Accuracy of iPhone Locations: A Comparison of Assisted GPS, WiFi and Cellular Positioning

Abstract

The 3G iPhone was the first consumer device to provide a seamless integration of three positioning technologies: Assisted GPS (A-GPS), WiFi positioning and cellular network positioning. This study presents an evaluation of the accuracy of locations obtained using these three positioning modes on the 3G iPhone. A-GPS locations were validated using surveyed… (More)

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