Method for autonomous handoff in a wireless communication system
US6725043B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 20, 2001 |
| Grant date | Apr 20, 2004 |
| Priority date | — |
| Expiry date | Sep 9, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W28/26
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method and apparatus for handoff to a rescue channel is introduced without the need to send and receive handoff control messages. In the preferred embodiment of the present invention, coordination of the rescue procedure at the infrastructure and mobile station is provided first by disabling the mobile transmitter followed by subsequent detection of signal loss and frame erasures at the serving cells, then by enabling the mobile transmitter followed by subsequent detection of signal by a rescue cell, and finally by enabling the rescue cell channel transmitter followed by subsequent detection and reception of signal and frames by the mobile.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.