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An Effective Design of Wearable Antenna with Double Flexible Substrates and Defected Ground Structure for Healthcare Monitoring System

  • Ameena Banu MustafaEmail author
  • Tamilselvi Rajendran
Mobile & Wireless Health
  • 23 Downloads
Part of the following topical collections:
  1. Wearable Computing Techniques for Smart Health

Abstract

Due to the development of modern wearable mobile devices, the need of antenna with smaller size and internally flexible to fit becomes necessary. Miniaturization of Micro Strip Patch (MSP) antenna increases its employability for communication in different aspects. The use of flexible material for the fabrication of MSP antenna still improves its use for Wireless Body Area Networks (WBAN) which includes devices for monitoring systems in military, surveillance and medical applications. The devices designed specifically in Industrial Scientific Medical (ISM) band are used for communication in these applications. Defected Ground Structure (DGS) is adopted as an emerging technique for improving the various parameters of microwave circuits, that is, narrow bandwidth, cross-polarization, low gain, and so forth. In this paper, the design of compact micro strip patch antenna using different flexible substrate materials with DGS is proposed to resonate the antenna at 2.45GHz ISM band which can be used as biomedical sensors. Felt and Teflon with dielectric constant 1.36 and 2.1respectively are chosen as flexible substrate material among various flexible materials like cotton, rubber, paper, jeans etc. Using CST studio suite software, the designed antenna is simulated and the fabricated antenna is tested with Vector Network Analyzer (VNA). The performance parameters like return loss, gain, directivity and Voltage Standing Wave Ratio (VSWR) of the antenna are analyzed.

Keywords

CST software ISM band WBAN Defected ground structure VNA Return loss Directivity Gain Flexible dielectric materials Teflon Felt 

Notes

Compliance with Ethical Standards

Conflict of interest

The Authors and Co-Authors have no conflicts of Interests. The Paper is not submitted to any other Journals. This is solely submitted to this Journal.

Ethical approval (involving human participants and/or animals)

This article does not contain any studies with human participants or animals performed by any of the authors.

Informed consent

No humans or animals were involved. All applicable international, national, and/or institutional guidelines for the care and use of animals were followed.

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Department of ECESethu Institute of TechnologyVirudhunagar DistrictIndia

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