Title :
Multiplier-Free Real-Time Phase Tracking for Coherent QPSK Receivers
Author :
Hoffmann, Sebastian ; Peveling, Ralf ; Pfau, Timo ; Adamczyk, Olaf ; Eickhoff, Ralf ; Noé, Reinold
Author_Institution :
Inst. of Electr. Eng., Univ. of Paderborn, Paderborn
Abstract :
This letter presents a hardware-efficient phase estimation algorithm that can replace the common complex estimators for a coherent quadrature phase-shift keying transmission system.
Keywords :
optical fibre communication; optical receivers; phase estimation; quadrature phase shift keying; coherent QPSK receiver; hardware-efficient phase estimation algorithm; multiplier-free real-time phase tracking; optical communication; quadrature phase-shift keying transmission system; synchronous detection; Optical communication; phase estimation; quadrature phase-shift keying (QPSK); synchronous detection;
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2008.2009228
