Digital signal decoding apparatus and a decoding method used therein
US5940416A · kind A · utility
15Cited by
2References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 24, 1997 |
| Grant date | Aug 17, 1999 |
| Priority date | — |
| Expiry date | Jun 24, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03M13/4107
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A calculation concerning the input of a signal is removed from a branch metric calculation processing on a trellis diagram of an extended partial response class, and the calculation of branch metrics and the selection of survivor paths can be carried out by the subtraction of the survivor paths and the comparison of constants.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.