Orthogonal Polarized Omnidirectional Antenna Composed of Halo Antenna with Parasitic Elements and Dipole Antenna

Mizutani, Tomokazu; Michishita, Naobumi; Sato, Hiroshi; Koyanagi, Yoshio; Morishita, Hisashi

doi:10.1109/isap53582.2022.9998664

Cited by 2 publications

(2 citation statements)

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“…In addition, although the design in ref. [22] comprised a smaller antenna, the proposed antenna has a wider bandwidth and stable gain variation.…”

Section: Experimental Results and Considerationmentioning

confidence: 99%

“…Therefore, the authors of ref. [22] proposed reducing the height of the antenna by inserting a dipole antenna as a VP element inside a halo antenna with two parasitic elements. The relative bandwidth, antenna element diameter, and height were 7.8%, 0.13 λ min , and 0.47 λ min , respectively; thus, the antenna height was reduced while maintaining the relative bandwidth.…”

Section: Introductionmentioning

confidence: 99%

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Increasing bandwidth of orthogonally polarised omnidirectional antenna composed of halo and sleeve antennas

Mizutani

Michishita

Sato

et al. 2023

IET Microwaves Antenna & Prop

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In this study, we developed and investigated a small-diameter, low-profile, wideband orthogonal-polarisation multiple-input multiple-output (MIMO) antenna. A polarisation MIMO antenna is a combination of a modified sleeve antenna for vertical polarisation and a halo antenna with four parasitic elements for horizontal polarisation. Four parasitic elements vertically were loaded above and below the halo antenna, and a sleeve antenna with an upper sleeve structure was inserted inside the halo antenna to achieve a low profile, wideband antenna with a small diameter. Simulation and measurement results showed that the proposed antenna achieved a relative bandwidth of 10.1% (|S 11 | and |S 22 | ≤ −10 dB). For the lower frequency wavelength (λ min ) in the required bandwidth, the diameter and height of the proposed antenna are 0.14λ min and 0.57λ min respectively. Additionally, it is capable of orthogonal-polarisation isolation of approximately 20 dB within the operating frequency bandwidth.

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“…In addition, although the design in ref. [22] comprised a smaller antenna, the proposed antenna has a wider bandwidth and stable gain variation.…”

Section: Experimental Results and Considerationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Increasing bandwidth of orthogonally polarised omnidirectional antenna composed of halo and sleeve antennas

Mizutani

Michishita

Sato

et al. 2023

IET Microwaves Antenna & Prop

View full text Add to dashboard Cite

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A Novel Compact Omnidirectional Tubby Patch Antenna with Capacitive Loading for Stable Radiation in Aero Vehicle Wireless Communications

2024

2024 Photonics &Amp; Electromagnetics Research Symposium (PIERS)

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Orthogonal Polarized Omnidirectional Antenna Composed of Halo Antenna with Parasitic Elements and Dipole Antenna

Cited by 2 publications

References 1 publication

Increasing bandwidth of orthogonally polarised omnidirectional antenna composed of halo and sleeve antennas

Increasing bandwidth of orthogonally polarised omnidirectional antenna composed of halo and sleeve antennas

A Novel Compact Omnidirectional Tubby Patch Antenna with Capacitive Loading for Stable Radiation in Aero Vehicle Wireless Communications

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