A COMPACT FREQUENCY RECONFIGURABLE METASURFACE ANTENNA BASED ON ROTATIONAL TUNING FOR MILLIMETER-WAVE APPLICATIONS

Emine Ceren Gözek; Ahmet Serdar Yılmaz

doi:10.17780/ksujes.1685162

EN TR

A COMPACT FREQUENCY RECONFIGURABLE METASURFACE ANTENNA BASED ON ROTATIONAL TUNING FOR MILLIMETER-WAVE APPLICATIONS

Abstract

This study presents a circular microstrip patch antenna design capable of frequency tuning within the 33–39 GHz band, integrated with a rotatable dielectric metasurface layer. By eliminating the air gap between the radiator and the metasurface, a compact and low-profile structure is achieved. Frequency tuning is achieved through the mechanical rotation of the metasurface, allowing the resonance frequency to vary according to the rotation angle. Simulations and measurements exhibit strong agreement, confirming the antenna's ability to achieve dynamic frequency tuning with high radiation efficiency. The antenna exhibits superior performance, featuring a peak gain of 7.16 dBi, a VSWR of less than 2 across all configurations, and a minimum reflection coefficient of –55 dB. This mechanical design, which does not require active components, offers an effective alternative to electronically controlled antennas and provides a suitable solution for advanced mm-wave applications such as 5G, satellite communications, and cognitive radio.

Keywords

MİLİMETRE DALGA UYGULAMALARI İÇİN DÖNER MEKANİZMALI KOMPAKT FREKANS YENİDEN YAPILANDIRILABİLİR METAYÜZEY ANTEN

Öz

Bu çalışma, 33–39 GHz bandında frekans ayarı yapabilen, döndürülebilir metayüzey dielektrik katmanı ile entegre edilmiş dairesel mikroşerit yama anten tasarımı sunmaktadır. Radyatör ile metayüzey arasındaki hava boşluğu kaldırılarak kompakt ve düşük profilli bir yapı elde edilmiştir. Frekans ayarı, metayüzeyin mekanik olarak döndürülmesiyle sağlanmakta ve dönme açısına bağlı olarak rezonans frekansı değiştirilebilmektedir. Simülasyon ve ölçümler yüksek uyum göstermiş, antenin yüksek radyasyon verimliliğiyle dinamik frekans ayarı yaptığı doğrulanmıştır. Anten 7.16 dBi tepe kazancı, 2’nin altında VSWR ve –55 dB’e ulaşan minimum yansıma katsayısı ile üstün performans sergilemektedir. Aktif bileşen gerektirmeyen bu mekanik tasarım, elektronik kontrollü antenlere etkili bir alternatif sunarak 5G, uydu haberleşmesi ve bilişsel radyo gibi gelişmiş mm-dalga uygulamaları için uygun bir çözüm oluşturmaktadır.

Anahtar Kelimeler

Supporting Institution

Kahramanmaraş Sütçü İmam Üniversitesi

Project Number

2024/8-20 M

Ethical Statement

Bu çalışmada bilimsel ve etik kurallara uyulmuştur. Çalışmada etik kurul izni gerektiren bir durum bulunmamaktadır. Başkalarına ait tüm çalışmalar ve görüşler uygun şekilde kaynak gösterilmiştir. Çalışma daha önce başka bir yerde yayımlanmamış ya da yayımlanmak üzere gönderilmemiştir. Tüm yazarlar makalenin son halini görüp yayımlanmasına onay vermiştir. Çalışmada herhangi bir çıkar çatışması bulunmamaktadır.

Thanks

Bu çalışma Kahramanmaraş Sütçü İmam Üniversitesi Bilimsel Araştırma Projeleri Birimi tarafından finansal olarak desteklenmiştir. Proje numarası: 2024/8-20 M

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Details

Primary Language

English

Subjects

Electrical Engineering (Other)

Journal Section

Research Article

Authors

Emine Ceren Gözek ^*
0000-0002-3242-4612
Türkiye

Ahmet Serdar Yılmaz
0000-0002-5735-3857
Türkiye

Publication Date

September 3, 2025

Submission Date

April 28, 2025

Acceptance Date

June 2, 2025

Published in Issue

Year 2025 Volume: 28 Number: 3

DOI

https://doi.org/10.17780/ksujes.1685162

IZ

https://izlik.org/JA47UW74CD

Cite

RIS / Bibtex

APA

Gözek, E. C., & Yılmaz, A. S. (2025). A COMPACT FREQUENCY RECONFIGURABLE METASURFACE ANTENNA BASED ON ROTATIONAL TUNING FOR MILLIMETER-WAVE APPLICATIONS. Kahramanmaraş Sütçü İmam Üniversitesi Mühendislik Bilimleri Dergisi, 28(3), 1613-1623. https://doi.org/10.17780/ksujes.1685162