Title :
M-QAM carrier phase recovery using the viterbi-viterbi monomial-based and maximum Likelihood Estimators
Author :
Dris, Stefanos ; Bakopoulos, Paraskevas ; Lazarou, I. ; Spatharakis, Christos ; Avramopoulos, H.
Author_Institution :
Sch. of Electr. & Comput. Eng., Nat. Tech. Univ. of Athens, Athens, Greece
Abstract :
We present a novel two-stage feedforward M-QAM carrier phase recovery scheme that does not rely on a computationally expensive Blind Phase Search stage. Performance is evaluated for square constellations up to 256-QAM.
Keywords :
feedforward; maximum likelihood estimation; optical fibre communication; quadrature amplitude modulation; 256-QAM; Viterbi-Viterbi monomial-based estimator; maximum likelihood estimator; square constellations; two-stage feedforward M-QAM carrier phase recovery; Bit error rate; Feedforward neural networks; Maximum likelihood estimation; Phase shift keying; Quadrature amplitude modulation; Signal to noise ratio; Viterbi algorithm;
Conference_Titel :
Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference (OFC/NFOEC), 2013
Conference_Location :
Anaheim, CA
Print_ISBN :
978-1-4799-0457-0
