Title :
Effects of carrier phase estimation on front-end IQ mismatch compensation in DP-QPSK coherent receiver
Author :
Hwan Seok Chung ; Sun Hyok Chang ; Kwangjoon Kim ; Jong Hyun Lee
Author_Institution :
Opt. Internet Res. Dept., ETRI, Daejeon, South Korea
fDate :
June 30 2013-July 4 2013
Abstract :
We investigate and compare effects of carrier phase estimation on IQ mismatch compensation. Decision-directed carrier phase estimator could compensate significant amount of IQ mismatch without employing additional compensation technique, and relaxes requirement of ADC resolution.
Keywords :
optical receivers; phase estimation; quadrature phase shift keying; ADC resolution; DP-QPSK coherent receiver; carrier phase estimation; decision-directed carrier phase estimator; front-end IQ mismatch compensation; Digital signal processing; Optical noise; Optical receivers; Optical sensors; Phase estimation; Sensitivity; Signal to noise ratio;
Conference_Titel :
OptoElectronics and Communications Conference held jointly with 2013 International Conference on Photonics in Switching (OECC/PS), 2013 18th
Conference_Location :
Kyoto
