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HowHowHowHowHowHowHowHow Mobile TVMobile TVMobile TVMobile TVMobile TVMobile TVMobile TVMobile TV Implemented withImplemented withImplemented withImplemented withImplemented withImplemented withImplemented withImplemented withVHFVHFVHFVHFVHFVHFVHFVHF
May, 2011
Technology Business Division
Contents
• Digital ConversionDigital ConversionDigital ConversionDigital Conversion
• Frequency AllocationFrequency AllocationFrequency AllocationFrequency Allocation
• Future Plan of Frequency Usage in KoreaFuture Plan of Frequency Usage in KoreaFuture Plan of Frequency Usage in KoreaFuture Plan of Frequency Usage in Korea
• TTTT----DMB Total SolutionsDMB Total SolutionsDMB Total SolutionsDMB Total Solutions
• TTTT----DMB ImplementationDMB ImplementationDMB ImplementationDMB Implementation
• TTTT----DMB Technology EvolutionsDMB Technology EvolutionsDMB Technology EvolutionsDMB Technology Evolutions
• ConclusionConclusionConclusionConclusion
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◆ Digital ConversionDigital ConversionDigital ConversionDigital Conversion
• 2012.12.31: Analog Switch off in Korea
• Frequency:470-697 Mhz (ATSC)
• 38 Channels
• Band III Analog Broadcasting Off
• 174-216 T-DMB Allocation
◆ Frequency AllocationFrequency AllocationFrequency AllocationFrequency Allocation
D-TV
470 698
D-TV
806
Fixed
Mobile
Weather Satellite(2nd)
460
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◆ Future Plan of Frequency Usage Future Plan of Frequency Usage Future Plan of Frequency Usage Future Plan of Frequency Usage In In In In KoreaKoreaKoreaKorea
▶ 54~72Mhz, 76~88Mhz : DTV Reserve
▶ 174~216Mhz : T-DMB
▶ 698~806Mhz: Re-Allocation (After 2013 -)
▶ 698-740Mhz: Fixed Broadcasting/ Mobile
Communication(ITU recommended for Next Mobil Communication Bandwidth)
◆ TTTT----DMB Total SolutionsDMB Total SolutionsDMB Total SolutionsDMB Total Solutions
T-DMB
Terrestrial Digital Multimedia Broadcasting which provides
various data services such as program information, product
information, traffic information as well as audio and video
services on a mobile environment at 300Km/h speed
for 24 hours a day using various mobile terminals.
* TT--DMBDMB :: Terrestrial Digital Multimedia Broadcasting
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Cell phone
Audio Lap top/PC
Satellite DMB
Terrestrial DMB
Mobile
Portable
Fixed
Broadcasting Centers
CAR AV
Expanded concept from DAB (Digital Audio Broadcasting) to DMBExpanded concept from DAB (Digital Audio Broadcasting) to DMBExpanded concept from DAB (Digital Audio Broadcasting) to DMBExpanded concept from DAB (Digital Audio Broadcasting) to DMB
(Digital Multimedia Broadcasting)(Digital Multimedia Broadcasting)(Digital Multimedia Broadcasting)(Digital Multimedia Broadcasting)
� ITU defines as DAB (Digital Audio Broadcasting), but Korea chose the term ITU defines as DAB (Digital Audio Broadcasting), but Korea chose the term ITU defines as DAB (Digital Audio Broadcasting), but Korea chose the term ITU defines as DAB (Digital Audio Broadcasting), but Korea chose the term
DMB, to reflect the characteristics of mobile multimedia broadcasting.DMB, to reflect the characteristics of mobile multimedia broadcasting.DMB, to reflect the characteristics of mobile multimedia broadcasting.DMB, to reflect the characteristics of mobile multimedia broadcasting.
