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The paper presents a reconfigurable [2 × 2] THz MIMO antenna based on graphene that can be integrated with an RF circuit. The two-port hybrid model and the integrated circuit model performed well. A two-element MIMO antenna with a volume of [120 × 60 × 2.4] μm3 occupies a significant portion of the available space. The proposed design suffers from a return loss of more than 20 dB and an isolation of more than 30 dB at the resonance frequency. The hybrid antenna, which utilizes graphene, provides tunability by altering its chemical potential. The proposed antenna achieved a radiation efficiency of 88% and an absolute maximum gain of 7.97 dBi. The diversity parameters of this antenna are analyzed and their results are presented in this paper's accepted range.

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Performance Analysis of Hybrid Metal-Graphene THz MIMO Antenna with Equivalent ECM

  • 会议论文

  • 发表日期：

    2025年

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  • Ravinder Singh,
  • Himanshu Rajpoot,
  • Abhishek Agrahari,
  • Madhvi Pandey

摘要

The paper presents a reconfigurable [2 × 2] THz MIMO antenna based on graphene that can be integrated with an RF circuit. The two-port hybrid model and the integrated circuit model performed well. A two-element MIMO antenna with a volume of [120 × 60 × 2.4] μm3 occupies a significant portion of the available space. The proposed design suffers from a return loss of more than 20 dB and an isolation of more than 30 dB at the resonance frequency. The hybrid antenna, which utilizes graphene, provides tunability by altering its chemical potential. The proposed antenna achieved a radiation efficiency of 88% and an absolute maximum gain of 7.97 dBi. The diversity parameters of this antenna are analyzed and their results are presented in this paper's accepted range.