A dual-band implantable antenna with wide-band characteristics at MICS and ISM bands

A. Basir*, A. Bouazizi, M. Zada, A. Iqbal, S. Ullah, U. Naeem

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

19 Citations (Scopus)


This letter presents the design of a miniaturized dual-band spiral antenna for biomedical applications. The recommended antenna covers both the Medical Implant Communication Service MICS (402-405 MHz) as well as the Industrial Scientific Medical ISM (2.4-2.48 GHz) band. Different size reduction techniques have been applied to downsize the antenna and the latter achieved a compact size of 14 × 17 × 0.25 mm3. For validation purpose, measurements were conducted in the saline solution having properties comparable to muscles. The structure achieves very good measured peak gain values of −33 dBi and − 16 dBi at 403 MHz and 2.45 GHz, respectively. The proposed antenna has a wide-band characteristic at both bands, which is the key for an antenna to be implanted into different tissue environments. Both the simulated and measured impedance bandwidths are sufficiently covering the intended bands. A decent agreement is observed between simulated and measured results.

Original languageEnglish
Pages (from-to)2944-2949
Number of pages6
JournalMicrowave and Optical Technology Letters
Issue number12
Early online date24 Oct 2018
Publication statusPublished - Dec 2018


  • bandwidth
  • Biomedical applications
  • implantable
  • ISM
  • MICS
  • miniaturization

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Electrical and Electronic Engineering


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