Link between Sum-Product and Gradient Projection Decoding of LDPC Codes: An Intermediate Algorithm. - Maxmime Beaudonnet; Christos Kasparis; Barry G. Evans (VTC Spring, 2008)

Gradient projection decoding of LDPC codes and algorithmic variations. - Christos Kasparis; Maxmime Beaudonnet; Elias Gyftodimos; Barry G. Evans (IET Commun., 2010)