Communication channel employing an ECC decoder enhanced by likely error events of a trellis sequence detector
US6694477B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 28, 2000 |
| Grant date | Feb 17, 2004 |
| Priority date | — |
| Expiry date | Dec 3, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L1/0057
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A communication channel is disclosed comprising a trellis sequence detector for detecting an estimated data sequence from signal sample values. A post processor detects and corrects an error event of the trellis sequence detector by remodulating the estimated data sequence into a sequence of expected sample values, computing samples errors as the difference between the expected samples and signal samples, and correlating the sample errors with error event samples. The communication channel further comprises a Reed-Solomon error correction code (ECC) decoder for decoding a Reed-Solomon codeword in the estimated data sequence in response to the detected error event.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.