公开(公告)号：US09553612B2

公开(公告)日：2017-01-24

申请号：US14607492

申请日：2015-01-28

Applicant: Seagate Technology LLC

Inventor： Anatoli A. Bolotov ,  Earl T. Cohen ,  Elyar Gasanov ,  Mikhail I. Grinchuk ,  Pavel A. Panteleev

IPC: H03M13/00 ,  H03M13/45 ,  H03M13/15

CPC classification number: H03M13/451 ,  H03M13/152 ,  H03M13/458

Abstract: An apparatus having a memory and a controller is disclosed. The memory is configured to store a codeword. The controller is configured to (i) determine one or more least-reliable bit positions in a soft-decision version of the codeword in response to failing to decode a hard-decision version of the codeword, (ii) generate a trial codeword by selecting at random a respective value in one or more trial positions among the least-reliable bit positions in the hard-decision codeword and (iii) perform a hard-decision decoding of the trial codeword.

Abstract translation: 公开了一种具有存储器和控制器的装置。 存储器被配置为存储码字。 控制器被配置为（i）响应于不能解码码字的硬判决版本，确定码字的软判决版本中的一个或多个最不可靠的比特位置，（ii）通过选择生成试用码字 随机地在硬判决代码字中的最不可靠的位位置中的一个或多个试用位置中的相应值，以及（iii）执行试用码字的硬判决解码。

公开(公告)号：US20150333776A1

公开(公告)日：2015-11-19

申请号：US14607492

申请日：2015-01-28

Applicant: Seagate Technology LLC

Inventor： Anatoli A. Bolotov ,  Earl T. Cohen ,  Elyar Gasanov ,  Mikhail I. Grinchuk ,  Pavel A. Panteleev

IPC: H03M13/45

CPC classification number: H03M13/451 ,  H03M13/152 ,  H03M13/458

Abstract: An apparatus having a memory and a controller is disclosed. The memory is configured to store a codeword. The controller is configured to (i) determine one or more least-reliable bit positions in a soft-decision version of the codeword in response to failing to decode a hard-decision version of the codeword, (ii) generate a trial codeword by selecting at random a respective value in one or more trial positions among the least-reliable bit positions in the hard-decision codeword and (iii) perform a hard-decision decoding of the trial codeword.

Abstract translation: 公开了一种具有存储器和控制器的装置。 存储器被配置为存储码字。 控制器被配置为（i）响应于不能解码码字的硬判决版本，确定码字的软判决版本中的一个或多个最不可靠的比特位置，（ii）通过选择生成试用码字 随机地在硬判决代码字中的最不可靠的位位置中的一个或多个试用位置中的相应值，以及（iii）执行试用码字的硬判决解码。