We explore correlated nonlinear phase noise (NLPN) in multi-subcarrier systems. We derive an analytical model for predicting the covariance between the NLPN affecting different subcarriers, and offer a simple algorithm which uses the correlations for improved NLPN mitigation.
@article{arxiv.1812.07502,
title = {Correlated Non-Linear Phase Noise in Multi-Subcarrier Systems},
author = {Ori Golani and Dario Pilori and Gabriella Bosco and Mark Shtaif},
journal= {arXiv preprint arXiv:1812.07502},
year = {2018}
}