1. © Teamcast - 2008 The evolutions of the Digital Broadcast Landscape Gerard FARIA (gerard.faria@teamcast.com) 13th October 2008 1 2008 NEM Summit - The evolutions of the Digital Broadcast Landscape

2. © Teamcast - 2008... A lot of suitors ! 13th October 2008 2 2008 NEM Summit - The evolutions of the Digital Broadcast Landscape S-DMB(T-DMB)S-DMB(T-DMB) DVB-H(DVB-T)DVB-H(DVB-T) ISDB-T(OneSeg)ISDB-T(OneSeg) UMTS MBMS / HSDPA UMTS GSM(GPRS)GSM(GPRS) MediaFLO(Qualcomm)MediaFLO(Qualcomm) Above 1 GHz Above Below Below DMB-T(GB20600-2006)DMB-T(GB20600-2006) T-DMB(S-DMB)T-DMB(S-DMB) DVB-SH(DVB-H)DVB-SH(DVB-H) CMMB(sTiMi)CMMB(sTiMi) ATSC M/H (ATSC) (ATSC) 200420042005200520062006200720072003200320082008

3. © Teamcast - 2008 2008 NEM Summit - The evolutions of the Digital Broadcast Landscape 3 13th October 2008 “Multimedia Contents to Nomadic Terminals” Plethora of Standards but… (quasi-)all are using COFDM ! Gerard FARIA (gerard.faria@teamcast.com)

4. © Teamcast - 2008 Transmission: COFDM is everywhere! 13th October 2008 4 2008 NEM Summit - The evolutions of the Digital Broadcast Landscape GuardInterval UsefulPeriod OFDM symbol OrthogonalCarrierSpacingOrthogonalCarrierSpacing TimeTime frequencyfrequency With OFDM, Bitrate is INDEPENDENT Of the s/c number 2K 4K 8K DABDVBISDBFLOCDMBCMMB 1,5 MHz 5/6/7/8 MHz 6/7/8 MHz 6/7/8 MHZ 6/7/8 MHz 2/8 MHz 8K8KSC 4K4K4K4K4K 2K2K2K 1K1K 512 256

5. © Teamcast - 2008 SSS options (1/3): Frame Preamble 13th October 2008 5 2008 NEM Summit - The evolutions of the Digital Broadcast Landscape Frame Preamble : Frame Preamble : for Synchronisation & Signallingwith Null Symbol :DAB/T-DMB, for Synchronisation & Signallingwithout Null Symbol :FLO (TDM pilots), … DVB-T2 ! NullSymbol SignallingSymbol(s)SyncSymbol TimeTime frequencyfrequency DABD-QPSK Preamble Data Payload

6. © Teamcast - 2008 SSS options (2/3): Pilots 13th October 2008 6 2008 NEM Summit - The evolutions of the Digital Broadcast Landscape Pilots spread in Frame : for Synchronisation, Channel Estimation & Signalling : DVB-H, ISDB-T, CMMB, … DVB-T2 ! for Synchronisation, Channel Estimation :FLO (FDM Pilots), … DVB-T2 ! for Signalling : CDMB or DTMB or DMB-TH, GuardIntervalGuardInterval UsefulPeriodUsefulPeriod OFDM symbol FFTwindow TimeTime frequencyfrequency DVBISDBFLOCMMBD-QPSKBPSK QPSKQPSKQPSKQPSK 16QAM16QAM16QAM16QAM 64QAM64QAM

7. © Teamcast - 2008 SSS options (3/3): Symbol Preamble ( TDS-OFDM ) 13th October 2008 7 2008 NEM Summit - The evolutions of the Digital Broadcast Landscape GuardIntervalGuardInterval UsefulPeriodUsefulPeriod OFDM symbol TimeTime frequencyfrequency PN FFTwindowCDMB4QAM-NR 4QAM 16QAM 32QAM 64QAM PN sequences as OFDM symbol preamble (instead of the classical Cyclic Prefix): for Synchronisation & Channel Estimation : DMB-TH for Signalling : few pilots constituting a low bitrate channel

