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TES-based video source modeling for performance evaluation of integrated networks

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4 Author(s)
B. Melamed ; C&C Res. Labs., NEC USA Inc., Princeton, NJ, USA ; D. Raychaudhuri ; B. Sengupta ; J. Zdepski

The letter considers modeling methodologies of variable bit-rate (VBR) video sources for performance evaluation of integrated networks. The authors consider an example in which compressed H.261 standard VBR video is transmitted over a local area network carrying both video and data. A group-of-block (GOB) level source model has been constructed using TES (transform-expand-sample)-a new general methodology for generating stationary autocorrelated time series, which can simultaneously capture a prescribed marginal distribution and autocorrelation function. The TES model is used to drive CSMA/CD network simulations for a performance evaluation study. Numerical comparisons with a conventional autoregressive (AR) modeling approach are given

Published in:

IEEE Transactions on Communications  (Volume:42 ,  Issue: 10 )