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DIRECTION OF ARRIVAL ESTIMATION OF UNKNOWN NUMBER OF WIDEBAND SIGNALS IN UNATTENDED GROUND SENSOR NETWORKS
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, The Institute of Technology.
Lund University.
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, The Institute of Technology.
2013 (English)Conference paper, Published paper (Refereed)
Abstract [en]

Unattended Ground Sensor Networks (UGSN) are be- coming increasingly popular for surveillance and situ- ational awareness applications. Acoustic sensors can be used in UGSN to detect and to classify targets, and these sensors are cost efficient, easy to deploy, and above all, non-jammable since they are passive. An array of acoustic sensors can detect multiple sound sources and determine the direction of arrival (DOA), and the network can deal with the multi-sensor multi- target tracking. This contribution focuses on DOA estimation of wideband sources, such as vehicles. We develop a coherent DOA estimation method by taking advantage of the spatial sparsity of the wideband acous- tic sources as a prior information, as an extension to the recently proposed SPICE method for narrowband sources. The method has been tested on both simulated data and field test data with different vehicles with very good performance compared to other state of the art methods.

Place, publisher, year, edition, pages
2013. 685-690 p.
Keyword [en]
Sensor networks, target tracking, direction of arrival, estimation, acoustic sensors
National Category
Signal Processing Control Engineering
Identifiers
URN: urn:nbn:se:liu:diva-96772ISI: 000341370000091ISBN: 978-605-86311-1-3 (print)OAI: oai:DiVA.org:liu-96772DiVA: diva2:643286
Conference
International Conference on Information Fusion 2013
Projects
Mc Impulse
Funder
EU, FP7, Seventh Framework Programme
Available from: 2013-08-26 Created: 2013-08-26 Last updated: 2014-10-14Bibliographically approved

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CiteExportLink to record
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