Multiplex communications – Communication over free space – Having a plurality of contiguous regions served by...
Reexamination Certificate
2004-11-19
2008-11-04
Harper, Vincent P (Department: 2617)
Multiplex communications
Communication over free space
Having a plurality of contiguous regions served by...
Reexamination Certificate
active
07447184
ABSTRACT:
Methods and systems for detecting a masquerading wireless device in a local area network are provided. The method includes receiving a first packet and a second packet. Preferably, the first packet includes a first identity information and a first time information, and the second packet includes a second identity information and a second time information. The method can compute, using the first time information, a first approximation to a starting time of a wireless device associated with the first identity information. The method can also compute, using the second time information, a second approximation to a starting time of a wireless device associated with the second identity information. The method further includes determining whether a masquerading wireless device is present in the local area network based on at least the first and second approximations.
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Bhagwat Pravin
Kharvandikar Shrinivas
AirTight Networks
AirTight Networks, Inc.
Au Gary
Chaskar Hemant M.
Harper Vincent P
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