Switch Delay Analysis of a Multi-Channel Delivery Method for IPTV

Kan Lin, Weiqiang Sun
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引用次数: 9

Abstract

IPTV technology is still faced with such concerns in its quality of service as channel switch delay. One way among many that are devised to reduce this delay is multi-channel synchronous delivery. However, the bandwidth efficiency of this method is low. We propose a finite duration method in this paper and build up mathematical models to describe user behaviors like channel surfing to evaluate the performance of channel switch delay. We find through analysis and simulation that our method is well balanced in performance and cost. In a typical situation, the delay can be reduced to less than 30%.
IPTV多通道传输方法的切换时延分析
IPTV技术仍然面临着信道切换时延等服务质量问题。为了减少这种延迟而设计的许多方法之一是多通道同步传输。但是,这种方法的带宽效率较低。本文提出了一种有限持续时间方法,并建立了描述信道浏览等用户行为的数学模型,以评估信道切换延迟的性能。通过分析和仿真,我们发现我们的方法在性能和成本上取得了很好的平衡。在典型情况下,延迟可以减少到30%以下。
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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