Design and Analysis of Conformal Antenna for Future Public Safety Communications: Enabling Future Public Safety Communication Infrastructure

Crespo-Bardera, Estefania; Martin, Aaron Garrido; Fernandez-Duran, A.; Sanchez-Fernandez, Matilde

doi:10.1109/map.2020.3000711

Cited by 10 publications

(1 citation statement)

References 16 publications

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“…In addition, low-profile, broad bandwidth, polarization diversity and wide coverage are also important to maximize performance [1]- [4]. Conformal antenna arrays can meet these requirements in addition to allowing easy integration on a curved surface [5], [6]. Cylindrical array is one of such examples that can provide an omnidirectional coverage in the azimuth while achieving high directivity in the elevation plane.…”

Section: Introductionmentioning

confidence: 99%

A Dual Slant-Polarized Cylindrical Array of Tightly Coupled Dipole Antennas

Zhang

Shi

et al. 2022

IEEE Access

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This study proposes a design of a low-profile ultra wide-band cylindrical antenna array with plus/minus 45-degree dual polarization. The proposed compact cylindrical antenna array produces an omnidirectional radiation pattern in the azimuth plane to cover all directions. It consists of 20 × 4 dualpolarized elements within a diameter of 131 mm and a height of 116 mm. The array elements are tightly coupled slant-polarized wideband dipole antennas, and hence, rotational symmetry of radiation patterns in the horizontal plane is achieved for the two orthogonal polarizations. Furthermore, a metasurface structure has been designed and placed over the interconnected array elements to achieve ultrawideband capabilities. The proposed array provides less than −10 dB reflection coefficient over a frequency band between 1.7 GHz and 5.9 GHz. The cross-polarization discrimination (XPD) is 15 dB at boresight in the azimuth plane. The electromagnetic characteristics of the cylindrical array and its corresponding planar array before bending have been evaluated and compared via simulations, and verified by measurements. The compact size, lightweight, and printable design of the proposed antenna array enable low-cost manufacturing and ease of installation. The proposed array design overcomes many challenges encountered in wide-band MIMO systems by covering the entire sub-6 GHz band while providing wide 360-degree coverage in the azimuth plane, hence, supporting multibeam applications.INDEX TERMS Cylindrical arrays, frequency selective surfaces, phased arrays, planar arrays, ultrawideband antennas.

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Section: Introductionmentioning

confidence: 99%

A Dual Slant-Polarized Cylindrical Array of Tightly Coupled Dipole Antennas

Zhang

Shi

et al. 2022

IEEE Access

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3D printing conformal metasurface for Fabry‐Perot resonator antenna application

Xie

Wang

2021

Int J RF Microw Comput Aided Eng

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A conformal receiver-transmitter metasurface (MS) for high gain conformal Fabry-Perot (FP) resonator antenna is presented in this article. The meta-atom consists of three layers of metal structures and two layers of supporting structures. The three layers of metal structures, including receiver patch, radiator patch and ground plane, are printed on ultra-thin substrates. The reception and radiation of the meta-atom are separated by the ground plane, in which case, the reflection and transmission coefficients of the meta-atom can be tuned independently. This property enables the MS to realize transmission phase compensation while maintain the reflection coefficient constant. Also, the supporting structures are fabricated by 3D printing technology, thus they can be fabricated into cylinder and the metal structures on ultra-thin substrates are easily conformed to them. A conformal patch feed antenna is designed in the same way. Then the conformal FP resonator antenna is formed by the MS and the feed antenna. Through tuning the transmission phase of each meta-atom, the MS can make the wave coming out of the cavity appear as a nearly plane wave. The peak gain of the conformal FP resonator antenna reaches 18 dB with aperture efficiency of 58.5%. Fine radiation pattern and high gain property are obtained by the conformal resonator antenna. The measured results verify the performance of the proposed conformal antenna. The design in this article can greatly promote the practical application of the FP resonator antenna.

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A Low Profile Meta-Material Loaded Koch Fractal Antenna for Broadband Public Safety Applications

Iyampalam

Ganesan²

2022

Wireless Pers Commun

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Design and Analysis of Conformal Antenna for Future Public Safety Communications: Enabling Future Public Safety Communication Infrastructure

Cited by 10 publications

References 16 publications

A Dual Slant-Polarized Cylindrical Array of Tightly Coupled Dipole Antennas

A Dual Slant-Polarized Cylindrical Array of Tightly Coupled Dipole Antennas

3D printing conformal metasurface for Fabry‐Perot resonator antenna application

A Low Profile Meta-Material Loaded Koch Fractal Antenna for Broadband Public Safety Applications

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