Application of maximum average mutual information quantization in LDPC decoding under QPSK modulation
CHEN Zheng-kang, ZHANG Hui-sheng, LI Li-xin, FAN Jie
Journal of Systems Engineering and Electronics . 2012, (3): 598 -602 .  DOI: 10.3969/j.issn.1001-506X.2012.03.31