Design of a Multimode QC-LDPC Decoder Based on Shift-Routing Network. - Liu, Chih-Hao; Lin, Chien-Ching; Yen, Shao-Wei; Chen, Chih-Lung; Chang, Hsie-Chia; Lee, Chen-Yi; Hsu, Yar-Sun; Jou, Shyh-Jye (IEEE Trans. Circuits Syst. II Express Briefs, 2009)