Journal of Zhejiang University-SCIENCE A

, Volume 7, Issue 5, pp 873–884 | Cite as

Efficient Video-on-Demand services over mobile datacast channels

  • Jenkač Hrvoje 
  • Stockhammer Thomas 
  • Xu Wen 
  • Abdel Samad Wissam 
Article

Abstract

The integration of reliable Video-on-Demand (VoD) broadcasting schemes in the DVB-h transmission system is studied, exemplary for Pyramid Broadcasting (PB). Sophisticated VoD broadcasting schemes such as PB allow receivers to tune into the ongoing transmission of a video-stream at arbitrary time, while still being able to receive the multimedia sequence from the beginning to end, after a short initial playout latency. Raptor coding, integrated in the FLUTE protocol, is combined with the traditional PB scheme in order to provide high service and presentation reliability. We give a short overview on the DVB-h transmission system as well as on the FLUTE protocol. We present and discuss options for the integration of VoD broadcasting schemes in combination with Raptor coding. We achieve backward-compatibility even with terminals not supporting Raptor coding. Simulation results show the benefits of the discussed VoD scheme compared to existing carousel approaches in DVB-h.

Key words

Video-on-Demand (VoD) DVB-h Pyramid broadcasting FLUTE protocol Raptor code 

CLC number

TN919.8 

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Copyright information

© Zhejiang University 2006

Authors and Affiliations

  • Jenkač Hrvoje 
    • 1
  • Stockhammer Thomas 
    • 2
  • Xu Wen 
    • 3
  • Abdel Samad Wissam 
    • 3
  1. 1.Institute for Communications EngineeringMunich University of TechnologyMunichGermany
  2. 2.Nomor ResearchBergenGermany
  3. 3.BenQ MobileMunichGermany

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