Patent ID: 8781123
Filing Date: 2014-07-15
Classification: H04L,H04W

Abstract:
1. A method comprising: receiving a location information request at a first network element, which is connected to a cellular network, from a second network element, which is connected to a packet data network, the location information request relating to a mobile station associated with the cellular network; determining to transmit a request to a third network element, which is connected to the packet data network, the request requesting a security document relating to the second network element; determining to initiate establishment of at least one security association that at least specifies data origin authentication and points from the second network element to the first network element, wherein the establishment at least involves use of information comprised in the security document; determining to authenticate, after successful establishment of the at least one security association, a data origin of the location information request; and determining to initiate, if the data origin of the location information request is authenticated successfully, a location procedure relating to the mobile station.