2-open software platforms for mobile digital broadcasting
TRANSCRIPT
8/2/2019 2-Open Software Platforms for Mobile Digital Broadcasting
http://slidepdf.com/reader/full/2-open-software-platforms-for-mobile-digital-broadcasting 1/32
Open Software Platforms for Mobile Digital Broadcasting
- Presentation Transcript
1. Open Software Platforms for Mobile Digital Broadcasting François LefebvreCommunications Research Centre, Canada UQO, 4 février 2010 1
2. Context for Mobile Broadcasting The DAB/DMB System CRC Projects Future? 23. Replacement technologies for Terrestrial Radio + TV Spectrum efficiency / digital
dividend Digital enhancements Convergence of services and devices 3
8/2/2019 2-Open Software Platforms for Mobile Digital Broadcasting
http://slidepdf.com/reader/full/2-open-software-platforms-for-mobile-digital-broadcasting 2/32
4. Mobile Convergence 4
5. Device Convergence 5
8/2/2019 2-Open Software Platforms for Mobile Digital Broadcasting
http://slidepdf.com/reader/full/2-open-software-platforms-for-mobile-digital-broadcasting 3/32
6. The Long Tail Size of Specialized Infrastructure Audience Efficiency: Spectrum, $/bitHead of the Long Tail Very large audiences Live Content ranked by popularity 6
7. Mobile Digital Broadcasting Standards 7
8. DAB System 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
8/2/2019 2-Open Software Platforms for Mobile Digital Broadcasting
http://slidepdf.com/reader/full/2-open-software-platforms-for-mobile-digital-broadcasting 4/32
: 174 to 240MHz L-Band : 1452 to 1492MHz Modulation: COFDM Single Frequency Networks 8
9. DAB/DMB Applications Dynamic label segment (text for radio) Slideshow BroadcastWebsite Electronic Program Guide Traffic information DMB ... 9
10.DAB System Transmitter Audio Codec 1 M U Audio L Codec 2 One DAB T Ensemble
High Power I Modulator Amplifier Audio P Codec 3 L E . . X . E Audio R Codec N 10
8/2/2019 2-Open Software Platforms for Mobile Digital Broadcasting
http://slidepdf.com/reader/full/2-open-software-platforms-for-mobile-digital-broadcasting 5/32
11.DAB/DMB Applications Video DAB Data Pipeline Audio 1 1.5 Mbps 2 Programs 3 4 5Subscription Datacasting Services Navigation, Traffic, Weather, Maps, etc. 11
12. CRC Projects: DAB Transmission 12
8/2/2019 2-Open Software Platforms for Mobile Digital Broadcasting
http://slidepdf.com/reader/full/2-open-software-platforms-for-mobile-digital-broadcasting 6/32
13.Architecture
8/2/2019 2-Open Software Platforms for Mobile Digital Broadcasting
http://slidepdf.com/reader/full/2-open-software-platforms-for-mobile-digital-broadcasting 7/32
14.Trend: Software on Generic HW
8/2/2019 2-Open Software Platforms for Mobile Digital Broadcasting
http://slidepdf.com/reader/full/2-open-software-platforms-for-mobile-digital-broadcasting 8/32
15.Software Defined Radio USRP: Ettus research
8/2/2019 2-Open Software Platforms for Mobile Digital Broadcasting
http://slidepdf.com/reader/full/2-open-software-platforms-for-mobile-digital-broadcasting 9/32
16.Software Building Blocks
8/2/2019 2-Open Software Platforms for Mobile Digital Broadcasting
http://slidepdf.com/reader/full/2-open-software-platforms-for-mobile-digital-broadcasting 10/32
17.CRC DAB Software Stack 19
18. Ubuntu Base System
8/2/2019 2-Open Software Platforms for Mobile Digital Broadcasting
http://slidepdf.com/reader/full/2-open-software-platforms-for-mobile-digital-broadcasting 11/32
19.Ubuntu Minimized
8/2/2019 2-Open Software Platforms for Mobile Digital Broadcasting
http://slidepdf.com/reader/full/2-open-software-platforms-for-mobile-digital-broadcasting 12/32
20.Ubuntu with CRC Tools
8/2/2019 2-Open Software Platforms for Mobile Digital Broadcasting
http://slidepdf.com/reader/full/2-open-software-platforms-for-mobile-digital-broadcasting 13/32
21.mmbTools live CD
8/2/2019 2-Open Software Platforms for Mobile Digital Broadcasting
http://slidepdf.com/reader/full/2-open-software-platforms-for-mobile-digital-broadcasting 14/32
22.“One Click” Transmitter
8/2/2019 2-Open Software Platforms for Mobile Digital Broadcasting
http://slidepdf.com/reader/full/2-open-software-platforms-for-mobile-digital-broadcasting 15/32
23.mmbTools Web Appliances
24. CRC DAB Projects: Reception
8/2/2019 2-Open Software Platforms for Mobile Digital Broadcasting
http://slidepdf.com/reader/full/2-open-software-platforms-for-mobile-digital-broadcasting 16/32
25.Colliding Business Models ? Broadcaster MNO FTA-TV Pay-TV
8/2/2019 2-Open Software Platforms for Mobile Digital Broadcasting
http://slidepdf.com/reader/full/2-open-software-platforms-for-mobile-digital-broadcasting 17/32
26.Open Handhelds (2007)
8/2/2019 2-Open Software Platforms for Mobile Digital Broadcasting
http://slidepdf.com/reader/full/2-open-software-platforms-for-mobile-digital-broadcasting 18/32
