Matched filter for scalable spread spectrum communications systems
US7280579B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Jun 28, 2006 |
| Grant date | Oct 9, 2007 |
| Priority date | — |
| Expiry date | Jun 28, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B2201/70707
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A transmitter for a spread spectrum communications system may include a data source, a first multiplier/mixer spreading data from said data source with a first pseudo noise source, a second multiplier/mixer spreading data from said first mixer with a second pseudo noise source, and an RF transmitter. A receiver for a spread spectrum communications system may include an RF receiver, a first matched filter receiving data from said RF receiver, a plurality of phase/frequency shifters receiving a signal from said first matched filter, a plurality of second matched filters receiving data from said plurality of phase/frequency shifters, and an equalizer/decoder receiving signals from said plurality of second matched filters.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.