Trellis decoder for ATSC 8VSB
US6031876A · kind A · utility
5Cited by
4References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 25, 1997 |
| Grant date | Feb 29, 2000 |
| Priority date | — |
| Expiry date | Jun 25, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L1/0054
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A traceback device of a trellis decoder including a memory for storing survivor path information as much as a decision depth, a multiplexing unit for decoding the survivor path information received from the memorizing unit, and a traceback unit receiving the survivor path information of lower bits decoded by the multiplexing unit and state output of itself, to carry out a state transition and trace back the decoded value of lower bits.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.