Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2008-04-15
2008-04-15
Trost, William (Department: 2617)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S411000, C340S539120, C709S229000, C726S002000, C726S004000
Reexamination Certificate
active
07359716
ABSTRACT:
A system, method and apparatus for providing location services whereby location determination and location disclosure are treated as separate and independent processes. Location determination may be performed (as necessary) via a first set of network entities to obtain location information for a mobile station. The location information may be cached for subsequent disclosure to any number of applications. Location disclosure may be performed (when requested) via a second set of network entities to provide the location information. Location determination may utilize a first security procedure for authorization and to obtain a first session key used for location determination. Location disclosure may utilize a second security procedure for authorization and to obtain a second session key used for location disclosure. For a roaming mobile station, location determination may be performed via a serving network and location disclosure may be performed via a home network.
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Burroughs Kirk
Rowitch Douglas
Bachand Rich
Ewart James D
Gunderson Linda G.
Rouse Thomas
Trost William
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