Title :
Multiplier-free carrier-phase recovery for real-time receivers using processing in polar coordinates
Author :
Baeuerle, B. ; Josten, A. ; Abrecht, F. ; Dornbierer, E. ; Boesser, J. ; Dreschmann, M. ; Becker, J. ; Leuthold, J. ; Hillerkuss, D.
Author_Institution :
Inst. of Electromagn. Fields, ETH Zurich, Zurich, Switzerland
Abstract :
A low-complexity, multi-format carrier-phase estimation algorithm for QPSK and 16QAM is demonstrated. Our multiplier-free hardware implementation is enabled by operating in polar coordinates and allows for detection of QPSK signals beyond 38 GBd.
Keywords :
quadrature amplitude modulation; quadrature phase shift keying; real-time systems; QPSK signals; multiformat carrier phase estimation algorithm; multiplier free carrier phase recovery; multiplier free hardware implementation; polar coordinates; real-time receivers; Electromagnetic fields;
Conference_Titel :
Optical Fiber Communications Conference and Exhibition (OFC), 2015
Conference_Location :
Los Angeles, CA