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<p>The proposed article represents a novel miniaturised Quadport MIMO antenna for ultra-wideband communication applications. The radiating patches are arranged symmetrically on both sides of the substrate, which helps achieve uniform charge distribution and a stable radiation pattern. The proposed design features unique characteristics, including a peak gain of 5.99&#xa0;dB, a minimum reflection coefficient of − 27.50&#xa0;dB, and a peak isolation of 40&#xa0;dB. The optimisation was carried out using the varying size of the diffracted ground structure. The low-profile substrate with its good features helps reduce costs. The proposed design provides an 11&#xa0;GHz bandwidth. The simulation and measured results are compared and analysed for authenticity, and the performance matrix is compared with those of other published articles to assess the novelty of the work. Different diversity characteristics, like ECC near 0.001, DG near 10&#xa0;dB, negative TARC values, MEG within the allowable range, and lower CCL values, indicate that the presented Quadport MIMO is proper. These healthy features make the proposed design ideal for the P2P and amateur radio communication-related applications.</p>

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Novel mirror arranged radiating patch structure based Quadport MIMO antenna using low profile FR4 substrate with high isolation and ultra wideband feature for amateur radio and P2P communication applications

  • 期刊论文

  • 发表日期：

    2026年2月28日

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  • N. Porchelvi,
  • C. Annadurai,
  • I. Nelson,
  • Sunil Lavadiya

摘要

The proposed article represents a novel miniaturised Quadport MIMO antenna for ultra-wideband communication applications. The radiating patches are arranged symmetrically on both sides of the substrate, which helps achieve uniform charge distribution and a stable radiation pattern. The proposed design features unique characteristics, including a peak gain of 5.99 dB, a minimum reflection coefficient of − 27.50 dB, and a peak isolation of 40 dB. The optimisation was carried out using the varying size of the diffracted ground structure. The low-profile substrate with its good features helps reduce costs. The proposed design provides an 11 GHz bandwidth. The simulation and measured results are compared and analysed for authenticity, and the performance matrix is compared with those of other published articles to assess the novelty of the work. Different diversity characteristics, like ECC near 0.001, DG near 10 dB, negative TARC values, MEG within the allowable range, and lower CCL values, indicate that the presented Quadport MIMO is proper. These healthy features make the proposed design ideal for the P2P and amateur radio communication-related applications.