Title :
Analysis of carrier phase extraction methods in 112-Gbit/s NRZ-PDM-QPSK coherent transmission system
Author :
Tianhua Xu ; Jacobsen, G. ; Popov, Serge ; Jie Li ; Sergeyev, S. ; Yimo Zhang
Author_Institution :
R. Inst. of Technol., Stockholm, Sweden
Abstract :
We present a comparative analysis on three carrier phase extraction approaches, including a one-tap normalized least mean square method, a block-average method, and a Viterbi-Viterbi method, in coherent transmission system considering equalization enhanced phase noise.
Keywords :
equalisers; least mean squares methods; optical fibre networks; phase noise; quadrature phase shift keying; NRZ-PDM-QPSK coherent transmission system; Viterbi-Viterbi method; bit rate 112 Gbit/s; block-average method; carrier phase extraction method; equalization-enhanced phase noise; nonreturn-to-zero polarization division-multiplexed quadrature phase shift keying; one-tap normalized least mean square method;
Conference_Titel :
Communications and Photonics Conference (ACP), 2012 Asia
Conference_Location :
Guangzhou
Print_ISBN :
978-1-4673-6274-0
