Combined Precoding and Volterra Equalization for the Mitigation of Fiber-Optic Nonlinear Channel Impairments
Conference: Photonische Netze - Vorträge der 15. ITG-Fachtagung
05/05/2014 - 05/06/2014 at Leipzig, Deutschland
Proceedings: Photonische Netze
Pages: 5Language: englishTyp: PDF
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Authors:
Rath, Roi; Hoyningen-Huene, Johannes von; Rosenkranz, Werner (Lehrstuhl für Nachrichten- und Uebertragungstechnik, Christian-Albrechts-Universitaet zu Kiel, Kaiserstr. 2, 24143 Kiel, Germany)
Abstract:
We investigate the performance of a combined Tomlinson-Harashima precoding (THP) and a Volterra nonlinear equalization (VNLE) in a nonlinear fiber-optic communication system aiming at a data rate of 100 Gbits/sec. THP-VNLE is compared with a feed-forward VNLE and a combined VNLE decision-feedback equalizer (DFE) by means of performance and computational complexity. Two different transmission scenarios, both using a 25 GBaud 16QAM signal, are introduced, and the performance of the different equalizers is assessed qualitively, and via Monte-Carlo simulations for the measurement of the BER.