基于纳什议价解的地外驻留平台网络可靠性与效用代价分析

发布时间：2018-02-15 08:15

本文关键词： 地外驻留平台纳什议价帕累托最优可靠性效用代价　出处：《通信学报》2017年02期 　论文类型：期刊论文

【摘要】：针对地外驻留平台网络中设备昂贵、对链路可靠性要求极高等特点,将影响网络性能的可靠性和效用代价这2个基本要素视作多目标优化问题进行分析,建立了网络可靠性与效用代价模型,形式化描述了2个优化目标之间的联系。在此基础上,运用合作博弈中的纳什议价模型对可靠性与效用代价进行公平性折中,并通过Matlab结合CVX计算得到可靠性与效用代价同时最优的纳什议价解集。进一步动态调整威胁值并重复博弈,即可得到同时保证可靠性与效用代价的公平性的帕累托最优目标值。最后,通过对一个典型地外驻留平台网络拓扑链路进行纳什议价求解,阐述了在网络业务量与链路容量值已知时,如何对链路数和链路容量进行设置以降低效用代价。这对于地外驻留平台网络的优化部署有重要意义。
[Abstract]:In view of the characteristics of expensive equipment and extremely high link reliability, the reliability and utility cost of the network are considered as multi-objective optimization problems. The network reliability and utility cost model is established, and the relationship between two optimization objectives is formalized. On this basis, the Nash bargaining model in cooperative game is used to make a fair compromise between reliability and utility cost. The Nash bargaining solution set with optimal reliability and utility cost is obtained by combining Matlab with CVX. Furthermore, the threat value is adjusted dynamically and the game is repeated. The Pareto optimal target value which guarantees the fairness of reliability and utility cost can be obtained. Finally, the Nash bargaining method is used to solve a typical external resident platform network topology link. This paper describes how to set the number of links and link capacity to reduce the utility cost when the network traffic and link capacity are known.
【作者单位】：北京卫星信息工程研究所天地一体化信息技术国家重点实验室;中国石油大学(华东)计算机与通信工程学院;
【基金】：国家自然科学重点基金资助项目(No.91438117,No.91538202)~~
【分类号】：TP393.06

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