A practical study of multi-layer high gain U-slot printed antenna array design

Yıl 2025, Cilt: 14 Sayı: 3, 846 - 854, 15.07.2025

Gülden Günay Bulut Öner , Asena Melike Çayan , Suad Başbuğ , Yasemin Altuncu

https://doi.org/10.28948/ngumuh.1643101

Öz

In this paper, we propose the design of a multi-layer high-gain U-slot printed antenna array consisting of 2x2 elements.The design consists of four layers: The first layer is a ground plane as a single-sided copper clad FR4. The second layer, made from PETG material, is introduced to enhance the bandwidth of the antenna. Microstrip antenna elements and feed lines are etched into the top segment of the third layer. The fourth layer is a directive structure used to increase the gain of the antenna array, which consists of 8x8 64-elements microstrip patches separated by air gap from the main body. This parasitic layer is supported by four rods fixed to the third layer. According to the results, the simulated center frequency of the proposed design is 2.61 GHz. The maximum gain simulated at 2.61 GHz is 12 dBi, and the measured impedance bandwidth is 14.27%. Additionally, in this study, the fabrication and measurements of the presented antenna were carried out to validate the simulation results. Comparisons between the simulation and measurement data show good agreement in the S11 parameter and radiation pattern graphs.

Anahtar Kelimeler

Antenna array , high gain , multi-layer , U-slot antenna

Proje Numarası

120E396

Teşekkür

This work is supported by the Scientific and Technological Research Council of Turkey (TUBITAK) under grant number 120E396

Çok katmanlı yüksek kazançlı U-yarık anten dizisi tasarımının pratik bir çalışması

Öz

Bu makalede, 2x2 elemanlardan oluşan çok katmanlı yüksek kazançlı U-yarık anten dizisinin tasarımı sunulmaktadır. Tasarım dört katmandan oluşmaktadır: Birinci katman, tek yüzü bakır kaplanmış FR4 malzemesinden oluşan bir toprak düzlemidir. İkinci katman, antenin bant genişliğini artırmak için PETG malzemesinden yapılmıştır. Üçüncü katmanın üst segmentine mikroşerit anten elemanları ve besleme hatları kazınmıştır. Dördüncü katman, anten dizisinin kazancını artırmak için kullanılan yönlendirilmiş bir yapıdır ve bu yapı, ana gövdeden hava boşluğu ile ayrılmış 8x8'lik 64 elemanlı mikroşerit yama elemanlarından oluşmaktadır. Bu parazitik katman, üçüncü katmana sabitlenmiş dört çubukla desteklenmektedir. Sonuçlara göre, önerilen tasarımın simüle edilmiş merkezi frekansı 2.61 GHz'dir. 2.61 GHz'de simüle edilen maksimum kazanç 12 dBi ve ölçülen empedans bant genişliği %14.27 olarak elde edilmiştir. Ayrıca bu çalışmada, simülasyon sonuçlarının doğrulanması amacıyla sunulan antenin üretimi ve ölçümleri gerçekleştirilmiştir. Simülasyon ve ölçüm verileri arasındaki karşılaştırmalar S11 parametresi ve ışıma örüntüsü grafiklerinde iyi bir uyum olduğunu göstermektedir.

Anahtar Kelimeler

Anten dizisi , yüksek kazanç , çok katman , U-yarık anten

Proje Numarası

120E396

Kaynakça

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