Method and apparatus for system selection
US7139587B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 23, 2003 |
| Grant date | Nov 21, 2006 |
| Priority date | — |
| Expiry date | Jan 22, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W88/06
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
In a wireless communication device which is transportable between plural geographic region, wherein each geographic region has preferred and non-preferred communication systems for the wireless communication device, a method of selecting an appropriate communication system, including providing the wireless communication device with a non-PRL system table for storing acquisition parameters, including a communication system identification, a band class designation for a band class, a channel designation for a channel in the band class, and geographic region identification; making entries in the non-PRL system table when the wireless communication device acquire an appropriate channel in a geographic region; searching the non-PRL system table when the wireless communication device next changes geographic regions; and selecting a communication system based on the acquisition parameters in the non-PRL system table as a result of the searching.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.