STRL October.2008 th DiBEG JAPAN -10 Manila, Philippines th Presentation 3 9 Kazunori Yokohata (NHK Science & Technical Research Lab) Emergency Warning Broadcast Broadcast System Warning Emergency Digital broadcasting experts Digital broadcasting group ISDB-T, the Digital Television for the Philippines 2

STRL Contents Outline of the EmergencySystem Warning (EWS) Broadcast EWS for analog broadcasting EWS for digital broadcasting “ISDB-T” Automatic activationreceivers by of EWS One-SegConclusion handheld „ „ „ „ „ Digital broadcasting experts Digital broadcasting group ISDB-T, the Digital Television for the Philippines STRL Broadcast System (EWS) １．Outline of the Emergency Warning Digital broadcasting experts Digital broadcasting group ISDB-T, the Digital Television for the Philippines 4

STRL day) st service area Broadcasting Automatic activation!! ・・・ Transmitter station Broadcasting agency ’ s the EWS? (I) Meteorological What The emergency warning broadcast system is and broadcast requests from local governors EWS is operated in response to large-scale earthquake warnings, Tsunami Alerts EWS is a remote activation systemEWS for transmits Radio alert/warning & information TV. to viewersEWS and has listeners been about operating disasters. since September 1985 in Japan. Test signals/programs are broadcast monthly in Japan (every 1 ・ ・ ・ ・ ・ „ Digital broadcasting experts Digital broadcasting group ISDB-T, the Digital Television for the Philippines 5

STRL ’ s the EWS? (II) Merits : possible to quickly activate many receivers Isitpossibletodoremoteactivationbynotonlybroadcasting but also communication ? Remote activation by communication (telephone) is very likely. Remote activation by broadcasting simultaneously receivers should be designed to make the best use of these merits. What ・ Yes, it is. However, they both have merits and demerits, and the system ・ Merits : possible to control individual receivers ・ Demerits: difficult to customize activation control for individual ・ Demerits: In case of a large scale disaster, traffic congestion ・ „ „ „ Digital broadcasting experts Digital broadcasting group ISDB-T, the Digital Television for the Philippines 6

STRL Emergency warning broadcast mail ② Remote activation by ① Remote activation by Broadcasting Communication Reliability Speed Locality In case of disasters, congestion is very likely. Need more time to inform a huge number of people Possible to control activation in local area „ „ „ Remote activation by communication etc.) (email, Digital broadcasting experts Digital broadcasting group ISDB-T, the Digital Television for the Philippines 7

STRL Remote activation and emergency warning broadcast reception by EWS Broadcasting disaster information Broadcasting is an ideal media to deliver Remote activation by EWS Reliability Speed Locality No traffic congestion, anybody can receive it in the broadcasting area. Possible to inform an extremely large number of people simultaneously. The system used in Japan is controlled by prefectural area. Broadcasters offer reliable news by filtering information. „ „ „ Digital broadcasting experts Digital broadcasting group ISDB-T, the Digital Television for the Philippines 8

STRL of every month at noon st is the day of disaster prevention in Japan. of disaster prevention is the day st ,1923, a large scale earthquake attacked Tokyo area and more area Tokyo attacked ,1923, a large scale earthquake st Around 1980Sep. 1,1985 NHKMar.18,1987 STRL launched EWS study Jan.13,2007 EWB operation start in FirstUp Japan EWB to operation now for tsunami alert Test Most broadcasting recent takes EWB place operation on forshipment 1 tsunami of alert receivers : about 550,000 EWB has operated 15 times during 21 years The history of EWB *reference: On Sep.1 than 100,000 people died. It became a trigger to start radio broadcasting radio start trigger to 100,000 a people died. It became than Sep.1 in Japan. EWB: Emergency Warning Broadcast Digital broadcasting experts Digital broadcasting group ISDB-T, the Digital Television for the Philippines 9

