Title :
Three-dimensional subcarrier-multiplexed nonbinary-LDPC-coded modulation schemes enabling ultra high speed optical communications
Author :
Arabaci, Murat ; Djordjevic, Ivan B.
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. of Arizona, Tucson, IN, USA
Abstract :
We propose nonbinary-LDPC-coded modulation schemes employing subcarrier-multiplexing and three-dimensional constellations. We improve coding gains of conventional PDM-M-QAM by 2.17dB and 2.92dB, for M = 8 and M = 16, respectively, at the BER of 10-7.
Keywords :
error statistics; optical communication; parity check codes; quadrature amplitude modulation; subcarrier multiplexing; BER; PDM-M-QAM; multiplexed nonbinary LDPC-coded modulation; polarization-mode dispersion; three-dimensional constellation; three-dimensional subcarrier multiplexing; ultra high speed optical communication; Aggregates; Bit error rate; Constellation diagram; Encoding; Gain; 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
