Title :
Constrained LMS phase noise estimation algorithm for coherent optical M-QAM intradyne receivers
Author_Institution :
Corning Inc., Corning, NY, USA
Abstract :
We analyze and optimize the performance of a single-tap constrained decision-directed least-mean square algorithm for computationally-efficient phase noise estimation in coherent optical intradyne receivers intended for the detection of arbitrary M-QAM constellations.
Keywords :
least mean squares methods; optical receivers; quadrature amplitude modulation; arbitrary M-QAM constellations; coherent optical M-QAM intradyne receivers; computationally-efficient phase noise estimation; constrained LMS phase noise estimation; constrained least-mean square algorithm; decision-directed least-mean square algorithm; single-tap least-mean square algorithm; Estimation; Optical fibers; Optical receivers; Phase noise; Signal processing algorithms; Signal to noise ratio;
Conference_Titel :
Optical Fiber Communication Conference and Exposition (OFC/NFOEC), 2012 and the National Fiber Optic Engineers Conference
Conference_Location :
Los Angeles, CA
Print_ISBN :
978-1-4673-0262-3
