IP-based mechanism for location service systems, methods, and devices
First Claim
Patent Images
1. A method for location service, comprising the steps of:
- activating a location service client for the location service;
requesting position information from a positioning center;
receiving the identity of a position determining entity from the positioning center; and
messaging the position determining entity to determine position information.
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Accused Products
Abstract
Provided are improved systems, methods, and devices for IP-based location service (LCS). Using one or more IP-based protocols for LCS signaling efficiently re-uses existing, implemented, and reliable protocols and increases the robustness of the LCS signaling. Particular implementations of LCS messaging call flows make efficient use of wireless bandwidths and support IP-based LCS by organizing communications and signaling to limit required communications so that IP-based protocols may be used, rather than relying upon SS7 signaling and LCS-specific communication protocols.
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Citations
34 Claims
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1. A method for location service, comprising the steps of:
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activating a location service client for the location service;
requesting position information from a positioning center;
receiving the identity of a position determining entity from the positioning center; and
messaging the position determining entity to determine position information. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method for location service, comprising the steps of:
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activating a location service client for the location service;
requesting position information from a serving positioning center, wherein said step of requesting position information from the serving positioning center comprises the step of providing authentication information for permitting the serving positioning center to obtain authorization from a home positioning center to obtaining the requested position information;
receiving the identity of a position determining entity from the serving position center; and
messaging the position determining entity. - View Dependent Claims (12, 13)
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14. A method for location service, comprising the steps of:
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receiving a position request from a terminal for position information for the terminal;
authorizing the position request for the terminal; and
identifying a position determining entity to interact with the terminal to determine the position information for the terminal. - View Dependent Claims (15, 16, 17, 18, 19)
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20. A system capable of supporting location service, comprising:
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a client node;
one or more server nodes including a first server node, communicably connected to said client node;
a location-based application, interactively coupled to at least one of said client node and said first server node; and
a location service client communicably connected to at least one of said location-based application, said client node, and one of said server nodes, wherein said location-based application is capable of issuing a position information request, wherein said location service client is capable of being activated in response to the position information request from said location-based application, wherein said client node is capable of issuing a positioning request to one of said server nodes. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27)
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28. A client device, comprising:
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a controller for supporting location service for the client device and capable of interacting with a location-based application; and
a location service client communicably coupled to said controller and capable of activation upon receipt of a position information request from said location-based application, wherein said location service client is capable of transmitting a positioning request to a serving positioning center and receiving a response to the positioning request indicating the identity of a position determining entity to interact with said location service client to determine the position information requested by said location-based application. - View Dependent Claims (29, 30)
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31. A server, comprising:
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a controller capable of supporting location service for a mobile station, wherein said controller is capable of receiving a positioning request from the mobile station, authorizing the positioning request, authenticating the positioning request, and transmitting the identity of a position determining entity to the mobile station; and
memory communicably coupled to said controller and capable of storing information identifying the mobile station, and the identity of the position determining entity. - View Dependent Claims (32, 33, 34)
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Specification