A DVB-H Tutorial

      Video over IP
     goes Wireless

                       Marie Josée (MJ) Drouin,
SMPTE Toronto Ch...
Who am I?
   Director with 15 years of Media experience, I lead technical teams of up to
    30 people and 3 managers to ...
© D. Tech 2010
Agenda


1. Video over Mobiles

2. DVB-H Technical Review

3. System Technical Review




                             © D...
Introduction
 Smart Phones = 50% by Q3 2011
 50% users watch video on Smart Phones




      Source: Nielsen’s data from...
Video Over Mobiles


                        Marie Josée (MJ) Drouin,
 SMPTE Toronto Chapter BootCamp, June 8th, 2010
    ...
Mobile: What’s different?
 Traditional DTV Display
     Uses wireline or large antennas
     Has unlimited 110V/220V po...
Broadcast or Telecom?




Source: August 2009 CRTC Communications Monitoring Report   © D. Tech 2010
Video over Mobile Standards
 Standards              Origin                  Dates
 ATSC-M/H ATSC                          ...
Standards per Country




                        © D. Tech 2010
What is DVB-H?

 Built by DVB
 Standardized by ETSI
 Unidirectional
 Based on DVB-T, Digital TV
  terrestrial transpor...
DVB-H Technical Review


                             Marie Josée (MJ) Drouin,
      SMPTE Toronto Chapter BootCamp, June ...
DVB-T: OSI Layer 1

                                               3




                                               2
...
DVB-T Modifications (L1)
 DVB-H signaling in
  TPS-Bits: Mandatory
     Mandatory Signaling: Cell ID, Time Slicing
    ...
DVB-H Protocol Stack & OSI L2

                                                       3
DVB-H



                         ...
DVB-H Innovations (L2)

 Time-slicing: Mandatory
    Power reduction
 MPE-FEC: Optional
  C/N
  Doppler

  Impulse i...
DVB-H System

                                             PSI/SI        NIT
                    Video

                  ...
Solving the Layer 1&2 Issues
 Mobility – Doppler:
     4K FFT size
 Power consumption:
     Time Slicing




         ...
Doppler Effect (L1)



Mobiles

IRD




   Source: ETSI TR 102 377 v1.2.1 (2005-11)   © D. Tech 2010
FFT Size Impacts (L1)
           OFDM parameters, 16QAM, GI 1/4, 6MHz             Modes, FFT size
                  FFT sy...
Power Consumption (L2)




Source: ETSI TR 102 377 v1.2.1 (2005-11)   © D. Tech 2010
Time-Slicing (L2)

                 Equivalent
Limited by the
  memory of
 the receiver




                              ...
Solving the Layer 3&4 Issues

 IP Datacast: Content Delivery Protocol
  (CDP)
 Architecture for Convergence of Broadcast...
CDP OSI Layer 3

                                           CDP         3
DVB-H




                                      ...
CDP Protocol Stack (L3&4)
                                                                           7

         ISO 13818...
System Technical Review


                             Marie Josée (MJ) Drouin,
      SMPTE Toronto Chapter BootCamp, June...
Putting it together: TM-CBMS




Source: ETSI TR 102 469 v1.1.1 (2006-5)   © D. Tech 2010
Future: Wireless Billboards?




                        © D. Tech 2010
Conclusion: DVB-H

   Fully Standardized End-to-End Service
   Backward Compatible
   Developed new Features for Mobile...
mjdrouin@gmail.com


                  Thank You


                       Marie Josée (MJ) Drouin,
SMPTE Toronto Chapter B...
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Video over IP goes wireless: A DVB-H Tutorial

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Presentation done during SMPTE Toronto Chapter 2-day BootCamp training on June 8th, 2010

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Video over IP goes wireless: A DVB-H Tutorial

