Method and system for switching over to 1x system upon 1xev-do system failure
US7590091B2 · kind B2 · utility
5Cited by
5References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 12, 2003 |
| Grant date | Sep 15, 2009 |
| Priority date | — |
| Expiry date | Jul 24, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W88/10
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
The present invention relates to a method and system for switching over a call connection of a hybrid access terminal to a 1X system if a 1XEV-DO system has a problem when the hybrid access terminal requests a call connection to the 1xEV-DO system. The system in accordance with the present invention includes the hybrid access terminal, a 1X transceiver subsystem, a 1X controller, a mobile switching center, an access network transceiver subsystem, an access network controller, a packet data serving node and an IP network.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.