Positioning method and apparatus
US11841446B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 26, 2021 |
| Grant date | Dec 12, 2023 |
| Priority date | — |
| Expiry date | Apr 27, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S19/43
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The present application discloses a positioning method and an apparatus, which relate to the technical field of intelligent driving. A specific implementation solution is: determining a first positioning result using point cloud data collected by lidar in combination with a laser point cloud reflection value map; constructing a constraint condition using the first positioning result, where the constraint condition is used to accelerate a convergence speed of solving a receiver position using observation data; performing GNSS-PPP positioning using the constraint condition in combination with observation data of a GNSS receiver to obtain a second positioning result. Using this solution, lidar positioning technology is combined with GNSS-PPP positioning technology to realize a purpose of not relying on a GNSS base station.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.