Portable base station network for local differential GNSS corrections
US8803735B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 20, 2011 |
| Grant date | Aug 12, 2014 |
| Priority date | — |
| Expiry date | Sep 7, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S19/13
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A DGNSS-based guidance system, wherein a rover receiver first utilizes data from a master base station transceiver, a DGNSS reference network, or some other differential source to compute a differentially corrected location to establish a reference DGNSS relationship. Using this location and data observed only at the rover, the rover computes an internal set of differential corrections, which set is stored in computer memory, updated as necessary, and applied in future times to correct observations taken by the rover. As the rover enters into areas of other base station receiver reference networks, the rover transceiver will send positional information it receives from the master base station to the new, secondary base station. The secondary base station then calibrates its own reference information using information sent from the original master base station.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.