Mobile Digital Broadcasting
Democratizing Innovation
François Lefebvre, Communications Research Centre Canada
Mobile Convergence




 François Lefebvre, Communications Research Centre Canada
One-to-Many Telecom
                                 Specialized Infrastructure
                                 Efficienc...
Standards




 François Lefebvre, Communications Research Centre Canada
DAB / DMB
Features
High speed mobility
Capacity: 1.5 Mbps / channel ( 16 Gb / day )
High bitrate AV & Data:
  Typical vide...
CRC DAB Implementation



                      Transmission




 François Lefebvre, Communications Research Centre Canada
Typical Tx Rack




 François Lefebvre, Communications Research Centre Canada
François Lefebvre, Communications Research Centre Canada
François Lefebvre, Communications Research Centre Canada
François Lefebvre, Communications Research Centre Canada
Software Defined Radio




 François Lefebvre, Communications Research Centre Canada
Software Building Blocks




 François Lefebvre, Communications Research Centre Canada
Pre-Configured Software




 François Lefebvre, Communications Research Centre Canada
“One Click” Transmitter




 François Lefebvre, Communications Research Centre Canada
Low Cost Broadcast Tx




 François Lefebvre, Communications Research Centre Canada
Coverage Simulation




 François Lefebvre, Communications Research Centre Canada
CRC DAB Implementation



                            Reception




 François Lefebvre, Communications Research Centre Can...
Colliding Business Models


                                               ?
                                             ...
Open Handhelds (2007)




 François Lefebvre, Communications Research Centre Canada
No Broadcasting Stack!




 François Lefebvre, Communications Research Centre Canada
Openmokast
                                                           Receiver control

                                  ...
Adapt Openmoko Device




 François Lefebvre, Communications Research Centre Canada
100$ 3D Print




 François Lefebvre, Communications Research Centre Canada
Adapt Openmoko Device




 François Lefebvre, Communications Research Centre Canada
Openmokast Prototype




 François Lefebvre, Communications Research Centre Canada
Screenshots




 François Lefebvre, Communications Research Centre Canada
Demo




      http://www.youtube.com/crcmmb
François Lefebvre, Communications Research Centre Canada
Next ?
•   LiveCD: Support more standards: ATSC/MH, …
•   Openmokast: Released TODAY as GPL code
•   Openmokast: Bcast chi...
Thank you!
                                   PROJECTS
                               openmokast.org
                     ...
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A short introduction of what Mobile Digital Broadcasting is and an applied demonstration of transmission and reception tools developed at CRC

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eComm Presentation

  1. 1. Mobile Digital Broadcasting Democratizing Innovation François Lefebvre, Communications Research Centre Canada
  2. 2. Mobile Convergence François Lefebvre, Communications Research Centre Canada
  3. 3. One-to-Many Telecom Specialized Infrastructure Efficiency: Spectrum, $/bit Head of the Long Tail Very large audiences Live François Lefebvre, Communications Research Centre Canada
  4. 4. Standards François Lefebvre, Communications Research Centre Canada
  5. 5. DAB / DMB Features High speed mobility Capacity: 1.5 Mbps / channel ( 16 Gb / day ) High bitrate AV & Data: Typical video to mobile screen: 384-512 kbps Spectrum: Band III : 174 to 240MHz L-Band : 1452 to 1492MHz Modulation: COFDM Single Frequency Networks François Lefebvre, Communications Research Centre Canada
  6. 6. CRC DAB Implementation Transmission François Lefebvre, Communications Research Centre Canada
  7. 7. Typical Tx Rack François Lefebvre, Communications Research Centre Canada
  8. 8. François Lefebvre, Communications Research Centre Canada
  9. 9. François Lefebvre, Communications Research Centre Canada
  10. 10. François Lefebvre, Communications Research Centre Canada
  11. 11. Software Defined Radio François Lefebvre, Communications Research Centre Canada
  12. 12. Software Building Blocks François Lefebvre, Communications Research Centre Canada
  13. 13. Pre-Configured Software François Lefebvre, Communications Research Centre Canada
  14. 14. “One Click” Transmitter François Lefebvre, Communications Research Centre Canada
  15. 15. Low Cost Broadcast Tx François Lefebvre, Communications Research Centre Canada
  16. 16. Coverage Simulation François Lefebvre, Communications Research Centre Canada
  17. 17. CRC DAB Implementation Reception François Lefebvre, Communications Research Centre Canada
  18. 18. Colliding Business Models ? MNO Broadcaster Pay-TV FTA-TV François Lefebvre, Communications Research Centre Canada
  19. 19. Open Handhelds (2007) François Lefebvre, Communications Research Centre Canada
  20. 20. No Broadcasting Stack! François Lefebvre, Communications Research Centre Canada
  21. 21. Openmokast Receiver control Demultiplexing Application decoding Presentation François Lefebvre, Communications Research Centre Canada
  22. 22. Adapt Openmoko Device François Lefebvre, Communications Research Centre Canada
  23. 23. 100$ 3D Print François Lefebvre, Communications Research Centre Canada
  24. 24. Adapt Openmoko Device François Lefebvre, Communications Research Centre Canada
  25. 25. Openmokast Prototype François Lefebvre, Communications Research Centre Canada
  26. 26. Screenshots François Lefebvre, Communications Research Centre Canada
  27. 27. Demo http://www.youtube.com/crcmmb François Lefebvre, Communications Research Centre Canada
  28. 28. Next ? • LiveCD: Support more standards: ATSC/MH, … • Openmokast: Released TODAY as GPL code • Openmokast: Bcast chipsets into open phones • Openmokast: Port to Android • New Applications • OpenBTS as return link • Broadcast apps in “App Stores” • Micro-broadcasting: events,… • Community broadcasting, remote areas,… • …? François Lefebvre, Communications Research Centre Canada
  29. 29. Thank you! PROJECTS openmokast.org mmbTools.crc.ca www.crc.ca/mmb BLOG Broadcasting20.org francois.lefebvre@crc.ca François Lefebvre, Communications Research Centre Canada

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