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On probing signal design for MIMO radar
Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Information Technology, Automatic control.
2007 (English)In: IEEE Transactions on Signal Processing, ISSN 1053-587X, E-ISSN 1941-0476, Vol. 55, no 8, 4151-4161 p.Article in journal (Refereed) Published
Abstract [en]

A multiple-input multiple-output (MIMO) radar system, unlike a standard phased-array radar, can choose freely the probing signals transmitted via its antennas to maximize the power around the locations of the targets of interest, or more generally to approximate a given transmit beampattern, and also to minimize the cross-correlation of the signals reflected back to the radar by the targets of interest. In this paper, we show how the above desirable features can be achieved by designing the covariance matrix of the probing signal vector transmitted by the radar. Moreover, in a numerical study, we show that the proper choice of the probing signals can significantly improve the performance of adaptive MIMO radar techniques. Additionally, we demonstrate the advantages of several MIMO transmit beampattern designs, including a beampattern matching design and a minimum sidelobe beampattern design, over their phased-array counterparts.

Place, publisher, year, edition, pages
2007. Vol. 55, no 8, 4151-4161 p.
Keyword [en]
Lateral lobe, Adaptive method, Performance evaluation, Covariance matrix, Radar target, Wave reflection, Cross correlation, Target detection, Phased array antenna, MIMO system, Phased array radar, Signal processing
National Category
Computer and Information Science
URN: urn:nbn:se:uu:diva-13462DOI: 10.1109/TSP.2007.894398ISI: 000248352800018OAI: oai:DiVA.org:uu-13462DiVA: diva2:41232
Available from: 2008-01-23 Created: 2008-01-23 Last updated: 2011-02-04Bibliographically approved

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