A low density parity check (LDPC) code that is particularly well adapted for hardware implementation of a belief propagation decoder circuit is disclose& The LDPC code is arranged as a macro matrix (H) whose rows and columns represent block columns and block rows of a corresponding parity check matrix...http://www.google.de/patents/US7178080?utm_source=gb-gplus-sharePatent US7178080 - Hardware-efficient low density parity check code for digital communications
