L-shaped coprime array structures for DOA estimation

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dc.authoridElbir, Ahmet M./0000-0003-4060-3781
dc.authorwosidElbir, Ahmet M./X-3731-2019
dc.contributor.authorElbir, Ahmet Musab
dc.date.accessioned2021-12-01T18:47:24Z
dc.date.available2021-12-01T18:47:24Z
dc.date.issued2020
dc.departmentDÜ, Mühendislik Fakültesi, Elektrik-Elektronik Mühendisliği Bölümüen_US
dc.description.abstractThis paper proposes a new sparse array geometry for 2-D (azimuth and elevation) directionof-arrival (DOA) estimation based on coprime sampling. The proposed array structure is L-shaped coprime array (LCA) whose each portion is one dimensional coprime linear arrays in y- and z-dimensions. Each portion of the array is used separately for 1-D azimuth and elevation angle estimation. In order to obtain the paired DOA estimates the cross-covariance matrix of two portion of the array is utilized and the paired DOA angles are estimated. LCA provides to estimate K <= MN source directions with 2M+ N-1 sensors in each portion and totally 4M + 2N - 3 sensor elements. The proposed method is evaluated through numerical simulations and its performance is compared with other coprime planar array structures. It is shown that LCA has less computational complexity together with less real sensor elements and it provides superior performance as compared to the conventional 2-D coprime planar arrays.en_US
dc.identifier.doi10.1007/s11045-019-00657-4
dc.identifier.endpage219en_US
dc.identifier.issn0923-6082
dc.identifier.issn1573-0824
dc.identifier.issue1en_US
dc.identifier.scopus2-s2.0-85066777838en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage205en_US
dc.identifier.urihttps://doi.org/10.1007/s11045-019-00657-4
dc.identifier.urihttps://hdl.handle.net/20.500.12684/10257
dc.identifier.volume31en_US
dc.identifier.wosWOS:000511596000011en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorElbir, Ahmet M.
dc.language.isoenen_US
dc.publisherSpringeren_US
dc.relation.ispartofMultidimensional Systems And Signal Processingen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectL-shaped arraysen_US
dc.subjectCoprime arraysen_US
dc.subjectSparse arraysen_US
dc.subjectDirection of arrival estimationen_US
dc.subjectDefinite Toeplitz Completionen_US
dc.subjectLinear Antenna-Arraysen_US
dc.subject2-D Doaen_US
dc.subjectGeometryen_US
dc.subjectCoarrayen_US
dc.titleL-shaped coprime array structures for DOA estimationen_US
dc.typeArticleen_US

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