Design of an Ultrawideband Printed Monopole Antenna Using Hexagonal CSRR at UHF-Band

Yayan, Meliksah; Aslan, Ali Furkan

doi:10.1109/ieeeconf35879.2020.9330184

Cited by 2 publications

(2 citation statements)

References 2 publications

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Section: Introductionmentioning

confidence: 99%

“…In this paper, the structure proposed in [9] is studied further. The frequency bandwidth of the equilateral hexagonal CSRR-based broadband monopole antenna that is proposed in [9] decreases by 130 MHz as a result of the insertion of the SMA connector into the model. Measurement results of the manufactured antenna indicate that the proposed antenna operates from 323 MHz to 1100 MHz after insertion of the SMA connector.…”

Section: Introductionmentioning

confidence: 99%

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Hexagonal CSRR Based Broadband Monopole Antenna at UHF-Band

Yayan¹,

Aslan²

2022

J. Engg. Res. & Sci.

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In this work, complementary split ring resonators (CSRR) based broadband monopole antenna is proposed. A variety of geometrical shapes are studied as a radiator to find out the radiator with the highest possible return loss bandwidth potential. It has been found that the semi-circularly shaped resonator has the widest VSWR<3 bandwidth. Therefore, a monopole antenna constructed by a semi-circularly shaped microstrip radiator which is excited with a 50-ohm microstrip line is proposed. It has been seen that a semi-circularly shaped microstrip radiator does not have adequate broadband performance in terms of VSWR<2 bandwidth. Therefore, CSRR structures that are shaped like hexagons are employed in order to enhance the VSWR<2 bandwidth of the proposed antenna. It has been seen that a single CSRR only influences a limited frequency range. In order to make the proposed monopole antenna operate within a much larger frequency bandwidth and achieve return loss enhancement along the whole frequency band, multiple equilateral hexagonal CSRRs are utilized. The ground plane of the monopole antenna is modified such that three CSRR structures having different dimensions are inserted behind the 50-ohm feeding line. The resulting manufactured monopole antenna operates from 320 MHz to 1100 MHz while having an average gain of 3.05 dBi gain. Moreover, the total efficiency of 94% is achieved along the operating frequency band.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Hexagonal CSRR Based Broadband Monopole Antenna at UHF-Band

Yayan¹,

Aslan²

2022

J. Engg. Res. & Sci.

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A Swarm-Based Clinical Validation Framework of Artificial Intelligence Solutions for Non-Communicable Diseases

Kioskli,

Papastergiou,

Fotis

2023

J. Engg. Res. & Sci.

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Non-communicable diseases (NCDs) present complex challenges in patient care. Artificial Intelligence (AI) offers transformative potential, but its implementation requires addressing key issues. This study proposes a swarm intelligence-inspired clinical validation framework for NCDs, promoting openness, trustworthiness, and continuous self-validation. The framework creates a collaborative environment, connecting healthcare entities, patients, caregivers, and professionals. The swarm-based approach enhances diagnostic accuracy, enables personalized treatment, improves prognosis, supports clinical decision-making, engages patients, enables real-time monitoring, and promotes continuous learning. These implications have the power to revolutionize NCD management and improve patient outcomes.

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Design of an Ultrawideband Printed Monopole Antenna Using Hexagonal CSRR at UHF-Band

Cited by 2 publications

References 2 publications

Hexagonal CSRR Based Broadband Monopole Antenna at UHF-Band

Hexagonal CSRR Based Broadband Monopole Antenna at UHF-Band

A Swarm-Based Clinical Validation Framework of Artificial Intelligence Solutions for Non-Communicable Diseases

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