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April 5, 2026Journal of Electromagnetic Engineering and ScienceOpen Access

A Low-Profile C-Band Broadband Metasurface Antenna Array Based on Characteristic Mode Analysis

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Authors

SWShige WeiHLHao LuoHZHuarui Zhang

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Overview

Design proposes a broadband metasurface antenna array with a notable impedance bandwidth and peak gain.

Key Points

  • The aim is to develop a low-profile C-band broadband metasurface antenna array using characteristic mode analysis.
  • Designed a unit structure with inclined square patches and a surrounding ring of smaller patches.
  • Utilized a microstrip feeding structure with coupled energy through slots and a dielectric layer.
  • Conducted structural tests on a 1 x 2 array after fabrication.
  • Unit antenna achieved an impedance bandwidth of 60% at -10 dB return loss.
  • Peak gain recorded was 9.95 dBi within the operating bandwidth.
  • The 1 x 2 array demonstrated an improved impedance bandwidth of 61% and a peak gain of 12.6 dBi.

Cite This Study

Wei et al. (2026) studied this question.

synapsesocial.com/papers/69d1fcc0a79560c99a0a2601https://doi.org/10.26866/jees.2026.2.r.349
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