Title :
Experimental study of polarization-switched-QPSK subcarrier modulation and iterative demapping on optical OFDM systems
Author :
Masalkina, E. ; Dischler, R. ; Bülow, H.
Author_Institution :
Inst. of Inf. Transm., Univ. Erlangen-Nuernberg, Erlangen, Germany
Abstract :
We demonstrate application of polarization-switched-QPSK subcarrier modulation together with soft-FEC LDPC coding and iterative demapping on OFDM lab system. 4.5dB OSNR-sensitivity improvement versus conventional polarization-multiplex is achieved.
Keywords :
OFDM modulation; forward error correction; iterative methods; multiplexing; parity check codes; quadrature phase shift keying; OFDM lab system; forward error correction; iterative demapping; low density parity check codes; optical OFDM systems; polarization-switched-QPSK subcarrier modulation; soft-FEC LDPC coding; Bit error rate; Decoding; Modulation; OFDM; Optical fibers; Optical polarization; Parity check codes;
Conference_Titel :
Optical Fiber Communication Conference and Exposition (OFC/NFOEC), 2011 and the National Fiber Optic Engineers Conference
Conference_Location :
Los Angeles, CA
Print_ISBN :
978-1-4577-0213-6
