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<p>This communication explains the development and evolution of a two-port Al<sub>2</sub>O<sub>3</sub> constructed array antenna. A rectangular dielectric resonator antenna (RDRA) was fed using a rectangular slot along with a microstrip feed line in a 3-dB power divider configuration. A multi-port was configured by placing identical dual ports in anti-parallel placement. Three essential parameters were enhanced in this antenna design: (1) 1&#xa0;×&#xa0;2 array configuration increased the gain value of the proposed antenna to 11.0 dBi; (2) dual orthogonal copper strips with unequal width over the alumina dielectric produced circular polarization features between 28.5&#xa0;GHz and 29.1&#xa0;GHz; and (3) within the operating regime, copper strips and the anti-parallel arrangement increased the isolation value to above 40&#xa0;dB. The experimental outcome confirmed the optimized simulated results and its working between 28.3&#xa0;GHz and 29.4&#xa0;GHz. The directive pattern and stable diversity parameters make the antenna structure suitable for mm-wave 5G communication systems.</p>

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Design and Development of Al2O3 Dielectric Built Two-Port Array Radiator with High Gain and Isolation in mm-Wave Regime

  • 期刊论文

  • 发表日期：

    2025年5月2日

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  • Sikandar,
  • Kuldip Singh,
  • Himanshu Katiyar,
  • Anand Sharma

摘要

This communication explains the development and evolution of a two-port Al2O3 constructed array antenna. A rectangular dielectric resonator antenna (RDRA) was fed using a rectangular slot along with a microstrip feed line in a 3-dB power divider configuration. A multi-port was configured by placing identical dual ports in anti-parallel placement. Three essential parameters were enhanced in this antenna design: (1) 1 × 2 array configuration increased the gain value of the proposed antenna to 11.0 dBi; (2) dual orthogonal copper strips with unequal width over the alumina dielectric produced circular polarization features between 28.5 GHz and 29.1 GHz; and (3) within the operating regime, copper strips and the anti-parallel arrangement increased the isolation value to above 40 dB. The experimental outcome confirmed the optimized simulated results and its working between 28.3 GHz and 29.4 GHz. The directive pattern and stable diversity parameters make the antenna structure suitable for mm-wave 5G communication systems.