Recovery techniques in mobile networks
US8923846B2 · kind B2 · utility
3Cited by
29References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 21, 2013 |
| Grant date | Dec 30, 2014 |
| Priority date | — |
| Expiry date | Oct 21, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W24/04
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A technique for protecting location information of a subscriber in a mobile network is disclosed. A User Mobility Server (UMS) receives a first query from a first call state control function (CSCF). The UMS transmits a call setup and a subscriber identity to a servicing-call state control function (S-CSCF). The S-CSCF may have no record of the subscriber identity due to a restart are some other event. The UMS receives a second query from the S-CSCF based in part of the subscriber identity. The UMS transmits a home address of a mobile station to the S-CSCF. The UMS may also transmit a profile download to the S-CSCF.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.