Map-Aware Models for Indoor Wireless Localization Systems: An Experimental Study

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Provided by: Institute of Electrical & Electronic Engineers
Topic: Networking
Format: PDF
The accuracy of indoor wireless localization systems can be substantially enhanced by map-awareness, i.e., by the knowledge of the map of the environment in which localization signals are acquired. In fact, this knowledge can be exploited to cancel out, at least to some extent, the signal degradation due to propagation through physical obstructions, i.e., to the so called non-line-of-sight bias. This result can be achieved by developing novel localization techniques that rely on proper map aware statistical modeling of the measurements they process. In this paper, a unified statistical model for the measurements acquired in map-aware localization systems based on time-of-arrival and received signal strength techniques is developed and its experimental validation is illustrated.
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