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全源NT技术的接入网链路丢包率推断

DOI: doi:10.3969/j.issn.1006-7043.2011.04.010

Keywords: NT, 链路丢包率, 链路性能推断, EM算法, MCMC算法

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Abstract:

针对接入网链路丢包率具有非对称性,单源和多源的NT技术只能推断单向链路性能的问题,提出全源NT的测量模式,研究了基于全源NT的链路丢包率估计技术.提出了将全源网络结构转化为可辨识网络结构的方法,并给出采用EM算法和MCMC算法的链路丢包率估计方法.仿真实验表明该推断方法是有效的.

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