Systems and methods to determine a location of a mobile device
US10412539B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 23, 2018 |
| Grant date | Sep 10, 2019 |
| Priority date | — |
| Expiry date | Oct 23, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W88/08
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Systems and methods to determine a location of a mobile device based on a radio frequency navigation system and an inertial navigation system, where the radio frequency navigation system is used to determine a location of the mobile device in reference to a map of radio frequency signals and the inertial navigation system is based on dead reckoning the position of the mobile device based on measurements from motion sensors and/or magnetic field sensors. The position determination results from the radio frequency navigation system and the inertial navigation system are combined to determine two successive locations. A heading of the user of the mobile device is computed based on weighted averages for the two successive locations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.