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This paper proposes a small wideband multiple-input-multiple-output (MIMO) antenna made up of four components with better isolation. This antenna is small in size and consists of four rectangular-shaped radiators positioned orthogonally on the upper half of the substrate and a linked ground plane at the lower portion of the substrate. All of these radiators are supplied via a tapered microstrip line. The given antenna is 35 \(\,\times \,\) 35 \(\times \) 0.8 mm \(^{3}\) . The proposed MIMO antenna has a 35.71% impedance bandwidth extending from 4.6–6.6 GHz. It is acceptable for WLAN (5.8 GHz), WiMAX (5.5 GHz), HYPERLAN/1, 2, and ISM bands (5.8 GHz), among other applications. The ECC is less than 0.08 throughout all operational bands. The S-parameters, radiation pattern, and total gain have been observed.

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2 \(\times \) 2 MIMO Antenna with Increased Isolation

  • 会议论文

  • 发表日期：

    2026年

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  • Pasumarthy Nageswara Rao,
  • Sellamuthu Karunakaran,
  • Rachakonda Satish,
  • Bukka Uday Kiran

摘要

This paper proposes a small wideband multiple-input-multiple-output (MIMO) antenna made up of four components with better isolation. This antenna is small in size and consists of four rectangular-shaped radiators positioned orthogonally on the upper half of the substrate and a linked ground plane at the lower portion of the substrate. All of these radiators are supplied via a tapered microstrip line. The given antenna is 35 \(\,\times \,\) 35 \(\times \) 0.8 mm \(^{3}\) . The proposed MIMO antenna has a 35.71% impedance bandwidth extending from 4.6–6.6 GHz. It is acceptable for WLAN (5.8 GHz), WiMAX (5.5 GHz), HYPERLAN/1, 2, and ISM bands (5.8 GHz), among other applications. The ECC is less than 0.08 throughout all operational bands. The S-parameters, radiation pattern, and total gain have been observed.