,2005 Paulo Paulo ,2005

ｒｄ ｒｄ

o asahi.co.jp

o asahi.co.jp 3 3 - ã ã - S S

＠ ＠ Executive Engineer Executive Engineer corporation tv asahi corporation September 2 September 2 maruyama@tv maruyama@tv

SET2005 Yoshiki Maruyama SET2005 Yoshiki Maruyama

Its Implementation Its Implementation

Digital Terrestrial Digital Terrestrial Broadcasting: Challenges Broadcasting: Challenges In In ContentsContents ‡‡ProfileProfile ofof tvtv asahiasahi ‡‡NationalNational DigitalizationDigitalization ‡‡ImplementationImplementation ‡‡ApplicationsApplications ‡‡ConclusionConclusion

2 ProfileProfile ofof tvtv asahiasahi

3 WhoWho isis tvtv asahiasahi ?? ‡‡JapanJapan hashas fivefive privateprivate broadcastingbroadcasting networks.networks. ‡‡tvtv asahiasahi isis aa keykey stationstation withwith aa networknetwork ofof 2323 locallocal affiliates.affiliates.

4 tvtv asahiasahi’’ss NationalNational TVTV NetworkNetwork ‡‡2424--stationstation nationalnational networknetwork

Hokkaido Television Broadcasting

Asahi Broadcasting

Akita Asahi Broadcasting Iwate Asahi TV

Yamagata Television System Higashinippon Broadcasting

Niigata Television Network 21 Hokuriku Asahi Broadcasting Asahi Broadcasting Asahi Asahi Asahi Broadcasting Broadcasting Television Home Kyushu Asahi Television tv asahi Corp Broadcasting Broadcasting Ehime Asahi Television Network Culture Telecasting Oita Asahi Broadcasting Asahi Broadcasting

Kagoshima Ryukyu Asahi Broadcasting Broadcast 5 tvtv asahiasahi’’ss strengthstrength

‡‡ tvtv asahiasahi’’ss strengthstrength consistsconsists ofof (A)(A) NewsNews andand Information,Information, (B)(B) LiveLive SportsSports Coverage,Coverage, (C)(C) Variety/EntertainmentVariety/Entertainment ,, Programming.Programming.

6 NationalNational DigitalizationDigitalization

7 AdvertisingAdvertising

XX dayday isis July27July27thth,2011.,2011. InIn 66 yearsyears time,time, allall TVTV setssets willwill becomebecome digitaldigital !! 8 NationalNational DigitalizationDigitalization scheduleschedule ‡‡FirstFirst Phase:Phase: DecDec,,20032003 DigitalDigital transmissiontransmission inin ,Tokyo, OsakaOsaka andand NagoyaNagoya areasareas commenced.commenced. ‡‡SecondSecond phase:phase: ByBy Dec,2006Dec,2006 TransmissionTransmission inin thethe remainingremaining areasareas mustmust bebe executed.executed. ‡‡FinalFinal phase:phase: July,2011July,2011 AnalogueAnalogue broadcastbroadcast shallshall bebe terminatedterminated.. 9 ExpansionExpansion ScheduleSchedule ‡‡DigitalDigital terrestrialterrestrial televisiontelevision broadcastingbroadcasting hashas alreadyalready commenced.commenced.

already began began in Jun. 2005 will begin by Dec. 2005 will begin by Oct. 2006 will begin by Dec. 2006

10 HouseholdsHouseholds CoverageCoverage ‡ HouseholdsHouseholds CoverageCoverage (percentage(percentage ofof householdshouseholds whichwhich cancan receivereceive DTTDTTBB)) increasesincreases everyevery yearyear asas shownshown below.below. 9 In December 2004: 18 million households (38%) 9 In December 2005: 27 million households (56%) 9 In December 2006: 37 million households (77%)

48 million households in .

11 ChallengeChallenge ‡‡tvtv asahi,asahi, alongalong withwith otherother publicpublic andand commercialcommercial networks,networks, willwill undergoundergo digitalizationdigitalization processprocess duedue forfor completioncompletion byby 2011.2011.

