分布式多媒体系统媒体同步的排队模型分析

杨乔礼;朱翼隽

系统科学与数学 ›› 2010, Vol. 30 ›› Issue (Supplement) : 593-603.

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PDF(561 KB)
系统科学与数学 ›› 2010, Vol. 30 ›› Issue (Supplement) : 593-603. DOI: 10.12341/jssms08975
论文

分布式多媒体系统媒体同步的排队模型分析

    杨乔礼(1), 朱翼隽(2)
作者信息 +

Analysis of Media Synchronization in Distributed Multimedia System Based on Queueing Model

    YANG Qiaoli (1), ZHU Yijun(2)
Author information +
文章历史 +

摘要

针对分布式多媒体系统中不同媒体流的同步问题,建立了具有休假特征离散时间随机匹配的双输入排队模型Geom1+Geom2/Geom/1.利用矩阵几何解方法对该模型进行了详细的分析,给出了该排队系统的主要稳态性能指标:系统处在忙期的概率,两类媒体流分组的平均队长,
系统处在分组不匹配状态的概率等结果.最后,通过数值例子说明了休假参数和匹配模式变化对系统性能指标的影响.

Abstract

A discrete time matched queue model with a double input and multiple vocation Geom1+Geom2/Geom/1 was proposed to investigate the performance of the synchronization of media in distributed multimedia system.
The queue model was analyzed by using method of matrix-geometric solution, and the main performance measures were obtained such as the state probability of a server in busy, average queue length of the two media streams and the unmatched state probability. Finally, the effects of various vacation parameters and match mode on the performance measures were obtained by numerical investigation.

关键词

多媒体同步 / 离散时间排队 / 匹配排队 / 多重休假 / 矩阵几何解.

Key words

Multimedia synchronization / discrete-time queue / matched queue / multiple vocation / matrix-geometric solution.

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导出引用
杨乔礼 , 朱翼隽. 分布式多媒体系统媒体同步的排队模型分析. 系统科学与数学, 2010, 30(Supplement): 593-603. https://doi.org/10.12341/jssms08975
YANG Qiaoli , ZHU Yijun. Analysis of Media Synchronization in Distributed Multimedia System Based on Queueing Model. Journal of Systems Science and Mathematical Sciences, 2010, 30(Supplement): 593-603 https://doi.org/10.12341/jssms08975
中图分类号: 68M20    60K25   
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