Modeling and analysis of MPEG video sources for performance evaluation of broadband integrated networks

  • Nicola Bléfari-Melazzi
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 1044)


This paper consists of two parts. In the first one, we present a statistical analysis of experimental MPEG video sources and we test some literature models for the performance evaluation of a queueing system loaded with such bit streams. In the second one, we propose a new modeling approach that considers the particular structure of MPEG streams and gives extremely accurate results in a well-defined set of the queueing system parameters.

Our results show that the impact of correlations and the particular structure of MPEG sequences (the GOP) is very significant. As a consequence it does not seem possible to model MPEG sources with stochastic processes based on only one picture type, with “simple” bit rate distribution, and/or whose autocorrelation function is a sum of exponential functions.

The proposed model is validated with simulation results produced using many experimental video sequences (both MPEG1 and MPEG2); the sequences analysed are long enough to allow a significant statistical analysis.


Arrival Rate Buffer Size Arrival Process Experimental Sequence Probability Mass Function 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer-Verlag Berlin Heidelberg 1996

Authors and Affiliations

  • Nicola Bléfari-Melazzi
    • 1
  1. 1.D.I.E. Dept.University of Roma at Tor VergataItaly

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