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ZJUS-A
Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2006, Vol. 7 Issue (5 ): 14-    DOI: 10.1631/jzus.2006.A0784
    
Delivering audiovisual content with MPEG-21-enabled cross-layer QoS adaptation
Ahmed Toufik, Djama Ismail
CNRS-LaBRI Laboratory, University of Bordeaux-1.351 Cours de la Libération, Talence F-33405, France
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Abstract  Future multimedia communication systems have to support the user’s needs, the terminal capabilities, the content specification and the underlying networking technologies. The related protocols and applications must be designed from this integration perspective in a cross-layer centric manner. In this paper, we propose an implementation of a streaming service (e.g., Television over IP service) with a unified QoS management concept that enables an IP driven integration of different system components (terminal, user, content, and network). The MPEG-21 framework is used to provide a common support for implementing and managing the end-to-end QoS. The main focus of this paper is on the architecture design, protocols specification and implementation evaluation. Performance evaluations using PSNR and SSIM objective video quality metrics show the benefit of the proposed MPEG-21-enabled cross-layer adaptation.

Key words： Cross-layer adaptation      MPEG-21 multimedia framework      Real-time streaming      QoS     
Received: 01 December 2005     
CLC:  TN919.8  
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Ahmed Toufik
Djama Ismail
Cite this article:

Ahmed Toufik, Djama Ismail. Delivering audiovisual content with MPEG-21-enabled cross-layer QoS adaptation. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2006, 7(5 ): 14-.

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http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.2006.A0784     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2006/V7/I5 /14

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