Telecommunications – Radiotelephone system – Security or fraud prevention
Reexamination Certificate
2003-12-22
2008-09-16
Parthasarathy, Pramila (Department: 2136)
Telecommunications
Radiotelephone system
Security or fraud prevention
C455S410000
Reexamination Certificate
active
07426383
ABSTRACT:
A intrusion detection method is disclosed for use in a wireless local area data communications system, wherein mobile units communicate with access points, and wherein the system is arranged to locate transmitters using signals transmitted by the transmitters. A database relating authorized transmitters to location is maintained. Selected signals are detected at the access points and location data corresponding to the selected signals for use in locating a source of the signals is recorded. The source location is determined using the location data, and the source location is compared to a corresponding location in the database. An alarm is signaled if the source location is inconsistent with the corresponding database location.
REFERENCES:
patent: 2003/0195814 (2003-10-01), Striemer
Goren Dave
Sharony Jacob
Wang Huayan Amy
Willins Bruce
Fay Kaplun & Marcin LLP
Parthasarathy Pramila
Symbol Technologies Inc.
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