In the recent years, the number of smartphone users has increased dramatically every year. Smartphones produce a variety of services including indoor navigation and tracking using the Received Signal Strength Indicator (RSSI) value of the Wi-Fi (Wireless Fidelity) routers to estimate user position. In this research, we developed a navigation and tracking system using a Fingerprint map and k-Nearest Neighbor (k-NN) algorithm. In that way, we can help the user to go through the nearest path to user destination by using Dijkstra’s algorithm. These features are displayed in the form of an RSSI-based navigation application on an Android smartphone. At the same time, estimated position of user of this navigation app will be sent to server and viewed in a real time website application. This system helps to assist visitors in finding their way in a complex building and at the same time it allows building owners record and analyze visitor movement. One key benefit of the system is its low initial cost. It only utilizes the existing Wi-Fi infrastructure. Experimental results show that this system can reach an accuracy up to 78% and distance errors less than 3 meters.
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