Title :
Multi-stage CPE algorithms for 64-QAM constellations
Author :
Bilal, Syed Muhammad ; Fludger, C.R.S. ; Bosco, Gabriella
Author_Institution :
DET, Politec. di Torino, Turin, Italy
Abstract :
We propose and analyze a multi-stage architecture for carrier phase-estimation in 64-QAM systems, based on the cascade of several feed-forward elementary blocks. We outline the beneficial effect of increasing the number of elementary blocks.
Keywords :
optical fibre communication; optical modulation; phase estimation; quadrature amplitude modulation; 64-QAM constellation system; carrier phase-estimation; feedforward elementary blocks; multistage CPE algorithms; Bit error rate; Laser noise; Maximum likelihood estimation; Optical transmitters; Phase estimation; Phase noise; Signal processing algorithms;
Conference_Titel :
Optical Fiber Communications Conference and Exhibition (OFC), 2014
Conference_Location :
San Francisco, CA
Print_ISBN :
978-1-5575-2994-7
DOI :
10.1364/OFC.2014.M2A.8