Theo Theocharides Greg M. Link Eric J. Swankoski Narayanan Vijaykrishnan Mary Jane Irwin Herman Schmit Evaluating Alternative Implementations for LDPC Decoder Check Node Function. 77-82 2004 conf/isvlsi/2004 ISVLSI http://csdl.computer.org/comp/proceedings/isvlsi/2004/2097/00/20970077abs.htm db/conf/isvlsi/isvlsi2004.html#TheocharidesLSVIS04