Maximum-Likelihood Phase Estimation for Coherent Optical OFDM
Conference: ECOC 2007 - 33rd European Conference and Exhibition of Optical Communication
09/16/2007 - 09/20/2007 at Berlin, Germany
Proceedings: ECOC 2007
Pages: 2Language: englishTyp: PDFPersonal VDE Members are entitled to a 10% discount on this title
Shieh, William (ARC Special Research Centre for Ultra-Broadband Information Networks and National ICT Australia, Department of Electrical and Electronic Engineering, The University of Melbourne, VIC 3010, Australia)
We present a robust and computation-efficient method of maximum-likelihood phase estimation. Both computer simulation and transmission experiment of coherent optical OFDM system show that maximumlikelihood decision- feedback following pilot-assisted phase estimation gives the optimal performance.