Mobile Technology must be applied.
■ Fixed Line - PSTN Modem, ADSL -Coaxial cable - Optical Fiber Cable
■ Wireless - RF Beacon [Unlicensed Radio, UHF Band, 4800 bps] - Wireless Data Network [Band Width 2Mhz, 9600 bps] - DSRC (Dedicated Short Range Communications) - Wireless LAN - WiBro (Wireless Broadband) : Coming on Febuary 2006
■ Mobile - TRS (Trunked Radio System) : Not Applied yet - CDMA - HSDPA (High Speed Downlink Packet Access) : Coming on April 2006
33 VI.VI. EmergingEmerging TechnologyTechnology inin ITS(2/3)ITS(2/3) - Current Status in Korea
Wireless Communication Technologies Applied to BIS/BMS Leasing wireless network costs more than building a private wireless network in long term. There fore many cities prefer building a private wireless network in BIS/BMS Most of leased networks are wireless data network since it cost less to build other type of wireless network
TheThe OperationOperation TypeType ofof WirelessWireless NetworkNetwork TheThe RatioRatio ofof WirelessWireless TechnologiesTechnologies inin KoreaKorea appliedapplied toto ATPS(BIS/BMS)ATPS(BIS/BMS)
0.4% WLAN+CDMA 5%
77% WDN 25%
13% RF Beacon 55% Leased, 6 8% cities , 30% DSRC 10% % of buses Private, 13 2% CDMA % of cities cities, 65% 5%
Type of Wireless No. of cities No. of buses Leased+Privat CDMA 1 231 e, 1 city, 5% DSRC 2 967 RF Beacon 11 1,614 Wireless Data Network 5 9,716 WLAN+CDMA 1 50 Total 20 12,578 34 VI.VI. EmergingEmerging TechnologyTechnology inin ITS(3/3)ITS(3/3) - Future Basics of Wireless Communication Technology in BIS/BMS
Major Requests from local autonomous entities for BIS/BMS in Korea – Service Coverage : Limited area → Wide area (nation-wide) & All area – 2-way Communication (download, upload) – Data Rate : Limited data Speed (under 10 Kbps) → High Speed (over 1 Mbps) – Real Time Response : Minimize Time Lag & Time Delay – Ensuring stability in BIS/BMS Services – Low Costs of Construction & Operating BMS/BIS – Availability for additional ITS Service (ATIS, etc) & Other Personal Service (Telematics, etc)
Expected Outcome from WiBro
• portability & mobility • nation-wide coverage • high speed • inter-activity • price competitiveness
35 Thank you !
WiBro WiMAX
ManufacturingManufacturing && ExtensiveExtensive networknetwork && operatingoperating terminalterminal expertiseexpertise
RelaxedRelaxed regulationregulation MutualMutual cooperativecooperative partnershippartnership
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