Wireless perimeter security device and network using same

Details Wireless perimeter security device and network using same Wireless perimeter security device and network using same

2008-03-25

2008-03-25

Zand, Kambiz (Department: 2134)

Cryptography

Key management

C726S011000

Reexamination Certificate

active

07349544

ABSTRACT:
A Radio Frequency based security system for providing security for wireless Local Area Networks (WLAN) that allows the creation and maintenance of arbitrarily shaped secure wireless access areas with boundaries around said wireless Local Area Network and prevents access to the said wireless LAN from outside the perimeter of the secure area. The system includes a plurality of perimeter Radio Frequency Sentry Devices (RFSDs) that are employed to establish the boundaries of said secure area around said wireless LAN. The wireless LAN being secured may be an industry standard IEEE 802.11a, 801.11b or 802.11g based wireless LAN or any other wireless LAN that uses packet based communication protocols. The said RFSDs may be stand-alone devices or they may be connected to a wired or wireless Local Area Network.This radio frequency based security system may also be employed to create arbitrarily shaped “no-WLAN” areas whereby any wireless networking device within said “no-WLAN” area will be unable to access any wireless LAN that might be in operation outside the boundary of the secure area.

REFERENCES:
patent: 2003/0143954 (2003-07-01), Dettinger et al.
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patent: 2005/0042999 (2005-02-01), Rappaport
patent: 2005/0075070 (2005-04-01), Crilly, Jr.
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patent: 2 388 275 (2003-05-01), None

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