信息与智能2023NO.8SCIENCE&TECHNOLOGYINFORMATION科技资讯SCIENCE&TECHNOLOGYINFORMATION科技资讯基于组合权重和多属性决策的异构网络接入算法李远彤石振刚*(沈阳理工大学信息科学与工程学院辽宁沈阳110159)摘要：为提高异构网络的接入性能，提升用户体验，文章提出了一种基于组合权重和多属性决策的异构网络接入算法，该算法可以根据用户业务特性的不同，使用熵权法和模糊层次分析法（FAHP）分别计算网络属性的主观权重和客观权重，然后根据组合权重，使用VIKOR计算网络的最后分值，将网络排序，进行了异构无线网络的接入。最后进行了所提算法与其他3种算法（Entropy-FAHP-SAW、Entropy-FAHP-MEW、Entropy-FAHP-TOPSIS）的对比仿真实验，结果表明，算法在保障业务用户Qos的基础上，降低了网络的切换次数、切换失败，减少了乒乓效应，提高了接入判决的服务质量。关键词：异构网络熵权法模糊层次分析法VIKOR中图分类号：TN92文献标识码：A文章编号：1672-3791(2023)08-0025-04TheHeterogeneousNetworkAccessAlgorithmBasedonCombinedWeightsandMulti-attributeDecision-makingLIYuantongSHIZhengang*(SchoolofInformationScienceandEngineering,ShenyangLigongUniversity,Shenyang,LiaoningProvince,110159China)Abstract:Inordertoimprovetheaccessperformanceofheterogeneousnetworksandimproveuserexperience,thispa‐perproposesaheterogeneousnetworkaccessalgorithmbasedoncombinedweightsandmulti-attributedecision-making.ThisalgorithmcanusetheentropyweightmethodandFAHPtorespectivelycalculatethesubjectiveweightsandobjectiveweightsofnetworkattributesaccordingtodifferentuserservicecharacteristics,andthenusesVIKORtocalculatethelastscoreofthenetworkaccordingtocombinedweights,sortthenetwork,andaccessheterogeneouswirelessnetworks.Fi‐nally,thecomparisonandsimulationexperimentsoftheproposedalgorithmandotherthreealgorithms(Entropy-FAHP-SAW,Entropy-FAHP-MEWandEntropy-FAHP-TOPSIS)arecarriedout.Resultsshowthatthealgorithmreducesthenumberofnetworkswitchingtimesandswitchingfailures,reducestheping-pongeffectandimprovestheservicequalityofaccessjudgmentonthebasisofensuringQosforserviceusers.KeyWords:Heterogeneousnetworks;Entropyweightmethod;Fuzzyanalytichierarchyprocess;VIKOR在异构...
