The current status and the future direction of DMB technology 2005. 9. 29. [email protected] ::: ETRI, The Future Wave :::1 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 -2- ::: ETRI, The Future Wave ::: 55 1.1. IntroductionIntroduction -3- ::: ETRI, The Future Wave ::: 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 -5- ::: ETRI, The Future Wave ::: DMB Receiver Types -6- ::: ETRI, The Future Wave ::: 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 -7- ::: ETRI, The Future Wave ::: 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. -8- ::: ETRI, The Future Wave ::: 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. -9- ::: ETRI, The Future Wave ::: 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 -10- ::: ETRI, The Future Wave ::: 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 -11- ::: ETRI, The Future Wave ::: 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 -12- ::: ETRI, The Future Wave ::: 60 2.2. EvolutionEvolution ofof BroadcastingBroadcasting TechnologyTechnology -13- ::: ETRI, The Future Wave ::: 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 -14- ::: ETRI, The Future Wave ::: 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 -15- ::: ETRI, The Future Wave ::: 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 -16- ::: ETRI, The Future Wave ::: 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 -17- ::: ETRI, The Future Wave ::: 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 -18- ::: ETRI, The Future Wave ::: 63 3.3. ScheduleSchedule andand ModelModel ofof T-DMBT-DMB ServiceService -19- ::: ETRI, The Future Wave ::: 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. -20- ::: ETRI, The Future Wave ::: 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. -21- ::: ETRI, The Future Wave ::: 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) -22- ::: ETRI, The Future Wave ::: 65 T- DMB BM ( III ) Constant Fee base AV service c p o Contents provider r n Contents provider o t v e i n d t i s c n o g n ten ts f e e Ad. provider ad. fee (goodsAd. provider)provider AV service (goods provider) Broadcaster Broadcaster Usage fee/PPV fee goods purchase User User -23- T- DMB BM ( IV ) ::: ETRI, The Future Wave ::: Data service co p nt ro e v n Contents provider id ts Contents provider c i o n nt g ent s f ee A Broadcaster V Broadcaster / da ta s e er . fe data vi ad ce providing Ad. provider (goodsAd. provider)provider (goods provider) service fee/comm. fee Telco. Telco. web service