The current status and the future direction of DMB technology
2005. 9. 29.
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Contents
1.1. IntroductionIntroduction
2.2. EvolutionEvolution ofof BroadcastingBroadcasting TechnologyTechnology 3.3. ScheduleSchedule andand ModelModel ofof T-DMBT-DMB ServiceService 4.4. DataData ServiceService andand TechnologyTechnology 5.5. Concluding Remarks
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55 1.1. IntroductionIntroduction
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Characteristics of DMB
• mobile multimedia (audio/video/data) broadcasting Mobile (mobile TV upto 200km/h) services at anytime, Mobile anywhere with any devices
• Personalized services by handheld receivers Personal (cellular phone, PDA, notebook, PMP, etc.) • Bi-directional interactive services in conjunction with Interactive mobile communication networks (TTI, PPV, on-line shopping, internet access, etc.) CAR AV mobile Broadcasting Centers S-DMB Cellular PDA
handheld PMP
video T-DMB audio Mobile AV equip. PC life infor. communication network fixed
* TTI : Traffic and Travel Information -4- ::: ETRI, The Future Wave :::
56 DMB Services
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DMB Receiver Types
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57 Characteristics of T-DMB and other media
T- DMB S-DMB T-DTV CATV S-DTV (System-A) (System-E)
Service Mobile Mobile Fixed Fixed Fixed/mobile Type (base free) (subscription) (base free) (subscription) (subscription)
Multimedia, Multimedia, Program Audio, etc. Audio, etc. 5ch ~80ch ~140ch 6~12ch* ~40ch Regional Regional Regional Coverage Nationwide Nationwide Nationwide Nationwide Nationwide Personal/Mobile Personal/Mobile Fixed/Wide Fixed/Wide Fixed/mobile Receiver (2-7”) (2-7”) (HD) (HD) (HD) (VCD/QVGA) (VCD/QVGA)
* Seoul Metropolitan Area
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Concept of DMB Service (System-A) Terrestrial and Satellite frequency of up to 3GHz with gap filler
GPS
1 .4 5 L 2 - b ~ a radio studio 1 n .4 d 9 2 G H S-DMB z Delivery Network Broadcasting (IP/data) Center TV studio Gap Filler Hanheld
이 VH F: 17 L 4 ~ 2 Band 40 MH : 1.45 z Fixed additional data 2 ~ 1 휴대 .492 Mobile provider T-DMB GHz Broadcasting Center
Mobile/Fixed Comm. Net.
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58 Concept of S-DMB Service (System-E) Satellite frequency of 2.6GHz with gap filler
(Satellite E144 °) 1 Ku 2. - 21 Ba 4~ nd 1 (T 2. DM GPS 23 ) 2 9 S G ) z . H M H 6 - z D G 3 b T 9 0 4 a d( n n .8 ) ~ Gap a 3 z d 1 M H 2 ( B D G . C - ~ C 3 6 Filler u 8 D K 4 d( 8 5 2 n . 5 M .8 a 3 G 3 B 1 ) - H 1 u ~ 8 z K 5 .8 S-Band(CDM) 13
Program Contents Provider (A/V/Data ) S-DMB Broadcasting Center Mobile/Fixed Comm. Net.