12 ImplementationImplementation

13 MoveMove toto thethe newnew sitesite tv asahi’s Head Quarter moved to new site “ hills” from premise on Mar.2003 to secure space to install new digital facilities in addition to the analogue facilities and to commence Digital broadcasting on Dec. 1st, 2003 .

Mar31st.2003

Roppongi Hills Ark Hills 14 ConstructionConstruction ofof thethe newnew buildingbuilding

tvtv asahiasahi hashas installedinstalled fullfull digitaldigital broadcastingbroadcasting systemssystems forfor AnalogueAnalogue && DigitalDigital terrestrialterrestrial televisiontelevision broadcastingbroadcasting atat newnew building.building. 15 MasterMaster controlcontrol systemssystems ‡‡DuringDuring thethe simulcastsimulcast periodperiod ((until July24,2011),), MasterMaster controlcontrol systemsystem operatesoperates bothboth AnalogAnalog andand DigitalDigital televisiontelevision programsprograms simultaneously.simultaneously.

16 DigitalDigital SNGSNG ‡Digital SNG enables to send 2 HD or 4 SD programme

Ku band Antenna within a 36MHz bandwidth6.4mφ ｘ２ transponder. C Band Antenna 3.6ｍφ

1GHz IF

1GHz IF 1GHz IF E/O

Radio room

1GHz IF O/ E

1GHz IF SDTV SDTV SDTV SDTV IRD IRD-1 IRD-2 IRD-3 IRD-4

SDTV SDTV SDTV SDTV D&S center ＴＶＲＯ IRD-5 IRD-6 IRD-7 IRD-8 Cont &Mon ＳＮＧ－ＳＤＴＶ（ＲＸ）

HDTV HDTV HDTV Cont &Mon IRD-1 IRD-2 IRD-3

ＳＮＧ－ＨＤＴＶ（ＲＸ）

International International International International 1GHz IF IRD-1 IRD-2 IRD-3 IRD-4 Cont &Mon

ＳＮＧ－International(ＲＸ）

SDTV SDTV SDTV SDTV 140MHz IF x3 EXC-1 EXC-2 EXC-3 EXC-4 Cont &Mon

ＳＮＧ－ＳＤＴＶ（ＴＸ）

HDTV COD-1 Cont &Mon ＳＮＧ－ＨＤＴＶ（ＴＸ）

ＳＮＧ cont & monitor

Cont&Mon Cont&Mon Overall cont & monitor

Distribution &satellite center 17 DigitalDigital SNGSNG Transponder allocation for Digital Satellite News Gathering

OBO 0dB Digital /36MHz Bandwidth (K1～K12) QPSK/8PSK Ch4 10dB Ch1 Ch2 Ch3 OBO:[13dB] 20dB OBO:[29dB] OBO:[25dB] SMOK 30dB OBO:[31dB]

40dB

ch1[IF:128.00(F0-12.00)MHz] ch3[IF:145.00(F0+5.00)MHz] MCPC1[IF:123.25(F0-16.75)MHz] ch4[IF:153.50(F0+13.50)MHz] MCPC2[IF:123.00(F0-17.00)MHz] UATｷｬﾘｱ[IF:140.75(F0+0.75)MHz] ﾄﾗﾎﾟﾝｴｯｼﾞ[IF:158.00(F0+18.00)MHz] MCPC3[IF:122.75(F0-17.25)MHz] MCPC4[IF:122.50(F0-17.50)MHz] ﾄﾗﾎﾟﾝｾﾝﾀｰ[IF:140.00(F0)MHz] DATA[IF:122.30(F0-17.70)MHz] ch2[IF:136.50(F0-3.50)MHz] PTT[IF:122.20(F0-17.80)MHz] ID[IF:122.10(F0-17.90)MHz]

OBO Digital /27MHz Bandwidth (K13～K28) 0dB Ch1 Ch2 Ch3 10dB OBO:[13dB] OBO:[29dB] 20dB OBO:[25dB]

30dB OBO:[31dB]

