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Optimization of the Receive Filter and Transmit Sequence for Active Sensing
Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Information Technology, Division of Systems and Control. Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Information Technology, Automatic control.
2012 (English)In: IEEE Transactions on Signal Processing, ISSN 1053-587X, E-ISSN 1941-0476, Vol. 60, no 4, 1730-1740 p.Article in journal (Refereed) Published
Abstract [en]

This paper discusses the joint design of receive filters and transmit signals for active sensing applications such as radar and active sonar. The goal is to minimize the mean-square error (MSE) of target's scattering coefficient estimate in the presence of clutter and interference, which is equivalent to maximizing the signal-to-clutter-plus-interference ratio. A discrete-time signal model is assumed and practical constant-modulus or low peak-to-average-power ratio (PAR) constraints are imposed on the transmit signal. Several optimization methods are proposed for this joint design. Furthermore, the MSE criterion is expressed in the frequency domain and a corresponding MSE lower bound is derived. Numerical examples for different types of interferences are included to demonstrate the effectiveness of the proposed designs.

Place, publisher, year, edition, pages
2012. Vol. 60, no 4, 1730-1740 p.
Keyword [en]
Cognitive radar, joint design, probing signal, receive filter
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:uu:diva-172807DOI: 10.1109/TSP.2011.2179652ISI: 000301355500015OAI: oai:DiVA.org:uu-172807DiVA: diva2:516355
Available from: 2012-04-18 Created: 2012-04-16 Last updated: 2017-12-07Bibliographically approved

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Stoica, Petre

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