Title :
Improved frequency offset correction in coherent optical OFDM systems
Author :
Buchali, Fred ; Dischler, Roman ; Mayrock, Markus ; Xiao, Xiao ; Tang, Yan
Author_Institution :
Bell Labs Germany, Alcatel-Lucent, Stuttgart
Abstract :
We extended a pilot symbol frequency offset estimation scheme and applied it in combination with a pilot subcarrier compensator. Optimum system sensitivity was found up to few 100 MHz frequency offset.
Keywords :
OFDM modulation; frequency estimation; optical communication; optical modulation; optical OFDM system; pilot subcarrier compensator; pilot symbol frequency offset estimation; Estimation error; Frequency conversion; Frequency estimation; Local oscillators; OFDM; Optical filters; Optical frequency conversion; Optical sensors; Optical signal processing; Ultraviolet sources;
Conference_Titel :
Optical Communication, 2008. ECOC 2008. 34th European Conference on
Conference_Location :
Brussels
Print_ISBN :
978-1-4244-2227-2
Electronic_ISBN :
978-1-4244-2228-9
DOI :
10.1109/ECOC.2008.4729159
