Satellite navigation receiver and method for switching between real-time kinematic mode and precise positioning mode
US10809391B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 18, 2016 |
| Grant date | Oct 20, 2020 |
| Priority date | — |
| Expiry date | Nov 26, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S19/45
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A receiver or method uses an offset vector to provide seamless switching between a real-time kinematic (RTK) mode and a precise positioning mode (e.g., precise point positioning, PPP) mode. An offset module or data processor is arranged to determine an offset between precise position and the RTK position estimate. Upon loss of the RTK signal, switching to a precise position mode based a last available RTK position (e.g., if the precise position mode is converged on a position solution with resolved ambiguities of the carrier phase), wherein the next precise position estimate is compensated by the offset or reference frame bias to avoid a jump or discontinuity in the next precise position estimate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.