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A compact asymmetrically slotted antipodal Vivaldi antenna for MIMO imaging systems

Author

Listed:
  • Djamila Ziani

    (University of Tlemcen)

  • Sidi Mohammed Meriah

    (University of Tlemcen)

  • Fouad Derraz

    (University of Tlemcen)

  • Lotfi Merad

    (University of Tlemcen)

Abstract

In this paper, we propose a Compact Asymmetrically Slotted Antipodal Vivaldi Antenna (CAS-AVA) design for MIMO imaging systems. The structure has the ability to extend the antenna bandwidth in low-end frequencies achieving a fractional bandwidth of 123.32 % (4.743–20) GHz. Good results are obtained in term of return loss, radiation pattern and gain. A time-domain study has been also performed to characterize the antenna behavior in case of an UWB pulse is used. To further validate our design, an application for MIMO imaging system is also proposed and evaluated. The antenna is used as the MIMO array element, thus forming a compact array and enabling to construct an optimal topology which improve significantly the microwave imaging quality by generating high-resolution images. The results demonstrate that the proposed antenna is a good candidate for microwave MIMO imaging applications.

Suggested Citation

  • Djamila Ziani & Sidi Mohammed Meriah & Fouad Derraz & Lotfi Merad, 2023. "A compact asymmetrically slotted antipodal Vivaldi antenna for MIMO imaging systems," Telecommunication Systems: Modelling, Analysis, Design and Management, Springer, vol. 83(3), pages 267-275, July.
    • Handle: RePEc:spr:telsys:v:83:y:2023:i:3:d:10.1007_s11235-023-01013-5
    DOI: 10.1007/s11235-023-01013-5
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