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Specification of System-A & System-E
System System-A System-E Remarks Item Rec. ITU-R BS. 1114 Rec. ITU-R BO. 1130-4
Medium Terrestrial, Satellite, and Cable Satellite only
upto 3 GHz Broadcasting • Terrestrial : VHF(174 ~ 240 MHz), S-band (2.630 ~ 2.655 MHz) Frequency L-Band(1.452 ~ 1.492 GHz • Satellite : L-band(1.452 ~ 1.492 GHz) Ku-band - Frequency for Relay Frequency No spec. up : 14 GHz satellite comm. Down (to Gap Filler) : 11 GHz -QPSK/TDM
Basic Transmission -Bandwidth - 1.536MHz -25 MHz - Modulation -DQPSK -QPSK - Transmission Multiplex -OFDM -CDM S System-E includes -Audio - MPEG-1,-2 Layer 2 - MPEG-2 AAC RS - Transport -Eureka 147 - MPEG-2 Systems - Inner FEC - Convolution Code ( (4,1,7) Variable - Convolution Code ( (2,1,7) Variable Rate, 24 modes) Rate, 5 modes) - RS(204,188) AV Outer FEC RS(204,188) AV multimedia spec. added to each Mul Video MPEG-4 Part 10(AVC) Baseline @Level 1.3 MPEG-4 Part 10(AVC) Baseline @Level 1.3 ti- System spec. me Audio MPEG-4 BSAC MPEG-2 AAC-LC+SBR dia Add. Data MPEG-4 Systems BIFS -
Data Multiplex MPEG-4 Systems (SL) + MPEG-2 Systems MPEG-2 Systems
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59 DMB System-A Standardization Status
EU Standard Global Standard
WorldDABWorldDAB Forum Forum ITUITU
WDFWDF standardstandard (‘04.12.)(‘04.12.) ApprovedApproved asas thethe ITU-RITU-R ReportReport ETSIETSI standardstandard (’05.7.)(’05.7.) (’04.11.)(’04.11.) -- ReportReport ITU-RITU-R BTBT [6/122][6/122] ITU-RITU-R RecommendationRecommendation atat thethe endend ofof 20052005
2004.12. Erlangen, Germany
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T-DMB Introduced Worldwide
9 Beijing Radio : T-DMB for the 2008 Olympic Shanghai TV, Foshan Radio Amsterdam 9 Netherlands (’04.9.10~14) Beijing China Munich London (’04.11. 16) Germany GB (’04.10. 22) Las Vegas (’04.12. 2) U.S.A. (’05.4.16~21 ) Paris Istanbul France Turkey Mexico City (’04.12. 7) (’05.4.16 ) Mexico (’05.6.16)
San Paulo Brazil 9 BLM T-DMB trial(’05.10.) Lima (’04.11.17) Peru for the 2006 WorldCup (’05.6.1~2)
9interested in ATSC+T-DMB services
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60 2.2. EvolutionEvolution ofof BroadcastingBroadcasting TechnologyTechnology
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Trends in Convergence Era
Seamless wireless mobile MobilityMobility Trend 1 telecommunication Services
Wireless & Mobile Intelligent, personalized Smart Handheld Terminal
Broadband wired & wireless MultimediaMultimedia Trend 2 All IP Networks
Digital Broadband Multimedia Contents (movie, music, etc.)
Voice/Data, wired/wireless ConvergenceConvergence Integrated Services Trend 3 Convergent Services of Convergent Service telecom. & broadcast
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61 Evolution of Broadcasting Service
~ 2001 2002 ~ 2007 ~ 2011 ~
Uni-directional Infor. Selective Personalized Creative TV TV Service TV Service TV Service Service
• A/V Digital • EPG service • ECG service • Viewers create and Broadcasting service • Weather, stock and • Interactive contents distribute contents to other daily life service program provider information service and/or other users
* Creative TV Allow viewer to create their own media worlds according to their specific interests or tastes Viewers to be able to shape TV – Viewer are able to participate in storylines, manipulate plots Example: New Media for a New Millennium (NM2) EU Project
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New Broadcasting Services : Vision
Smart terminal Home HDTVHDTV gateway Anydevice Anywhere Convergent Network gamesgames Content SatelliteSatellite AV Music Interactive service Mobile program 3D TV terminal Multimedia ComputerComputer Anytime CableCable TerrestrialTerrestrial
Wired/wireless HDTV T-Commerce 3D A/V PC DMB terminal
Realization of Ubiquitous society
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62 New Broadcasting Services : Property
Contents digestion Functionalities Interactivity
• Retrieval of favorable ones • Connection to Home net. • Selection of contents •Filtering • X-commerce • Content based •Summarization • T- government bi-directionality • Manipulation
Through the convergence of both broadcasting & communication, a user can utilize his/her favorable contents at anytime, anywhere with any devices
