Title :
Decision-feedback carrier-phase estimation for digital coherent optical receivers
Author :
Mori, Yojiro ; Igarashi, Koji ; Katoh, Kazuhiro ; Kikuchi, Kazuro
Author_Institution :
Dept. of Electron. Eng., Tokyo Univ., Kashiwa
Abstract :
We propose a novel method of carrier-phase estimation for digital coherent optical receivers, which is based on the decision-feedback loop and the adaptive-equalization algorithm. 10-Gsymbol/s QPSK and 16-QAM signals are demodulated by the proposed method.
Keywords :
adaptive equalisers; automatic repeat request; optical receivers; quadrature amplitude modulation; quadrature phase shift keying; QAM; QPSK; adaptive equalization; carrier phase estimation; decision feedback; digital coherent; optical receivers; Amplitude estimation; Decoding; Least squares approximation; Optical attenuators; Optical receivers; Optical transmitters; Phase estimation; Phase shift keying; Quadrature phase shift keying; Signal processing algorithms;
Conference_Titel :
Opto-Electronics and Communications Conference, 2008 and the 2008 Australian Conference on Optical Fibre Technology. OECC/ACOFT 2008. Joint conference of the
Conference_Location :
Sydney
Print_ISBN :
978-0-85825-807-5
Electronic_ISBN :
978-0-85825-807-5
DOI :
10.1109/OECCACOFT.2008.4610576
