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<p>A two-port microstrip antenna integrated with a&#xa0;metasurface (MS) absorber is designed and examined in this paper. MS placement below the 2-port antenna absorbs the normalized EM waves as well as improves the gain level to above 3.0 dBi. Loading of cross slots produces circular polarization features between 837 and 889&#xa0;MHz. Reverse orientation of the&#xa0;slots on the&#xa0;patch enhances the separation by 25&#xa0;dB. Simulated, experimental, and ML prediction confirm that the designed antenna works between 715 and 977&#xa0;MHz. A&#xa0;Bbroadsided far-field pattern and good values of the&#xa0;MIMO parameters make the proposed antenna applicable for UHF RFID applications.</p>

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Modelling of a two-port patch antenna with metasurface absorber using machine learning algorithms

  • 期刊论文

  • 发表日期：

    2025年8月14日

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  • Neha K. Saini,
  • Anand Vardhan Bhalla,
  • Ashish Bagwari,
  • Ravitesh Mishra,
  • Ch. Anil Kumar

摘要

A two-port microstrip antenna integrated with a metasurface (MS) absorber is designed and examined in this paper. MS placement below the 2-port antenna absorbs the normalized EM waves as well as improves the gain level to above 3.0 dBi. Loading of cross slots produces circular polarization features between 837 and 889 MHz. Reverse orientation of the slots on the patch enhances the separation by 25 dB. Simulated, experimental, and ML prediction confirm that the designed antenna works between 715 and 977 MHz. A Bbroadsided far-field pattern and good values of the MIMO parameters make the proposed antenna applicable for UHF RFID applications.