METHOD AND SYSTEM FOR LOCATING A MOBILE TERMINAL
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Abstract
The present invention relates to a method and system for locating a mobile terminal addressed in a location service request by an overlay identity. A database (60) is accessed to obtain a first routing information of the mobile terminal based on the overlay identity, and the first routing information is then used to access a sub-scriber database (40) in order to derive a second routing information and a cellular identity of the mobile terminal (10), based on which a location service of the cellular network is initiated. Thereby, a LCS clients of the overlay system (e.g. IMS) can be supported in current LCS services to enhance their functionality.
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Citations
21 Claims
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1. (canceled)
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2. A method comprising:
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receiving at a gateway node a service request including an internet protocol multimedia subsystem (IMS) identity of a mobile terminal; determining to match the IMS identity of the mobile terminal with one or more IMS identities of the mobile terminal received from a subscriber database allocated to the mobile terminal; and determining to locally retrieve routing information and cellular identity of the mobile terminal associated with at least one of the IMS identities of the mobile terminal that is matched with the IMS identity. - View Dependent Claims (3, 4, 5, 6, 7, 8)
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9. An apparatus comprising:
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at least one processor; and at least one memory including computer program code for one or more programs, the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus to perform at least the following, receive at a gateway node a service request including an internet protocol multimedia subsystem (IMS) identity of a mobile terminal; determine to match the IMS identity of the mobile terminal with one or more IMS identities of the mobile terminal received from a subscriber database allocated to the mobile terminal; and determine to locally retrieve routing information and cellular identity of the mobile terminal associated with at least one of the IMS identities of the mobile terminal that is matched with the IMS identity. - View Dependent Claims (10, 11, 12, 13, 14, 15)
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16. A computer-readable storage medium carrying one or more sequences of one or more instructions which, when executed by one or more processors, cause an apparatus to at least perform the following steps:
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receiving at a gateway node a service request including an internet protocol multimedia subsystem (IMS) identity of a mobile terminal; determining to match the IMS identity of the mobile terminal with one or more IMS identities of the mobile terminal received from a subscriber database allocated to the mobile terminal; and determining to locally retrieve routing information and cellular identity of the mobile terminal associated with at least one of the IMS identities of the mobile terminal that is matched with the IMS identity. - View Dependent Claims (17, 18, 19, 20, 21)
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Specification