GPS system for tracking an object of interest and method for using the same
US7855679B1 · kind B1 · utility
28Cited by
2References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 10, 2008 |
| Grant date | Dec 21, 2010 |
| Priority date | — |
| Expiry date | Aug 31, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S5/0036
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An assisted global positioning system (AGPS) for tracking a movable object of interest is disclosed. The system comprises a service center for calculating a tag location, a plurality of ground base stations, a plurality of beacons adapted to transmit individual ID data, and at least one GPS-based smart tag releasably affixed to the movable object. The system components are interconnected by means of one or more communication links. The service center is adapted for inquiring the tag and receiving a response from the tag constituting pseudo-ranges according to a predetermined protocol.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.