Title :
Coded modulation in optical communications
Author :
Bülow, Henning ; Masalkina, Ekaterina
Author_Institution :
Inf. Transm., Univ. Erlangen-Nuernberg, Erlangen, Germany
Abstract :
Coded modulation schemes for optical transport are reviewed and coding of 4-D constellations is discussed including iterative demapping for soft-detection of polarization-switched QPSK which achieves 1.5dB sensitivity gain compared to polarization-multiplexed QPSK.
Keywords :
modulation coding; optical fibre communication; quadrature phase shift keying; 4D constellation; coded modulation scheme; gain 1.5 dB; iterative demapping; optical communication; optical transport; polarization- switched QPSK soft-detection; Bit error rate; Decoding; Encoding; Forward error correction; Parity check codes; Phase shift keying;
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
