Telecommunications – Radiotelephone system – Security or fraud prevention
Reexamination Certificate
2007-02-13
2007-02-13
Appiah, Charles (Department: 2617)
Telecommunications
Radiotelephone system
Security or fraud prevention
C455S414100, C455S414300, C713S170000, C713S171000
Reexamination Certificate
active
10513502
ABSTRACT:
In a radio communication system with at least one radio network control device, at least one base station is connected to at least one user station by a radio communication interface. The base station(s) and the radio network control device are components of a base station subsystem. The radio network control device is connected to an access device for a core network. The radio network control device and the user station(s) have a service specific key that is preferably valid for several user stations, or in other words, the service specific key is not user specific.
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International Search Report mailed Jul. 4, 2003 for International Application No. PCT/EP03/04576.
Hofmann Jürgen
Schniedenharn Jörg
Wehmeier Lars
Appiah Charles
Holliday Jaime M.
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