  1. 1. A DVB-H Tutorial Video over IP goes Wireless Marie Josée (MJ) Drouin, SMPTE Toronto Chapter BootCamp, June 8th, 2010 © D. Tech 2010
  2. 2. Who am I?  Director with 15 years of Media experience, I lead technical teams of up to 30 people and 3 managers to deliver most aspects of the business - Operations, Customer Services, Information Technologies, Project Management, Engineering, and Procurement. I developed expertise in MJ Drouin© - May 19th, 2010 managing cable, wireless, satellite, transmission, engineering and software development. I worked at Bell, Teleglobe, Intelsat, CBC and as a expert consultant.  Professional Engineer, Masters in Technological Management, ITIL foundation, PMP - VSF  I have extensive experience in speaking since the 90's (ouf!), subjects were always a mix of technologies, commerce and management.  Past engagements included: My video is a file, now what? (2010), Service Oriented Architecture: Tutorial for the Broadcasters (2010), Pitfalls of SW development: What every executive should know (2009), 8 weeks on Twitter: I love it! (2009), The Future of Broadcast Archive Systems (2008), DVB-H: Video over IP goes Wireless (2006), HDTV distribution (2005), Video over IP (2004) and, Several broadcast technical training (1994-1998): Video 101, Digital Video and Compression 201, Video testing techniques 301.  http://www.linkedin.com/in/mjdrouin  http://twitter.com/mjdrouin 2 © D. Tech 2010
  3. 3. © D. Tech 2010
  4. 4. Agenda 1. Video over Mobiles 2. DVB-H Technical Review 3. System Technical Review © D. Tech 2010
  5. 5. Introduction  Smart Phones = 50% by Q3 2011  50% users watch video on Smart Phones Source: Nielsen’s data from Q3 2009 © D. Tech 2010
  6. 6. Video Over Mobiles Marie Josée (MJ) Drouin, SMPTE Toronto Chapter BootCamp, June 8th, 2010 © D. Tech 2010
  7. 7. Mobile: What’s different?  Traditional DTV Display  Uses wireline or large antennas  Has unlimited 110V/220V power  Is fixed  Methods to view Video on mobile  PodCast, mobile PVR  Internet services  Applications  3G/4G cell technology  Parallel broadcast networks © D. Tech 2010
  8. 8. Broadcast or Telecom? Source: August 2009 CRTC Communications Monitoring Report © D. Tech 2010
  9. 9. Video over Mobile Standards Standards Origin Dates ATSC-M/H ATSC T: 2006 US D: 2009 DVB-H DVB (ETSI) T: 2004 International D: 2006 Single-segment DiBEG (ARIB) T: 2004 ISDB-T Japan, Brazil D: 2006 DMB-T/H DAB/DMB (ETSI) T: 2006 China, Korea D: 2006 Legend: T: Public Trial, D: Commercial Deployment © D. Tech 2010
  10. 10. Standards per Country © D. Tech 2010
  11. 11. What is DVB-H?  Built by DVB  Standardized by ETSI  Unidirectional  Based on DVB-T, Digital TV terrestrial transport  IP packets at the Network Layer  Can be muxed with DVB-T CBR services © D. Tech 2010
  12. 12. DVB-H Technical Review Marie Josée (MJ) Drouin, SMPTE Toronto Chapter BootCamp, June 8th, 2010 © D. Tech 2010
  13. 13. DVB-T: OSI Layer 1 3 2 DVB-T 1 Source: ETSI TR 102 377 v1.2.1 (2005-11) © D. Tech 2010
  14. 14. DVB-T Modifications (L1)  DVB-H signaling in TPS-Bits: Mandatory  Mandatory Signaling: Cell ID, Time Slicing  DVB-H Options using TPS bits signaling: MPE-FEC, Interleaver depth, 4K mode  4K FFT size mode: Optional  In-depth symbol interleaver: Optional  8K interleaver for 2k and 4k modes © D. Tech 2010
  15. 15. DVB-H Protocol Stack & OSI L2 3 DVB-H 2 DVB-T 1 Source: ETSI TR 102 377 v1.2.1 (2005-11) © D. Tech 2010
  16. 16. DVB-H Innovations (L2)  Time-slicing: Mandatory  Power reduction  MPE-FEC: Optional  C/N  Doppler  Impulse interference © D. Tech 2010
  17. 17. DVB-H System PSI/SI NIT Video INT Video TS DVB-T Receiver MPEG4 MPEG4 MPEG4 Encoder IP Encoder Encoder RF IRD H264 RF RF IP Backbone DVB-H Receiver * Inspired by ETSI TR 102 377 v1.2.1 (2005-11) © D. Tech 2010
  18. 18. Solving the Layer 1&2 Issues  Mobility – Doppler:  4K FFT size  Power consumption:  Time Slicing © D. Tech 2010
  19. 19. Doppler Effect (L1) Mobiles IRD Source: ETSI TR 102 377 v1.2.1 (2005-11) © D. Tech 2010
  20. 20. FFT Size Impacts (L1) OFDM parameters, 16QAM, GI 1/4, 6MHz Modes, FFT size FFT symbol size characteristics 2K 4K 8K Number of Carriers (K) 1705 3409 6817 Duration of symbol - Tu (µsec) 299 597 1195 Carrier Spacing - 1/Tu (Hz) 3348 1674 837 Duration of guard interval - Δ (µsec) 75 149 299  FFT size Impacts on RF performance  Doppler Frequency – Mobility  Echo delay – Maximum SFN radius area  Channel estimation – Demodulator complexity & power  Phase noise resistance – Robustness Source: ETSI TR 102 377 v1.2.1 (2005-11) & ETSI EN 300 744 V.1.5.1 (2004-11) 2010 © D. Tech
  21. 21. Power Consumption (L2) Source: ETSI TR 102 377 v1.2.1 (2005-11) © D. Tech 2010
  22. 22. Time-Slicing (L2) Equivalent Limited by the memory of the receiver MPE Sections Source: ETSI TR 102 377 v1.2.1 (2005-11) © D. Tech 2010
  23. 23. Solving the Layer 3&4 Issues  IP Datacast: Content Delivery Protocol (CDP)  Architecture for Convergence of Broadcast and Mobile Services (TM-CBMS) © D. Tech 2010
  24. 24. CDP OSI Layer 3 CDP 3 DVB-H 2 DVB-T 1 Source: ETSI TR 102 377 v1.2.1 (2005-11) © D. Tech 2010
  25. 25. CDP Protocol Stack (L3&4) 7 ISO 13818 6 SMPTE 2022 RFC 2250 ETSI 5 RFC 3984 RFC 3550 RFC 3926 RFC 2616 4 3 ETSI 3GPP 2 Return Channel – not mandatory 1 Source: ETSI TS 102 472 V1.1.1 (2006-06) © D. Tech 2010
  26. 26. System Technical Review Marie Josée (MJ) Drouin, SMPTE Toronto Chapter BootCamp, June 8th, 2010 © D. Tech 2010
  27. 27. Putting it together: TM-CBMS Source: ETSI TR 102 469 v1.1.1 (2006-5) © D. Tech 2010
  28. 28. Future: Wireless Billboards? © D. Tech 2010
  29. 29. Conclusion: DVB-H  Fully Standardized End-to-End Service  Backward Compatible  Developed new Features for Mobiles  IP Based Service  Services are tested and rolled-out all over the World  ATSC-M/H faces very similar complexities © D. Tech 2010
  30. 30. mjdrouin@gmail.com Thank You Marie Josée (MJ) Drouin, SMPTE Toronto Chapter BootCamp, June 8th, 2010 © D. Tech 2010

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