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    • 4. 发明申请
    • MEMORY CONTROLLER, STORAGE DEVICE AND DECODING METHOD
    • 存储控制器,存储设备和解码方法
    • US20160266972A1
    • 2016-09-15
    • US14845890
    • 2015-09-04
    • Kabushiki Kaisha Toshiba
    • Ryo YAMAKIHaruka Obata
    • G06F11/10H03M13/45G11C29/52
    • H03M13/45G06F11/1012G11C29/52G11C2029/0411H03M13/09H03M13/2909H03M13/3707H03M13/3746H03M13/3753H03M13/6325
    • An embodiment includes: a first decoder configured to calculate first distance information indicating a squared Euclidean distance between a first decoded word obtained by decoding a first received word read from a nonvolatile memory and the first received word, calculate a decoding success rate based on the first distance information, and calculate a first extrinsic value vector based on the first decoding success rate; and a second decoder configured to decode a result obtained by adding a second received word read from the nonvolatile memory to the rearranged set of the first extrinsic values corresponding to the second codeword, calculate second distance information based on a second decoded word obtained by the decoding, calculate a decoding success rate based on the second distance information, and calculate a second extrinsic value based on the second decoding success rate.
    • 一个实施例包括:第一解码器,被配置为计算指示通过解码从非易失性存储器读取的第一接收字与第一接收字获得的第一解码字之间的平方欧几里德距离的第一距离信息,基于第一接收字计算解码成功率 距离信息,并且基于第一解码成功率计算第一非本征值向量; 以及第二解码器,被配置为对通过将从非易失性存储器读取的第二接收字添加到对应于第二码字的第一非本征值的重排集合而获得的结果进行解码,基于通过解码获得的第二解码字计算第二距离信息 基于第二距离信息计算解码成功率,并且基于第二解码成功率计算第二非本征值。