Estimation of Minimum Required Number of Coefficients of Digital Filter for Chromatic Dispersion Compensation in Optical Fiber

被引：0
|
作者：
Meltenisov, Mikhail [1 ]
Matukhin, Aleksandr [1 ]
机构：
[1] Bonch Bruevich St Petersburg State Univ Telecommu, Dept Commun Networks & Data Transmiss, St Petersburg, Russia
来源：
2018 10TH INTERNATIONAL CONGRESS ON ULTRA MODERN TELECOMMUNICATIONS AND CONTROL SYSTEMS AND WORKSHOPS (ICUMT 2018): EMERGING TECHNOLOGIES FOR CONNECTED SOCIETY | 2018年
关键词：
chromatic dispersion; estimation; filter coefficients; Fresnel integrals; Fourier series; inverse frequency response; optical filters; physical limit;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The 5G technology requires the application of optical fiber in the access network. The chromatic dispersion in fiber causes distortion of transmitted signal. The dispersion can be compensated by digital optical filters. The physical size of the filters depends on the number of coefficients. It is proved that the minimum number of coefficients is limited by the physical characteristics of optical fiber and has a quadratic dependence on frequency band. An analytical equation for estimating the number of coefficients is proposed. And the method for decreasing the total number of coefficients is considered.
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页数：4
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