Error correcting code decoder
US9509342B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 15, 2014 |
| Grant date | Nov 29, 2016 |
| Priority date | — |
| Expiry date | Dec 30, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03M13/41
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
Apparatuses, systems, methods, and computer program products are disclosed for error correcting code (ECC) decoding. A soft information module may be configured to determine whether to obtain an indication of the accuracy of a data value for a variable node of an ECC decoder such as a low density parity check (LDPC) code decoder. A score module may be configured to assign and update a score for the variable node. The score may be based on the accuracy indication and on a count of unsatisfied check nodes of the ECC decoder that are associated with the variable node. A precision for the score may be based on an estimated number of errors for the received code word. A check node update module may be configured to update check nodes associated with the variable node based on the score.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.