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Compact and ultra-wideband implantable MIMO antenna for deep tissue wireless applications

Author

Listed:
  • Daibin Jing
  • Hua Li
  • Qimao Huang
  • Xiao Ding
  • Shaoqiu Xiao

Abstract

To overcome the mismatch issues and achieve high data rate for medical applications in human body environment, an ultra-wideband implantable MIMO antenna is proposed. The antenna has a compact size of 9 × 9 × 0.508 mm3. By loading an H-shaped parasitic patch on top of the superstrate to improve impedance matching, the antenna achieves an ultra-wide bandwidth of 1.24 GHz, covering two frequency bands: industrial, scientific, and medical (ISM) (2.4-2.48 GHz), and midfield band (1.52-1.693 GHz). The MIMO antenna consists of two elements and shares a slotted ground plane, achieving high isolation. The |S21| is below −20 dB in both simulation and measurement within the ultra-wide operating frequency band. The antenna is integrated with virtual electronic components, and the robustness of the antenna is evaluated by comparing and analyzing the performance before and after integration. S-parameters are measured, more than 62.6% of the bandwidth was obtained.

Suggested Citation

  • Daibin Jing & Hua Li & Qimao Huang & Xiao Ding & Shaoqiu Xiao, 2024. "Compact and ultra-wideband implantable MIMO antenna for deep tissue wireless applications," Journal of Electromagnetic Waves and Applications, Taylor & Francis Journals, vol. 38(15), pages 1679-1694, October.
    • Handle: RePEc:taf:tewaxx:v:38:y:2024:i:15:p:1679-1694
    DOI: 10.1080/09205071.2024.2394436
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