Reducing the complexity of digital nonlinear compensation for high-speed coherent optical communication systems

被引：0
|
作者：
Guiomar, Fernando P. [1 ]
Amado, Sofia B. [1 ]
Pinto, Armando N. [1 ]
机构：
[1] Univ Aveiro, Dept Elect Telecommun & Informat, P-3810193 Aveiro, Portugal
来源：
SECOND INTERNATIONAL CONFERENCE ON APPLICATIONS OF OPTICS AND PHOTONICS | 2014年 / 9286卷
关键词：
Optical communications; coherent detection; digital signal processing; nonlinear equalization; TRANSMISSION; EQUALIZER; MITIGATION;
D O I：
10.1117/12.2063839
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 perform a thorough performance and complexity analysis of a recently proposed Volterra series nonlinear equalizer (VSNE) for digital post-compensation of nonlinear fiber impairments in high-speed and long-haul coherent optical communication systems. Using a maximum absolute value selection criteria, we implement a pruning strategy for the matrix-based VSNE and compare its performance/complexity with the symmetric VSNE (symVSNE) and simplified VSNE (simVSNE) algorithms. The theoretical analysis is supported by simulation results obtained for a single-channel 224 Gb/s PM-16QAM transmission system with a signal propagation distance of 1920 km.
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页数：9
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