Method for implementing trellis codes for ISI channels
US5982818A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Jan 7, 1997 |
| Grant date | Nov 9, 1999 |
| Priority date | — |
| Expiry date | Jan 7, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L27/3416
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method of design and implementation of trellis codes for intersymbol interference channels is provided wherein a set of input vectors is mapped to a set of output vectors comprising the steps of forming a minimized basis having a set of minimized basis vectors configured for a set of channel output signals corresponding to the set of output vectors; selecting the smallest member of the set of minimized basis vectors as a coset vector; forming a partition basis by adding the coset vector to at least one member of the set of the minimized basis vectors; and forming a subsequent minimized basis from the partition basis. These codes circumvent the necessity for intersymbol interference removal, thereby reducing equalization complexity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.