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CLC number: TN919.8

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Received: 2005-12-01

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Journal of Zhejiang University SCIENCE A 2006 Vol.7 No.5 P.873~884


Efficient video-on-demand services over mobile datacast channels

Author(s):  Jenkač, Hrvoje, Stockhammer Thomas, Xu Wen, Abdel Samad Wissam

Affiliation(s):  Institute for Communications Engineering, Munich University of Technology, Munich 80333, Germany; more

Corresponding email(s):   h@tum.de, stockhammer@nomor.de

Key Words:  Video-on-Demand (VoD), DVB-h, Pyramid broadcasting, FLUTE protocol, Raptor code

Jenkač Hrvoje, Stockhammer Thomas, Xu Wen, Abdel Samad Wissam. Efficient video-on-demand services over mobile datacast channels[J]. Journal of Zhejiang University Science A, 2006, 7(5): 873~884.

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DOI - 10.1631/jzus.2006.A0873

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.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


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