Title :
Optimal signal constellation design for ultra-high-speed optical transport in the presence of phase noise
Author :
Tao Liu ; Djordjevic, Ivan B. ; Ting Wang
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. of Arizona, Tucson, AZ, USA
Abstract :
An optimal signal constellation design algorithm suitable for the phase noise channels is proposed, in which the cumulative log-likelihood-function is used as the optimization criterion. The signal constellations obtained by this algorithm significantly outperform conventional QAM.
Keywords :
optical information processing; optical noise; phase noise; cumulative log-likelihood-function; optimal signal constellation design algorithm; optimization criterion; phase noise channels; ultrahigh-speed optical transport; Algorithm design and analysis; Constellation diagram; Optical signal processing; Phase noise; Quadrature amplitude modulation; Signal processing algorithms;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA