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The paper describes a rectangular ring-shaped two-element pattern diversity mm-wave MIMO antenna for 5G and IoT applications. The Roggers RT duroid substrate, having a dielectric constant of 2.2 and a height of 0.254 mm is used to design the proposed antenna. Its frequency range of operation is 12.6–35.1 GHz, and its gain is 4.5 dB with fluctuations of fewer than three decibels across the working range. Mutual coupling is less than −17 dB throughout the whole bandwidth, and efficiency is greater than 93%. All MIMO parameters have been computed and verified to fall under permissible bounds. Its small dimension of 1.4 × 1.5 × 0.0254 cm3 makes it economical and suitable for portable devices, 5G base stations, 5G mobiles, IoT terminals, healthcare devices, and a wide range of other mm-wave applications. Performances of the proposed antenna are better when compared to those of reported MIMO antennas.

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Pattern Diversity mm-Wave Rectangular Ring Shaped MIMO Antenna for 5G Communication and Internet of Things Applications

  • 会议论文

  • 发表日期：

    2025年

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  • Tapan Nahar,
  • Vishal Das,
  • Sanyog Rawat,
  • Jaume Anguera

摘要

The paper describes a rectangular ring-shaped two-element pattern diversity mm-wave MIMO antenna for 5G and IoT applications. The Roggers RT duroid substrate, having a dielectric constant of 2.2 and a height of 0.254 mm is used to design the proposed antenna. Its frequency range of operation is 12.6–35.1 GHz, and its gain is 4.5 dB with fluctuations of fewer than three decibels across the working range. Mutual coupling is less than −17 dB throughout the whole bandwidth, and efficiency is greater than 93%. All MIMO parameters have been computed and verified to fall under permissible bounds. Its small dimension of 1.4 × 1.5 × 0.0254 cm3 makes it economical and suitable for portable devices, 5G base stations, 5G mobiles, IoT terminals, healthcare devices, and a wide range of other mm-wave applications. Performances of the proposed antenna are better when compared to those of reported MIMO antennas.