Indoor Positioning System
- Indoor Positioning System
Indoor Positioning Systems (IPS) locate and track objects in buildings. These may be pre-tagged objects, or discovered objects. Examples of tagged objects are patients or equipment in a hospital. Examples of discovered objects are people in burning buildings or soldiers on a battlefield. [ [http://uk.reuters.com/article/topNews/idUKL1263470020071212 New satellite navigation system may save firefighters] ] .
Global Positioning Systems are not suitable to establish indoor locations, since their microwaves can be scattered by roofs, walls and other objects. An IPS uses other radio technology, infrared, or ultrasound, to overcome this limitation. Infrared and ultrasound are useful in environments where wireless radio frequencies may interfere with critical equipment. [ [http://aurmoth.blogspot.com/2008/01/indoor-positioning-system-ips-goes.html Indoor positioning system (IPS), goes where GPS can't] ]
References
Common technologies
* Ultrasound Identification (USID)
* Radio-frequency identification (RFID)
* Infrared (IR)
* Wi-Fi
* Ultra-wideband (UWB)
ee also
* Real Time Location System (RTLS)
* Real-time locating (RTLS)
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