NDLI: Experimental Investigation of 3-D Human Body Localization Using Wearable Ultra-Wideband Antennas

Content Provider	IEEE Xplore Digital Library
Author	Bharadwaj, R. Parini, C. Alomainy, A.
Copyright Year	1963
Abstract	This paper presents experimental investigations and analysis of ultra-wideband localization of body-worn antennas in an indoor environment. Three-dimensional (3-D) tracking of wearable antennas placed on the upper human body is achieved using a compact and cost-effective antenna and time of arrival (TOA) localization techniques. Various features such as rms delay spread, kurtosis, and signal amplitude have been used to classify the channel type between each antenna location and base station. Non-line-of-sight identification and mitigation techniques have been used to enhance the accuracy of the localization technique applied. Geometric dilution of precision of the base-station configuration and numerical analysis on the radiation patterns for different locations of the body-worn antenna has been studied in terms of variation in localization accuracy. High-accuracy 3-D localization results in the range of 1-2 cm are obtained with the antennas placed on the limbs and 1-3 cm for the torso region. The accuracy achieved is 3 times better than commercially available UWB localization and tracking systems. The significantly high-accuracy results obtained for all antenna locations demonstrate the reliability and suitability of UWB technology for various indoor tracking and localization applications in the fields of healthcare, sports, and well-being.
Sponsorship	IEEE Antennas and Propagation Society
Starting Page	5035
Ending Page	5044
Page Count	10
File Size	1656252
File Format	PDF
ISSN	0018926X
Volume Number	63
Issue Number	11
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Antenna measurements Delays Accuracy Indoor environments Ultra wideband antennas Ultra Wideband Technology Body-Worn Antenna Indoor Localisation Time of Arrival ultra-wideband (UWB) technology Body-worn antenna indoor localization time of arrival (TOA)
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electrical and Electronic Engineering

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