Method of determining location

摘要

A method of locating a mobile device (25) registered to a home telecommunications network (11), the method comprising: monitoring (40) network transactions; identifying (42) a first type of network transaction (30) indicating that the mobile device (25) is connected to a component of a foreign telecommunications network; identifying (44) a second type of network transaction (30) indicating that the mobile device (25) has cancelled a connection to the component of the foreign telecommunications network; locating (46) the mobile device (25) on the basis of the identified first and second types of network transaction (30); wherein locating (46) the mobile device (25) comprises setting the location status of the mobile device (25) as: within the foreign telecommunications network (29) if a network transaction of the first type has been identified, and; within the home telecommunications network (11) if a network transaction of the second type has been identified and no further network transactions of the first type have been identified.

主权项

1. A method of authenticating an event comprising:
receiving a request for an event associated with a user, the request comprisingdata relating to a region where the event is being requested;determining the location of a mobile device associated with the user, the mobile device being registered to a home telecommunications network;authenticating the requested event in dependence on the result of a comparison between the data relating to the region where the event is being requested and the location of the mobile device;wherein, determining the location of the mobile device associated with the user, comprises:
monitoring network transactions; identifying a first type of network transaction indicating that the mobile device is connected to a component of a foreign telecommunications network; identifying a second type of network transaction indicating that the mobile device has cancelled a connection to the component of the foreign telecommunications network; locating the mobile device on the basis of the identified first and second types of network transaction; wherein locating the mobile device comprises setting the location status of the mobile device as:
(i) within the foreign telecommunications network if a network transaction of the first type has been identified, and;(ii) within the home telecommunications network if a network transaction of the second type has been identified and no further network transactions of the first type have been identified.