Gain-enhanced compact broadband microstrip antenna

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Gain-enhanced compact broadband microstrip antenna

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With the loading of a high-permittivity superstrate layer and a 1 Ω chip resistor, a compact rectangular microstrip antenna with enhanced gain and wider bandwidth can be implemented. With the antenna size reduced to be ~6% times that of a conventional patch antenna, the proposed structure can have an operating bandwidth of more than six times that of a conventional patch antenna, with an almost equal antenna gain level. Details of the experimental results are presented and discussed.

Inspec keywords: microstrip antennas; permittivity; rectangular waveguides

Other keywords: broadband microstrip antenna; rectangular microstrip antenna; antenna size; high-permittivity superstrate layer; chip resistor; operating bandwidth; antenna gain level; 1 ohm

Subjects: Waveguide and microwave transmission line components; Single antennas

References

    1. 1)
      • H.Y. Yang , N.G. Alexopoulos . Gain enhancement methods forprinted circuit antennas through multiple superstrates. IEEE Trans. Antennas Propag. , 7 , 860 - 863
    2. 2)
      • X.H. Shen , G.A.E. Vandenbosch , A.R. Van De Capelle . Study ofgain enhancement method for microstrip antennas using moment method. IEEE Trans. Antennas Propag. , 3 , 227 - 231
    3. 3)
      • Y. Hwang , Y.P. Zhang , G.X. Zheng , T.K.C. Lo . Planar inverted F antenna loaded with high permittivity material. Electron. Lett. , 20 , 1710 - 1712
    4. 4)
      • K.-L. Wong , Y.-F. Lin . Small broadband rectangular microstrip antenna with chip-resistorloading. Electron. Lett. , 19 , 1593 - 1594
    5. 5)
      • R. Waterhouse . Small microstrip patch antenna. Electron. Lett. , 8 , 604 - 605
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