Title :
Modified radius directed equaliser for high order QAM
Author :
Domaniç Lavery;Milen Paskov;Robert Maher;Seb J. Savory;Polina Bayvel
Author_Institution :
Optical Networks Group, Department of Electronic &
Abstract :
The RDE for M-ary QAM equalisation is modified using a low-complexity probabilistic update algorithm. Performance is investigated in simulation and experiment for 8 GBd DP-64QAM and DP-256QAM. DP-64QAM improved by 3.2 dB Q2-factor for a dynamic channel with high OSNR.
Keywords :
"Signal to noise ratio","Optical noise","Quadrature amplitude modulation","Receivers","Heuristic algorithms","Blind equalizers","Probabilistic logic"
Conference_Titel :
Optical Communication (ECOC), 2015 European Conference on
DOI :
10.1109/ECOC.2015.7341620