STRL , 2007) th , 2002) th , 2003) , 1995) th th , 1988) , 1993) th th , 1994) th , 1994) th , 1996) , 1989) , 2003) th , 2006) (January 13 nd st , 2004) th , 1998) (March 26 th th , 1996) th (May 4 NHK broadcasts EWS test program every month. every program test NHK broadcasts EWS The Sea of Hyuga earthquake (October 19 Okinawa-Ishigaki south offshore earthquake Miyazaki prefecture offshore earthquake (March 18 Hokkaido south-west offshore earthquake (July 12 New Guinea earthquake (February 17 Hokkaido east earthquake (November 15 Hokkaido east offshore earthquake (April 10 Sanriku far offshore earthquake (December 28 An earthquake at Taiwan (March 31th,Hokkaido 2002) Kushiro offshore earthquake (September 26 Tokai offshore earthquake (September 5 Sanriku offshore earthquake (November 2 Amami Oshima near offshore earthquake (October 19 „ ISDB-T commenced in Japan (December 1 „ „ „ „ „ „ „ „ „ „ „ „ Operation records of EWB (Every case was Tsunami warning earthquake) by Digital broadcasting experts Digital broadcasting group ISDB-T, the Digital Television for the Philippines 10

STRL 9.3 7.6 7.7 8.7 6.3 6.4 Magnitude 300,000 100,000 (estimated) Over 500 Over 500 Over Fatalities Over 6,000 1,000-2,000 Place Indonesia Zarand, Iran Java, Indonesia Java, Indonesia Kashmir, Pakistan Kashmir, Northern Sumatra, Indonesia Off northwest coast Off of Sumatra, Date Oct. 8, 2005 Oct. Mar. 28, 2005 Mar. July. 17, 2006 July. Feb. 22, 2005 Dec. 26, 2004 List of Recent Significant Earthquakes (from December 2004) (from December Earthquakes Significant Recent of List May. 26, 2006 May. Digital broadcasting experts Digital broadcasting group ISDB-T, the Digital Television for the Philippines 11

STRL Local governors Request NHK （気象業務法） （災害対策基本法） （大規模地震対策特別措置法） Conditions for operation of EWB in Japan earthquake such as the Tokai earthquake is issued, earthquake such as the Tokai earthquake nationwide) (First-class , alert is given (tidal wave) When a Tsunami broadcast In Japan, EWB broadcasts only in three cases Japan, EWB broadcasts Inonly in three and where there is great risk to human lives property, (Second-class nationwide, prefecture wide) nationwide) (First-class 1. When a precautionary declaration 1. When a precautionary of a large-scale declaration 2. requests an emergency warning 3. When the local governor • Digital broadcasting experts Digital broadcasting group ISDB-T, the Digital Television for the Philippines STRL ２． Analog EWS Digital broadcasting experts Digital broadcasting group ISDB-T, the Digital Television for the Philippines 13

STRL Radio TV followed by announcement Alarming sound, Control signal signal Control Program reception reception Receiver with warning function mitter Trans- signal Switch Control generator Analog EWS transmission and reception block diagram Broadcasting station signal Program Digital broadcasting experts Digital broadcasting group ISDB-T, the Digital Television for the Philippines 14

STRL ・ ・ ・ ・ ・ 00:03:00 00:02:00 00:01:00 206 points all over Japan over points all 206 Earthquake Connection of Emergency Information Digital broadcasting experts Digital broadcasting group ISDB-T, the Digital Television for the Philippines 15

STRL time Usual Program End sign Emergency warning Emergency warning broadcasting program Start sign A start sign and end are transmitted by an FSK A 640Hz/1024Hz signal combined with a warning sound a 640Hz/1024Hz signal combined with „ Analog EWS Control signal Usual Program Digital broadcasting experts Digital broadcasting group ISDB-T, the Digital Television for the Philippines 16

STRL Portable AM/FM Receiver Receiver with a Clock a Receiver with Receiver with Power on switch Analog EWB conventional receivers Analog EWB Digital broadcasting experts Digital broadcasting group ISDB-T, the Digital Television for the Philippines 17

STRL EWS decoder (2) Onboard EWS decoder has been developed A new algorithm capable of running on a multi- A purpose processor IC integrated in home electronics Analog EWB New Receivers (New development) Analog EWB (1) New receiver for EWS Digital broadcasting experts Digital broadcasting group ISDB-T, the Digital Television for the Philippines STRL ３． Digital EWS and ISDB-T Digital broadcasting experts Digital broadcasting group ISDB-T, the Digital Television for the Philippines 19

