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Miniature aperture-coupled microstrip antenna of very high permittivity

Miniature aperture-coupled microstrip antenna of very high permittivity

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Published

A miniature aperture-coupled microstrip antenna of very high permittivity designed at 1.66 GHz is described. Superstrates of appropriate thickness are added on the substrate for gain enhancement. Its size is dramatically reduced and the electrical performance remains almost the same as compared with the conventional microstrip antenna of low dielectric constant. Experimental data for the return loss, radiation pattern and measured antenna gain are presented to validate the design.

Inspec keywords: antenna feeds; permittivity; microstrip antennas; antenna radiation patterns

Other keywords: dielectric constant; 1.66 GHz; superstrate; radiation pattern; return loss; miniature aperture-coupled microstrip antenna; electrical properties; permittivity; gain

Subjects: Antenna accessories; Single antennas

References

    1. 1)
      • N.G. Alexopoulos , D.R. Jackson . Fundamental superstrate (cover) effects on printed circuit antennas. IEEE Trans. , 8 , 807 - 816
    2. 2)
      • Y. Hwang , Y.P. Zhang , G.X. Zheng , T.K. Lo . Planar inverted-F antenna loaded with high permittivity material. Electron. Lett. , 1710 - 1712
    3. 3)
      • I. Park , R. Mittra . Aperture-coupled small microstrip antenna. Electron. Lett. , 1741 - 1742
    4. 4)
      • M. Sanad . Effect of the shorting posts on short circuit microstrip antennas. Proc. IEEE AP-Sym. , 794 - 797
    5. 5)
      • Y.P. Zhang , T.K. Lo , Y. Hwang . A dielectric loaded miniature antenna for microcellular and personalcommunications. Proc. IEEE AP-Sym. , 1152 - 1155
    6. 6)
      • R.B. Waterhouse . Small microstrip patch antenna. Electron. Lett. , 604 - 605
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