8. © Teamcast - 2008 FEC & Interleaving: a lot of solutions! 13th October 2008 8 2008 NEM Summit - The evolutions of the Digital Broadcast Landscape Data to Broadcast FECs + Interleavers TimeTime frequencyfrequency DMB-T DVB-H … DVB-T2 ! FLOCDMB ISDB-T (OneSeg) T-DMB :DAB-FEC (RS + Virtual Time Interleaver) + RS (MPEG) + CC (“Viterbi”) + Service Time Interleaver (384 ms) ISDB-T: RS (MPEG) + CC (“Viterbi”) + Sub-Band Interleaver (up to 1 second) DVB-H :MPE-FEC (RS + Virtual Time Interleaver) + RS/Outer Intl + CC/Inner Interleaver FLO : RS + TURBO + Interlaced Sub-channels (~250 ms) CDMB : BCH + LDPC + Time Interleaver (~84 ms & ~255 ms) CMMB : RS/Outer Intl + LDPC + 25ms slots within 1s frame

9. © Teamcast - 2008 In Short : Variations around “C” - OFDM 13th October 2008 9 2008 NEM Summit - The evolutions of the Digital Broadcast Landscape MACChannelEncoder Time Interleave FramingModulationChannelBandwidthT-DMB RS + Outer Intl (from DVB-T) CC (per service) 384 ms (per service) 2K 1K ½K ¼K Frame Preamble D-QPSK1.5 MHz ISDB-T - RS + Outer Intl CC + Inner Intl Up to 1 second 8K 4K 2K Pilots D-QPSK, QPSK, 16QAM, 64QAM 6 / 7 / 8 MHz DVB-H MPE-FEC (RS + Time Slice) RS + Outer Intl CC + Inner Intl - 8K 4K 2K Pilots QPSK, 16QAM, 64QAM 5 / 6 / 7 / 8 MHz DVB-SH MPE-FEC (RS + Time Slice) Turbo Code (3GPP2) ~300 ms ~10 seconds 8K 4K 2K Pilots QPSK, 16QAM 1,75 MHz & 5 / 6 / 7 / 8 MHz FLO RS + Turbo Coder (Outer Interleave per service) ~250 ms 4K TDM & FDM Pilots QPSK, 16QAM 6 / 7 / 8 MHz DMB-T(TDS-OFDM) -BCH + LDPC ~85 ms ~255 ms SC or 4K Symbol Preamble 4QAM-NR, 4QAM, 16-32-64 QAM 6 / 7 / 8 MHz CMMB - RS + Outer Intl LDPC 25ms slots Within 1s frame 4K (8 MHz) 1K (2 MHz) BPSK, QPSK, 16QAM 8 MHz 2 MHz Channel Encoder OFDM modulator iFFT xKyKzK Framing/Pilots SIG SYNCESTIM “MAC” TS OFDM demodulator Channel Decoder TS “MAC” iFFT Framing/Pilots SIG SYNCESTIM OUTER CODING BC OuterIntl INNER CODING CC InnerIntl OUTER DECODER INNER DECODER “PHY”“PHY” DATA FEC TimeIntlTimeIntl xKyKzK BC OuterIntl CC InnerIntl RadioInterface

10. © Teamcast - 2008 “Multimedia Contents to Nomadic Terminals” Physics remains Physics… for all transmission systems ! Gerard FARIA (gerard.faria@teamcast.com) 13th October 2008 10 2008 NEM Summit - The evolutions of the Digital Broadcast Landscape

