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引用次数: 0

摘要

提出了一种静态图像编码器的统计源模型,并利用该模型推导出两种用于宽带网络静态图像传输的排队模型。第一个模型基于对图像数据单元进行排队,并使用M(/sup x/)/D/1排队系统进行分析。第二个模型基于对图像请求进行排队,并作为M/G/1排队系统进行分析。这两种模型的排队延迟都非常短。然而,M(/sup x/)/D/1模型(图像数据排队)的结果表明,需要非常大的缓冲区大小。M/G/1模型适用于分析网络入口节点的行为。
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Models for still image transmission over broadband networks
A statistical source model for a still image coder is presented and used to derive two queuing models for still image transmission over broadband networks. The first model is based on queuing the image data cells and is analyzed using an M(/sup x/)/D/1 queuing system. The second model is based on queueing the requests for images and is analyzed as an M/G/1 queuing system. The queuing delay is very short for both models. However, the results from the M(/sup x/)/D/1 model (queuing the image data) indicate that very large buffer sizes are required. The M/G/1 model is suitable for analyzing the behavior of an entry node to a network.<>
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