Wireless emergency alert geofencing enhancements
US12058598B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 19, 2022 |
| Grant date | Aug 6, 2024 |
| Priority date | — |
| Expiry date | Mar 7, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W4/12
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A base station receives an alert indicating a geofenced area, and determines whether its coverage area is completely within the area. If so, the base station generates/sends a wireless emergency alert (WEA) to user equipment in the coverage area that does not indicate the area. Otherwise, the base station generates/sends a WEA that indicates the area. The base station sends action messages that indicate a periodicity and end time for the user equipment to determine whether its location is within the geofenced area, a lack of service time limit and lack of service action for the user equipment to perform after it has been without cellular service for the lack of service time limit, a lack of location time limit and lack of location action for the user equipment to perform if its location cannot be determined for the lack of location time limit, and/or that the WEA has ended.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.