Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2006/04/01 Vol. E89-ANo. 4pp. 969-978 Type of Manuscript: Special Section PAPER (Special Section on Selected Papers from the 18th Workshop on Circuits and Systems in Karuizawa) Category: Keyword: low-density parity-check codes, partially-parallel LDPC decoder, message-passing algorithm, FPGA,