Method and apparatus for recording information from a plurality of mobile devices in an area
US9877295B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 20, 2013 |
| Grant date | Jan 23, 2018 |
| Priority date | — |
| Expiry date | May 25, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W88/02
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method and apparatus for recording information from a plurality of mobile devices in an area, the method comprising listening for data packets from the plurality of mobile devices in a predetermined time period, creating a record for containing addresses and signal strength readings associated with the plurality of mobile devices, determining whether a data packet received during the predetermined time period is from a mobile device of the plurality of mobile devices, determining whether an address associated with the mobile device is recorded in the record, updating the record with the address and a signal strength reading associated with the mobile device, and updating the signal strength reading associated with the mobile device updating the record depending upon the number of times the record has been updated with a signal strength reading associated with the mobile device during the predetermined time period.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.