Author:
Neves M. S.,Lorences-Riesgo A.,Monteiro P. P.,Guiomar F. P.
Abstract
Nonlinear phase noise (NLPN) hampers the benefits of digital subcarrier multiplexing (DSCM) systems. Our paper introduces a low-complexity carrier phase recovery (CPR) method for countering NLPN in DSCM systems, achieving 0.5 dB improvement over conventional CPR.