Two-channel passive detection of cyclostationary signals

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dc.contributor.author Horstmann, Stefanie
dc.contributor.author Ramírez García, David
dc.contributor.author Schreier, Peter J.
dc.date.accessioned 2020-12-04T15:49:16Z
dc.date.available 2020-12-04T15:49:16Z
dc.date.issued 2020-05-01
dc.identifier.bibliographicCitation IEEE Transactions on Signal Processing, (2020), v. 68, pp.: 2340-2355.
dc.identifier.issn 1053-587X
dc.identifier.uri http://hdl.handle.net/10016/31542
dc.description.abstract This paper considers passive detection of a cyclostationary signal in two multiple-input multiple-output (MIMO) channels. The passive detection system consists of an illuminator of opportunity (IO), a reference array, and a surveillance array, each equipped with multiple antennas. As common transmission signals of the IO are cyclostationary, our goal is to detect the presence of cyclostationarity at the surveillance array, given observations from both channels. To this end, we analyze the existence of optimal invariant tests, and we derive an alternative and more insightful expression for a previously proposed generalized likelihood ratio test (GLRT). Since we show that neither the uniformly most powerful invariant test (UMPIT) nor the locally most powerful invariant test (LMPIT) exist, we propose an LMPIT-inspired detector that is given by a function of the cyclic cross-power spectral density. We show that the LMPIT-inspired detector outperforms the GLRT, and both detectors outperform state-of-the-art techniques.
dc.description.sponsorship S. Horstmann and P. J. Schreier were supported by the German Research Foundation (DFG) under grant SCHR 1384/6-1. The work of D. Ramírez was supported by the Ministerio de Ciencia, Innovación y Universidades under grant TEC2017-92552-EXP (aMBITION), by the Ministerio de Ciencia, Innovación y Universidades, jointly with the European Commission (ERDF), under grant TEC2017-86921-C2-2-R (CAIMAN), by The Comunidad de Madrid under grant Y2018/TCS-4705 (PRACTICO-CM), and by the German Research Foundation (DFG) under grant RA 2662/2-1.
dc.format.extent 15
dc.language.iso eng
dc.publisher IEEE
dc.rights © 2020 IEEE. Personal use is permitted, but republication/redistribution requires IEEE permission. See https://www.ieee.org/publications/rights/index.html for more information.
dc.subject.other Cyclostationarity
dc.subject.other Generalized likelihood ratio test (GLRT)
dc.subject.other Locally most powerful invariant test (LMPIT)
dc.subject.other Multiple-input multiple-output (MIMO) passive detection
dc.title Two-channel passive detection of cyclostationary signals
dc.type article
dc.description.status Publicado
dc.subject.eciencia Telecomunicaciones
dc.identifier.doi https://doi.org/10.1109/TSP.2020.2981767
dc.rights.accessRights openAccess
dc.relation.projectID Gobierno de España. TEC2017-86921-C2-2-R/CAIMAN
dc.relation.projectID Gobierno de España. TEC2017-92552-EXP/aMBITION
dc.relation.projectID Comunidad de Madrid. Y2018/TCS-4705/PRACTICOCM
dc.type.version acceptedVersion
dc.identifier.publicationfirstpage 2340
dc.identifier.publicationlastpage 2355
dc.identifier.publicationtitle IEEE TRANSACTIONS ON SIGNAL PROCESSING
dc.identifier.publicationvolume 68
dc.identifier.uxxi AR/0000025043
dc.contributor.funder Comunidad de Madrid
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