Vehicle positioning correction method and mobile device
US11118913B2 · kind B2 · utility
1Cited by
1References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 9, 2016 |
| Grant date | Sep 14, 2021 |
| Priority date | — |
| Expiry date | Jul 23, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08G1/052
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A positioning method applied to a mobile device having a sensor system and a positioning system includes determining that the mobile device is in a preset state; determining a speed reference value of the mobile device based on data detected by the sensor system; determining a position reference value of the mobile device based on preset map data and an estimated positioning value that is output by the positioning system; and correcting, based on the speed reference value and the position reference value, an estimated speed value and the estimated positioning value that are output by the positioning system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.