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Nonuniform linear antenna arrays minimising Cramér-Rao bounds for joint estimation of single source range and direction of arrival
KTH, School of Electrical Engineering (EES), Communication Theory. George Washington University, United States .
2005 (English)In: IEE Proceedings-Radar Sonar and Navigation, Institution of Electrical Engineers (IEE), 2005, no 4, 225-231 p.Conference paper, Published paper (Refereed)
Abstract [en]

Different antenna placements in nonuniform linear arrays for the joint estimation of the range and direction-of-arrival (DOA) of one source are considered. It is shown that the Cramér-Rao bound (CRB) for the range and DOA estimates can be expressed as a function of the angles at which the source sees the antennas. This new formulation of the CRB easily reveals the geometrical properties that the array should have in order to minimise the CRB. Based on the new representation of the CRB, a result found in the literature (which was concerned with the special case of a number of antennas that is divisible by four) is generalised to include the case of an arbitrary number of antennas. Furthermore, it is shown that symmetric arrays are close to uniformly optimal for different DOAs when the range is much larger than the aperture of the arrays.

Place, publisher, year, edition, pages
Institution of Electrical Engineers (IEE), 2005. no 4, 225-231 p.
Series
IEE Proceedings: Radar, Sonar and Navigation, ISSN 1350-2395 ; 152
Keyword [en]
Antenna placements, Geometrical properties, Linear arrays, Symmetric arrays, Communication systems, Radar systems, Signal detection, Sonar, Antenna arrays
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-156692DOI: 10.1049/ip-rsn:20045051ISI: 000233862400001Scopus ID: 2-s2.0-24144462484OAI: oai:DiVA.org:kth-156692DiVA: diva2:768094
Conference
International Symposium on Electromagnetic Theory, May 23-27, 2004, Pisa, Italy
Note

QC 20141203

Available from: 2014-12-03 Created: 2014-12-02 Last updated: 2014-12-03Bibliographically approved

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CiteExportLink to record
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  • apa
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Output format
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