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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2018-04-11
An Omnidirectional Printed Collinear Microstrip Antenna Array
By
Davoud Zarifi,

    Dr. Davoud Zarifi

    Department of Electrical Engineering

    Iran University of Science and Technology

    Iran

    Homepage

Ali Ahmadi

    Dr. Ali Ahmadi

    Department of Electrical Engineering

    Imam Hossein University

    Iran

    Homepage

Progress In Electromagnetics Research Letters, Vol. 75, 33-38, 2018
doi:10.2528/PIERL18022504 | Google Scholar

Abstract
An omnidirectional antenna array is proposed in this paper. The antenna unit of the array is composed of ten radiation patches and the associated microstrip feeding network. Some gaps between top and back patches are introduced in the antenna to improve matching, ease of feeding and enhance the bandwidth. Microwave experiments and numerical simulations are performed to demonstrate antenna functionalities. The fabricated antenna exhibits a bandwidth of 14% (1-1.15 GHz) for VSWR ≤ 1.5, with a gain around 6 dBi. The results are valuable for the design and evaluation of omnidirectional planar antenna arrays with good impedance matching, which are important for airborne and navigation applications.
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Citation
Davoud Zarifi, and Ali Ahmadi, "An Omnidirectional Printed Collinear Microstrip Antenna Array," Progress In Electromagnetics Research Letters, Vol. 75, 33-38, 2018.
doi:10.2528/PIERL18022504
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