Title :
Extending digital backpropagation to account for noise
Author :
Irukulapati, Naga V. ; Wymeersch, Henk ; Johannisson, Pontus ; Agrell, Erik
Author_Institution :
Dept. of Signals & Syst., Chalmers Univ. of Technol., Gothenburg, Sweden
Abstract :
We propose a maximum a posteriori-based scheme that extends digital backpropagation (DBP) by accounting for the nonlinear signal-noise interaction. With periodic dispersion compensation we find up to 20% reach improvement over DBP. For uncompensated links DBP is close to optimal.
Keywords :
backpropagation; compensation; maximum likelihood estimation; signal processing; digital backpropagation; maximum a posteriori-based scheme; nonlinear signal-noise interaction; periodic dispersion compensation; uncompensated links DBP;
Conference_Titel :
Optical Communication (ECOC 2013), 39th European Conference and Exhibition on
Conference_Location :
London
Electronic_ISBN :
978-1-84919-759-5
DOI :
10.1049/cp.2013.1448
