Supporting a tracking of mobile devices
US11546720B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 21, 2017 |
| Grant date | Jan 3, 2023 |
| Priority date | — |
| Expiry date | Jan 15, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W4/80
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
An apparatus obtains results of measurements of a mobile device on radio signals transmitted by a radio transmitter at a site. The results include at least an identifier of the radio transmitter and an indication of a received signal strength of the radio signals. A plurality of radio transmitters are distributed at the site. The apparatus compares the received signal strength with a threshold. If the received signal strength exceeds the threshold, the apparatus causes a notification of a user of the mobile device, obtains an indication of a location based on a user input identifying a location on a map of the site, the map presented on a display of the mobile device, and causes storage of the identifier of the radio transmitter and the indication of the location as approximate location of the radio transmitter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.