Title :
Optimum signal constellation design and mapping rule for few-mode fiber based LDPC-coded CO-OFDM
Author :
Ding Zou ; Tao Liu ; Djordjevic, Ivan B. ; Ting Wang
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. of Arizona, Tucson, AZ, USA
Abstract :
We propose an OSCD-based LDPC-coded mode-multiplexed CO-OFDM system as multi-Tb/s enabling technology, and demonstrate that 16-OSCD with optimized mapping rule outperforms the 16-QAM by 0.9dB over 1000km of few-mode fiber in strong coupling regime.
Keywords :
OFDM modulation; optical fibre communication; parity check codes; LDPC-coded coherent optical OFDM; QAM; distance 1000 km; few-mode fiber; mapping rule; optimum signal constellation design; Bit error rate; Constellation diagram; OFDM; Optical fiber communication; Optical fibers; Parity check codes;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location :
San Jose, CA