Title :
Receiver sensitivity enhancement by using subcarrier reliability aware soft LDPC in CO-OFDM systems
Author :
Di Che ; Khodakarami, Hamid ; An Li ; Xi Chen ; Anderson, T. ; Shieh, William
Author_Institution :
Victoria Res. Lab., NICTA Ltd., Melbourne, VIC, Australia
Abstract :
We propose a concatenated LDPC and Reed-Solomon coding scheme for CO-OFDM systems taking consideration of varying reliability among different subcarriers. BER performance measurement shows that such reliability-aware soft LDPC is effective in combating near-DC noise for CO-OFDM systems.
Keywords :
OFDM modulation; Reed-Solomon codes; concatenated codes; error statistics; optical communication; optical modulation; optical receivers; parity check codes; telecommunication network reliability; BER performance measurement; CO-OFDM Systems; Reed-Solomon coding scheme; coherent optical OFDM; concatenated LDPC; near-DC noise; receiver sensitivity enhancement; subcarrier reliability aware soft LDPC;
Conference_Titel :
Optical Communication (ECOC 2013), 39th European Conference and Exhibition on
Conference_Location :
London
Electronic_ISBN :
978-1-84919-759-5
DOI :
10.1049/cp.2013.1613