11. © Teamcast - 2008 The Question of Protocol Stacks... 13th October 2008 11 2008 NEM Summit - The evolutions of the Digital Broadcast Landscape MULTIMEDIA : CONTENTS / APPLICATIONS / SERVICES T-DAB Physical Layer T-DAB DAB Digital RADIO Services DAB MP4-AVCMP4-BSACMP4-BIFSMP4-AVCMP4-BSACMP4-BIFS TS circuit MP4-SLMP4-SL MPEG-TSencapsulationMPEG-TSencapsulation TS FEC (RS) (RS) T-DMBT-DMB IPIP TSTS IP: TRANSPORT Convergence DVB-IPDC : IP DataCast SERVICE Convergence DVB-IPDC : IP DataCast SERVICE Convergence DVB-HDVB-H MP4-VMP4-AMP4-DMP4-VMP4-AMP4-D TSTS DRM Sub System DRM FramingSub-ChannelFramingSub-Channel FLO Physical Layer FLO MediaFLOMediaFLO MP2-A/V/DMP4-A/V/DMP2-A/V/DMP4-A/V/D MPEG2-MUXMPEG2-MUX ISDB-T Single Segment ISDB-T ISDB-TISDB-T TSTS DVB Digital TV Services DVB TSTS DVB-TDVB-T IPIP DVB-SHDVB-SH Satellite TSTSTSTS Terrestrial

12. © Teamcast - 2008 The Question of Mobile performance... 13th October 2008 12 2008 NEM Summit - The evolutions of the Digital Broadcast Landscape Flat Behaviour Up to Max Speed QPSK 1/2 (5 Mbps) 16QAM 2/3 (13 Mbps) DVB-T Mobile Penalty 6 to 12 dB DVB-H Gain Area DVB-H Gain Area DVB-H MPE-FEC GAIN : 2 to 5 dB (Pedestrian) 64QAM 2/3 (20 Mbps) Christian Andreas DOPPLER(1803-1853) DVB-H MPE-FEC GAIN : 5 to 9 dB (Mobile) 470 MHz UHF Band IV (21) 854 MHz UHF Band V (69) 2 km/h 1 km/h 23 km/h 13 km/h 230 km/h 126 km/h 1840 km/h 1008 km/h TU6TU6

13. © Teamcast - 2008 The Question of Coverage... 13th October 2008 13 2008 NEM Summit - The evolutions of the Digital Broadcast Landscape Digital TV transmitter Digital TV transmitter FOR FIX RECEPTION: Field Strength is Planned to offer the to offer the C/N threshold at 10 meters above the Ground Level But for NOMADIC RECEPTION: Field Strength Shall be available At 1.5 meter Above Ground. PENALTY: 12 dB (for Outdoor Rx) Broadcast to NOMADIC Handhelds Terminals :. Ground level penalty ~ 12 dB. Indoor penalty ~ 8 dB. Mobile penalty (Outcar/Incar)~ 8 dB / 16 dB Building Penetration Loss PENALTY: 8 dB (for Indoor Rx) Mobility PENALTY : 8 dB (Outcar antenna) PENALTY : 16 dB (Incar antenna)

14. © Teamcast - 2008 The Question of Network Topology... 13th October 2008 14 2008 NEM Summit - The evolutions of the Digital Broadcast Landscape Cellular Networks ( MNOs, Broadband ) MFNMFN MFNMFN MFNMFN BroadCast Networks Hybrid Networks m km SFNSFN SFNSFN SFNSFN Cellular? Broadcast ?

15. © Teamcast - 2008 The Question of Radio Spectrum… 13th October 2008 15 2008 NEM Summit - The evolutions of the Digital Broadcast Landscape 3 KHz [VLF / LF] 300 KHz [MF] 3 MHz [HF] 30 MHz [VHF] 300 MHz [UHF] 3 GHz [SHF] 30 GHz [EHF] [Source : Roke manor Research Ltd – 2007 - « The UK Frequency Allocation Map » ] AM Radio Broadcast FM Band II TV & Mobile (Band IV & Band V) TV & Mobile (Band III)

