QC-LDPC code decoder and corresponding decoding method
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United States of America Patent
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Nov 27, 2012
Grant Date -
Jul 29, 2010
app pub date -
Jun 19, 2008
filing date -
Jul 18, 2007
priority date (Note) -
Expired
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Abstract
An efficient general QC-LDPC code decoder includes a general-purpose processor for distributing the storage storage space of the data memory block, and establishing an index for data addressing; a data memory block for storing the information used during decoding; a hardware accelerator for conducting part or all of the information processing operations including parity check, check node updating and variable node updating. A corresponding QC-LDPC code decoding method includes initializing the variable node information and performing parity check on the check matrix row block by row block; updating the check node row block by row block and updating the variable node column block by column block if any check equation is not met.
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