OPT - Online person tracking system for context-awareness in wireless personal network

An, X; Wang, J; Venkatesha Prasad, Ranga Rao; Niemegeers, I.G.M.M.

OPT - Online person tracking system for context-awareness in wireless personal network

Conference paper (2006)

Authors

X An International Research Centre for Telecommunication and Radar

J Wang International Research Centre for Telecommunication and Radar

Ranga Rao Venkatesha Prasad International Research Centre for Telecommunication and Radar

I.G.M.M. Niemegeers Wireless and Mobile Communications

Research Group

International Research Centre for Telecommunication and Radar

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Published Date

2006

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Research Group

International Research Centre for Telecommunication and Radar

Abstract

Context aware systems are the order of the day. With the advent of low cost sensor networks and systems ambient intelligence is becoming more and more sought after feature. In this work, we present an online person tracking (OPT) system for indoor environment which is aimed to provide location information to the context aware applications in personal network. We present our extensive measurments and experimental study of the popular Tmote-Sky devices which use IEEE 802.15.4 standard. We use our experimental results to design a prototype for a real-time person tracking system with minimal number of anchor motes. A weighted minimum mean square error (W-MMSE) localization algorithms is used in our system. This paper thoroughly records the efforts involved n designing and prototyping such a system.