@article {1428, title = {On the Construction of Regular QC-LDPC Codes With Low Error Floor}, journal = {IEEE Communications Letters}, volume = {24}, year = {2020}, pages = {25-28}, doi = {10.1109/LCOMM.2019.2953058}, author = {Sar{\i}duman, Abdullah and Pusane, Ali E. and Z C Ta{\c s}k{\i}n} }