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Analysis and experimental verification of multi-band thin monopole antennas loaded with half-mode CRLH-inspired resonators

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  • Mahmoud A. Abdalla
  • Zhirun Hu

Abstract

This paper presents analysis and experimental measurements of CPW and microstrip compact monopole antennas loaded with resonator circuits inspired from simplified half-mode composite right / left-handed unit cell. The antennas were designed to have a typical omnidirectional radiation pattern. The CPW fed dual-band antenna resonates at 2.4 and 5.8 GHz, respectively. The antenna size is 20 × 30 mm2 and the radiator patch is only 25% at 2.4 GHz and 60% 5.8 GHz in comparison with a conventional patch antenna. The microstrip triple-band antenna covers the frequency bands from 2 to 2.4 GHz, 5.4 to 6 GHz and 6.8 to 8 GHz. The antenna size is 28 × 25 mm2 which is less than 25% at lower frequency band compared to the size of the conventional patch antenna. Detailed theoretical and full-wave analysis is presented and experimental results demonstrate a good agreement between the measured and the simulated. The suggested antennas can be employed for compact size and multi-band functionalities in wireless applications. The loading technique can be adapted for more frequency bands.

Suggested Citation

  • Mahmoud A. Abdalla & Zhirun Hu, 2018. "Analysis and experimental verification of multi-band thin monopole antennas loaded with half-mode CRLH-inspired resonators," Journal of Electromagnetic Waves and Applications, Taylor & Francis Journals, vol. 32(13), pages 1697-1709, September.
    • Handle: RePEc:taf:tewaxx:v:32:y:2018:i:13:p:1697-1709
    DOI: 10.1080/09205071.2018.1466729
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