Keke Liu Yang Han Shaohua Yang Bruce Wilson Xuebin Wu Wu Chang A Modified Two-Bit Finite-Alphabet Iterative Decoder for LDPC Codes. 1-5 2018 GLOBECOM https://doi.org/10.1109/GLOCOM.2018.8647129 conf/globecom/2018 db/conf/globecom/globecom2018.html#LiuHYWWC18