cogcom 16(8): e4

Research Article

Miniaturized Implantable DS-PIFA Antenna for Biomedical Applications

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  • @ARTICLE{10.4108/eai.28-9-2015.2261517,
        author={Farhad Gozasht and Ananda Mohan},
        title={Miniaturized Implantable DS-PIFA Antenna for Biomedical Applications},
        journal={EAI Endorsed Transactions on Cognitive Communications},
        volume={2},
        number={8},
        publisher={ACM},
        journal_a={COGCOM},
        year={2015},
        month={12},
        keywords={biomedical implantable antennas, wireless medical telemetry, electrically small antennas, sar},
        doi={10.4108/eai.28-9-2015.2261517}
    }
    
  • Farhad Gozasht
    Ananda Mohan
    Year: 2015
    Miniaturized Implantable DS-PIFA Antenna for Biomedical Applications
    COGCOM
    EAI
    DOI: 10.4108/eai.28-9-2015.2261517
Farhad Gozasht1,*, Ananda Mohan1
  • 1: University of Technology Sydney
*Contact email: farhad.gozasht@student.uts.edu.au

Abstract

This paper presents an implantable miniaturized planar inverted-F antenna (PIFA) for biomedical applications. We propose small sized PIFA that can operate over 2.45 GHz Industrial, Scientific, and Medical (ISM) band. We have investigated the effect of antenna parameters on resonant frequencies using empirical parametric studies and achieved highly compact PIFA antenna occupies a volume of 92 mm3 with a size of 8.1×7.1×1.6 mm3. Moreover, the effects of the variation of surrounding environment such as skin and fat thickness on the antenna performance are also considered. The impedance characteristics of the proposed antennas are measured using experimental tissue mimicking phantoms. We have also evaluated the calculated Specific Absorption Rate (SAR) by using an indirect thermal method to measure the SAR inside the mimicking phantom.