Audio servicAudio servic
Stereo with CD qualityStereo with CD quality
Video serviceVideo service
Video : SD quality (’7 LCD)Video : SD quality (’7 LCD)
Audio : Stereo (FM quality)Audio : Stereo (FM quality)
Data : Text & GraphicData : Text & Graphic
Data serviceData service
Traffic, headline news, stocksTraffic, headline news, stocks
Weather, EPG, interactive services, etc Weather, EPG, interactive services, etc
T-DMB Service Overview
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Contents providers
Program arrangementT-DMB network operation
T-DMB Service
Multiplexer
Mobile telecom
Industries
Data service channel
Data service (DMB & CDMA N/W)
Service fees
Contents fees
Contents
Request foradvertisements
Eyes for Advertisement,Data service fees
Channel rent fees
Charge for AD
Customers
T-DMB Service Structure
T-DMB System Structure
StreamMode
Data Service
Audio Service (MUSICAM)Packet or stream Mode
TSMux
RSEncoder(204,188)
Video Encoder(H.264)
Audio Encoder
(ER-BSAC)
Video
AssociatedAudio
(Interactive)Data
Videoservice
Eureka-147 DAB System (ETSI 300 401)
Transmitter
Additional modules for T-DMB
DABMUX
OFDMModulation
Conv.Interleaver
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T-DMB System Figure
DMB TerminalsPhone In-Car
Laptop & USBTap & I-phone
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Frequency Range for T-DMBBand III
5A 174.928MHz 8A 195.936MHz 11A 216.928MHz
5B 176.640MHz 8B 197.648MHz 11B 218.640MHz
5C 178.352MHz 8C 199.360MHz 11C 220.352MHz
5D 180.064MHz 8D 201.072MHz 11D 222.064MHz
6A 181.936MHz 9A 202.928MHz 12A 223.936MHz
6B 183.648MHz 9B 204.640MHz 12B 225.648MHz
6C 185.360MHz 9C 206.352MHz 12C 227.360MHz
6D 187.072MHz 9D 208.064MHz 12D 229.072MHz
7A 188.928MHz 10A 209.936MHz 13A 230.784MHz
7B 190.640MHz 10B 211.648MHz 13B 232.496MHz
7C 192.352MHz 10C 213.360MHz 13C 234.208MHz
7D 194.064MHz 10D 215.072MHz 13D 235.776MHz
13E 237.488MHz
13F 239.200MHz
L-Band LA 1452.960MHz LI 1466.656MHz LQ 1480.352MHz
LB 1454.672MHz LJ 1468.268MHz LR 1482.064MHz
LC 1456.384MHz LK 1470.080MHz LS 1483.776MHz
LD 1458.906MHz LL 1471.792MHz LT 1485.488MHz
LE 1459.808MHz LM 1473.504MHz LU 1487.200MHz
LF 1461.520MHz LN 1475.216MHz LV 1488.912MHz
LG 1463.232MHz LO 1476.928MHz LW 1490.624MHz
LH 1464.944MHz LP 1478.640MHz
Trial Services Commercial services
� Egypt, Indonesia, Thailand, Hong Kong, Norway
� Under Review: France (Orange Telecom)Dominica Republic, Mexico
� Dec. 2005: Korea � May, 2006: German� May, 2008: Ghana� May, 2009: Norway� Sep, 2010: Cambodia / Vietnam
Hong Kong2008.6
Vietnam2010.8
Norway2008.9
Columbia2007.10Ghana
2008.5
Egypt 2008.5 Thailand
2008.5
Indonesia2007.3
Korea2005.12
T-DMB World Map
France(Review)
Malaysia2008.7
China2007.12
German/Denmark(2006.5)-MFD-MVNO
Dominica
2011.10Mexico
2012.01
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◆◆◆◆ TTTT----DMB ImplementationDMB ImplementationDMB ImplementationDMB Implementation
KBS MBC SBS YTNDMB U1media HankookDMB
2005.12. T-DMB Service Launching in KOREA
26 Million Subscribers (2010.12)
VHF Band III ( Analog TV Freq.)VHF Band III ( Analog TV Freq.)VHF Band III ( Analog TV Freq.)VHF Band III ( Analog TV Freq.)
ch2 ch3 ch4 ch5 ch6 ch7 ch8 ch9 ch10 ch11 ch12 ch13
T-DMBEnsemble
SBS KBS2 MBC EBSKBS1AFN
Terrestrial VHF Bandwidth
T-DMBChannel
Total # of Channels : 16 Videos, 6 Audios, 6 Data
Spectrum : VHF Band III (TV channel 8,10, 12)
M
Commercial Services Status in Korea
M M M M M M M M
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Service Site & Channel Allotment in Korea
Transmitter
VHF Channel: 7~13
20062006200620062006200620062006
20072007200720072007200720072007
20082008200820082008200820082008
Bi-directional,Personalized,
3D, etc.
20052005200520052005200520052005
Commercial Service
Launched
Nationwide BroadcasterSelected
Data Service Launched
Nationwide Service
Data Services
2.28 million
0.5 million
8 million
26 million
services
terminal
sales
TTTT----DMBDMBDMBDMB
ServicesServicesServicesServices
TTTT----DMBDMBDMBDMB
ServicesServicesServicesServices
2010.12: 26 Million Subscribers in Korea
AT-DMB (Advanced T-DMB)
◆◆◆◆ TTTT----DMB Technology EvolutionsDMB Technology EvolutionsDMB Technology EvolutionsDMB Technology Evolutions
• Same Bandwidth = Double Channels
• Same Channel = Double Quality
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3D-DMB
◆◆◆◆ ConclusionConclusionConclusionConclusion
VHF - Band III (174 – 216 Mhz)
TTTT----DMB DMB DMB DMB
▶▶▶▶ Optimization Usage of VHFOptimization Usage of VHFOptimization Usage of VHFOptimization Usage of VHF
▶▶▶▶ Wireless Mobile Digital BroadcastingWireless Mobile Digital BroadcastingWireless Mobile Digital BroadcastingWireless Mobile Digital Broadcasting
▶▶▶▶ Local Digital BroadcastingLocal Digital BroadcastingLocal Digital BroadcastingLocal Digital Broadcasting
▶▶▶▶ Interactive ServiceInteractive ServiceInteractive ServiceInteractive Service
▶▶▶▶ Emergency BroadcastingEmergency BroadcastingEmergency BroadcastingEmergency Broadcasting
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Thank You