Method and apparatus for efficient computation of check equations in periodical low density parity check (LDPC) codes
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United States of America Patent
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Mar 23, 2010
Grant Date -
Oct 6, 2005
app pub date -
Jun 14, 2004
filing date -
Mar 31, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A periodic Low Density Parity Check (LPDC) coding apparatus and method allows reference to an LDPC code parity check matrix, where such reference is accomplished row by row. A specially configured memory and cyclical shift operation are used by the apparatus to efficiently compute check equations of the periodic LDPC code.
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