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<p>The design and analysis of a multiple antenna system operating in the Ultra-Wideband (UWB) spectrum with WLAN and WiMAX as stop bands is addressed in this research study. The suggested multiple-input multiple-output (MIMO) antenna exhibits the dimensions of 60 × 40 × 0.76&#xa0;mm<sup>3</sup>. A rectangular split ring resonator (SRR) slot at the center of patch and a parasitic element at the rear side of each of the radiators are employed as band stop filters to avoid the signal interference due to these bands. For high isolation performance, two oppositely faced inverted L-shaped stubs extended from center of common partial ground plane are used. The measured impedance bandwidth ranges from 2&#xa0;GHz to 12.96&#xa0;GHz (<i>S</i><sub>11</sub> &lt; − 10&#xa0;dB) except the notched bands. The recommended diversity antenna system features good radiation efficiency, high realized gain, excellent isolation (|<i>S</i><sub>21</sub>|&gt; 20&#xa0;dB) and good diversity performance. The suggested antenna geometry proves itself a suitable applicant for Bluetooth/Wi-Fi, S, C, X-bands and band-notched UWB-MIMO applications.</p>

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High Isolation Ultra-Wideband MIMO Antenna With Dual Band Suppression Feature

  • 期刊论文

  • 发表日期：

    2025年4月22日

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  • Summaiyya Saleem,
  • Mahendra Kumar Gora,
  • Jitendra Kumar Verma,
  • Manisha Gupta,
  • Dinesh Yadav,
  • Deepak Bhatnagar,
  • Sarita Kumari

摘要

The design and analysis of a multiple antenna system operating in the Ultra-Wideband (UWB) spectrum with WLAN and WiMAX as stop bands is addressed in this research study. The suggested multiple-input multiple-output (MIMO) antenna exhibits the dimensions of 60 × 40 × 0.76 mm3. A rectangular split ring resonator (SRR) slot at the center of patch and a parasitic element at the rear side of each of the radiators are employed as band stop filters to avoid the signal interference due to these bands. For high isolation performance, two oppositely faced inverted L-shaped stubs extended from center of common partial ground plane are used. The measured impedance bandwidth ranges from 2 GHz to 12.96 GHz (S11 < − 10 dB) except the notched bands. The recommended diversity antenna system features good radiation efficiency, high realized gain, excellent isolation (|S21|> 20 dB) and good diversity performance. The suggested antenna geometry proves itself a suitable applicant for Bluetooth/Wi-Fi, S, C, X-bands and band-notched UWB-MIMO applications.