A multiscale model for MPEG-4 varied bit rate video traffic

被引：14
|
作者：
Huang, XD [1 ]
Zhou, YH [1 ]
Zhang, RF [1 ]
机构：
[1] Shanghai Jiao Tong Univ, Inst Image Commun & Informat Proc, Shanghai 200030, Peoples R China
来源：
IEEE TRANSACTIONS ON BROADCASTING | 2004年 / 50卷 / 03期
关键词：
multiplicative multifractal process; symmetric pareto distribution; traffic modeling; video traffic; zero symmetric; pareto distribution;
D O I：
10.1109/TBC.2004.834013
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper studies modeling approach of MPEG-4 VBR video traffic based on multifractal multiplicative model. Multiscale analysis reveals that the multiplier distribution is different in style on different time scales. Based on statistical characteristics of the multipliers, a composite modeling approach is proposed: Gaussian distribution is used to fit multiplier distribution at large time scales, a new statistical distribution-Symmetric Pareto distribution to fit multiplier distribution at small time scales and a linear model to model frame traffic. Simulations are performed to validate the good effect of this approach.
引用
收藏
页码：323 / 334
页数：12
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