RAM LIST-DECODING OF NEAR CODEWORDS

更新时间:2023-06-25 15:11:01 阅读: 评论:0

《克雷洛夫寓言》
专利名称:RAM LIST-DECODING OF NEAR CODEWORDS
发明人:GUNNAM, KIRAN
小花梅申请号:EP08876722
申请日:20081212
公开号:EP2223431A4
公开日:
20100901
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孔已己摘要: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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