40dB

ﾄﾗﾎﾟﾝｴｯｼﾞ[F0-13.50MHz] ch1[IF:132.50(F0-7.50)MHz] ch3[IF:149.25(F0+9.25)MHz] MCPC1[IF:127.75(F0-12.25)MHz] ﾄﾗﾎﾟﾝｴｯｼﾞ[IF:153.50(F0+13.50)MHz] MCPC2[IF:127.50(F0-12.50)MHz] ch2[IF:141.00(F0+1.00)MHz] MCPC3[IF:127.25(F0-12.75)MHz] UATｷｬﾘｱ[IF:140.75(F0+0.75)MHz] DATA[IF:126.80(F0-13.20)MHz] ﾄﾗﾎﾟﾝｾﾝﾀｰ[IF:140.00(F0)MHz] PTT[IF:126.70(F0-13.30)MHz] ID[IF:126.60(F0-13.40)MHz]

OBO Analogue 0dB OBO:[6dB] 10dB

20dB OBO:[26dB] 30dB OBO:[29dB]

40dB

MCPC[IF:57.00(F0-12.00)MHz] UATｷｬﾘｱ[IF:70.00(F0+1.00)MHz] PTT[IF:56.50(F0-12.50)MHz] ﾌﾟﾛｸﾞﾗﾑ[IF:69.95(F0+0.95)MHz] ID[IF:56.30(F0-12.70)MHz] ﾄﾗﾎﾟﾝｾﾝﾀｰ[IF:69.00(F0)MHz]

18 Outdoor Broadcasting ‡‡OBOB TrackTrack andand VanVan typetype vehiclesvehicles mustmust bebe HDHD compatiblecompatible forfor DigitalDigital TerrestrialTerrestrial Broadcasting.Broadcasting.

tv asahi’s flag ship vehicle 201 / HD

101 / Mobile SNG 202 / HD

102 /HD SNG 204 / News

19 Digital ENG System parameters for HDTV/SDTV Digital Electronic News Gathering

7 – 13 Frequency Band GHz 800 MHz

Channel spacing 9 18 MHz

QPSK/16QAM/32QAM/ QPSK/16QAM/32QAM/ Modulation 64QAM-OFDM 64QAM, QPSK/16QAM/ Digital 32QAM/64QAM-OFDM

Capacity Up to 30 (SDTV) Up to 60 (HDTV) Mbit/s

Transmit feeder loss (min) 1 dB

Transmit power (max) 4 (7 for 800MHz) 1.76 (QAM) / 7 (OFDM) dBW

EIRP (max) 30 – 41 (11 – 16 for 800 MHz) dBW

Receive feeder loss (max) 1 dB

Receiver IF bandwidth 9 18 MHz

Receive noise figure 4 dB

Receiver thermal noise -130.5 -127.4 dBW

20 DigitalDigital TransmittersTransmitters andand AntennasAntennas ‡‡TransmittersTransmitters andand antennasantennas forfor digitaldigital terrestrialterrestrial televisiontelevision broadcastingbroadcasting installedinstalled atat TokyoTokyo TowerTower inin 2003.2003.

Optical fiber lines x2

STL micro wave

21 TransmittersTransmitters ‡‡DigitalDigital TransmitterTransmitter systemsystem consistsconsists ofof threethree 5kw5kw transmitterstransmitters forfor redundantredundant operation.operation. OutputOutput powerpower isis 10kW.10kW.

22 Antennas ‡‡TVTV stationsstations werewere confrontedconfronted withwith enormousenormous difficultiesdifficulties asas TokyoTokyo towertower diddid notnot havehave extraextra spacespace toto mountmount newnew digitaldigital TVTV antennasantennas ,6,6 metersmeters inin widthwidth andand 1212 metersmeters inin height.height.

Digital TV Antennas

Special observation deck

23 Antennas ‡‡AA beambeam patternpattern synthesissynthesis technologytechnology realizedrealized anan omniomni directionaldirectional radiationradiation patternpattern inin compactcompact size.size. Radiation pattern 0゜ plan view 330゜ 30゜

3 dB

300゜ 6 dB 60゜

10 dB

15 dB cutaway view 20 dB 270゜ 90

240゜ 120゜

210゜ 150゜ 180 24 ServiceService AreaArea ‡‡ServiceService areaarea isis expandingexpanding inin TokyoTokyo area.area.

