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SubPos: a WiFi Positioning Solution for Places GPS Can’t Reach

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SubPos is an indoor positioning system that can be used in various environments such as metro lines, shopping malls, carparks, art galleries or even conference centers; essentially anywhere GPS doesn’t penetrate. It could also be integrated into an array of IoT enabled devices, from access points to Wi-Fi enabled light-bulbs.

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When the world’s lifeforms are forced into subterranean dwellings due to nuclear fallout, evolution into lizard people or warming of the Earth, we will require a simple method for determining our position underground. In our current age, we are still working out the intricacies associated with determining our location in areas where GPS cannot reach.

SubPos provides a solution to this problem, without the need for expensive licencing, specialised hardware, laborious area profiling or relying on data connectivity (a connection to a location database or cellphone coverage is not required), all while remaining backwards compatible with existing Wi-Fi access points and receivers. It works independently of, or alongside GPS/Wi-Fi Positioning Systems (WPS)/Indoor Positioning Systems (IPS) as an additional positioning data source by exploiting hardware commonly available. All a user wishing to determine their location underground/indoors will require is a Wi-Fi enabled device.

Check out the full project here on Hackaday.io; receiver module source is here on GitHub.

Via the OSH Park blog.


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