Multi-level LDPC layer decoder
US8656249B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 7, 2011 |
| Grant date | Feb 18, 2014 |
| Priority date | — |
| Expiry date | Apr 24, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03M13/1171
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
Various embodiments of the present invention provide methods and apparatuses for multi-level layer decoding of non-binary LDPC codes. For example, an apparatus is disclosed for layer decoding of multi-level low density parity check encoded data. The apparatus includes a low density parity check decoder operable to perform layered decoding of a plurality of circulant submatrices from an H matrix. The apparatus also includes a parity check calculator connected to the low density parity check decoder, operable to detect whether a stopping criterion has been met in the low density parity check decoder. The low density parity check decoder is also operable to end a decoding operation at less than a maximum number of iterations when the stopping criterion is met.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.