High-directivity microstrip antenna with Mandelbrot fractal boundary

Jaume Anguera, Aurora Andújar, Sergio Benavente, Jeevani Jayasinghe, Sungtek Kahng

    Research output: Indexed journal article Articlepeer-review

    27 Citations (Scopus)


    High-directivity is a needed feature for small base station antennas in order to provide coverage to a certain geographic area. For wireless communications, arrays of microstrip antennas are frequently used as radiating elements due to their thin profile. In this study, a single microstrip element is proposed to achieve the same directivity as an array with a similar area but without using the complex feeding network usually required. A microstrip antenna inspired by the Mandelbrot fractal is designed achieving a narrow beamwidth in the vertical plane and a wide beamwidth in the horizontal plane, which is especially suitable for hot-spots.

    Original languageEnglish
    Pages (from-to)569-575
    Number of pages7
    JournalIET Microwaves, Antennas and Propagation
    Issue number4
    Publication statusPublished - 28 Mar 2018


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