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New Broadcasting Services : Milestone
Important ’03 ’04 ’05 ’06 ’07 ’08 ’09 ’10 ’11 ’12 Point Medium Coverage area extension Metropolis Province Nation-wide HD broadcasting Contents Ratio Terrestrial 10 % 30 % 50 % 100 %
Data broadcasting Personalized broadcasting
Channels for HD Contents HD HD 1Ch 3Ch 5Ch 10Ch Wideband Adaptive Satellite broadcasting Broadcasting Satellite
Interactive broadcasting Personalized Broadcasting
Digital conversion 50 % 100 % T-Government / Giga class Cable Service Cable
Data broadcasting / SD VOD Personalized broadcasting / HD VOD
Coverage area extension Experimental Test Main Nation-wide Terrestrial Mobile Broadcasting Data broadcastingBidirectional Data broadcasting
Satellite Main Data broadcastingBidirectional Data broadcasting
3D Stereoscopic 3DTV broadcasting Broadcasting Experimental Test Main broadcasting Multiview 3DTV broadcasting Experimental broadcasting
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63 3.3. ScheduleSchedule andand ModelModel ofof T-DMBT-DMB ServiceService
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Schedule of T- DMB Service
2005 2006 2007~
Public Uni-directional o Bi-directional Data Data (6 providers) Data o Personal customized o 3D Display
Multimedia
Traffic, Location, News, Stock, CD quality music Weather, Goods T-commerce, Information etc. hotel, performance etc. reservation etc.
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64 T- DMB BM ( I )
Service Type Profit Source Remarks
• Advertisement * TV ad, banner ad, data related ad, Free AV service web related ad • Program sail * program sail in on/off line
• Constant subscription fee •S-DMB Constant Fee base • PPV program or channel •T- DMB AV service advertisement • considering
• usage fee of Data service up/down link • file download fee • T-commerce etc.
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T- DMB BM ( II )
Free AV service with Advertisement
c on p te ro nt vid s ing co nten ts Contents provider f Contents provider ee AV service
ee . f user ad BroadcasterBroadcaster user
goods purchase Ad.Ad. provider provider (goods(goods provider) provider)
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65 T- DMB BM ( III )
Constant Fee base AV service
c on p te ro nt vid s ing co nten Contents provider ts Contents provider f ee AV service
Usage fee/PPV fee
BroadcasterBroadcaster fee User ad. User
Ad. provider Ad. provider goods purchase (goods provider) (goods provider)
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T- DMB BM ( IV )
Data service
cont ents prov iding AV/da cont ta se ent rvice s fee
ContentsContents provider provider BroadcasterBroadcaster data providing e e fe e vic m. fe er m . s co d e/ user a fe d user / ate ice el rv g r e se tin ic eb as erv w dc . s roa m b om ec Telco.Telco. tel Ad. provider Ad. provider (goods provider) (goods provider) goods purchase
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66 4.4. DataData ServiceService andand TechnologyTechnology
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Relationship between Data Service Types
U • EPG m ni • EPG a i-d gr iir ••DownloadDownload game game ro ec pr d tii • Information (weather, n- te on • Information (weather, on lla a N Re ll traffic,traffic, travel, travel, etc.) etc.) R
••ReservationReservation (hotel, (hotel, theater, theater, •• SynopsisSynopsis & & Actor Actor of of Drama Drama • Music related information performance,performance, etc) etc) •• (singer,Music relatedsong) information • (singer, song) ••T-banking/homeT-banking/home shopping shopping •• PlayerPlayer information information of of ••T-governmentT-government SportsSports ••E-mail,E-mail, chatting chatting
• Quiz show, game B • Quiz show, game ii- di m • T-commerce ire ra • T-commerce c gr d tiio ro ed • T-learning n Pr at • T-learning a ell ll R ••T-pollT-poll
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67 Types of data service (I)
Uni-directional program related
ProvideProvide datadata relatedrelated toto broadcastbroadcastinging programprogram andand useruser selectionselection
data about news, drama
news additions talents, synopsis, background, place, production infor. tailored travel infor. associated with background
data about music data about sports
singer, song, background player profile, records, schedule, etc. disk infor. sports goods AD
