Despread signal recovery in digital signal processors
US7333530B1 · kind B1 · utility
1Cited by
11References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 6, 2001 |
| Grant date | Feb 19, 2008 |
| Priority date | — |
| Expiry date | Aug 6, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B1/7093
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A digital signal processor performs despread decoding in wireless telephone systems. Orthogonal codes are used to combine data signals into one overall coded signal which is transmitted. The orthogonal codes are used to retrieve individual data signals from the transmitted overall coded signal. Despread instructions are included in the digital signal processor functionality.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.