STRL HDTV Home receiver By EWS!! Activation Automatic Diversity Reception 13segments Receiver in vehicle Receiver 2006.4 commenced 1 segment Supports 3 types reception on one channel Dec.2003 commenced 13 segments Fixed reception Fixed One-Seg Mobile reception Audio Visual contents Data 6MHz 13 segments Mobile reception Handheld receiver 1 segment ISDB-T (Integrated service digital broadcasting terrestrial) TV station Digital broadcasting experts Digital broadcasting group ISDB-T, the Digital Television for the Philippines 20

STRL By EWS!! Activation Automatic Internet 16.9Mbps ： Fixed receiver HDTV & 5.1ch surround sound surround 5.1ch HDTV & or Multi SD serviced (Multi SD, HDTV) ： By EWS!! Activation Automatic Modulation : 64QAM(fec:3/4) Modulation : Features 12 segments : Fixed 12 segments : (multi SD or HDTV) Data bit-rate Handheld receiver 6 MHz Mobile receiver ISDB-T or SDTV xSDTV 3 SDTV xSDTV 2 416Kbps ： Robustness for Robustness for mobile reception or Mobile & handheld Mobile & ： ISDB-T services example HDTV Modulation : QPSK (2/3) Modulation : Features One-Seg ： Data bit-rate Digital broadcasting experts Digital broadcasting group ISDB-T, the Digital Television for the Philippines 21

STRL simultaneously by BST-OFDM, ts the user quickly of earthquake and tsunami can be transmitted advantages in mobile reception because of time interleaving using diversity reception technology mobile service broadcasting services through hierarchical transmission for handheld receivers and flexible (Emergency Warning System) for effective frequency utilization Features of ISDB-T system One-Seg service Data broadcasting: Regional information service Interaction: Quizzes, questionnaires, requests, voting Combined with communication services warnings The same HDTV broadcasted for fixed receiver can be viewed in motor vehicle Handheld receivers woken up by EWS signal aler z z z z z z technology ISDB-T promises ISDB-T has technological economical system. HDTV or multi-SD Multimedia Services Automotive HDTV system SFN EWS „ „ „ „ „ „ „ Digital broadcasting experts Digital broadcasting group ISDB-T, the Digital Television for the Philippines 22

STRL Outline of ISDB-T transmission scheme Digital broadcasting experts Digital broadcasting group ISDB-T, the Digital Television for the Philippines 23

STRL FOMA P901iTV FOMA Portable DVD player Antenna for One-Seg receiver Laptop Computer 905SH SoftBank ISDB-T One-Seg receivers Number of shipments as of Jul 2008: Over 39,000,000 (JEITA statistics) Number of shipments as of Jul 2008: Over 39,000,000 (JEITA Digital broadcasting experts Digital broadcasting group ISDB-T, the Digital Television for the Philippines 24

STRL Toyota TDT-H56 NVA-HD1500DT From each company’s web site From each company’s NV-HD870DT ALPINE SANYO VIE-XO7B1/S1 Fujitsu ten AVN7406HD CN-HDS635TD ISDB-T mobile receivers Pioneer Panasonic Number of shipments as of Aug 2008: about 1,860,000 (JEITA statistics) Aug 2008: about Number 1,860,000 (JEITA of shipments as of CN-HDS960TD AVIC-VH009MDG Digital broadcasting experts Digital broadcasting group ISDB-T, the Digital Television for the Philippines 25 0 5,000 STRL 40,000 35,000 30,000 25,000 20,000 15,000 10,000

( x 1,000 ) Total sum Jul-08

May-08

Mar-08 Jan-08

(Source: JEITA)

Nov-07

Sep-07

Jul-07 Receivers in May-07

) Mar-07 (Aug. 2008)

