Radiation efficiency of planar implantable antennas at ISM band

Mohammad-reza Tofighi, Shi Min Huang

Research output: Chapter in Book/Report/Conference proceedingConference contribution

6 Scopus citations

Abstract

Most attentions regarding the performance of implantable antennas have been paid to the reflection coefficient (S11 with respect to 50 Ω), bandwidth, and far-field radiation pattern, while little effort has been dedicated to investigate the radiation efficiency during the implant design process. Analysis of two slot-type (annular and meandered) and two strip-type (ring and meandered PIFA) antennas embedded in muscle is presented in this paper at 2.4 GHz ISM band. It reveals that the slot types have superior performance in terms of their radiation efficiency. Also, the radiation efficiency is improved by operating away from the resonance, mostly where the admittance is inductive. The radiation efficiency may vary over an order of magnitude or more depending on the choice of the antenna and its resonance point, a fact that deserves further attention.

Original languageEnglish (US)
Title of host publicationBioWireleSS 2014 - Proceedings
Subtitle of host publication2014 IEEE Topical Conference on Biomedical Wireless Technologies, Networks, and Sensing Systems
PublisherIEEE Computer Society
Pages43-45
Number of pages3
ISBN (Print)9781479923168
DOIs
StatePublished - Jan 1 2014
Event2014 IEEE Topical Conference on Biomedical Wireless Technologies, Networks, and Sensing Systems, BioWireleSS 2014 - Newport Beach, CA, United States
Duration: Jan 19 2014Jan 23 2014

Publication series

NameBioWireleSS 2014 - Proceedings: 2014 IEEE Topical Conference on Biomedical Wireless Technologies, Networks, and Sensing Systems

Other

Other2014 IEEE Topical Conference on Biomedical Wireless Technologies, Networks, and Sensing Systems, BioWireleSS 2014
CountryUnited States
CityNewport Beach, CA
Period1/19/141/23/14

All Science Journal Classification (ASJC) codes

  • Computer Networks and Communications
  • Biomedical Engineering

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  • Cite this

    Tofighi, M., & Huang, S. M. (2014). Radiation efficiency of planar implantable antennas at ISM band. In BioWireleSS 2014 - Proceedings: 2014 IEEE Topical Conference on Biomedical Wireless Technologies, Networks, and Sensing Systems (pp. 43-45). [6827724] (BioWireleSS 2014 - Proceedings: 2014 IEEE Topical Conference on Biomedical Wireless Technologies, Networks, and Sensing Systems). IEEE Computer Society. https://doi.org/10.1109/BioWireleSS.2014.6827724