Emergency mode operation in a wireless communication network
US7519351B2 · kind B2 · utility
83Cited by
12References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 20, 2004 |
| Grant date | Apr 14, 2009 |
| Priority date | — |
| Expiry date | Aug 28, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W88/18
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A wireless communication network 20 operates in an emergency mode 22. In one example, network components enter an emergency mode 24. In another example, mobile stations enter an emergency mode 26. Various disclosed emergency mode features such as having a dedicated emergency channel, using dedicated emergency devices, using mobile stations as repeaters, providing alive user indications and utilizing beacon signals can be combined in different ways to facilitate search and rescue operations, for example.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.