Method and system for locating a mobile terminal
First Claim
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1. A method comprising:
- receiving, at a gateway mobile location center from a location service client, a request to locate a mobile terminal in a cellular network, the request including an overlay identity statically identifying the mobile terminal to an overlay network without an active context established with the mobile terminal;
sending, by said gateway mobile location center, a query to a database containing domain address information in order to derive domain address information corresponding to a mobile terminal home gateway mobile location center;
receiving, by said gateway mobile location center, domain address information corresponding to said mobile terminal home gateway mobile location center in response to said query;
sending, by said gateway mobile location center, said request to said mobile terminal home gateway mobile location center;
sending, by said mobile terminal home gateway mobile location center, a conversion request to a Privacy Profile Register using said overlay identity;
receiving, at said mobile terminal home gateway mobile location center, a cellular identity in response to said conversion request;
using, by said mobile terminal home gateway mobile location center, said cellular identity to access a subscriber database;
receiving, from said subscriber database, routing information of said mobile terminal; and
initiating, by said mobile terminal home gateway mobile location center, a location service of said cellular network based on said cellular identity and on said routing information, wherein said location service is configured to provide a geographical location of said mobile terminal through a positioning functionality.
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Abstract
A method and system locates a mobile terminal addressed in a location service request using an overlay identity. According to one aspect of the invention a location service client accesses a first subscriber database, thereby providing said overlay identity, in order to derive a cellular identity of said mobile terminal. According to another aspect of the invention the location service client accesses a location service server in order thereby providing said overlay identity. The location service server initiates a privacy check using said overlay identity and in response receives a cellular identity. The cellular identity then may be used to request a location service to enhance functionality.
18 Citations
13 Claims
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1. A method comprising:
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receiving, at a gateway mobile location center from a location service client, a request to locate a mobile terminal in a cellular network, the request including an overlay identity statically identifying the mobile terminal to an overlay network without an active context established with the mobile terminal; sending, by said gateway mobile location center, a query to a database containing domain address information in order to derive domain address information corresponding to a mobile terminal home gateway mobile location center; receiving, by said gateway mobile location center, domain address information corresponding to said mobile terminal home gateway mobile location center in response to said query; sending, by said gateway mobile location center, said request to said mobile terminal home gateway mobile location center; sending, by said mobile terminal home gateway mobile location center, a conversion request to a Privacy Profile Register using said overlay identity; receiving, at said mobile terminal home gateway mobile location center, a cellular identity in response to said conversion request; using, by said mobile terminal home gateway mobile location center, said cellular identity to access a subscriber database; receiving, from said subscriber database, routing information of said mobile terminal; and initiating, by said mobile terminal home gateway mobile location center, a location service of said cellular network based on said cellular identity and on said routing information, wherein said location service is configured to provide a geographical location of said mobile terminal through a positioning functionality. - View Dependent Claims (2, 3, 4, 5, 6, 7, 12)
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8. A system comprising:
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at least one processor; and at least one memory including computer program code, the at least one memory and the computer program code configured to, with the at least one processor, cause the system at least to; receive, at a gateway mobile location center a location request including an overlay identity of a mobile terminal from a location service client having the overlay identity of the mobile terminal, said overlay identity statically identifying the mobile terminal to an overlay network without an active context established with the mobile terminal, send, by said gateway mobile location center, a query to a database containing domain address information in order to derive domain address information corresponding to a mobile terminal home gateway mobile location center, receive, by said gateway mobile location center, domain address information corresponding to said mobile terminal home gateway mobile location center in response to said query, send, by said gateway mobile location center, said request to said mobile terminal home gateway mobile location center, send, by said mobile terminal home gateway mobile location center, a conversion request to a privacy profile register utilizing said overlay identity, receive, at said mobile terminal home gateway mobile location center, a cellular identity in response to said conversion request, access, using said mobile terminal home gateway mobile location center, a subscriber database using said cellular identity to derive routing information, and initiate, by said mobile terminal home gateway mobile location center, a location service of a cellular network based on said routing information and said cellular identity, wherein said location service is configured to provide a geographical location of said mobile terminal through a positioning functionality. - View Dependent Claims (9, 10, 11, 13)
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Specification