A Wireless Dead Reckoning Pedestrian Tracking System

摘要: The ability to track the position of user is an essential part many applications [7, 4, 2]. It well known that Global Positioning System (GPS) limited as a navigation aid by its inability provide static heading and lack availability when used around obstructions (terrain or man-made) in presence jamming. Therefore, it necessary develop positioning system which can complement GPS GPS-compromised areas, not trivial task. With advances computation, communication sensing capabilities, large scale sensor-based distributed environments are emerging predominant mobile computing infrastructure [1]. Hundreds thousands small, inexpensive low-power sensors, such Berkeley Motes [5], be quickly deployed monitor vast field. In this work we make use new product innovations build pedestrian tracking (PTS) capable working either indoors outdoors. Fig. 1 illustrates architecture. involves Dead Reckoning (DR) module, self-organizing wireless networks (sensor mote network) map database. reckoning DR modules determine their positions trajectories, sensor network collect trajectory data them available at base station for further processing. module consists Leica Geosystems DMC-SX three axes accelerometer magnetic compass (Leica Vectronix AG [6]) combined with generic controller board, radio, processing power storage all integrated. board nodes both opensource TinyOS. following, call unit NavMote, node, NetMote. NetMotes play critical role NavMote calibration, collection exfiltration, via links. collected exfiltrated information center displaying, matching, other purposes.