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Related Experiment Video

Updated: Mar 8, 2026

Clinical Imaging of Microwave Mammography
05:28

Clinical Imaging of Microwave Mammography

Published on: November 14, 2025

354

Multi-Polarization Reconfigurable Antenna for Wireless Biomedical System.

Hang Wong, Wei Lin, Laure Huitema

    IEEE Transactions on Biomedical Circuits and Systems
    |January 28, 2017
    PubMed
    Summary
    This summary is machine-generated.

    This study introduces a novel multi-polarization reconfigurable antenna for body-centric wireless communication systems (BWCS). The antenna overcomes polarization mismatching, enhancing communication link reliability in biomedical applications.

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    Area of Science:

    • Electromagnetics and Antennas
    • Biomedical Engineering
    • Wireless Communication

    Background:

    • Body-centric wireless communication systems (BWCS) face challenges from polarization mismatching and multi-path distortion.
    • Existing antenna designs often struggle to adapt to dynamic wireless environments.
    • Reconfigurable antennas are crucial for improving signal integrity in complex biomedical applications.

    Purpose of the Study:

    • To present a novel multi-polarization reconfigurable antenna for BWCS.
    • To address polarization mismatching and multi-path distortion in biomedical wireless channels.
    • To demonstrate the antenna's effectiveness in maintaining optimal communication links.

    Main Methods:

    • Designed and assembled a multi-dipole antenna with four sequentially arranged dipoles.
    • Utilized eight PIN diodes as RF switches for polarization reconfigurability (0°, +45°, 90°, -45°).
    • Incorporated a ground tapered Balun and a metallic reflector for excitation and broadside radiation.

    Main Results:

    • Achieved switchable linear polarizations (0°, +45°, 90°, -45°) using different dipoles.
    • Demonstrated a wide impedance bandwidth of 34% (2.2–3.1 GHz) with a peak gain of 5.2 dBi.
    • Validated effectiveness through simulations, experimental results, and communication link measurements with a meandered PIFA implantable antenna.

    Conclusions:

    • The proposed multi-polarization reconfigurable antenna effectively minimizes polarization mismatching in BWCS.
    • The antenna maintains optimal communication links, proving its suitability for biomedical applications.
    • This design offers a significant advancement in reliable wireless communication for body-centric systems.