|2/2010 - 11|
Time of Arrival Based on Chirp Pulses as a means to Perform Localization in IEEE 802.15.4a Wireless Sensor NetworksVan NIEUWENHUYSE, A. , WYFFELS, J. , GOEMAERE, J.-P. , De STRYCKER, L. , NAUWELAERS, B.
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Chirp Pulses, localization, RF, Time Of Arrival, Wireless Sensor Networks
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About this article
Date of Publication: 2010-05-31
Volume 10, Issue 2, Year 2010, On page(s): 65 - 70
ISSN: 1582-7445, e-ISSN: 1844-7600
Digital Object Identifier: 10.4316/AECE.2010.02011
Web of Science Accession Number: 000280312600011
SCOPUS ID: 77954634861
This paper introduces the technology Time of Arrival (TOA) based on chirp pulses (according to IEEE 802.15.4a) as a means to perform localization in Wireless Sensor Networks (WSN's) active at 2.4 GHz. Advantages and disadvantages of the technology are discussed and act as a guideline for improving localization accuracy. Tests concerning TOA are performed by means of the location engine of Nanotron. Adapting this engine leads to improved localization results. It is shown that TOA measurements are susceptible to reflections and dynamic environments.
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