Wireless perimeter security device and network using same
US7349544B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 21, 2004 |
| Grant date | Mar 25, 2008 |
| Priority date | — |
| Expiry date | Dec 31, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY04S40/20
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.