Experimental Investigation of GF(32) Nonbinary LDPC-coded Non-uniform 9-QAM Modulation Format

Conference: ECOC 2016 - 42nd European Conference on Optical Communication
09/18/2016 - 09/22/2016 at Düsseldorf, Deutschland

Proceedings: ECOC 2016

Pages: 3Language: englishTyp: PDF

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Qu, Zhen; Lin, Changyu; Liu, Tao; Djordjevic, Ivan B. (University of Arizona, Department of Electrical and Computer Engineering, 1230 E. Speedway Blvd., Tucson, AZ 85721, USA)

A specially designed GF(32) nonbinary LDPC-coded non-uniform 9-quadrature amplitude modulation (QAM) is proposed. The experimental and numerical results show that the proposed scheme outperforms nonbinary GF(23) LDPC-coded uniform 8-QAM by ~0.8-dB.