Geofences based on RF fingerprints
US9986377B2 · kind B2 · utility
3Cited by
8References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 24, 2016 |
| Grant date | May 29, 2018 |
| Priority date | — |
| Expiry date | Jun 24, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W84/12
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Systems, apparatus and methods in a mobile device for determining a breach of a geofence is presented. A reference radio frequency (RF) fingerprint is obtained by the mobile device, the reference RF fingerprint defining the geofence. The reference RF fingerprint may be generated by the mobile device or received from a different mobile device. The mobile device scans for RF signals and determines a scanned RF fingerprint based on the scan for RF signals. A breach of the geofence is determined using the reference RF fingerprinting and the scanned RF fingerprint.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.