Voice/data transmission in packet form: a study of delay performances

F. Brochin, J. Thomas
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引用次数: 1

Abstract

Methods corresponding to two types of service discipline are presented for the computation of the probability distribution function of the queue length in a statistical multiplexer in the presence of a mixed voice/data traffic. The model chosen for the description of the speech patterns on the voice lines was a three-state Markov chain model, yielding hyperexponentially distributed silence periods and exponentially distributed active periods. Although the computations involved in these methods were quite important (due to the use of matrices whose numbers of elements were growing as a function of the fourth power of the number of vice sources), they presented no technical difficulties and could be carried out for the desired sets of parameters. The results obtained for different values of the parameters corresponded to what was expected.<>
分组形式的语音/数据传输:延迟性能的研究
针对存在混合话音/数据流量的统计多路复用器中队列长度的概率分布函数的计算,提出了对应于两类服务学科的方法。用于描述语音线上语音模式的模型是一个三态马尔可夫链模型,该模型产生超指数分布的沉默周期和指数分布的活跃周期。虽然这些方法所涉及的计算相当重要(由于使用的矩阵,其元素数量作为副源数量的四次方的函数而增长),但它们没有技术上的困难,并且可以对所需的参数集进行计算。对不同的参数值所得到的结果与预期相符。
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