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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2017-07-05
Butter Fly Shape Compact Microstrip Antenna for Wideband Applications
By
Rakesh Nath Tiwari,

    Dr. Rakesh Nath Tiwari

    Electronics and Communication Engineering

    Madanapalle Institute of Technology & Science

    India

    Homepage

Prabhakar Singh,

    Dr. Prabhakar Singh

    Department of Physics

    Galgotias University

    India

    Homepage

Binod Kanaujia

    Dr. Binod Kanaujia

    School of Computational and Integrative Sciences

    Jawaharlal Nehru University

    India

    Homepage

Progress In Electromagnetics Research Letters, Vol. 69, 45-50, 2017
doi:10.2528/PIERL17042703 | Google Scholar

Abstract
In this article, a novel design of butterfly-shaped compact and small size microstrip antenna is proposed. The radiating structure consists of four circular discs in coalesced form and fed with coaxial probe. The initial antenna resonates at 9.64 GHz with impedance bandwidth of 11.41%. The resonance frequency is further reduced to 8.12 GHz with bandwidth 10.10%, when a rectangular slot is incorporated in the initial patch. Finally, two parallel slots are embedded in the initial patch which improves the antenna bandwidth up to 21.50% (6.02-7.47 GHz). The gain and efficiency of this antenna are above 8.80 dBi and 90% respectively across the entire operating band. Radiation pattern is calculated at lower end (6.02 GHz), upper end (7.47 GHz) and centre frequency (6.75 GHz) of operating band. The proposed antenna is fabricated, and measured results are validated with the simulated ones.
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Citation
Rakesh Nath Tiwari, Prabhakar Singh, and Binod Kanaujia, "Butter Fly Shape Compact Microstrip Antenna for Wideband Applications," Progress In Electromagnetics Research Letters, Vol. 69, 45-50, 2017.
doi:10.2528/PIERL17042703
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