Method and system for mobile device localization in extreme ambient conditions
US10165543B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 13, 2018 |
| Grant date | Dec 25, 2018 |
| Priority date | — |
| Expiry date | Aug 13, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01C21/206
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method and system for localizing a mobile device in extreme ambient conditions. The method, executed in a processor of the mobile device, comprises detecting, using a temperature sensor of the mobile device at a first sampling rate, an ambient temperature anomaly along an indoor route being traversed, determining, based on switching to a second sampling rate, that the ambient temperature anomaly persists over a sequence of positions along the indoor route, filtering a set of barometric ambient pressure measurements contemporaneously associated with the sequence of positions, the set obtained using a barometric pressure sensor of the mobile device, and localizing the mobile device based at least partly on the filtered set of barometric ambient pressure measurements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.