System and method of performing idle mode signaling reduction in multi-radio access technology cellular networks
US9148825B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 28, 2013 |
| Grant date | Sep 29, 2015 |
| Priority date | — |
| Expiry date | Aug 9, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W60/04
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method includes performing a handover for a mobile device between first and second RAT networks. The first RAT network has a tracking area. The second RAT network has a routing area. Idle mode signaling reduction is activated in the mobile device including activating first and second timers respectively for the first and second RAT networks. In response to either one of the first and second timers expiring, a tracking or routing area update is sent to a first base station. The first base station is in the first RAT network or the second RAT network. The first timer is reset while the second timer maintains a set offset from the first timer. The tracking area update indicates that the mobile device has performed a handover to the first RAT network. The routing area update indicates that the mobile device has handed over to the second RAT network.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.