期刊文献+

无线自组织网络动态拓扑特性的排队理论建模与分析 被引量:3

Characterizing the topology dynamics in mobile ad hoc networks:modeling and analyzing techniques using the queuing theory
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摘要 在定义网络动态特性链路断链率(link broken rate)的基础上,以链路断链的间隔时间期望度量链路断链率,并通过建立循环排队模型对链路动态特性进行了分析,得到了链路动态模型及其表达式。利用商用Qualnet平台进行仿真实验,验证了模型的正确性。进一步仿真实验结果表明,网络动态特性与网络链路断链率密切相关,通过链路变化率模型,能够有效地将运动速度,节点密度和传输距离结合起来,能够从本质上描述网络动态特性,为动态网络性能的分析与仿真提供理论依据。 A new modeling parameter named link broken rate(LBR) was proposed so as to characterize the topology dy-namics.On the basis of the definition of the network dynamic characteristics parameter LBR,the expectations of the time interval between the links broken was use to measure the LBR,and a cyclic queuing model was created to analyze the characteristic of dynamic link and an analytic expression was derived.Employing the commercial simulation platform Qualnet,simulations were carried out and the model was reasonable evaluated.And the further simulation results show that,the network dynamic performance are highly related to the LBR,and the dynamic link model can integrate the mo-bility velocity,node density,and transmission range efficiently,which essentially characterize the network,and could provide theoretical results for analysis and simulation works on network dynamics.
出处 《通信学报》 EI CSCD 北大核心 2011年第4期9-16,共8页 Journal on Communications
基金 国家重点基础研究发展计划("973"计划)基金资助项目(2009CB3020402) 武器装备预研基金资助项目(914C020404090C0206) 国家高技术研究发展计划("863"计划)基金资助项目(2008AA01Z216) 国家自然科学基金资助项目(61003277)~~
关键词 动态特性 链路断链率 循环排队模型 网络性能 dynamic characteristic link break rate cyclic queuing model network performance
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参考文献13

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同被引文献47

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