Title :
Post-FEC performance evaluation of coherent QPSK system with an enhanced pilot-aided CPE scheme
Author :
Huizhong Chen ; Haiquan Cheng ; Yan Li ; Jian Wu ; Jintong Lin
Author_Institution :
State Key Lab. of Inf. Photonics & Opt. Commun., BUPT, Beijing, China
Abstract :
An simple and robust pilot-aided CPE scheme with a modified phase unwrapping is proposed. A 2.2 gain and post-FEC error-free performance are achieved with only 0.78 % pilot overhead in the presence of phase noise.
Keywords :
forward error correction; phase estimation; phase noise; quadrature phase shift keying; carrier phase estimation; forward error correction; modified phase unwrapping; phase noise; pilot overhead; post FEC error free performance; quadrature phase shift keying system; robust pilot-aided CPE scheme; Adaptive optics; Decoding; Forward error correction; Optical fiber communication; Optical fibers; Optical receivers; Phase noise; Differential penalty; Phase unwrapping; Pilot-aided CPE; Soft-decision FEC;
Conference_Titel :
Optical Communications and Networks (ICOCN), 2015 14th International Conference on
Conference_Location :
Nanjing
DOI :
10.1109/ICOCN.2015.7203733
