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The present invention provides an improved technique for location detection using wireless networks such as Wi-Fi networks. In one aspect, the present invention provides loca tion detection in a flexible, configurable manner that allows for variations in the environment and tracks target movement accurately in Such an environment. The invention is thus well Suited to determining indoor location-based information. In one aspect, the invention provides mechanisms that adjust detection accuracy and sensitivity, and that allow for control over the radius of detection.

In one aspect, the invention operates to detect the location of Wi-Fi-enabled mobile devices, and is therefore able to track devices that operate using IEEE 802.11 standards. The invention has many applications, including for example the ability to transmit targeted advertising based on a detected location within a defined space. Thus, for example, a shopper …