The first objective of our Indoor Navigation System is to self-trace a device using only sensors embedded in the smarthphone (Android) and with a network connection. No other devices or hardware like radio beacons or body-worn sensors are expected to be installed. The second goal is to provide a turn-by-turn navigation to guide the user from a point to another inside a large building.
In the current prototype only inertial sensors are used (gyroscope, accelerometer). To know more internals please ask but depending on questions we would need a NDA signed from your organization.
The system is under development and not yet ready for commercial exploitation. We have tested the application on a pilot installations to improve several aspect of the system. Actually are available the open source Indoor Navigation Libraries for Android smartphones.

QR are used to start a session of use or to checkin a position in a existing session. This may consist in downloading a map from a remote server and/or to re-adjust the actual position resetting the error cumulated until the "check point".

The main goal is to have a low-cost system using only a common modern smartphone, but the accuracy and the reliability of tracking is lower if compared with an infrastructure-rich positioning system. Consider that, at this time, the target accuracy of our system is not the centimeter nor the meter, we're satisfied enough if it is able to determine if a person is in a given room rather than in another.
The system is calibrated on the "walking" movement pattern. The "walking" produces an acceleration pattern which we use to determine the step ahead. Thus crawling, running and jumping may produce unexpected results.
Movements are map-constrained (no people going through walls).
The business model is not to sell licenses of the software. More details about the business model cannot be disclosed here. Actually are available only the open source Indoor Navigation Libraries for Android smartphones.
Our prototipe has been developed on Android devices that support gyroscope and accelerometer sensors.
If you are interested in testing the app as alpha user you need an Android device (2.2 version at least) with gyroscope, accelerometer and, obviously, Internet connectivity. If your device meets these requirements please send us the model you're going to use, a digital map of a place you want to perform the test with the "azimuth angle" (the angle between the SOUTH-NORTH line and the DOWN-UP line of the indoor map) and (optionally) the address of the building (so we can check the azimuth angle with google maps). At any time we can decide to block the device from the service. The terms of an evaluation license must be accepted before using the service.
Yes, actually are available the open source Indoor Navigation Libraries for Android smartphones, you can integrate it in your project. Keep in mind that , for some modules, is necessary to provide venue data in our established format. Please contact us for more details.

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