Performance analysis of a moving boundary/fixed frame integrated voice/data multiplexing technique with correlated sources

IEEE INFOCOM '88,Seventh Annual Joint Conference of the IEEE Computer and Communcations Societies. Networks: Evolution or Revolution? Pub Date : 1988-03-27 DOI:10.1109/INFCOM.1988.12977

D. McDysan, R. Pickholtz

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引用次数: 4

Abstract

The data queuing performance is analyzed for a fixed-frame-size, integrated voice-data multiplexer (IVDM), where voice has preemptive priority over data, a maximum capacity is available for voice (above which voice freeze-outs occur), and data is queued when there is insufficient capacity. A discrete-state-continuous-time Markov model is used to model a discrete-state-discrete-time IVDM when the average source burst duration is significantly larger than the multiplexer frame time. The correlation of the voice and data source activity is shown to have a significant effect on IVDM data queuing performance. An approximate, simple analytical model for the mean data queue length is derived. The approximate analytical model for mean data queue length is shown to provide a lower bound for exact calculations and simulation results. The concept of maximizing queuing power (throughput/delay) is applied to the data performance.<>

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具有相关源的移动边界/固定帧集成语音/数据复用技术的性能分析

分析了固定帧大小的集成语音数据多路复用器(IVDM)的数据排队性能，其中语音对数据具有抢占式优先级，语音可用的最大容量(超过该容量会发生语音冻结)，并且当容量不足时数据排队。采用离散状态-连续时间马尔可夫模型对平均源突发持续时间明显大于多路复用器帧时间的离散状态-离散时间IVDM进行建模。语音和数据源活动的相关性对IVDM数据队列性能有显著影响。导出了一个近似的、简单的平均数据队列长度解析模型。给出了平均数据队列长度的近似解析模型，为精确计算和仿真结果提供了一个下界。将最大化排队能力(吞吐量/延迟)的概念应用于数据性能。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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IEEE INFOCOM '88,Seventh Annual Joint Conference of the IEEE Computer and Communcations Societies. Networks: Evolution or Revolution?

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