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基于轮询的高级在轨系统多路复用包时延分析

DOI: 10.13700/j.bh.1001-5965.2013.0661, PP. 1399-1404

Keywords: 轮询,高级在轨系统,多路复用,包时延,休假排队系统

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Abstract:

目前的高级在轨系统(AOS,AdvancedOrbitingSystems)多路复用研究主要以仿真为主,很少有文献给出专门的理论分析.针对基于轮询的AOS多路复用包时延进行研究,通过采用排队论中非空竭限量服务的休假排队系统建立模型,并采用循环再生法进行分析,得到了多路复用包时延计算公式,并给出包时延的下限值.仿真结果表明,在包到达率取值分别为1,2,3包/s,在各种不同的下行速率(范围240~330bit/s)之下,包时延的仿真值曲线均高于理论下限值曲线,从而论证了理论推导的正确性.研究结果可以为工程设计提供一定的参考作用.

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