基于不同消失矩的多分形小波模型对网络流量的合成和分析

基于不同消失矩的多分形小波模型对网络流量的合成和分析

冯海亮，林青家，陈涤*，陈春晓

山东大学信息科学与工程学院，山东济南250100

收稿日期:2005-11-30 修回日期:2005-12-30 出版日期:2006-10-24 发布日期:2006-10-24
通讯作者: 陈涤

Synthesis and analysis of network traffic based on multifractal wavelet model with different vanish moments

FENG Hai-liang, LIN Qin-jia,CHEN Di and CHEN Chun-xiao

School of Information Science and Engineering, Shandong Univ., Jinan 250100, Shandong, China

Received:2005-11-30 Revised:2005-12-30 Online:2006-10-24 Published:2006-10-24
Contact: CHEN Di

摘要/Abstract

摘要： 多分形小波模型（MWM）是一种比较理想的模型，能够较好地刻画网络流量的多分形特征. 小波基的选择影响着模型对原始流量多分形特征的刻画精度，Daubechies小波根据其消失矩分类，在小波函数中具有代表性. 使用不同消失矩的Daubechies小波来讨论多分形小波模型的小波基选择问题，根据对几种流量仿真结果的分析讨论，找到了合适的小波基.

关键词: 多分形, 网络流量, daubechies小波 , 消失矩

Abstract: Multifractal wavelet model (MWM) is a comparatively ideal model, which is able to fairly describe the multifractal characteristic of the network traffic. The choice of wavelet base affects the model's description precision of real traffic multifractal character. Daubechies wavelets, which are classified by vanish moments, are representative in wavelet functions. In this paper, with the consideration of Daubechies wavelets with different vanish moments, the question of how to choose the wavelet base in the multifractal wavelet model is discussed. Finally, by analyzing several simulation results of the traffic, the proper wavelet base is obtained.

Key words: daubechies wavelet , vanish moment, network traffic, multifractal

中图分类号:

TN915.01

冯海亮,林青家,陈涤*,陈春晓 . 基于不同消失矩的多分形小波模型对网络流量的合成和分析[J]. J4, 2006, 41(2): 125-130 .

FENG Hai-liang,LIN Qin-jia,CHEN Di and CHEN Chun-xiao . Synthesis and analysis of network traffic based on multifractal wavelet model with different vanish moments[J]. J4, 2006, 41(2): 125-130 .

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