Particle Swarm Optimized, 3D-Printed, Wideband, Compact Hemispherical Antenna

Ming Chun Tang, Xiaoming Chen, Mei Li, Richard W Ziolkowski

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

A 3D-printed, wideband, compact hemispherical- shaped antenna is presented. It consists of a driven strip monopole and several parallel near-field resonant parasitic (NFRP) strips that reside on the surfaces of a hemispherical shell. The monopole strip lies on the interior surface; the NFRP strips lie on the exterior one. This arrangement facilitates the requisite stable near-field capacitive coupling between them over a wide frequency range. The particle-swarm optimization (PSO) algorithm is used to define the lengths and locations of the monopole and NFRP strips to achieve its optimized operational bandwidth around 700 MHz given its compact size. The hemispherical shell was 3D printed with acrylonitrile butadiene styrene (ABS); the strips were applied to it with silver paste. This prototype was tested. The measured results, in agreement with their simulated values, demonstrate that it achieves a 17.97% -10-dB fractional impedance bandwidth over which stable realized gain values, near 3.5 dBi, are attained. With its low-cost fabrication and attractive performance characteristics, this 3D printed antenna is suitable for indoor multi-path wireless communication systems.

Original languageEnglish (US)
JournalIEEE Antennas and Wireless Propagation Letters
DOIs
StateAccepted/In press - Jun 13 2018

Fingerprint

Antennas
Bandwidth
Microstrip antennas
Butadiene
Particle swarm optimization (PSO)
Styrene
Communication systems
Silver
Fabrication
Costs

Keywords

  • 3D printing
  • compact antenna
  • near-field resonant parasitic (NFRP) elements
  • PSO algorithm
  • spherical antenna
  • wide bandwidth

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

Cite this

Particle Swarm Optimized, 3D-Printed, Wideband, Compact Hemispherical Antenna. / Tang, Ming Chun; Chen, Xiaoming; Li, Mei; Ziolkowski, Richard W.

In: IEEE Antennas and Wireless Propagation Letters, 13.06.2018.

Research output: Contribution to journalArticle

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