Comparing the effects of various smartphones on the accuracy of Wi-Fi based proximity estimation approaches in an outdoor setting
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Abstract
Proximity estimation is a task that estimates the distance between a reference point and a selected object. It allows for the possibility of creating applications that are based on proximity from a reference point. With increased penetration of multiple sensor smartphones, it is possible to utilize one of the many built-in sensors for proximity estimation. Usable approaches include the Global Positioning System (GPS), Bluetooth Low-Energy (BLE), and Wi-Fi approaches in proximity estimation. The paper explores current approaches before expanding on utilization of Wi-Fi approaches to proximity estimation in a practical outdoor field test using multiple smartphones and mobile devices to examine their suitability and issues that may arise when utilizing these methods.
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