基于效用函数的E-TOPSIS异构无线网络选择算法  

E-TOPSIS Heterogeneous Wireless Network Selection Algorithm Based on Utility Functions

作　　者：陈香 唐加山[2] 曹端喜 CHEN Xiang;TANG Jia-shan;CAO Duan-xi(Nanjing University of Posts and Telecommunications,School of Communication and Information Engineering,Nanjing 210003;Nanjing University of Posts and Telecommunications,School of Science,Nanjing 210003)

机构地区：[1]南京邮电大学通信与信息工程学院,南京210003 [2]南京邮电大学理学院,南京210003

出　　处：《现代计算机》2020年第32期3-7,共5页Modern Computer

摘　　要：针对多模移动终端在异构无线网络中关于可用网络的选择问题,提出一种基于效用函数的E-TOPSIS网络选择改进算法。仿真结果表明,新算法不仅能显著改善网络排名异常现象,而且能有效减少平均切换次数。An improved algorithm of E-TOPSIS network selection based on utility functions is proposed to solve the problem of multi-mode mobile terminals’selection among available networks in heterogeneous wireless networks.The simulation results show that the new algorithm can not only significantly improve the ranking abnormality of network,but also effectively reduce the average number of handovers.

关 键 词：异构无线网络 网络选择 E-TOPSIS 效用函数 

分 类 号：TN929.5[电子电信—通信与信息系统]