Change search
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf
Improved resolving capabilities of linear array using 2 q th order non‐circular statistics
Centre of Applied Research in Electronics, Indian Institute of Technology, New Delhi, India.ORCID iD: 0000-0003-0726-065X
Centre of Applied Research in Electronics, Indian Institute of Technology, New Delhi, India.
2021 (English)In: IET Signal Processing, ISSN 1751-9675, E-ISSN 1751-9683, Vol. 15, no 2, p. 61-79Article in journal (Refereed) Published
Abstract [en]

Resolving more sources than sensors is always of interest to researchers. For this purpose, generation of the virtual array from the non-uniform linear array has recently gathered a lot of attention. The covariance/cumulant lags of the array output define virtual sensors and thereby virtual array. The aperture of the designed virtual array is much more than the aperture of physical array. This large aperture provides highest degrees of freedom to solve the underdetermined system. In the case of non-circular signals, pseudo-covariances/cumulants are significant, and this additional information can further be used to increase the virtual array aperture. Herein, a framework is proposed to extend the virtual array aperture by additionally using pseudo-/non-circular cumulants along with the circular cumulants of the array output for non-circular signals. The suggested framework not only increases the resolvability but also improves the DoA estimation accuracy. With fourth-order statistics, the virtual array aperture becomes almost double, and the increment is much more with further higher order statistics. Numerical simulations demonstrate the efficacy of the claims.

Place, publisher, year, edition, pages
The Institution of Engineering and Technology , 2021. Vol. 15, no 2, p. 61-79
National Category
Signal Processing
Identifiers
URN: urn:nbn:se:ltu:diva-88106DOI: 10.1049/sil2.12013ISI: 000631725100001Scopus ID: 2-s2.0-85131598588OAI: oai:DiVA.org:ltu-88106DiVA, id: diva2:1615366
Available from: 2021-11-30 Created: 2021-11-30 Last updated: 2023-10-11Bibliographically approved

Open Access in DiVA

No full text in DiVA

Other links

Publisher's full textScopus

Authority records

Gupta, Payal

Search in DiVA

By author/editor
Gupta, Payal
In the same journal
IET Signal Processing
Signal Processing

Search outside of DiVA

GoogleGoogle Scholar

doi
urn-nbn

Altmetric score

doi
urn-nbn
Total: 123 hits
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf