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A FR4-based patch antenna which functions at a frequency (ISM band) of 2.45 GHz has been presented in this paper. The substrate of the antenna ensuring a thickness of 1.6 mm, having a dielectric constant of 4.4 and 0.02 loss tangent, is built using FR4. This substrate is used in WBAN applications. The antenna’s overall dimensions are 43.5 × 32 × 1.6 mm3. ANSYS High-Frequency Simulator Software (HFSS) was utilized to simulate and analyze the properties of the devised antenna like gain, VSWR, radiation efficiency and return loss. The observations show that the antenna has gain of 1.74 dB, VSWR is 1.51, return loss is − 15.3 dB, and it resonates at 2.45 GHz frequency. The bandwidth, flexibility and compact size of the devised antenna renders it applicable for a range of WBAN applications.

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Design and Analysis of a Compact Microstrip Antenna for WBAN Applications

  • 会议论文

  • 发表日期：

    2025年

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  • R. Catherine Shekinah,
  • P. Beulah Jenifer,
  • K. Indhurani,
  • M. Nesasudha,
  • T. A. Karthikeyan

摘要

A FR4-based patch antenna which functions at a frequency (ISM band) of 2.45 GHz has been presented in this paper. The substrate of the antenna ensuring a thickness of 1.6 mm, having a dielectric constant of 4.4 and 0.02 loss tangent, is built using FR4. This substrate is used in WBAN applications. The antenna’s overall dimensions are 43.5 × 32 × 1.6 mm3. ANSYS High-Frequency Simulator Software (HFSS) was utilized to simulate and analyze the properties of the devised antenna like gain, VSWR, radiation efficiency and return loss. The observations show that the antenna has gain of 1.74 dB, VSWR is 1.51, return loss is − 15.3 dB, and it resonates at 2.45 GHz frequency. The bandwidth, flexibility and compact size of the devised antenna renders it applicable for a range of WBAN applications.