Enhanced Gain Dual-Port Compact Printed Meandered Log-Periodic Monopole Array Antenna Design with Octagonal-Ring Shaped FSS for Broadband 28 GHz Applications

In this article, we propose a microstrip-fed printed meandered log-periodic monopole array (PMLPMA), and its dual-port configuration incorporating an octagonal ring frequency selective surface (FSS) layer. The dual-port PMLPMA antenna system has a compact structure with a total dimension of 18.75 × ...

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Bibliographic Details
Published in:Arabian journal for science and engineering (2011) 2024-12, Vol.49 (12), p.16729-16741
Main Authors: Gültekin, Seyfettin Sinan, Yerlikaya, Mehmet
Format: Article
Language:English
Subjects:
5G mobile communication
Antenna arrays
Antenna design
Antenna radiation patterns
Antennas
Applications programs
Broadband
Engineering
Frequency ranges
Frequency selective surfaces
Humanities and Social Sciences
Log periodic antennas
Microstrip antennas
Mobile computing
multidisciplinary
Radiators
Research Article-Electrical Engineering
Science
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Summary:In this article, we propose a microstrip-fed printed meandered log-periodic monopole array (PMLPMA), and its dual-port configuration incorporating an octagonal ring frequency selective surface (FSS) layer. The dual-port PMLPMA antenna system has a compact structure with a total dimension of 18.75 × 18.75 mm 2 and is designed to operate in the 5G n257 (28 GHz) band. The proposed PMLPMA radiator consists of five log-periodic monopole array elements, and the dual-port antenna system comprises two identical PMLPMAs placed vertically next to each other. Additionally, an octagonal ring-shaped single-layer FSS was implemented on the proposed antenna system to increase the gain across the operational band. Simulation results demonstrate that the dual-port PMLPMA antenna achieves a peak gain of about 3.5 dBi without the FSS layer, while a peak gain of 7.35 dBi is achieved when the FSS layer is augmented on the antenna. Moreover, isolation levels exceeding 30 dB are obtained for both cases between the 26.5–29.5 GHz frequency ranges. To verify the simulation results, the dual-port PMLPMA antenna system, and the octagonal ring-shaped FSS layer are also prototyped. The measurements align closely with the simulations in terms of performance criteria such as gain, bandwidth, and radiation patterns. Thus, the 28 GHz band antenna system exhibits great potential for 5G mobile applications.
ISSN:2193-567X
1319-8025
2191-4281
DOI:10.1007/s13369-024-09256-3