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Stacked quasi-elliptical patch array with circular polarisation

Stacked quasi-elliptical patch array with circular polarisation

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  • Author(s): K.L. Chung 1  and  H.K. Kan 2
    • View affiliations
    • Affiliations: 1: Department of Electronic and Information Engineering, Hong Kong Polytechnic University, Hung Hom, Hong Kong, People's Republic of China
      2: School of Engineering & Physics, Faculty of Science and Technology, The University of the South Pacific, Suva, Fiji
  • Source: Volume 43, Issue 10, 10 May 2007, p. 555 – 557
    DOI:  10.1049/el:20070380 , Print ISSN 0013-5194, Online ISSN 1350-911X
© The Institution of Engineering and Technology
Published

A simple stacked subarray antenna with circular polarisation is presented. The antenna is based on a quasi-elliptical patch antenna fed with a 45° offset microstrip line and a circular patch stacked on top of it via an air substrate. The single-element circularly polarised antenna is sequentially rotated into a four-element synchronous subarray resulting in improvement in antenna performance in terms of impedance bandwidth, gain and axial ratio. The antenna is experimentally verified and the results are reported.

Inspec keywords: antenna feeds; microstrip antenna arrays; electromagnetic wave polarisation

Other keywords: antenna gain; single-element circularly polarised antenna; quasi-elliptical patch antenna; stacked quasi-elliptical patch array; impedance bandwidth; axial ratio; stacked subarray antenna; circular polarisation; offset microstrip line feed; air substrate; four-element synchronous subarray; circular patch

Subjects: Antenna accessories; Antenna arrays

References

    1. 1)
      • J.P. Damiano , J. Bennegueouche , A. Papiernik . Study of multilayer microstrip antennas with radiating elements of various geometry. IEE Proc. H, Microw. Antennas Propag. , 163 - 170
    2. 2)
    3. 3)
    4. 4)
    5. 5)
    6. 6)
    7. 7)
      • L.C. Shen . The elliptical microstrip antenna with circular polarisation. IEEE Trans. Antennas Propag. , 90 - 94
    8. 8)
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