基于频谱系数和比例公平算法的网络调度优化策略  

Network Scheduling Optimization Strategy Based on Spectrum Coefficient and Proportional Fairness Algorithm

作　　者：周忠华 彭智朝[2] ZHOU Zhonghua;PENG Zhichao(Center of Network Information,Guangdong University of Finance and Economics,Guangzhou 510320,China;School of Computer Science and Technology,Tianjin University,Tianjin 300050 ,China)

机构地区：[1]广东财经大学网络信息中心,广州510320 [2]天津大学计算机科学与技术学院,天津300050

出　　处：《吉林大学学报（理学版）》2018年第6期1501-1507,共7页Journal of Jilin University:Science Edition

基　　金：国家自然科学基金(批准号:61640215)

摘　　要：针对传统比例公平的无线网络资源调度优化策略无法有效保证用户的公平性,存在无线网络通信系统资源利用率低等缺陷,设计一种基于频谱系数和比例公平算法的无线网络通信系统资源调度优化策略,以解决当前无线网络通信系统资源优化调度过程中存在的问题.首先建立无线网络通信系统的信道模型,通过自适应遗传算法确定合理的频谱系数;然后根据比例公平算法计算调度优先级,将无线网络通信系统的资源分配给用户,并针对传统比例公平算法的不足进行改进;最后在MATLAB 2016平台上对无线网络通信系统的性能进行分析.结果表明,该策略可更好地保证用户使用资源的公平性,提升了无线网络通信系统的吞吐量,改善了无线网络通信系统的资源利用率.The traditional proportional fairness wireless network resource scheduling strategy could not effectively guarantee the fairness of users,and had the shortcomings of low resource utilization of wireless network communication system,so we designed a resource scheduling optimization strategy basedon spectrum coefficient and proportional fairness algorithm for wireless network communication system to solve the problems existing in the current resource optimization scheduling process of wireless network communication system.Firstly,the channel model of wireless network communication system was established,andthe reasonable spectrum coefficient was determined by adaptive genetic algorithm.Secondly,according to proportional fairness algorithm,the scheduling priority was calculated,and the resources of wireless network communication system were allocated to users,and the shortcomings of traditional proportional fairness algorithm were improved accordingly.Finally,the performance of wireless network communication system was analyzed on the platform of MATLAB 2016.The results show that the proposed strategy can better ensure the fairness of users’use of resources,improve throughput of wireless network communication system,andimprove the resource utilization of wireless network communication system.

关 键 词：信道资源数量 调度优化策略 无线网络通信系统 比例性 用户公平性 

分 类 号：TP391[自动化与计算机技术—计算机应用技术]