Multimode roaming mobile devices
US7925256B2 · kind B2 · utility
1Cited by
3References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 28, 2008 |
| Grant date | Apr 12, 2011 |
| Priority date | — |
| Expiry date | Apr 23, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W88/06
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A mobile device for roaming between wireless communications networks in different geographical regions is provided. The mobile device includes an interface configured to transmit and receive signals over a wireless channel according to a communication mode using one of a plurality of access technologies. The device also includes a store holding a preferred roaming list having a common block holding data common to the plurality of access technologies, and a set of access technology-specific blocks each holding channel acquisition data specific to one of the plurality of access technologies for setting up the communication mode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.