INVESTIGATION OF THE EFFECTS OF DIFFERENT FEED LINE STRUCTURES ON UWB ANTENNA PERFORMANCE BY CHARACTERISTIC MODE ANALYSIS

Miraç Dilruba Geyikoğlu

doi:10.17780/ksujes.1313866

TR EN

FARKLI BESLEME HATTI YAPILARININ UWB ANTEN PERFORMANSI ÜZERINE ETKILERININ KARAKTERISTIK MOD ANALIZI ILE İNCELENMESI

Abstract

Bu makalede, farklı besleme topolojilerinin yenilikçi bir UWB anteninde performans üzerindeki etkisi, karakteristik mod analizi kullanılarak araştırılmaktadır. Önerilen tasarım, basit bir kare yapıdan başlayarak karakteristik mod analizi ile yönlendirilmiştir. İlk olarak, kare biçimli yapı için birincil modların rezonans frekanslarının kapalı form tahmini sağlanmıştır. Daha sonra, simetrik kare yuvalar eklenerek frekans spektrumunda rezonans durumda olan karakteristik modlar değiştirilmiştir. Bu modları uyarmak ve ilgili spektrumu kapsayan geniş bantlı bir anten elde etmek için besleme hattının geometrisi değiştirilmiş ve etkileri incelenmiştir. İki temel besleme hattı geometrisi, konik ve geleneksel besleme empedans hattı içermektedir. Önerilen UWB anteninin performansını doğrulamak için prototipleri üretilmiş ve gerçek zamanlı ölçümleri yapılmıştır. Ölçüm sonuçlarına göre, konik besleme hattı için -10 dB referansta (0,9–6 GHz) %147,82'lik geniş bir empedans bant genişliği ve çalışma frekans bandında sabit radyasyon desenleri elde edilmiştir. Sonuçlar, geleneksel empedans hattına göre konik besleme hattının açık avantajını göstermektedir. Üretilen prototiplerin sonuçları, simüle edilen sonuçlara son derece benzerlik göstermiştir. Sunulan sonuçlar, mod analizi yönteminin uygulanabilir olduğunu kanıtlamaktadır

Keywords

INVESTIGATION OF THE EFFECTS OF DIFFERENT FEED LINE STRUCTURES ON UWB ANTENNA PERFORMANCE BY CHARACTERISTIC MODE ANALYSIS

Abstract

This study investigates the effect of various feed topologies on the parameters of a novel ultra-wideband (UWB) antenna using characteristic mode analysis. The proposed design is guided by characteristic mode analysis, commencing with a basic square structure. Initially, a closed-form estimate of the resonance frequencies of the primary modes is provided for the square-shaped structure. Subsequently, the characteristic modes that resonate in the frequency spectrum are modified by introducing symmetrical square slots. To excite these modes and achieve a wideband antenna that encompasses the relevant spectrum, the geometry of the feeding line is altered and its effects are examined. The study incorporates two fundamental feed line geometries: tapered and traditional feed impedance lines. The proposed UWB antennas are fabricated and measured to validate their performance. According to the measurement results a wide impedance bandwidth of 147.82% at -10 dB reference ((0.9–6 GHz)) and stationary radiation patterns across the operating frequency band are obtained for the tapered feed line. The results demonstrate a significant advantage of the tapered feed line over the traditional impedance line. The results for the fabricated prototypes exhibit high similarity to the simulated results. The findings confirm the applicability of the mode analysis method.

