Method and apparatus for fraud control in cellular telephone systems
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United States of America Patent
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-
Apr 17, 2001
Grant Date -
N/A
app pub date -
Feb 24, 1999
filing date -
Jun 29, 1993
priority date (Note) -
In Force
status (Latency Note)
Importance
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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