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Types of data service (II)
Bi-directional program related
ProvideProvide datadata relatedrelated toto broadcastingbroadcasting programprogram andand useruser cancan returnreturn its’its’ opinion opinion andand getget additionaladditional informationinformation thruthru backback channelchannel
quiz show, game T-learning, PPV
T-poll T-commerce
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68 Types of data service (III)
Uni-directional non-program related
ProvideProvide datadata not-relatednot-related toto broadcbroadcastingasting programprogram andand useruser selectionselection
game download TTI service
Stock infor. Weather
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Types of data service (IV)
Bi-directional non-program related
ProvideProvide datadata not-relatednot-related toto broadcastingbroadcasting programprogram andand useruser cancan returnreturn its’its’ opinion opinion andand getget additionaladditional informationinformation thruthru backback channelchannel
T-banking/home shopping
공연정보 예약하기 예약정보확인 공연 예약서비스를 이용하시려면 ID와 PW를 입력하세요 예약 ID PW
T-government reservation
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69 TPEG TTI Service (1) User friendly navigation service Live Traffic & Transportation Information Massive Traveler & Location Information 9 Parking, Weather, Restaurant, Tourist Spot Information 9 Environment Information Alert
Bi-directional Location Based Service Weather 9 Hotel/Tourist Ticket Reservation Service 9 Travel Information on Demand
Stock
TPEG Detour
•TPEG : Traffic Protocol Experts Group •TTI : Traffic and Travel Information News -31- ::: ETRI, The Future Wave :::
TPEG TTI Service (2)
TTI Information Flow
DMB TTI Information Server Broadcasting Server GPS TTI Information DB
Mobile Reception DMB Transmitter
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70 Voice based EPG Service
Features Voice browser based on Voice EPG scenario description language (VoiceEpgXML) Automatic speech recognition (ASR) and synthesis (TTS) Synchronous speech and visual presentation
Voice EPG Browser
OperationOperation AdministrationAdministration && ManagementManagement
InterpreterInterpreter
AutomaticAutomatic UserUser ReceiverReceiver GraphicGraphic SpeechSpeech SpeechSpeech PreferencePreference ControlControl ControlControl OutputOutput RecognitionRecognition Platform Component
* TTS : Text to Speech
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Voice enabled Broadcasting Web Service
* VeBWS : Voice enabled BWS
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71 T-commerce Service (1)
Program related T-commerce
OrderingOrdering and and purchasing purchasing of of goods goods related related toto th thee live live program program throughthrough return return channel channel while while watchingwatching program program
ng after urchasin ted p connec the web
right purchasing within the program
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T-commerce Service (2)
Program independent T-commerce
OrderingOrdering and and purchasing purchasing of of goods, goods, of of which which th thee informationinformation isis provi providedded by by independent independent datadata channel,channel, through through return return channel channel whilewhile watching watching program program
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72 Personal customized Service
Dynamic program guide and contents browsing according to program genre and user preferences with rich content access tools
¾ ToC (Table of Contents) based browsing in terms of segment units
¾ Event/index-based summary and access for news programs
¾ Keyword-based segment search
Service Personalized News, Personalized T-Learning, etc.
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5.5. ConcludingConcluding RemarksRemarks
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73 Concluding Remarks
DMB provides a new paradigm of digital broadcasting
mobile, personal customized, bi-directional interactive multimedia
DMB provides ubiquitous infra for the convergence of broadcasting and telecommunications
DMB can vitalize broadcasting contents and equipments
DMB can be an easily accessible platform for new services such as 3D video
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Thank you for your attention
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