Radio frequency signal analysis and classification using time-frequency information
US7929508B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 26, 2008 |
| Grant date | Apr 19, 2011 |
| Priority date | — |
| Expiry date | Oct 16, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W84/12
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A signal analysis mechanism for processing and classifying an RF signal received at a WLAN device. A plurality of spectral data captures comprising time-frequency data and receive signal strength indicator (RSSI) data associated with the RF signal received at the WLAN device are generated. The time-frequency and RSSI data of each of the plurality of spectral data captures is processed to determine whether each spectral data capture is a narrowband signal capture. If the plurality of spectral data captures are narrowband signal captures, a narrowband interference signal type associated with the received RF signal is determined based, at least in part, on a plurality of parameters associated with the narrowband signal captures.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.