《计算机应用研究》|Application Research of Computers

基于二分图的两级动态异构网络选择方案

Two-level dynamic heterogeneous network selection scheme based on bipartite graph

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作者 王文兵,于永生
机构 兰州交通大学 电子与信息工程学院,兰州 730070
统计 摘要被查看 次,已被下载
文章编号 1001-3695(2019)08-009-2518-04
DOI 10.19734/j.issn.1001-3695.2018.01.0104
摘要 针对异构无线网络频谱资源日益紧缺的问题,提出了由用户端和网络端共同参与的两级动态网络选择方案。该方案包括灰度关联分析法和二分图联合优化匹配算法,通过用户端和网络端的共同决策,在有效满足移动用户业务服务质量需求的前提下优化了系统吞吐量、均衡了网络负载。仿真实验表明,相对于传统算法,该方案极大地提高了异构网络频谱资源利用率,并降低了用户在无线网络间的切换概率,实现了用户需求和网络资源的合理配置。
关键词 异构网络; 灰度关联分析; 优化匹配; 吞吐量; 网络负载; 网络资源
基金项目 国家自然科学基金资助项目(61661026)
本文URL http://www.arocmag.com/article/01-2019-08-059.html
英文标题 Two-level dynamic heterogeneous network selection scheme based on bipartite graph
作者英文名 Wang Wenbing, Yu Yongsheng
机构英文名 School of Electronic & Information Engineering,Lanzhou Jiaotong University,Lanzhou 730070,China
英文摘要 In view of the increasing shortage of spectrum resources in heterogeneous wireless networks, this paper proposed a two-level dynamic network selection scheme that involved the user and the network. The scheme included gray correlation analysis method and bipartite graph joint optimization matching algorithm. Through the joint decision of the user and the network, the algorithm optimized the system throughput and equalized the network load on the premise of effectively satisfying the quality of service requirements of mobile users. Simulation results show that compared with the traditional algorithm, the scheme greatly improves the utilization ratio of spectrum resources in heterogeneous network, reduces the handover probability of users switching between wireless networks, and realizes the rational allocation of users' needs and network resources.
英文关键词 heterogeneous network; correlation analysis of gray degree; optimize match; throughput; network load; network resources
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收稿日期 2018/1/12
修回日期 2018/3/23
页码 2518-2521
中图分类号 TP393.02
文献标志码 A