Keywords

References

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Details

Primary Language

English

Subjects

Engineering Electromagnetics

Journal Section

Research Article

Authors

Miraç Dilruba Geyikoğlu ^*
0000-0003-2399-4741
Türkiye

Publication Date

December 3, 2024

Submission Date

June 13, 2023

Acceptance Date

September 18, 2024

Published in Issue

Year 2024 Volume: 27 Number: 4

DOI

https://doi.org/10.17780/ksujes.1313866

IZ

https://izlik.org/JA89GX43NJ

Cite

RIS / Bibtex

APA

Geyikoğlu, M. D. (2024). INVESTIGATION OF THE EFFECTS OF DIFFERENT FEED LINE STRUCTURES ON UWB ANTENNA PERFORMANCE BY CHARACTERISTIC MODE ANALYSIS. Kahramanmaraş Sütçü İmam Üniversitesi Mühendislik Bilimleri Dergisi, 27(4), 1117-1127. https://doi.org/10.17780/ksujes.1313866

AMA

1.Geyikoğlu MD. INVESTIGATION OF THE EFFECTS OF DIFFERENT FEED LINE STRUCTURES ON UWB ANTENNA PERFORMANCE BY CHARACTERISTIC MODE ANALYSIS. KSU J. Eng. Sci. 2024;27(4):1117-1127. doi:10.17780/ksujes.1313866

Chicago

Geyikoğlu, Miraç Dilruba. 2024. “INVESTIGATION OF THE EFFECTS OF DIFFERENT FEED LINE STRUCTURES ON UWB ANTENNA PERFORMANCE BY CHARACTERISTIC MODE ANALYSIS”. Kahramanmaraş Sütçü İmam Üniversitesi Mühendislik Bilimleri Dergisi 27 (4): 1117-27. https://doi.org/10.17780/ksujes.1313866.

EndNote

Geyikoğlu MD (December 1, 2024) INVESTIGATION OF THE EFFECTS OF DIFFERENT FEED LINE STRUCTURES ON UWB ANTENNA PERFORMANCE BY CHARACTERISTIC MODE ANALYSIS. Kahramanmaraş Sütçü İmam Üniversitesi Mühendislik Bilimleri Dergisi 27 4 1117–1127.

IEEE

[1]M. D. Geyikoğlu, “INVESTIGATION OF THE EFFECTS OF DIFFERENT FEED LINE STRUCTURES ON UWB ANTENNA PERFORMANCE BY CHARACTERISTIC MODE ANALYSIS”, KSU J. Eng. Sci., vol. 27, no. 4, pp. 1117–1127, Dec. 2024, doi: 10.17780/ksujes.1313866.

ISNAD

Geyikoğlu, Miraç Dilruba. “INVESTIGATION OF THE EFFECTS OF DIFFERENT FEED LINE STRUCTURES ON UWB ANTENNA PERFORMANCE BY CHARACTERISTIC MODE ANALYSIS”. Kahramanmaraş Sütçü İmam Üniversitesi Mühendislik Bilimleri Dergisi 27/4 (December 1, 2024): 1117-1127. https://doi.org/10.17780/ksujes.1313866.

JAMA

1.Geyikoğlu MD. INVESTIGATION OF THE EFFECTS OF DIFFERENT FEED LINE STRUCTURES ON UWB ANTENNA PERFORMANCE BY CHARACTERISTIC MODE ANALYSIS. KSU J. Eng. Sci. 2024;27:1117–1127.

MLA

Geyikoğlu, Miraç Dilruba. “INVESTIGATION OF THE EFFECTS OF DIFFERENT FEED LINE STRUCTURES ON UWB ANTENNA PERFORMANCE BY CHARACTERISTIC MODE ANALYSIS”. Kahramanmaraş Sütçü İmam Üniversitesi Mühendislik Bilimleri Dergisi, vol. 27, no. 4, Dec. 2024, pp. 1117-2, doi:10.17780/ksujes.1313866.

Vancouver

1.Miraç Dilruba Geyikoğlu. INVESTIGATION OF THE EFFECTS OF DIFFERENT FEED LINE STRUCTURES ON UWB ANTENNA PERFORMANCE BY CHARACTERISTIC MODE ANALYSIS. KSU J. Eng. Sci. 2024 Dec. 1;27(4):1117-2. doi:10.17780/ksujes.1313866

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