Access gateway device and tracking area identifier notification method
US8548489B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 29, 2007 |
| Grant date | Oct 1, 2013 |
| Priority date | — |
| Expiry date | Mar 6, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W60/00
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
An access gateway device is disclosed that is used in a mobile communication system and that is capable of storing an identifier of a tracking area in which a mobile station in communication is located. The access gateway device includes a table unit storing a table having a corresponding relationships between a tracking area and a base station managing a cell included in the tracking area; a tracking area identifier comparison unit referring to the table at a predetermined timing, detecting the identifier of the tracking area in which the mobile station is located, and comparing the detected identifier of the tracking area with the stored identifier; and a tracking area identifier notification unit notifying the mobile station of the detected identifier of the tracking area when the detected identifier of the tracking area is different from the stored identifier based on a result of the comparison.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.