Telecommunications – Radiotelephone system – Security or fraud prevention
Patent
1996-06-10
1999-09-07
Urban, Edward F.
Telecommunications
Radiotelephone system
Security or fraud prevention
455411, 455 671, H04Q 700
Patent
active
059501219
ABSTRACT:
A method and apparatus for fraud control in cellular telephone systems. The invention identifies relative fraud probabilities for call records from the cellular telephone system, associates the call records with radio frequency (RF) signatures, and identifies the radio frequency signatures as being fraudulent or valid based on the relative fraud probabilities for the associated call records.
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Daniels David L.
Kaminsky William J.
Kennedy Mary H.
Sanpore Jeffrey G.
AirTouch Communications, Inc.
Nguyen Thuan T.
Urban Edward F.
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