期刊文献+

面向移动通信星座网络的自主管理分簇算法 被引量:6

A clustering algorithm for self-management in mobile satellite constellation network
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摘要 具有高度动态性的低轨(LEO)卫星星座系统是移动通信的重要组成部分.由于卫星网络具有动态性高、星间传输时延大、资源有限和网络拓扑周期时变等特点,使得LEO星座系统的自主管理非常困难.针对上述问题,提出了具有针对性的CDCA算法,通过构建簇的方法来实现对星座系统的管理.CDCA的设计中充分考虑了LEO星座的实际特性和资源情况,利用不同轨道卫星的属性对簇内成员进行等级划分,提高了簇结构的稳定度,降低了簇的维护开销.通过分析及仿真实验表明,CDCA算法较现有方法在性能表现和维护通信开销等方面均有较大的提高. 具有高度动态性的低轨(LEO)卫星星座系统是移动通信的重要组成部分.由于卫星网络具有动态性高、星间传输时延大、资源有限和网络拓扑周期时变等特点,使得LEO星座系统的自主管理非常困难.针对上述问题,提出了具有针对性的CDCA算法,通过构建簇的方法来实现对星座系统的管理.CDCA的设计中充分考虑了LEO星座的实际特性和资源情况,利用不同轨道卫星的属性对簇内成员进行等级划分,提高了簇结构的稳定度,降低了簇的维护开销.通过分析及仿真实验表明,CDCA算法较现有方法在性能表现和维护通信开销等方面均有较大的提高.
出处 《系统工程理论与实践》 EI CSSCI CSCD 北大核心 2011年第S2期203-208,共6页 Systems Engineering-Theory & Practice
关键词 分布式 星座网络 分簇 约束 distributed satellite constellation network clustering constraint
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参考文献10

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二级参考文献6

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