Roaming indicators for multi-mode wireless communication devices
US6993336B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 15, 2003 |
| Grant date | Jan 31, 2006 |
| Priority date | — |
| Expiry date | Apr 5, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W48/14
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method (400) and a multi-mode wireless communication device (700) for identifying a preferred system. The multi-mode wireless communication device (700) receives (404) preferred roaming list information (“PRL”) including system identifier information such as System Identification, Network Identification, and Service Set Identifier, and enhanced roaming indicators (“ERI”) associated with the system identifier information, transmits (408) a request for functionality extension table information, receives (410) the functionality extension table information, identifies (414) a currently available preferred system based upon the system identifier information; and conveys (416) information indicative of the identified currently available preferred system based upon the functionality extension table information.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.