Precise Location Tracking
The Cisco Wireless Location Appliance uses RF fingerprinting technology to track mobile devices to within a few meters. This allows you to gain visibility into the location of people and assets. In addition, RF fingerprinting technology enables you to respond to security issues and thereby gain insight into the location and movement of people and assets, as well as locating rogue wireless access points.
The Cisco Wireless Location Appliance supports two location tracking options:
• On-demand location tracking: The user queries the location of the person or wireless device.
• Simultaneous location tracking: This automatically tracks up to thousands of 802.11 wireless devices by adding a Cisco Wireless Location Appliance in conjunction with a Cisco WCS.
TIP It is recommended that you become familiar with the different methodologies used for location tracking and that you deploy these solutions within your network. Conventionally, many have used three different methods for locating wireless users or devices: closest access point, triangulation, and RF fingerprinting. As previously mentioned, the Cisco Wireless Location Appliance uses RF fingerprinting. A whitepaper explaining each methodology is located at http://www.cisco.com/en/US/products/ps6386/ products_white_paper0900aecd80477957.shtml.
Continue reading here: Network Admission Control NAC in Wireless Networks
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