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一种基于FGN和IDFT的自相似通信量生成算法 被引量：4

A new self-similar teletraffic generation arithmetic based on FGN and IDFT
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摘要 对网络模拟中必需的自相似通信量生成方法进行了研究,提出了一种基于分数高斯噪声(FGN,fractionalGaussiannoise)过程和逆离散傅立叶变换(IDFF,inversediscreteFouriertransform)的自相似通信量生成算法--FGN-IDFT算法,并通过仿真实验和比较分析的方法对该算法的精度和计算复杂度进行了大量的实验和分析。研究结果表明,利用FGN-IDFT算法生成的自相似通信量的精度和速度都令人满意,为实际网络模拟的进一步深入研究提供了基础。 Necessary self-similar teletraffic generation methods of simulating network traffic were studied, and a new arithmetic for generating self-similar teletraffic, based on fractional Gaussian noise (FGN) and inverse discrete Fourier transform (IDFT), was proposed and analysed in this paper. The statistical accuracy and complexity and time required to produce sequences of a given length were experimentally studied and comparatively analysed. This arithmetic shows a high level of accuracy of the generated self-similar teletraffic and is fast, and it provides the foundation for real network simulation.
作者 张连明 陈志刚 刘安丰
机构地区 中南大学信息科学与工程学院
出处 《通信学报》 EI CSCD 北大核心 2004年第11期16-25,共10页 Journal on Communications
基金 国家自然科学基金资助项目(10375024)湖南省自然科学基金资助项目(03JJY4054)
关键词 自相似通信量 FGN IDFT H参数 谱密度 self-similar teletraffic FGN IDFT Hurst parameter power spectrum density
分类号 TN915.43 [电子电信—通信与信息系统]
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参考文献14

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同被引文献43

  • 1梁智涛,何慧,李斌.自相似流量生成算法研究[J].微计算机信息,2008,24(6):219-221. 被引量：10
  • 2Jie Yu,Athina P Petropulu.Is High-speed Wireless Network Traffic Self-similar?[C].In:International Conference on Acoustics,Speech,and Signal Processing,Montreal,Quebec,Canada,2004-05
  • 3Q Liang.Ad hoc wireless network traffic-self-similarity and forecasting[J].Communications Letters,IEEE,2002; 6 [(7):297-299
  • 4E Will Leland,Murad Taqqu,Walter Willinger.On the Self-Similar Nature of Ethernet Traffic.(extended version)[J].IEEE/ACM Transactions on Networking,1994;2(1):1-15
  • 5V Paxson,S Floyd.Wide Area Traffic:The Failure of Poisson Modeling[J].IEEE/ACM Transactions on Networking,1995; 3 (3):226-244
  • 6Mark E Crovella,Azer Bestavros.Self-Similarity in World-Wide Web Traffic:Evidence and Possible Causes[J].IEEE/ACM Transactions on Networking,1997; 5 (6):835 -846
  • 7K Park,W Willinger.Self-Similar Network Traffic and Performance Evaluation[M].New York:Wiley,2000
  • 8Mark Garrett,Walter Willinger.Analysis,Modeling,and Generation of Self-Similar VBR Video Traffic[C].In:Proc of ACM SIGCOMM,1994:268-280
  • 9S Rambaldi,O Pinazza.An accurate fractional Brownian motion generator[J].Physica A,1994;202[(1):21-30
  • 10W C Lau,A Erramilli,J Wang.Self-Similar Traffic Generation:The Random Midpoint Displacement Algorithm and Its Properties[C].In:Proc of ICC95,1995

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通信学报
2004年 第11期

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