GGSN proxy for one tunnel solution
US8218490B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 16, 2006 |
| Grant date | Jul 10, 2012 |
| Priority date | — |
| Expiry date | May 9, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W80/04
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method for roaming of a wireless mobile communication unit, a service support node and a proxy gateway support node for roaming between Public Land Mobile Networks, as well as a mobile communication infrastructure network arranged to handle roaming between different PLMN areas, where the support node is located in a current PLMN and arranged to send a context request to a first service support node in another PLMN for a user equipment, receive a context response from the first service support node, send a context acknowledgement to the first service support node, send an update location message to a home location register of the user equipment, receive a relocate PDP context response from the second proxy gateway support node and send a relocate PDP context request to a second proxy gateway support node in the current PLMN.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.