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ZJUS-A
Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2006, Vol. 7 Issue (5): 873-884    DOI: 10.1631/jzus.2006.A0873
Video Streaming     
Efficient video-on-demand services over mobile datacast channels
Jenkač Hrvoje, Stockhammer Thomas, Xu Wen, Abdel Samad Wissam
Institute for Communications Engineering, Munich University of Technology, Munich 80333, Germany; Nomor Research, Bergen 83346, Germany; BenQ Mobile, Munich 81675, Germany
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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     
Received: 01 December 2005     
CLC:  TN919.8  
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Jenkač Hrvoje
Stockhammer Thomas
Xu Wen
Abdel Samad Wissam
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Jenkač Hrvoje, Stockhammer Thomas, Xu Wen, Abdel Samad Wissam. Efficient video-on-demand services over mobile datacast channels. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2006, 7(5): 873-884.

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http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.2006.A0873     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2006/V7/I5/873

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