专利名称：RAM LIST-DECODING OF NEAR CODEWORDS
blue film>short怎么读发明人：GUNNAM, KIRAN
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同事 英文申请号：EP08876722
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申请日：20081212
公开号：EP2223431A4
公开日：
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摘要：Certain embodiments of the prent invention are efficient run-time methods for creating and updating a RAM list of dominant trapping-t profiles for u in (LDPC) list decoding. A decoded correct codeword is compared to a near codeword to generate a new trapping-t profile, and the profile written to RAM. Record is kept of how many times RAM has been arched since a profile was last matched. Profiles that have not been matched within a specified number of arches are purge-eligible. Purge-eligible profiles are further ranked on other factors, e.g., number of times a profile has been matched since it was added, number of unsatisfied check nodes, number of erroneous bit nodes. If there is insufficient free space in RAM to store a newly-discovered profile, then purge-eligible profiles are deleted, beginning with the lowest-ranked profiles, until either (i) sufficient free space is created or (ii) there are no more purge-eligible profiles.
申请人：LSI CORPORATION
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