39.70 million Jan-07

Nov-06

Sep-06

Jul-06 May-06 Stationary

( Mar-06

Jan-06

Nov-05

Sep-05

Jul-05

May-05

STB-CATV Blue-Ray/HD-DVD LCD CRT

Mar-05

Jan-05

Nov-04

Sep-04

Jul-04

May-04

Mar-04

Jan-04

PC STB Recorders HDD/DVD PDP Total Nov-03 Sep-03 Service launched 0 500 4,000 3,500 3,000 2,500 2,000 1,500 1,000 Shipments of ISDB-T Home-use Japan ( x 1,000 ) Digital broadcasting experts Digital broadcasting group ISDB-T, the Digital Television for the Philippines 26 0 5,000 45,000 40,000 35,000 30,000 25,000 20,000 15,000 10,000 1,000 ) STRL

× Jul-08

( Total sum

Jun-08

May-08

Apr-08

Mar-08 (Source: JEITA)

Feb-08

Jan-08

Dec-07

Nov-07 (Jul. 2008) Oct-07

39.71 million

Sep-07

Aug-07

Jul-07

Jun-07

May-07

Apr-07

Mar-07

Feb-07

Jan-07

Dec-06

Nov-06

Oct-06

Sep-06

Aug-06

Jul-06

Jun-06

Monthly Total May-06

Apr-06 Mar-06 Service launched 0 500 1,000 ) 4,500 4,000 3,500 3,000 2,500 2,000 1,500 1,000 × Monthly ( Shipments of ISDB-T One-Seg cellular phones in Japan Digital broadcasting experts Digital broadcasting group ISDB-T, the Digital Television for the Philippines 27

STRL

OFDM Signal IFFT EWB ・ Error ・ Mapping ・ Interleaving Hierarchical parallel processing correction OFDM Frame TMCC add.

signal for

Channel coding

TS-remultiplexing

Addition of Activation Multiplexer EWB Descriptor Addition of TMCC :Transmission and Multiplexing Configuration Control TMCC Coding Coding Coding Source coding MPEG-2 ISDB-T Transmitter block diagram Data Video Audio Service Digital broadcasting experts Digital broadcasting group ISDB-T, the Digital Television for the Philippines 28

STRL PMT EWB Descriptor (ISDB-T) EWB Descriptor Digital broadcasting experts Digital broadcasting group ISDB-T, the Digital Television for the Philippines 29 Freq. STRL Seg. #12 (429kHz) Seg. #10 (429kHz) #8 Seg. (429kHz) #6 Seg. (429kHz) #4 Seg. (429kHz) #2 Seg. (429kHz) #0 Seg. (429kHz) #1 Seg. (429kHz) BW : 5.6MHz #3 Seg. (429kHz) Frequency axis Frequency #5 Seg. (429kHz) #7 Seg. (429kHz) #0 #9 Seg. Seg. (429kHz) (429kHz) Arrangement of TMCC in mode 3 Seg. #11 (429kHz) Digital broadcasting experts Digital broadcasting group ISDB-T, the Digital Television for the Philippines STRL handheld receivers by EWS Automatic activation of One-Seg ４． Digital broadcasting experts Digital broadcasting group ISDB-T, the Digital Television for the Philippines 31

STRL Town In the field activation Automatic Transmitter station Possibility of EWS and One-Seg service One-Seg service commenced on April 2006 One-Seg service is capable of transmitting EWBS Most people carry mobile phones in Japan ・ ・ „ A huge number of people can get disaster information quickly A in the field if One-Seg receiver can receive EWB Broadcast studio Digital broadcasting experts Digital broadcasting group ISDB-T, the Digital Television for the Philippines 32

STRL We have We news of an earthquake … Automatic reception of emergency warning broadcasting emergency warning information ・・・ Tsunami disaster Tsunami by EWB activation signal by EWB activation consumption Automatic activation of One-Seg receivers with low power Automatic activation of One-Seg receiver circuit receiver of One-Seg activation Automatic receiver Stand-by receiver Digital broadcasting experts Digital broadcasting group ISDB-T, the Digital Television for the Philippines 33

STRL Power-saving of receiver circuit is indispensable! is receiver circuit Power-saving of To automatically activate One-Seg receivers by EWS EWS receivers need toTMCC carriers monitor continuously the EWB activation signal on the Continuous operation of thebattery receiver circuit causes wasting of the The characteristicswhich of demodulates a onlycombining trial technologies four receiver TMCC circuit carriersThe have and activation been uses signalwith diversity tested is the received timing of intermittently the in activation signal synchronization transmission format „ „ „ „ Digital broadcasting experts Digital broadcasting group ISDB-T, the Digital Television for the Philippines 34