27. No Broadcasting Stack!
8/2/2019 2-Open Software Platforms for Mobile Digital Broadcasting
http://slidepdf.com/reader/full/2-open-software-platforms-for-mobile-digital-broadcasting 19/32
28.Openmokast Stack
8/2/2019 2-Open Software Platforms for Mobile Digital Broadcasting
http://slidepdf.com/reader/full/2-open-software-platforms-for-mobile-digital-broadcasting 20/32
29. Openmokast Architecture Receiver control Demultiplexing Application decodingPresentation
8/2/2019 2-Open Software Platforms for Mobile Digital Broadcasting
http://slidepdf.com/reader/full/2-open-software-platforms-for-mobile-digital-broadcasting 21/32
30. Adapt Openmoko Device
8/2/2019 2-Open Software Platforms for Mobile Digital Broadcasting
http://slidepdf.com/reader/full/2-open-software-platforms-for-mobile-digital-broadcasting 22/32
31. 100$ 3D Print
8/2/2019 2-Open Software Platforms for Mobile Digital Broadcasting
http://slidepdf.com/reader/full/2-open-software-platforms-for-mobile-digital-broadcasting 23/32
32.Adapt Openmoko Device
8/2/2019 2-Open Software Platforms for Mobile Digital Broadcasting
http://slidepdf.com/reader/full/2-open-software-platforms-for-mobile-digital-broadcasting 24/32
33.Openmokast Prototype
34.Screenshots
8/2/2019 2-Open Software Platforms for Mobile Digital Broadcasting
http://slidepdf.com/reader/full/2-open-software-platforms-for-mobile-digital-broadcasting 25/32
35. Android
8/2/2019 2-Open Software Platforms for Mobile Digital Broadcasting
http://slidepdf.com/reader/full/2-open-software-platforms-for-mobile-digital-broadcasting 26/32
36. Android Openmokast Player Openmokast Player on on T-Mobile G1 Android Market(MAS)
8/2/2019 2-Open Software Platforms for Mobile Digital Broadcasting
http://slidepdf.com/reader/full/2-open-software-platforms-for-mobile-digital-broadcasting 27/32
37. DAB Personal LAB
8/2/2019 2-Open Software Platforms for Mobile Digital Broadcasting
http://slidepdf.com/reader/full/2-open-software-platforms-for-mobile-digital-broadcasting 28/32
38. Licensing Design
8/2/2019 2-Open Software Platforms for Mobile Digital Broadcasting
http://slidepdf.com/reader/full/2-open-software-platforms-for-mobile-digital-broadcasting 29/32
39.Adopt Royalty-Free Tech • In broadcasting: most standards require non-RF tech • Must payroyalties for most CODECS • - Can't distribute free software implementations at large •Foster adoption of RF tech in standards • CRC mmbTools now includes CELT widebandaudio CODEC for DAB
40. mmbTools Community www.opendigitalradio.org Tweak USRP for appropriate
bands Build power amplifier 8 streaming internet radio into CRC mmbTools FM modulator with USRP + Gnu Radio Companion Receiver manufacturers Pre-market field trials
41. Future Projects?42. New Software Receiver Platforms IGEPv2 Beagleboard Zoom ... SDR? Multi-
standard? Mobile Hotspot – Wifi
43.FM + RDS in mobile devices GSM Phones © HTC 45
44.Other Potential Projects • Live CD: • Support more standards: FM/RDS, ATSC/MH, … •Update tu recent Ubuntu releases (LTS) • Openmokast: Bcast chipsets into open phones •Openmokast: Port to Android • New broadcast apps • Royalty-free codecs: audio, video(CELT, Theora) • OpenBTS as return link • Broadcast apps in “App Stores” • Micro- broadcasting: events,… • Field trial: 3G radio reception • …?
8/2/2019 2-Open Software Platforms for Mobile Digital Broadcasting
http://slidepdf.com/reader/full/2-open-software-platforms-for-mobile-digital-broadcasting 30/32
45. Internet Radio Apps for iPhone © Apple, iTunes Store 47
8/2/2019 2-Open Software Platforms for Mobile Digital Broadcasting
http://slidepdf.com/reader/full/2-open-software-platforms-for-mobile-digital-broadcasting 31/32
46. Internet Radio Standardisation - Central listings of radio stations - Detailed stations info +more... - CE devices and others - Managed vs unmanaged - Free vs licensed FM RadioUnique internet link Internet radio unmanaged, free Internet radio + DAB + FM + ...Managed, licensed 48
47. Conclusions Broadcasting = One-to-many Telecom Business models for broadcasting stillevolving Open & RF & Software and Generic HW = democratisation = rapid innovationcycles, adoption, QoL Other platforms coming: Internet, 3G, LTE, Wimax,... Identified potential R&D projects 49
8/2/2019 2-Open Software Platforms for Mobile Digital Broadcasting
http://slidepdf.com/reader/full/2-open-software-platforms-for-mobile-digital-broadcasting 32/32
48. Merci ! PROJECTS openmokast.org mmbtools.crc.ca www.crc.ca/mmbhttp://www.youtube.com/crcmmb http://www.slideshare.net/tag/crcmmb BLOGBroadcasting20.org, Twitter: @fralef [email protected]