RF receiver having frequency-hopping/direct-sequence spread spectrum signal discrimination
US6320896A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 14, 1998 |
| Grant date | Nov 20, 2001 |
| Priority date | — |
| Expiry date | Jul 14, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B2001/7152
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A receiver is provided for use in an environment in which both frequency-hopping and direct-sequence spread spectrum radio frequency (RF) signals are present. The receiver includes a receive section adapted to receive and downconvert RF input signals. A detector is coupled to the receive section, and has a plurality of parallel filter stages with each tuned for a distinct frequency band. A discriminator compares the RF energy level passing through each of the filter stages to determine whether the RF input signals are frequency-hopping or direct-sequence spread spectrum signals. A controller is adapted to control the receive section in response to the discriminator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.