Avoidance of channel interference in polygonal IoT networks

One of the popular methods studied for indoor positioning is based on Wi‐Fi signal strength. But distance decisions using signal strength show not only intuitive results but also irregular results. Some sensors are used to increase the correctness of indoor positioning. Compass sensors and laser sensors were proven to be good additional methods for better positioning in a Wi‐Fi–based system. The main role of Wi‐Fi access points (APs) in indoor positioning is making the preliminary decision using received signal strength indicator (RSSI) signals and providing the infrastructure for communications.

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