Patent ID: 8503427
Filing Date: 2013-08-06
Classification: H04L,H04W

Abstract:
1. A method for determination of the location of an attached User Equipment in a tunneled IP network by means of a second source address, said tunneled IP network comprising a tunnel termination function whereby the User Equipment location has been determined and maintained in a Location Function and the method comprises the steps of: maintaining in the Location Function a correlation between the User Equipment and a first source address of the User Equipment in a first IP network through which an IP tunnel has been established into a second IP network thereby constituting a tunneled IP network; updating by means of the tunnel termination function the Location Function with a second source address of the User Equipment in the second IP network in context of the first source address, whereby the Location Function is adapted to correlate the first source address with the second source address; and querying the Location Function for the User Equipment location and retrieving the User Equipment location by using the second source address as a key.