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A simple conformal-strip fed composite antenna with wideband & enhanced isolation for MIMO applications

Author

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  • Nikesh Kumar Sahu
  • Gourab Das
  • Ravi Kumar Gangwar

Abstract

A composite antenna with wide impedance bandwidth and enhanced isolation for multiple-input-multiple-output (MIMO) applications is introduced in this article. A simple conformal-strip fed rectangular dielectric resonator (rDR) with a conducting conformal-patch, which provides wide impedance bandwidth (3.21-6.19 GHz), is utilized as an antenna element. The proposed MIMO antenna is formed by arranging two symmetrical composite antenna elements side by side along with a simple decoupling structure (based on a wide rectangular slot and two metallic strips) in between them. The proposed MIMO antenna delivers good inter-port isolation (greater than 18 dB) over the entire operating bandwidth. Also, a well satisfactory outcome of the envelope correlation coefficient (ECC) is obtained over this bandwidth. Moreover, the proposed antenna exhibits a stable broadside directional radiation pattern over the entire operating bandwidth.

Suggested Citation

  • Nikesh Kumar Sahu & Gourab Das & Ravi Kumar Gangwar, 2022. "A simple conformal-strip fed composite antenna with wideband & enhanced isolation for MIMO applications," Journal of Electromagnetic Waves and Applications, Taylor & Francis Journals, vol. 36(8), pages 1173-1187, May.
    • Handle: RePEc:taf:tewaxx:v:36:y:2022:i:8:p:1173-1187
    DOI: 10.1080/09205071.2021.2009382
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