Sept.Sept. 2222ndnd,200,200４４ 2nd Stage 700W (eirp=920W)

Dec.1st,2005Dec.1st,2005 Final Stage 10kW

TokyoTokyo TowerTower (eirp=48kW) 25 ApplicationsApplications

26 ApplicationsApplications // HDTVHDTV ‡‡HighHigh DefinitionDefinition Broadcast:Broadcast: 9EuropeanEuropean broadcastersbroadcasters havehave optedopted forfor ““multimulti-- channelchannel”” strategy.strategy. 9JapaneseJapanese broadcastersbroadcasters havehave chosenchosen toto taketake advantagesadvantages ofof ““highhigh definitiondefinition”” pictures.pictures.

9 Pure HDTV : 16X9 1080i

27 ApplicationsApplications // SDTVSDTV ‡ISDB-T utilize three different programmes within a 6MHz bandwidth channel . ‡Multi-channel approach is presently positioned as an “experimental” and “back-up” option.

SDSD--11 SDSD--22 SDSD--33 28 ApplicationsApplications // DataData broadcastingbroadcasting ‡‡DataData broadcastingbroadcasting isis nownow onon service.service. 9Weather information 9News Anytime 9Results of sports games 9Information-related TV programmes

Players list Other games result

Ongoing games Other information

Example of soccer game

29 ApplicationsApplications // DataData broadcastingbroadcasting

Current Programme screen Player’s list

Games schedule

Notification of Data broadcasting.

Other games results

30 Top menu of soccer game Data ApplicationsApplications // EPGEPG ‡‡EPGEPG ((ElectronicElectronic ProgramProgram Guide)Guide) 99 AnAn electronicelectronic programmeprogramme guideguide (EPG)(EPG) isis aa onon--screenscreen gguideuide toto scheduledscheduled broadcastbroadcast televisiontelevision proproggrammes,rammes, allowingallowing aa viewerviewer toto navigate,navigate, selectselect andand discoverdiscover contentcontent byby time,time, title,title, channel,channel, genre,genre, etc,etc, usingusing theirtheir remoteremote control.control.

31 ApplicationsApplications // 11 segmentsegment serviceservice

12 Segments

Fixed service ＨＤＴＶ

tv asahi Bandwidth：5.6MHz （ 1 channel ）

Mobile service (1 segment broadcasting）

Mobile internet

Mobile phone with 1 segment TV Communication company 32 ApplicationsApplications // 11 segmentsegment serviceservice ‡ 11 segmentsegment serviceservice scheduledscheduled toto startstart inin SpringSpring 2006.2006. ‡ Merits:Merits: 9 Stable reception in a mobile environment 9 High quality video & audio in a mobile environment. 9 Robustness to noise and multi-pass.

33 ConclusionConclusion

34 Advantages of Digital Broadcast for Advertisers ‡‡TVTV willwill remainremain thethe prominentprominent mediummedium ofof entertainmententertainment andand information.information.

99StrongStrong appealappeal ofof flatflat--panelpanel TVTV setssets andand digitaldigital featuresfeatures willwill guaranteeguarantee terrestrialterrestrial broadcastbroadcast’’ss universaluniversal accessaccess toto viewers.viewers.

35 tvtv asahiasahi’’ss DigitalDigital TerrestrialTerrestrial BusinessBusiness ModelModel ‡‡SponsorsSponsors’’ appetiteappetite forfor televisiontelevision advertisingadvertising timetime willwill remainremain strongstrong underunder digitalizeddigitalized environment.environment. RecentRecent trendstrends showshow thatthat theirtheir needsneeds areare continuouslycontinuously increasing.increasing.

‡‡DigitalizationDigitalization willwill expandexpand terrestrialterrestrial televisiontelevision’’ss revenuerevenue sources.sources.

36 SET2005SET2005＠＠SSããoo PauloPaulo

ThankThank youyou forfor youryour attentionattention !! ENDEND

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