首页|Broadband 3-D shared aperture high isolation nine-element antenna array for on-demand millimeter-wave 5G applications

Broadband 3-D shared aperture high isolation nine-element antenna array for on-demand millimeter-wave 5G applications

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  • NSTL
  • Elsevier
? 2022 Elsevier GmbHThe paper presents the results of a novel 3-D shared aperture 3 × 3 matrix antenna-array for 26 GHz band 5 G wireless networks. Radiation elements constituting the array are hexagonal-shaped patches that are elevated above the common dielectric substrate by 3.35 mm and excited through a metallic rod of 0.4 mm diameter. The rod protrudes through the substrate of 0.8 mm thickness. It is shown that by isolating each radiating element in the array with a wall suppresses unwanted electromagnetic (EM) wave interactions, resulting in improvement in the antenna's impedance matching and radiation characteristics. Moreover, the results show that by embedding hexagonal-shaped slots in the patches improve the antenna's gain and radiation efficiency performance. The subwavelength length slots in the patches essentially transform the radiating elements to exhibit metasurface characteristics when the array is illuminated by EM-waves. The proposed array structure has an average gain and radiation efficiency of 20 dBi and 93%, respectively, across 24.0–28.4 GHz. The isolation between its radiation elements is greater than 22 dB. Compared to the unslotted array the improvement in isolation between radiating elements is greater than 11 dB, and the gain and efficiency are better than 10.5 dBi, and 25%, respectively. The compact array has a fractional bandwidth of 16% and a form factor of 20×20×3.35 mm3.

5GArray antennasIsolation wallMetasurface (MTS)Shared apertureThree dimensional (3-D)

Alibakhshikenari M.、Virdee B.S.、Vadala V.、Dalarsson M.、de Cos Gomez M.E.、Alharbi A.G.、Burokur S.N.、Aissa S.、Dayoub I.、Falcone F.、Limiti E.

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Department of Signal Theory and Communications Universidad Carlos III de Madrid

Center for Communications Technology London Metropolitan University

Department of Physics University of Milano-Bicocca

School of Electrical Engineering and Computer Science KTH Royal Institute of Technology

TSC. Electrical Engineering Department University of Oviedo

Department of Electrical Engineering Faculty of Engineering Jouf University

LEME UPL Université Paris-Nanterre

Institut National de la Recherche Scientifique (INRS)

Université Polytechnique Hauts-de-France CNRS University of Lille ISEN Centrale Lille UMR 8520 Institut d’électronique de Microélectronique et de Nanotechnologie (IEMN)

Department of Electric Electronic and Communication Engineering and the Institute of Smart Cities Public University of Navarre

Electronic Engineering Department University of Rome “Tor Vergata”

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2022

10.1016/j.ijleo.2022.169708

Optik

Optik

EISCI
ISSN：0030-4026
年,卷(期)：2022.267
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