Spread-spectrum communication device
US6034989A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 2, 1997 |
| Grant date | Mar 7, 2000 |
| Priority date | — |
| Expiry date | Oct 2, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B1/69
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A spread-spectrum communication device which substantially eliminates a narrow-band interfering signal contained in a spread signal over a wide range of frequency and which presents a good S/N ratio in a despread signal. A magnetostatic filter is used to limit the narrow-band interfering signal along with part of the spread signal. The limited spread signal and narrow-band interfering signal are despread by a matched filter. A plurality of correlation peaks, which are derived from the same symbol in the spread signal and are contained in the despread signal, are synthesized in a rake synthesizer or a post-detection integrator receiver.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.