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Robust and efficient integrated antenna with EBG-DGS enabled wide bandwidth for wearable medical device applications

  • Adel Y.I. Ashyap
  • , Samsul Haimi Bin Dahlan
  • , Zuhairiah Zainal Abidin
  • , Muhammad Hashim Dahri
  • , Huda A. Majid
  • , Muhammad Ramlee Kamarudin
  • , See Khee Yee
  • , Mohd Haizal Jamaluddin
  • , Akram Alomainy
  • , Qammer H. Abbasi
  • Universiti Tun Hussein Onn Malaysia
  • Universiti Teknologi Malaysia
  • Queen Mary University of London
  • University of Glasgow

Research output: Contribution to journalArticlepeer-review

79 Scopus citations

Abstract

A compact wearable symmetrical e-slots antenna operated at 2.4 GHz was proposed for Medical Body Area Network applications. The design was printed onto a highly flexible fabric material. The final design topology was achieved by the integration of symmetrical e-slots antenna with an Electromagnetic Band-Gap (EBG) and Defected Ground Structure (DGS). The use of EBG was to isolate the body and antenna from each other whereas the DGS widened the bandwidth. This combination forms a novel and compact structure that broadens bandwidth. This broadened bandwidth makes the structure robust to deformation and loading in the human body. The design achieved a measured impedance bandwidth of 32.08 %, a gain of 6.45 dBi, a Front to Back Ration (FBR) of 15.8 dB, an efficiency of 72.3% and a SAR reduction of more than 90%. Hence, the integration of symmetrical e-slots antenna with EBG and etched DGS is a promising candidate for body-worn devices.

Original languageEnglish
Article number9042259
Pages (from-to)56346-56358
Number of pages13
JournalIEEE Access
Volume8
DOIs
StatePublished - 2020
Externally publishedYes

Keywords

  • AMC
  • EBG
  • Medical body-area network
  • Metamaterial
  • Metasurface
  • SAR
  • Textile antennas
  • Wearable textile

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