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Article: Direction finding in MIMO radar with unknown transmitter and/or receiver gains and phases

TitleDirection finding in MIMO radar with unknown transmitter and/or receiver gains and phases
Authors
KeywordsMultiple-input multiple-output (MIMO) radar
Direction finding
Direction-of-arrival (DOA)
Gain and phase uncertainties
Calibration
Issue Date2017
PublisherSpringer New York LLC. The Journal's web site is located at http://springerlink.metapress.com/openurl.asp?genre=journal&issn=0923-6082
Citation
Multidimensional Systems and Signal Processing, 2017, v. 28 n. 2, p. 691-707 How to Cite?
AbstractThis paper addresses the problem of direction finding in multiple-input multiple-output radars with unknown transmitter and/or receiver gains and phases. Three different cases are considered and the corresponding methods for determining the direction-of-arrivals (DOAs) of multiple targets are presented. In the first case, the transmitter is well calibrated, but the receiver is uncalibrated with unknown gains and phases. On the contrary, the second case assumes that the receiver is well calibrated, whereas the transmitter is not. In the third case, the transmitter is uncalibrated, and the receiver is partly calibrated, i.e. only a portion of the receiver array is well calibrated and the remaining sensor elements have gain and phase uncertainties. For the first two cases, it is shown that a type of determinant-based or eigenvalue-based spectral can be utilized to determine the DOAs. For the third one, an ESPRIT-like algorithm is developed. Numerical examples are provided to validate the proposed methods and the results show that these methods are insensitive to the unknown gains and phases.
Persistent Identifierhttp://hdl.handle.net/10722/307667
ISSN
2023 Impact Factor: 1.7
2023 SCImago Journal Rankings: 0.499
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorLiao, B-
dc.contributor.authorChan, SC-
dc.date.accessioned2021-11-12T13:36:03Z-
dc.date.available2021-11-12T13:36:03Z-
dc.date.issued2017-
dc.identifier.citationMultidimensional Systems and Signal Processing, 2017, v. 28 n. 2, p. 691-707-
dc.identifier.issn0923-6082-
dc.identifier.urihttp://hdl.handle.net/10722/307667-
dc.description.abstractThis paper addresses the problem of direction finding in multiple-input multiple-output radars with unknown transmitter and/or receiver gains and phases. Three different cases are considered and the corresponding methods for determining the direction-of-arrivals (DOAs) of multiple targets are presented. In the first case, the transmitter is well calibrated, but the receiver is uncalibrated with unknown gains and phases. On the contrary, the second case assumes that the receiver is well calibrated, whereas the transmitter is not. In the third case, the transmitter is uncalibrated, and the receiver is partly calibrated, i.e. only a portion of the receiver array is well calibrated and the remaining sensor elements have gain and phase uncertainties. For the first two cases, it is shown that a type of determinant-based or eigenvalue-based spectral can be utilized to determine the DOAs. For the third one, an ESPRIT-like algorithm is developed. Numerical examples are provided to validate the proposed methods and the results show that these methods are insensitive to the unknown gains and phases.-
dc.languageeng-
dc.publisherSpringer New York LLC. The Journal's web site is located at http://springerlink.metapress.com/openurl.asp?genre=journal&issn=0923-6082-
dc.relation.ispartofMultidimensional Systems and Signal Processing-
dc.subjectMultiple-input multiple-output (MIMO) radar-
dc.subjectDirection finding-
dc.subjectDirection-of-arrival (DOA)-
dc.subjectGain and phase uncertainties-
dc.subjectCalibration-
dc.titleDirection finding in MIMO radar with unknown transmitter and/or receiver gains and phases-
dc.typeArticle-
dc.identifier.emailChan, SC: scchan@eee.hku.hk-
dc.identifier.authorityChan, SC=rp00094-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1007/s11045-015-0368-x-
dc.identifier.scopuseid_2-s2.0-84944937774-
dc.identifier.hkuros329429-
dc.identifier.volume28-
dc.identifier.issue2-
dc.identifier.spage691-
dc.identifier.epage707-
dc.identifier.isiWOS:000394367700016-
dc.publisher.placeUnited States-

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