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Determining User Location For Context Aware Computing Through the Use of a Wireless LAN Infrastructure

Determining the location of a mobile computer user has several applications. We have developed and demonstrated a person locator using the wireless network infrastructure at Carnegie Mellon University to accomplish this task. A user’s location can be determined both indoors and outdoors while on campus, and at a higher resolution than the Global Positioning System. The system requires a minimum of extra hardware but results in a high degree of accuracy.