Terminal status discovery in secure user plane location positioning procedure
First Claim
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1. A network element for exchanging messages with mobile terminals over a user plane data bearer for determining locations of the mobile terminals, the network element comprising:
- receiving means for receiving a location request requesting a location of a mobile terminal;
querying means for querying a database or location register associated with the mobile terminal about status information of the mobile terminal; and
determining means for determining, based on the status information queried by the querying means, whether to initiate a session with the mobile terminal for determining the location of the mobile terminal, wherein the querying means is configured to query the database or location register when the location request is received by the receiving means.
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Abstract
Upon receiving a location request for a mobile terminal, the status of the mobile terminal is discovered before initiating a SUPL positioning procedure. For this purpose, status information is retrieved from a database or location register outside SUPL and it is determined from the status information whether a SUPL session can be established with the mobile terminal.
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Citations
19 Claims
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1. A network element for exchanging messages with mobile terminals over a user plane data bearer for determining locations of the mobile terminals, the network element comprising:
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receiving means for receiving a location request requesting a location of a mobile terminal;
querying means for querying a database or location register associated with the mobile terminal about status information of the mobile terminal; and
determining means for determining, based on the status information queried by the querying means, whether to initiate a session with the mobile terminal for determining the location of the mobile terminal, wherein the querying means is configured to query the database or location register when the location request is received by the receiving means. - View Dependent Claims (2, 3, 4, 5)
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6. A method of exchanging messages with mobile terminals over a user plane data bearer for determining locations of the mobile terminals, the method comprising the steps of:
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receiving a location request requesting a location of a mobile terminal;
querying a database or location register associated with the mobile terminal about status information of the mobile terminal when the location request is received; and
determining based on the status information whether to initiate a session with the mobile terminal for determining the location of the mobile terminal. - View Dependent Claims (7, 8, 9)
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10. A computer program product embodied on a computer-readable medium, including a program for a processing device, comprising software code portions for performing steps when the program is run on the processing device, the steps comprising:
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receiving a location request requesting a location of a mobile terminal;
querying a database or location register associated with the mobile terminal about status information of the mobile terminal when the location request is received; and
determining based on the status information whether to initiate a session with the mobile terminal for determining the location of the mobile terminal. - View Dependent Claims (11, 12, 13, 14)
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15. A network element for exchanging messages with mobile terminals over a user plane data bearer for determining locations of the mobile terminals, the network element comprising:
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a receiver configured to receive a location request requesting a location of a mobile terminal;
a questioner configured to query a database or location register associated with the mobile terminal about status information of the mobile terminal; and
a determiner configured to determine, based on the status information queried by the questioner, whether to initiate a session with the mobile terminal for determining the location of the mobile terminal, wherein the questioner is configured to query the database or location register when the location request is received by the receiver. - View Dependent Claims (16, 17, 18, 19)
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Specification