Fine-Tuning Impedance Matching Circuit for a Triple-Band Meandered PIFA in Brain-Implantable Bio-telemetric Systems

  • Nikta Pournoori
  • , Lauri Sydänheimo
  • , Yahya Rahmat-Samii
  • , Leena Ukkonen
  • , Toni Björninen

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

1 Citation (Scopus)
49 Downloads (Pure)

Abstract

This article presents a study of the tunable impedance matching to our recently reported compact self-matched triple-band brain-implantable planar-inverted-F antenna (PIFA). It operates at Medical Device Radiocommunication Service (MedRadio) band (401-406 MHz) and Industrial, Scientific, and Medical (ISM) bands (902-928 MHz and 2400-2483.5 MHz). To achieve this, we investigated the optimal reflection coefficient characteristics of PIFA at desired frequencies by employing four pi-and T-type matching circuits. Our results show that a T-type circuit selected for further assessment provides suitable fine-tuning possibilities for all combinations of desired upwards and downwards frequency-tuning of the three operating frequencies to ensure reliable wireless implant communications.

Original languageEnglish
Title of host publication2022 16th European Conference on Antennas and Propagation, EuCAP 2022
PublisherIEEE
Number of pages5
ISBN (Electronic)9788831299046
ISBN (Print)9781665416047
DOIs
Publication statusPublished - 2022
Publication typeA4 Article in conference proceedings
EventEuropean Conference on Antennas and Propagation - Madrid, Spain
Duration: 27 Mar 20221 Apr 2022

Publication series

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

Conference

ConferenceEuropean Conference on Antennas and Propagation
Country/TerritorySpain
CityMadrid
Period27/03/221/04/22

Keywords

  • impedance-matching
  • Implant antennas
  • matching circuits
  • meandered PIFA
  • triple-band antenna

Publication forum classification

  • Publication forum level 1

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Electronic, Optical and Magnetic Materials
  • Instrumentation
  • Radiation

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