Systems and methods to determine a location of a mobile device
US10129691B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 9, 2016 |
| Grant date | Nov 13, 2018 |
| Priority date | — |
| Expiry date | Dec 9, 2036 |
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 by combining a radio frequency navigation system and an inertial navigation system, where the radio frequency navigation system determines a location of the mobile device in reference to a map of radio frequency signals and the inertial navigation system based on dead reckoning the position of the mobile device based on measurements from motion sensors and/or magnetic field sensors. The mobile device combines the position determination results from the radio frequency navigation system and the inertial navigation system to determine two successive locations. A heading of the user of the mobile device is computed from the two successive locations without using the orientation of the mobile device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.