Title :
LDPC coded modulation for terabit optical Ethernet
Author :
Djordjevic, Ivan B.
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. of Arizona, Tucson, AZ, USA
Abstract :
Polarization-multiplexed-QAM requires huge QAM constellations to reach Tb/s-range with commercially-available symbol rates. In this invited paper, we describe four techniques to enable multi-Tb/s Ethernet, while employing reasonable signal-constellation sizes: four-dimensional (4D)-coded-modulation, 4D-multiband-coded-OFDM, generalized-OFDM, and spatial-domain-based-coded-modulation.
Keywords :
OFDM modulation; local area networks; optical fibre networks; parity check codes; quadrature amplitude modulation; 4D-coded-modulation; 4D-multiband-coded-OFDM; LDPC coded modulation; polarization-multiplexed-QAM; signal-constellation sizes; spatial-domain-based-coded-modulation; terabit optical Ethernet; Constellation diagram; OFDM; Optical receivers; Optical transmitters; Parity check codes;
Conference_Titel :
Photonics Society Summer Topical Meeting Series, 2011 IEEE
Conference_Location :
Montreal, QC
Print_ISBN :
978-1-4244-5730-4
DOI :
10.1109/PHOSST.2011.6000075