Feasibility Investigation of SIW Cavity-Backed Patch Antenna Array for Ku Band Applications
Source abstract
Abstract
A cavity-backed microstrip patch antenna array was optimized in the Ku band. The backing cavity was designed under each patch antenna of the array in order to increase the bandwidth and minimize the intercoupling among the radiating elements. Substrate integrated waveguide (SIW) technology was employed to fabricate the above-mentioned cavity below the radiating patch. More precisely, four microstrip array antennas, made by 2 × 2, 4 × 4, 8 × 8, and 16 × 16 elements were designed, fabricated, and characterized. The measured maximum gain was G = 13 dBi, G = 18.7 dBi, G = 23.8 dBi, and G = 29.2 dBi, respectively. The performance of the proposed antenna arrays was evaluated in terms of radiation pattern and bandwidth. An extensive feasibility investigation was performed even from the point of different materials/costs in order to state the potential of the engineered antennas in actual applications. The obtained results indicate that a cavity-backed microstrip patch antenna is a feasible solution for broadband digital radio and other satellite communication overall for niche applications.
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Research context
OpenAlex topics: Microwave Engineering and Waveguides · Antenna Design and Analysis · Advanced Antenna and Metasurface Technologies
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Dipartimento di Ingegneria Elettrica e dell’Informazione, Politecnico di Bari Via Orabona 4, 70125 Bari, Italy
Dipartimento di Ingegneria, Università di Perugia, Via G. Duranti 93, 06123 Perugia, Italy
R&D Department, Somacis Spa, Via Jesina 17, 60022 Castelfidardo, Italy
Dipartimento di Ingegneria dell’Informazione, Università Politecnica delle Marche Via Brecce Bianche, 60131 Ancona, Italy
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