16. © Teamcast - 2008 Electric Waves Radio Waves Infra-Red Visible Light Ultra Violet X-Rays Gamma Rays Cosmic Rays Radio Spectrum Is there Broadcast Spectrum Not Used ?  Communities (i.e. Telcos / Broadband / Broadcast) generally consider first the spectrum they are operating for their primary services…  But sometimes considers also the one used by an other community… 13th October 2008 16 2008 NEM Summit - The evolutions of the Digital Broadcast Landscape Long Wave Radio Medium Wave Radio Short Wave Radio II FM Radio III TV (VHF) IV & V TV (UHF) Ku Band Ka Band L & S Bands C Band +

17. © Teamcast - 2008 Where to operate “TV to Mobile” ? ChannelBandwidthVHFUHFT-DMB 1.5 MHzBand IIIL-Band ISDB-T 6 / 7 / 8 MHzBand IIIBand IV & V DVB-H 5 / 6 / 7 / 8 MHzBand IV & V DVB-SH 1,75 MHz & 5 / 6 / 7 / 8 MHz L-Band & S-Band FLO 6 / 7 / 8 MHzBand IV & V ATSC-MH 6 MHzBand IV & V DMB-T(TDS-OFDM) 6 / 7 / 8 MHzBand IV & V CMMB 8 MHz 2 MHz Band IV & V L-Band & S-Band 13th October 2008 17 2008 NEM Summit - The evolutions of the Digital Broadcast Landscape A nightmare for the Regulators...

18. © Teamcast - 2008 2008 NEM Summit - The evolutions of the Digital Broadcast Landscape 18 13th October 2008 “Multimedia Contents to Nomadic Terminals” Plethora of offers but… What do we observe now? Gerard FARIA (gerard.faria@teamcast.com)

19. © Teamcast - 2008 The Transmitter Network Question (CAPEX) 13th October 2008 19 2008 NEM Summit - The evolutions of the Digital Broadcast Landscape Transmitter Network Existing ATSC MH DMB TH DVB H ISDB Tss T DMB New CMMB DVB H DVB SH FLO

20. © Teamcast - 2008 The Business Model Question ( CAPEX, RoI & OPEX ) 13th October 2008 20 2008 NEM Summit - The evolutions of the Digital Broadcast Landscape Free-To- Air Existing NW Small CAPEX Best Effort Coverage Brand Name is KING PayServices New NW Huge CAPEX Universal Coverage Required Content SHALL be attractive DVB-HFLODVB-SH ATSC-MHDVB-HISDB-TssT-DMB

21. © Teamcast - 2008 ModulCast 13th October 2008 21 2008 NEM Summit - The evolutions of the Digital Broadcast Landscape Further information at: www.teamcast.com Easy-to-integrate, compact and truly cost effective technology for transmitter and base- station manufacturers: All the essential technical bricks needed to build up standard agnostic, high performance transmission systems at competitive pricing. ModulCast ® for Mobile Digital TV  High performance Digital TV modulators for T-DMB / DVB-H / FLO / DTMB / CMMB / DVB-T2  Hierarchical MIP inserters for SFNs,  Mobile DVB ‑ T /-H / -SH antenna diversity receivers,  Experimental DVB-H / DVB-SH receivers,  Ultra Low Phase Noise Synthesizers,

22. © Teamcast - 2008 Gerard FARIA (gerard.faria@teamcast.com) (gerard.faria@teamcast.com) TeamCast Espace Performance F35769 - SAINT GREGOIRE (FRANCE) +33 2 23 25 26 80 www.teamcast.comTeamCast Espace Performance F35769 - SAINT GREGOIRE (FRANCE) +33 2 23 25 26 80 www.teamcast.com TeamCast Inc. 111 West Washington Street IL60602 - CHICAGO (USA) +1 1 312 263 0033 www.teamcast.com TeamCast Inc. 111 West Washington Street IL60602 - CHICAGO (USA) +1 1 312 263 0033 www.teamcast.com Chicago.. Rennes Thank you for your attention ! 13th October 2008 22 2008 NEM Summit - The evolutions of the Digital Broadcast Landscape