STRL 12 seg (429kHz) ＃ frequency 10 seg (429kHz) ＃ Frequency 8 seg ＃ (429kHz) 6 seg ＃ (429kHz) #349 4 seg ＃ (429kHz) #286 2 seg ＃ (429kHz) 0 seg ＃ (429kHz) 1 seg ＃ (DBPSK) (429kHz) Band Width : 5.6MHz 3 seg ＃ (429kHz) 5 #131 One-Seg Band Width（=429kHz） seg ＃ (429kHz) Demodulate only four carriers 7 #101 seg ＃ „ (429kHz) 9 seg ＃ (429kHz)

11 Arrangement of TMCC Carriers (Mode 3) seg ＃ (429kHz) Digital broadcasting experts Digital broadcasting group ISDB-T, the Digital Television for the Philippines 35

STRL Display Handheld receiver Activation control detector One-Seg Activation signal Activation Demodulator Tuner One-Seg Receiving antenna Activation control When the handheldand receiver activation is signal in detector are stand-byThe working mode, activation signal only detector the uses a One-SegWhen simple the tuner circuit activation without signal FFT the is active, the One-Seg demodulatorbroadcast and tuner is display displayed. are operates started, continuously and the emergency warning Block diagram of EWS One-Seg receiver „ „ „ Digital broadcasting experts Digital broadcasting group ISDB-T, the Digital Television for the Philippines 36

STRL time Parity Tuner inactive symbol) th 204symbols) （ 1frame 27symbols Tuner active Activation signal (27 the power consumption Synchronization signal Control power switching interval of One-Seg tuner Control power switching intermittently to save Control power switching intermittently to save 7symbols Digital broadcasting experts Digital broadcasting group ISDB-T, the Digital Television for the Philippines 37

STRL The Activation signal a detector connected to cellular phone Activation signal detector for One-Seg Prototype activation signal detector signal Prototype activation Digital broadcasting experts Digital broadcasting group ISDB-T, the Digital Television for the Philippines 38

STRL Earthquake forecast Tsunami forecast Hurricane forecast Flood warning Eruption warning Fire warning Other warning Not only „ „ But also „ „ „ „ „ Usage for EWS Digital broadcasting experts Digital broadcasting group ISDB-T, the Digital Television for the Philippines 39

STRL Automatic activation of handheld receiver by EWSPower is consumption very saving effective is required while EWB is in stand-by Conclusion z z Broadcasting is an ideal media toEWS deliver disaster is information a broadcasting& system TV which in remotely the activates case radio of emergencyEWS alerts. for analogalready commenced AM/FM operation in radio Japan ,Research analog and development and of an digital EWB receiver TV for One-Seg has „ „ „ „ Digital broadcasting experts Digital broadcasting group ISDB-T, the Digital Television for the Philippines 40

STRL EWS introduction DVD EWS introduction Digital broadcasting experts Digital broadcasting group ISDB-T, the Digital Television for the Philippines 41

STRL Please visit the EWS demonstration! Digital broadcasting experts Digital broadcasting group ISDB-T, the Digital Television for the Philippines 42

STRL Digital broadcasting experts Digital broadcasting group ISDB-T, the Digital Television for the Philippines 43

STRL NHK STRL http://www.nhk.or.jp/strl/english/index.html Thank you for your attention ! Digital broadcasting experts Digital broadcasting group ISDB-T, the Digital Television for the Philippines 44

STRL References Digital broadcasting experts Digital broadcasting group ISDB-T, the Digital Television for the Philippines 45

STRL EWS is detected !! The screen The screen changes when “ Strada ” . s Car Navigation & ’ AV System Panasonic ” “ Bravia Sony's products Fixed and mobile receivers examples X7000 series, X5050 X7000 series, X5000 series and W5000 series and X5000 series Digital broadcasting experts Digital broadcasting group ISDB-T, the Digital Television for the Philippines