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Flexible zeroth-order resonant antenna independent of substrate deformation

Flexible zeroth-order resonant antenna independent of substrate deformation

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  • Author(s): T.J. Jung 1 ; J.H. Kwon 2 ; S. Lim 1
    • View affiliations
    • Affiliations: 1: School of Electrical and Electronics Engineering, Chung-Ang University, Seoul, Republic of Korea
      2: Radio Technology Research Department, Electronics and Telecommunications Research Institute (ETRI), Daejeon, Republic of Korea
  • Source: Volume 46, Issue 11, 27 May 2010, p. 740 – 742
    DOI:  10.1049/el.2010.0921 , Print ISSN 0013-5194, Online ISSN 1350-911X
© The Institution of Engineering and Technology
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A novel flexible zeroth-order resonant (ZOR) antenna is proposed. Its zero phase constant ensures that the antenna performance is independent of substrate deformation. A composite right/left-handed transmission line is designed based on coplanar waveguide technology to realise the zeroth-order resonance phenomenon. This provides good performance: reasonable bandwidth (6.5%) and peak gain (0.69–1.39 dBi). Simulated and measured results show that the antenna's resonant frequencies and radiation patterns are almost unchanged at different curvature diameters of 30, 50, 70 mm, as well as for a flat surface. It is belived that this is the first reported ZOR antenna on a flexible substrate.

Inspec keywords: antenna radiation patterns

Other keywords: substrate deformation; resonant frequencies; antenna performance; flexible zeroth-order resonant antenna; radiation patterns; coplanar waveguide technology

Subjects: Single antennas

References

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