Title :
Chromatic dispersion compensation using symmetric extension based guard interval in optical fast-OFDM
Author :
Zhao, J. ; Ibrahim, S.K. ; Gunning, P. ; Ellis, A.D.
Author_Institution :
Photonic Syst. Group, Univ. Coll. Cork, Cork, Ireland
Abstract :
We propose symmetric extension based guard interval (GI) to enable CD compensation with one-tap equalizers after discrete-cosine transform in optical fast-OFDM, and experimentally demonstrate 20Gbit/s 4-ASK transmission over 124km field-installed SMF with varied GI length.
Keywords :
OFDM modulation; discrete cosine transforms; equalisers; optical fibre dispersion; optical modulation; 4-ASK transmission; CD compensation; GI; bit rate 20 Gbit/s; chromatic dispersion compensation; discrete-cosine transform; distance 124 km; field-installed SMF; guard interval; one-tap equalizers; optical fast-OFDM; Discrete cosine transforms; Equalizers; OFDM; Optical attenuators; Optical fibers; Optical imaging;
Conference_Titel :
Optical Communication (ECOC), 2011 37th European Conference and Exhibition on
Conference_Location :
Geneva
Print_ISBN :
978-1-4577-1918-9
