INVESTIGATION OF BROADER BANDWIDTH ELLIPTICAL DIPOLE ANTENNA PERFORMANCE PARAMETERS FOR 5G, KU AND KA-BAND APPLICATIONS: DIELECTRIC CONSTANT EFFECTS

Yıl 2024, Cilt: 10 Sayı: 1, 89 - 95, 30.06.2024

Duygu Nazan Gençoğlan

https://doi.org/10.22531/muglajsci.1409565

Öz

This study presents an examination of the design and evaluation process of an elliptical dipole antenna operating at the design frequency of 5 GHz. Initially based on conventional dipole antenna principles, the antenna's design is iteratively refined through bandwidth enhancement techniques, resulting in the emergence of ultra-wideband characteristics. Notably, the modified antenna design features a distinctive notch band spanning from 4.21 to 10.06 GHz, positioning it as a versatile solution suitable for applications across the mid-band of 5G, as well as the full Ku and partial Ka bands, encompassing frequencies from 27 GHz to 31 GHz. Furthermore, this study investigates the impact of varying dielectric constants on antenna parameters, shedding light on a critical aspect often overlooked in conventional dipole antenna calculations. Through systematic analysis, it is revealed that a dielectric constant of 4.3, aligned with the commonly used low-cost epoxy-based FR-4 material, yields optimal performance. While higher dielectric constants broaden the antenna's characteristics, lower values are found to enhance communication efficiency, thus offering potential benefits in terms of power consumption and cost savings. The detailed examination and findings presented in this study enrich the understanding of antenna design principles and provide valuable guidance for future research and practical applications in the field of wireless communication and antenna engineering.

Anahtar Kelimeler

Antenna, Dielectric Constant, 5G, Ka Band, Ku Band

5G, KU VE KA-BANT UYGULAMALARI İÇİN GENİŞ BANT GENİŞLİĞİNE SAHİP ELİPTİK DİPOL ANTEN PERFORMANS PARAMETRELERİNİN İNCELENMESİ: DİELEKTRİK SABİT ETKİLERİ

Öz

Bu çalışmada, 5 GHz tasarım frekansında çalışan bir eliptik dipol antenin tasarım ve değerlendirme süreci incelenmektedir. Başlangıçta geleneksel dipol anten prensiplerine dayanan anten tasarımı, bant genişliği artırma teknikleri ile yinelemeli olarak iyileştirilmiş ve ultra geniş bant özelliklerinin ortaya çıkmasıyla sonuçlanmıştır. Özellikle, modifiye edilmiş anten tasarımı 4,21 ila 10,06 GHz arasında uzanan belirgin bir çentik bandına sahiptir ve bu da onu 5G'nin orta bandının yanı sıra 27 GHz ila 31 GHz frekanslarını kapsayan tam Ku ve kısmi Ka bantlarındaki uygulamalar için uygun çok yönlü bir çözüm olarak konumlandırmaktadır. Ayrıca bu çalışma, değişen dielektrik sabitlerinin anten parametreleri üzerindeki etkisini araştırarak, geleneksel dipol anten hesaplamalarında genellikle göz ardı edilen kritik bir konuya ışık tutuyor. Sistematik analizler sonucunda, yaygın olarak kullanılan düşük maliyetli epoksi bazlı FR-4 malzemesi ile uyumlu olan 4,3 dielektrik sabitinin en iyi performansı verdiği ortaya çıkmıştır. Daha yüksek dielektrik sabitleri antenin özelliklerini genişletirken, daha düşük değerlerin iletişim verimliliğini artırdığı ve böylece güç tüketimi ve maliyet tasarrufu açısından potansiyel faydalar sunduğu bulunmuştur. Bu çalışmada sunulan ayrıntılı inceleme ve bulgular, anten tasarım ilkelerinin anlaşılmasını zenginleştirmekte ve kablosuz iletişim ve anten mühendisliği alanında gelecekteki araştırmalar ve pratik uygulamalar için değerli bir rehberlik sağlamaktadır.

Anahtar Kelimeler

Anten, Dielektrik Sabiti, 5G, Ka Bandı, Ku Bandı

Kaynakça

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