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QPSO算法优化BP网络的网络流量预测
引用本文:冯华丽,刘渊,陈冬.QPSO算法优化BP网络的网络流量预测[J].计算机工程与应用,2012,48(3):102-104.
作者姓名:冯华丽  刘渊  陈冬
作者单位:1. 江南大学信息工程学院,江苏无锡,214122
2. 江南大学信息工程学院,江苏无锡214122;江南大学数字媒体学院,江苏无锡214122
基金项目:2007年国家科技部863计划(No.2007AA1Z158)
摘    要:网络流量预测对于大规模网络的规划设计和网络资源管理等方面都具有积极的意义,是网络流量工程重要组成部分。结合QPSO算法和BP神经网络的优势,采用QPSO算法对BP神经网络的权值和阈值进行优化,并利用历史记录训练BP网络。仿真实验表明,与PSO训练的BP网络以及直接用BP网络进行预测的模型相比,基于QPSO训练的BP网络流量预测模型具有更好的预测能力。

关 键 词:量子粒子群算法  粒子群算法  神经网络  网络流量  预测
修稿时间: 

Network traffic prediction based on BPNN optimized by QPSO algorithm
FENG Huali , LIU Yuan , CHEN Dong.Network traffic prediction based on BPNN optimized by QPSO algorithm[J].Computer Engineering and Applications,2012,48(3):102-104.
Authors:FENG Huali  LIU Yuan  CHEN Dong
Affiliation:1.School of Information Engineering,Jiangnan University,Wuxi,Jiangsu 214122,China 2.School of Digital Media,Jiangnan University,Wuxi,Jiangsu 214122,China
Abstract:Network traffic prediction is positive significance for design of network and resource management,and it is an important section of traffic engineering.This paper presents a method of network traffic prediction based on the algorithm of QPSO and BP neural net-work.QPSO algorithm is applied to optimize the weights and thresholds in BP neural network,and historical records are used to train BP neural network.The emulation experiment results show that compared with the model only based on BP neural network model and the model of BPNN trained by PSO,the model of BPNN trained of QPSO is more successful in the network traffic prediction.
Keywords:Quantum-behaved Particle Swarm Optimization(QPSO)  Particle Swarm Optimization(PSO)  neural network  network traffic  prediction
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