Combined turbo-code/convolutional code decoder, in particular for mobile radio systems
US7191377B2 · kind B2 · utility
10Cited by
3References
33Claims
0Family size
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Key dates
| Filing date | Sep 2, 2003 |
| Grant date | Mar 13, 2007 |
| Priority date | — |
| Expiry date | Nov 17, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03M13/4107
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A combined decoder reuses input/output RAM of a turbo-code decoding circuit as alpha-RAM or beta-RAM for a convolutional code decoding circuit. Additional operational units are used for both turbo-coding and convolutional coding. An effective harware folding scheme permits calculation of 256 states serially on 8 ACS units.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.