Applying the skew-normal distribution to model coherent MPI and to evaluate its impact on PAM signals

被引：3

作者：

Cancela, Luis G. C. ^{[1
,3
]}

Pires, Joao J. O. ^{[2
,3
]}

机构：

[1] ISCTE Inst Univ Lisboa ISCTE IUL, Dep Informat Sci & Technol, P-1649026 Lisbon, Portugal

[2] Inst Super Tecn, Dep Elect & Comp Engn, P-1049001 Lisbon, Portugal

[3] Inst Telecomunicacoes, Lisbon, Portugal

来源：

OPTICAL FIBER TECHNOLOGY | 2020年 / 56卷

关键词：

Coherent multipath interference; Extended skew-normal distribution; PAM systems; Optical communications; Q-penalty; Skewness; CROSSTALK; PERFORMANCE; NOISE;

D O I：

10.1016/j.yofte.2020.102180

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We statistically model the coherent multipath interference (MPI) using an extended skew-normal distribution, with the results showing a good agreement with published experimental data. This distribution is very flexible and permits to model data with large skewness values, which is a typical feature in coherent MPI histograms. Furthermore, the developed model was applied to estimate the impact of coherent MPI on PAM-4 systems, with the results showing a 1-dB Q-penalty for an MPI level of -24 dB and a bit error ratio of 10(-3).

引用

页数：5

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