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<p>Biomedical telemetry antenna technology is gaining popularity in the healthcare and biomedical industries. This technology allows for remote monitoring of a patient’s physiological indications, reducing the need for frequent hospital visits and routine check-ups. A wireless monitoring of fetuses in patients has been proposed using an integrated fractal Hilbert curve expandable antenna system that employs ITU-T approved biomedical bands. Designing antennas for biomedical use requires careful focus on size reduction, patient safety, biocompatibility, and low power use. The proposed antenna works at 4.2&#xa0;GHz with a strong reflection coefficient of −&#xa0;26 dB, showing good signal matching. Choosing the right antenna for wearable systems can be tricky, but this paper presents a smart solution: a Hilbert curve-based expandable antenna. It uses a cotton-based, wearable material with a dielectric constant of 1.75, making it safe for the body and suitable for flexible use. The fractal design helps keep the antenna small while still delivering strong performance. The essential features of the suggested antenna are investigated, and they demonstrate a high level of simulation and real-time operational consistency.</p>

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Design and Development of a Wearable Fractal Antenna Using Hilbert Curve for Fetus Monitoring System

  • 期刊论文

  • 发表日期：

    2026年3月30日

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  • E. Krishna Kumar,
  • C. N. Marimuthu

摘要

Biomedical telemetry antenna technology is gaining popularity in the healthcare and biomedical industries. This technology allows for remote monitoring of a patient’s physiological indications, reducing the need for frequent hospital visits and routine check-ups. A wireless monitoring of fetuses in patients has been proposed using an integrated fractal Hilbert curve expandable antenna system that employs ITU-T approved biomedical bands. Designing antennas for biomedical use requires careful focus on size reduction, patient safety, biocompatibility, and low power use. The proposed antenna works at 4.2 GHz with a strong reflection coefficient of − 26 dB, showing good signal matching. Choosing the right antenna for wearable systems can be tricky, but this paper presents a smart solution: a Hilbert curve-based expandable antenna. It uses a cotton-based, wearable material with a dielectric constant of 1.75, making it safe for the body and suitable for flexible use. The fractal design helps keep the antenna small while still delivering strong performance. The essential features of the suggested antenna are investigated, and they demonstrate a high level of simulation and real-time operational consistency.