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Multi-Channel Two-way Time of Flight Sensor Network Ranging
Number of Authors: 4
2012 (English)Conference paper (Refereed)
Abstract [en]

Two-way time of flight (ToF) ranging is one of the most interesting approaches for localization in wireless sensor networking since previous ToF ranging approaches using commercial off-the-shelf (COTS) devices have achieved good accuracy. The COTS-based approaches were, however, evaluated only in line-of-sight conditions. In this paper, we extend ToF ranging using multiple IEEE 802.15.4 channels. Our results demonstrate that with multiple channels we can achieve good accuracy even in non line-of-sight conditions. Furthermore, our measurements suggest that the variance between different channels serves as a good estimate of the accuracy of the measurements, which can be valuable information for applications that require localization information.

Place, publisher, year, edition, pages
2012, 12.
National Category
Computer and Information Science
URN: urn:nbn:se:ri:diva-16260OAI: diva2:1038284
9th European Conference on Wireless Sensor Networks, (EWSN 2012)
Available from: 2016-10-18 Created: 2016-10-18

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Pettinato, PaoloWirström, NiklasVoigt, Thiemo
Computer and Information Science

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