Title :
Chromatic dispersion estimation based on complementary Golay sequences for 80 Gb/s QPSK single-carrier system with frequency domain equalization
Author :
Do, C. ; Tran, A.V. ; Hewitt, Don F.
Author_Institution :
NICTA Victoria Lab., Univ. of Melbourne, Melbourne, VIC, Australia
Abstract :
In this paper, we present a chromatic dispersion (CD) estimation technique based on complementary Golay sequences for systems employing single-carrier with frequency domain equalization (SC-FDE) format. By exploiting the unique correlation property of Golay sequences and using the sequences as channel estimation symbol (CES), chromatic dispersion can be estimated by measuring partial phase response and compensated using frequency domain equalization (FDE) with relatively low complexity in both the training sequences and estimation algorithm. The technique is verified by computer simulation to be able to estimate and compensate for up to 1500 km fiber with standard dispersion at high accuracy in 80 Gb/s coherent NRZ-QPSK system.
Keywords :
channel estimation; frequency-domain analysis; quadrature phase shift keying; CD estimation technique; CES; NRZ- QPSK system; QPSK single-carrier system; SC-FDE format; bit rate 80 Gbit/s; channel estimation symbol; chromatic dispersion estimation technique; complementary Golay sequences; computer simulation; frequency domain equalization; partial phase response measurement; Channel estimation; Chromatic dispersion; Correlation; Estimation; Frequency domain analysis; Signal to noise ratio; chromatic dispersion; frequency domain equalization; training sequences;
Conference_Titel :
Australasian Telecommunication Networks and Applications Conference (ATNAC), 2011
Conference_Location :
Melbourne, VIC
Print_ISBN :
978-1-4577-1711-6
Electronic_ISBN :
Pending
DOI :
10.1109/ATNAC.2011.6096666
