Reducing the height of a monopole antenna by using magneto dielectric material

Ikram, Amna; Laurin, Jean‐Jacques

doi:10.1109/antem.2016.7550225

Cited by 2 publications

(2 citation statements)

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“…Meanwhile, in terms of expanding the bandwidth, CPW-fed has usually been employed to produce several different surface current paths, and then broadband has been achieved. 7,8 Parasitic elements are often used in monopole antennas to improve antenna impedance bandwidth and pattern bandwidth. 9-11 Also, lumped elements are used in the monopole antenna to improve bandwidth.…”

Section: Introductionmentioning

confidence: 99%

“…Using magneto‐dielectric material of high permittivity and high permeability to reduce the height of the monopole antenna without sacrificing the desired bandwidth, 6 and other technical methods to achieve miniaturization of the antenna. Meanwhile, in terms of expanding the bandwidth, CPW‐fed has usually been employed to produce several different surface current paths, and then broadband has been achieved 7,8 . Parasitic elements are often used in monopole antennas to improve antenna impedance bandwidth and pattern bandwidth 9–11 .…”

Section: Introductionmentioning

confidence: 99%

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Design of Ka‐band, broadband, omnidirectional, with a top metal disk antenna

Wang,

Lu,

et al. 2023

Micro & Optical Tech Letters

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In this report, a Ka‐band, broadband, omnidirectional, with a top metal disk antenna is proposed. The antenna is fed by an air waveguide. The TE10 mode of the waveguide can efficiently be converted into an air coaxial TEM mode by a compact waveguide air coaxial transition. After matching and adjusting, the dielectric substrate is loaded and then transited to the metal radiation structure loaded with a top metal disc to obtain omnidirectional electromagnetic waves efficiently converted to free space. By optimizing the sizes of waveguide to air‐coaxial transition structure and disk, and so on, a good broadband omnidirectional antenna performance is finally achieved. The measured fractional impedance bandwidth is larger than 30% with the reference of S11 dB, which fully verifies the rationality of the design. In addition, measured patterns at the plane of different azimuth angles almost coincide with each other, which shows an excellent omnidirectional pattern.

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Section: Introductionmentioning

confidence: 99%