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article · Springer Link (Chiba Institute of Technology)

Design of a Compact Textile Bandpass Filter Based on Zigzag Stepped-Impedance Resonators for 5G Wearable Applications

Abstract

In this paper, a small microwave bandpass filter operating at 3.5 GHz is designed and simulated for use in fifth-generation (5G) applications. The proposed filter is suitable for textile integration as it offers reduced size, low insertion loss and im-proved frequency selectivity by combining zigzag transmission lines with stepped impedance resonators (SIRs). CST Microwave Studio was used to simulate on a felt textile substrate. The flexible design is compatible with portable systems, fa-cilitating the constant mobility of the human body while maintaining constant electromagnetic performance. Thanks to these features, the proposed filter is an excellent option for wearable 5G systems, such as body sensor networks, Inter-net of Things applications and smart e-health wearables.

Research topics

  • Antenna Design and Analysis
  • Microwave Engineering and Waveguides
  • Wireless Body Area Networks

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DOI: 10.1051/epjconf/202638001007/pdf

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