Reduced-Complexity Blind Chromatic Dispersion Estimation for Digital Coherent Systems
Valeria Arlunno, David S. Millar, Toshiaki Koike–Akino, Milutin Pajovic, Keisuke Kojima, Kieran Parsons · Optical Fiber Communication Conference · 2016
We propose an enhancement to the fast blind CD estimation method based on auto-correlation of signal power. The use of Hartley and Cosine transform allow 30% and 70% complexity reductions, within a maximum loss of 2% in accuracy.