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随着全光接入网的不断发展,接入速率不断提高,对于边缘节点发送来的高速数据业务也必须进行流量梳理。为了适应未来全光高速网络接入的需求,基于光纤延迟线(Fiber delay lines,FDLs)结构,构造了一种简单高效的全光包交换网络边缘汇聚节点。并针对光线延迟线结构,提出一种新的主动缓存队列管理模型来分析节点性能,得到了与以往研究不同的结果。同时在对节点性能分析的基础上,提出一种新的FDLs的排列方式,在缓存深度相同的情况下,大大提高了FDLs的效率,实现了对到来的具有自相似性的数据业务的合理调配。 相似文献
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Mueller matrix analysis for all optical fiber co-existence of birefringence-polarization dependent gain-mode coupling at a single wavelength 下载免费PDF全文
Birefringence (polarization-related phase-shift), polarization dependent gain (PDG) and mode coupling are three factors that may synchronously influence the transmission of single-wavelength polarized light in optical fibers. This paper obtains a new Mueller matrix analysis, which can be used under conditions that all these three factors are existing and changing. According to our transmission model, the state of polarization (SOP) changes along an optical microstructure fiber with co-existence of birefringence-PDG-mode coupling were simulated. The simulated results, which show the phenomena of SOP constringency, are in good agreement with previous theoretical analyses. 相似文献
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