Supporting a selection of a floor
US11156694B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 8, 2017 |
| Grant date | Oct 26, 2021 |
| Priority date | — |
| Expiry date | Dec 8, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W88/02
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A mobile device collects data, which enables a generation of a radio map for a site. The collection comprises detecting at least one indication of a floor, at which a user is located, in a user input; and performing measurements on radio signals to obtain for each of a plurality of locations of the site a set of characteristics of radio signals. The mobile device receives, during the collection of data, data from a barometer, verifies a most recent indication of a floor in a user input based on changes in the data from the barometer, and outputs a warning to the user in the case of a discrepancy. The mobile device associates each set of characteristics with a floor indicated by a user. The mobile device provides the sets of characteristics and their association with a floor for a generation a radio map supporting a positioning at the site.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.