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In this study, a compact design of an antenna array that possesses wideband and high gain properties is proposed. The proposed antenna architecture consists of four elements (2 x 2) and is fed by T-junctions power dividers. The characteristic of wideband is achieved by utilizing the technique of partial ground, while the gain enhancement is implemented thanks to employing an Artificial Magnetic Conductor (AMC) surface. Based on the dielectric laminate of 4350B with a permittivity of 3.66, thickness of 1.575 mm, and loss tangent of 0.0037, the final design realized at the central frequency of 2.45 GHz exhibits a bandwidth at − 10 dB of 11.4%, the peak gain of 9 dBi and the peak efficiency of 94%.

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Performance Enhancement for Antenna Array Using Partial Ground and Reflective Surface

  • 会议论文

  • 发表日期：

    2026年

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  • Ngoc-Lan Nguyen,
  • Nguyen Van Duc,
  • Phan Thanh Toan

摘要

In this study, a compact design of an antenna array that possesses wideband and high gain properties is proposed. The proposed antenna architecture consists of four elements (2 x 2) and is fed by T-junctions power dividers. The characteristic of wideband is achieved by utilizing the technique of partial ground, while the gain enhancement is implemented thanks to employing an Artificial Magnetic Conductor (AMC) surface. Based on the dielectric laminate of 4350B with a permittivity of 3.66, thickness of 1.575 mm, and loss tangent of 0.0037, the final design realized at the central frequency of 2.45 GHz exhibits a bandwidth at − 10 dB of 11.4%, the peak gain of 9 dBi and the peak efficiency of 94%.