A Dual-band Repeater Antenna for On-Body Receiver Unit of Wireless Capsule Endoscope

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4 Citations (Scopus)

Abstract

A dual-band repeater antenna for the on-body receiver unit of a wireless capsule endoscope system is proposed at the Medical Device Radiocommunications (MedRadio, 401-406MHz) band and at the Industrial, Scientific, and Medical (ISM, 2. 4-2.48GHz) frequency band. The radio link from the capsule transmitter to the on-body receiver utilizes the MedRadio band, whereas the on-body to off-body communication happens at the ISM band. The design is evolved from a classical printed monopole/dipole structure. It utilizes two rectangular offset patches, printed on two sides of a substrate. Both the top and bottom patches are configured in such a way that wideband matching with sufficient radiation efficiency is achieved at both bands. A multi-layer canonical tissue phantom and realistic human body model were used for the numerical studies. The latter was validated through ex-vivo measurements on a real human body. The measured -10dB impedance matching bandwidths are 44% and 14.4% at the MedRadio and ISM band, respectively show a good agreement with the simulated one.

Original languageEnglish
Title of host publication2020 14TH EUROPEAN CONFERENCE ON ANTENNAS AND PROPAGATION (EUCAP 2020)
PublisherIEEE
Number of pages4
ISBN (Electronic)9788831299008
ISBN (Print)9788831299008
DOIs
Publication statusPublished - Mar 2020
MoE publication typeA4 Conference publication
EventEuropean Conference on Antennas and Propagation - Copenhagen, Denmark
Duration: 15 Mar 202020 Mar 2020
Conference number: 14

Publication series

NameProceedings of the European Conference on Antennas and Propagation
ISSN (Print)2164-3342

Conference

ConferenceEuropean Conference on Antennas and Propagation
Abbreviated titleEUCAP
Country/TerritoryDenmark
CityCopenhagen
Period15/03/202020/03/2020

Keywords

  • Dual-band antenna
  • on-body
  • wireless capsule endsocope

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