Medium penetration call announcement in telecommunications system
US6434393B1 · kind B1 · utility
7Cited by
11References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 2, 1999 |
| Grant date | Aug 13, 2002 |
| Priority date | — |
| Expiry date | Jul 2, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B7/18532
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
The claimed invention relates to a radio telecommunications system using channels with high penetration capacity. When a user terminal enters a shadowed area, the user terminal starts listening to a paging channel allocated for transmission of a high-penetration paging message. The subscriber thereby remains with reach of teleservices not otherwise provided for.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.