High Performance Implementation of RSSI Based Wi-Fi Location Tracker for Android Applications

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Provided by: Journal of Theoretical and Applied Information Technology
Topic: Networking
Format: PDF
Wi-Fi-based Positioning System (WPS) is used where GPS is inadequate due to various causes including multipath and signal blockage indoors. Such systems include indoor positioning systems. The advantage of choosing Wi-Fi for a location based service is its high compatibility and frequency of availability. The majority of today's smart phones also have Wi-Fi connectivity. Newer revisions of Wi-Fi broadcast at the 2.4GHz frequency, allowing for signals to more easily travel through obstructions like doors and walls. Unlike other wireless technologies such as Bluetooth, Wi-Fi incorporates signal strength functions into all the firmware drivers and Application Programming Interfaces (APIs) which are defined by the manufacturers and backed by IEEE.2.
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