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Compact microstrip-T coupled patch antenna for dual polarisation and active antenna applications

Compact microstrip-T coupled patch antenna for dual polarisation and active antenna applications

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  • Author(s): D.G. Kurup 1 ; A. Rydberg 1 ; M. Himdi 2
    • View affiliations
    • Affiliations: 1: Signals and Systems Group, Uppsala University, Uppsala, Sweden
      2: Institut d' Electronique et de Tlcommunications de Rennes (IETR), Groupe Antennes & Hyperfrquences, Universit de RENNES I, Rennes Cedex, France
  • Source: Volume 38, Issue 21, 10 October 2002, p. 1240 – 1241
    DOI:  10.1049/el:20020866 , Print ISSN 0013-5194, Online ISSN 1350-911X
© IEE
Published

A novel way of feeding single-layer microstrip patch antennas using electromagnetically coupled microstrip-T junctions is proposed. The measured isolation and 10 dB bandwidth of an X-band dual polarised antenna are ∼32 dB and 2.1%, respectively, on an εr 3.0 substrate. Since both ports of the antenna are electromagnetically coupled, the proposed antenna eliminates the need for capacitors in the RF path for active antenna applications.

Inspec keywords: waveguide junctions; electromagnetic wave polarisation; active antennas; antenna radiation patterns; microstrip antennas; antenna feeds

Other keywords: X-band dual polarised antenna; electromagnetically coupled microstrip-T junctions; active antenna applications; H-plane radiation patterns; microstrip-T coupled patch antenna; compact antenna; single-layer microstrip patch antennas; E-plane radiation patterns; dual polarisation antenna

Subjects: Single antennas; Antenna accessories; Waveguide and microwave transmission line components

References

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      • M.J. Cryan , P.S. Hall . Integrated active antenna with simultaneous transmit-receive operation. Electron. Lett. , 286 - 287
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      • S.C. Gao , L.W. Li , P. Gardner , P.S. Hall . Wideband dual-polarised microstrip patch antenna. Electron. Lett. , 1213 - 1214
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      • J. Huang . The finite ground plane effect on the microstrip antenna radiation patterns. IEEE Trans. Antennas Propag. , 649 - 653
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      • K. Chang , R.A. York , P.S. Hall , T. Itoh . Active integrated antennas. IEEE Trans. Microw. Theory Tech. , 937 - 943
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      • D.M. Pozar , D.H. Schaubert . (1995) Microstrip antennas, the analysis and design of microstrip antennas and arrays.
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      • S.C. Gao , L.W. Li , T.S. Ye , M.S. Leong . Low cost, dual linearly polarised microstrip patch array. IEE Proc. Microw. Antennas Propag. , 21 - 24
    8. 8)
      • Bialkowski, M.E., Song, H.J., Luk, K.-M., Chan, C.-H.: `Theory of active transmit/reflect array of patch antennas operating as a spatial power combiner', IEEE Antennas and Propagation Society, Int. Symp., 2001, Boston, MA, USA, 4, p. 764–767.
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