Multiplex communications – Communication over free space – Combining or distributing information via time channels
Reexamination Certificate
2011-04-19
2011-04-19
Desir, Pierre-Louis (Department: 2617)
Multiplex communications
Communication over free space
Combining or distributing information via time channels
C370S332000, C370S338000, C370S232000, C370S395200, C455S410000, C709S223000, C709S224000
Reexamination Certificate
active
07929513
ABSTRACT:
A wireless local area network access point (WAP) includes a transceiver, a controller, and a security unit. The transceiver communicates messages with an end-point communication device through a wireless air interface in a defined frequency band. The controller receives through the transceiver a connection request message containing a password from the end-point communication device, authenticates the received password, and responds to the authentication by transmitting through the transceiver to the end-point communication device an encryption key as a connection response message. The security unit generates a security alert based on measured characteristics of one or more received connection request messages and/or based on measured characteristics of interfering signals in the defined frequency band.
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AT&T Intellectual Property I, LP
Desir Pierre-Louis
Myers Bigel Sibley & Sajovec P.A.
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