The document discusses an indoor/outdoor positioning system called AINDOOR GPS that uses smartphone sensors and WiFi positioning to provide accurate location services both indoors and outdoors. It notes that AINDOOR GPS can compete with standalone GPS outdoors and improve GPS positioning in urban areas. The system provides a seamless indoor-outdoor positioning solution and interested parties are encouraged to contact the provider for an app or API.

1. versus
GPS http://ainsi.pro

2. ●Smartphone
MEMS sensors
compute accurate
speed
●Sensors biases
cause drift but
short term
positioning
not so bad
GPS
AINDOOR GPS http://ainsi.pro

3. ●Positioning
using the
smartphone
MEMS sensors +
Wifi positioning
●Partial Wifi
coverage due to
rural
environment
GPS
AINDOOR GPS
http://ainsi.pro
Wifi beacons

4. ● Positioning
using the
smartphone
MEMS sensors
+MapMatching
GPS
AINDOOR GPS http://ainsi.pro

5. i
These examples on a 1000 yards' walk clearly show that
can compete with GPS outdoors.
aINDOOR GPS even improves GPS positioning in urban canyons.
Provides a seamless
indoor outdoor positioning.
http://ainsi.pro

6. You want to get the best of all worlds (GPS, Wifi, dead
reckoning....)
So, why not choose
Please contact us if you need an app or an API
contact@ainsi.pro
http://ainsi.pro

7. You want to get the best of all worlds (GPS, Wifi, dead
reckoning....)
So, why not choose
Please contact us if you need an app or an API
contact@ainsi.pro
http://ainsi.pro