JZUS - Journal of Zhejiang University SCIENCE

Journal of Zhejiang University SCIENCE A 2006 Vol.7 No.5 P.784-793

http://doi.org/10.1631/jzus.2006.A0784

Delivering audiovisual content with MPEG-21-enabled cross-layer QoS adaptation

Author(s): Ahmed Toufik, Djama Ismail
Affiliation(s): CNRS-LaBRI Laboratory, University of Bordeaux-1.351 Cours de la Libé more
Corresponding email(s): tad@labri.fr, djama@labri.fr
Key Words: Cross-layer adaptation, MPEG-21 multimedia framework, Real-time streaming, QoS

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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.

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