Title :
Linewidth-tolerant feed-forward dual-stage CPE algorithm based on 64-QAM constellation partitioning
Author :
Bilal, Syed Muhammad ; Bosco, Gabriella ; Lau, Alan Pak Tao ; Lu, Chao
Author_Institution :
DET, Politec. di Torino, Turin, Italy
Abstract :
A detailed analysis of a novel low-complexity two-stage digital feed-forward carrier recovery algorithm for 64-QAM, based on the rotation of constellation points to remove phase modulation is presented. Its performance and complexity is compared with previously proposed algorithms.
Keywords :
feedforward; phase modulation; quadrature amplitude modulation; 64-QAM constellation partitioning; linewidth-tolerant feed-forward dual-stage CPE algorithm; novel low-complexity two-stage digital feed-forward carrier recovery algorithm; phase modulation; Algorithm design and analysis; Complexity theory; Laser noise; Partitioning algorithms; Phase estimation; Phase modulation; Phase noise;
Conference_Titel :
Optical Communication (ECOC), 2014 European Conference on
Conference_Location :
Cannes
DOI :
10.1109/ECOC.2014.6964187
