System and method for providing rescue channel communications between base stations in a wireless communication system
US7047010B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 21, 2001 |
| Grant date | May 16, 2006 |
| Priority date | — |
| Expiry date | Aug 5, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W88/08
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A system and method is disclosed for providing rescue channel communications between base stations in a wireless communication system. The invention comprises a source base station that is capable of sending messages to a rescue base station to cause the rescue base station to establish a rescue channel for a mobile station that has lost its traffic channel. The messages for establishing rescue channels communications between the base stations comprise Internetwork Operating System (IOS) messages that have been modified to add rescue channel indicator information. In an alternate advantageous embodiment of the invention, specially designed rescue channel activation messages and rescue channel activation acknowledgment messages are used to establish a rescue channel for the mobile station.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.