QUASI-SYSTEMATIC BLOCK-CIRCULANT LDPC CODES-中国期刊网

摘要 AclassofQuasi-SystematicBlock-CirculantLow-DensityParity-Check(QSBC-LDPC)codesisproposed.Block-circulantLDPCcodeshavebeenstudiedalotrecently,becausethesimplestructuresoftheirparity-checkmatricesareveryhelpfultoreducetheimplementationcomplexities.QSBC-LDPCcodesarespecialblock-circulantLDPCcodeswithquasi-systematicparity-checkma-trices.ThememoriesforencodersofQSBC-LDPCcodesarelimited,andtheencodingprocesscanbecarriedoutinasimplerecursivewaywithlowcomplexities.ResearchesshowthattheQSBC-LDPCcodescanprovideremarkableperformanceswithlowencodingcomplexities.

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QUASI-SYSTEMATIC BLOCK-CIRCULANT LDPC CODES

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QUASI-SYSTEMATIC BLOCK-CIRCULANT LDPC CODES

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