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A bubble-shaped multi-input multi-output (MIMO) antenna is built for the 3.38–3.84 GHz band on a FR4 substrate. Gain is estimated to be 3.62 dB, and antenna dimensions are 48 × 25 × 1.6 mm3. A single bubble-shaped antenna was utilized to assess three different MIMO antenna configurations (parallel, orthogonal, and out of phase). Based on reflection and isolation characteristics as well as gain performance, it has been concluded that the orthogonal orientation is well suitable for wireless networks. The proposed MIMO antenna’s impedance bandwidth uses the 3.36–3.86 GHz frequency range. Multipath characteristics like envelope error coefficient (ECC), diversity gain (DG), mean effective gain (MEG), and channel capacity loss (CCL) were analyzed.

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CPW Fed Bubble-Shaped Two-Element MIMO Antenna Array for Sub-6 GHz 5G Application

  • 会议论文

  • 发表日期：

    2025年

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  • Mercy Mathew,
  • K. A. Ansal,
  • G. K. Ragesh,
  • Jaimon Yohannan,
  • C. G. Jagadish

摘要

A bubble-shaped multi-input multi-output (MIMO) antenna is built for the 3.38–3.84 GHz band on a FR4 substrate. Gain is estimated to be 3.62 dB, and antenna dimensions are 48 × 25 × 1.6 mm3. A single bubble-shaped antenna was utilized to assess three different MIMO antenna configurations (parallel, orthogonal, and out of phase). Based on reflection and isolation characteristics as well as gain performance, it has been concluded that the orthogonal orientation is well suitable for wireless networks. The proposed MIMO antenna’s impedance bandwidth uses the 3.36–3.86 GHz frequency range. Multipath characteristics like envelope error coefficient (ECC), diversity gain (DG), mean effective gain (MEG), and channel capacity loss (CCL) were analyzed.