Ultra Geniş Bant Kablosuz Haberleşme Uygulamaları İçin Eş Düzlemsel Dalga Kılavuz Beslemeli 3D Baskılı Yama Anten Tasarımı

Öz

Kablosuz iletişim teknolojilerindeki gelişmeler, yüksek hızlı veri transferi için ihtiyacı artırıyor. Bu bağlamda, ultra geniş bant (UGB) teknolojisi, geniş frekans aralığında çalışabilen yeni bir kablosuz iletişim çözümü olarak öne çıkıyor. Bu teknolojinin önemli bir bileşeni olan antenlerin üretimi için ise 3D baskı teknolojisi dikkat çekiyor. Bu çalışmada, geniş bantlı kablosuz haberleşme sistemlerinde kullanılmak üzere tasarlanmış kompakt bir monopol yama antenin 3D baskı teknolojisi ile tasarımı, üretimi ve karakterizasyonu incelenmiştir. Işıyıcı olarak kullanılan üçgen bir yama, dik yamuğa benzeyen toprak düzlemlerinden oluşan eş düzlemsel dalga kılavuz beslenmiştir. Toplam boyutu 20.7×28.6 mm2 olan bu kompakt antenin üretiminde alttaş olarak 1 mm kalınlığında PLA malzemesi tercih edilmiştir. Önerilen UGB antenin yama ve toprak düzlemlerinden oluşan iletken kısımları ise bakır bant ile kaplanarak oluşturulmuştur. 2.75-13 GHz çalışma frekans aralığı ile %165 oransal bant genişliğine sahip anten çalışma bandı boyunca %83’ün üzerinde bir ışıma verimliği sunmaktadır. Maksimum kazanç değerinin 5.5 dBi olduğu 3D baskılı UGB yama anten, çok yönlü ışıma karakteristiğine de sahiptir. Ayrıca, yapılan ölçümlerle önerilen antenin ışıma performansı da doğrulanmıştır. Bu çalışma ile 3D baskı teknolojisinin yama antenlerin üretimindeki kullanılabilirliği ve tasarım esnekliği vurgulanmaktadır. Gelecekte, bu teknoloji üzerindeki çalışmaların kablosuz haberleşme sistemlerinin daha da gelişmesine katkı sağlaması beklenmektedir.

Anahtar Kelimeler

• Yama anten
• ultra geniş bant
• 3D baskı
• PLA

3D Printed Patch Antenna Design with Coplanar Waveguide Feed for Ultra Wideband Wireless Communication Applications

Abstract

Advancements in wireless communication technologies are driving the need for high-speed data transfer. In this context, ultra-wideband (UWB) technology emerges as a new wireless communication solution capable of operating over a wide frequency range. The production of antennas, an essential component of this technology, is drawing attention to 3D printing technology. This study examines the design, production, and characterization of a compact monopole patch antenna designed for use in wideband wireless communication systems using 3D printing technology. A triangular patch serving as the radiator is fed by a coplanar waveguide resembling a tapered trapezoid. This compact antenna, with a total size of 20.7×28.6 mm², utilizes PLA material with a thickness of 1 mm as the substrate. The conductive parts consisting of the patch and ground planes of the proposed UWB antenna are constructed using copper tape. With a working frequency range of 2.75-13 GHz and a 165% fractional bandwidth, the antenna provides over 83% radiation efficiency across the operating band. The antenna exhibits a maximum gain of 5.5 dBi and features omnidirectional radiation characteristics. Additionally, measurements confirm the radiation performance of the proposed antenna. This study highlights the usability and design flexibility of 3D printing technology in patch antenna production. Future research on this technology is expected to further contribute to the advancement of wireless communication systems.

Keywords

• Patch antenna
• ultra-wideband
• 3D printing
• PLA

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