NDLI: Indoor localization system for emergency responders with ultra low-power radio landmarks

Content Provider	IEEE Xplore Digital Library
Author	Simon, N. Bordoy, J. Hoflinger, F. Wendeberg, J. Schink, M. Tannhauser, R. Reindl, L. Schindelhauer, C.
Copyright Year	2015
Description	Author affiliation: Dept. of Comput. Sci., Univ. of Freiburg, Freiburg, Germany (Bordoy, J.; Wendeberg, J.; Schindelhauer, C.) \|\| Dept. of Microsyst. Eng., Univ. of Freiburg, Freiburg, Germany (Simon, N.; Hoflinger, F.; Schink, M.; Tannhauser, R.; Reindl, L.)
Abstract	In this paper we present a novel indoor localization approach based on 868MHz radio landmarks and inertial sensor data as a guidance system for emergency responders. For the first time we use low-power wake-up technology to develop real-time capable landmarks that overcome the problem of limited landmark lifetime. While in sleep mode our landmarks have an overall power consumption of 5.6μW making them ready-to-use in case of an emergency for up to 8 years. The landmarks are small and cost-efficient and may be integrated into the building infrastructure, e.g. into smoke detectors. Additionally, we have developed a handheld device for firefighters which communicates with our landmarks by an initial radio wake-up call and subsequent measuring of the received signal strength (RSSI) of the response. The measurements are used as an input to estimate and display the positions of the firefighter and the landmarks using local optimization algorithms. Furthermore, our handheld device communicates with a body-mounted wireless micro-inertial measurement unit (μIMU) to receive the angular rate, acceleration and magnetic field information in all three dimensions improving the accuracy of positioning. With this easy-to-setup guidance system emergency forces can be more effective, and the duration of rescue operations is reduced, hereby improving both the safety of rescue forces and increasing the chances of disaster victims.
Starting Page	309
Ending Page	314
File Size	827330
Page Count	6
File Format	PDF
ISBN	9781479961146
DOI	10.1109/I2MTC.2015.7151285
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-05-11
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wireless communication Wireless sensor networks RSSI Handheld computers Indoor localization Receivers Position measurement On-demand wake-up Low power Mathematical model Optimization Wake-up receiver
Content Type	Text
Resource Type	Article

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