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논문 기본 정보

자료유형
학술저널
저자정보
Phuong Kim-Thi (Thuyloi University) Dat Nguyen-Tien (PHENIKAA University) Tung The-Lam Nguyen (FPT University)
저널정보
한국전자파학회JEES Journal of Electromagnetic Engineering And Science Journal of Electromagnetic Engineering And Science Vol.24 No.5
발행연도
2024.9
수록면
443 - 450 (8page)

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초록· 키워드

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In this paper, a compact antenna with flexible and controllable bandwidth characteristics is proposed. To ensure wide coverage along with an omnidirectional radiation pattern, a monopole structure was utilized as the primary radiating element of the proposed antenna. The monopole was fed using a coplanar waveguide technique to achieve a single-layer design. To alter the operating bandwidth, defined by a reflection coefficient of less than -10 dB, a single stub was directly connected to the feeding transmission line. By controlling the stub"s length, matching performance in the high-frequency range was found to undergo significant degradation, indicating that the operating bandwidth could be controlled. Furthermore, for validation, two antenna prototypes were fabricated and measured under different circumstances. In the unbending mode, the design without the stub achieved a wideband of 51.6%, while the other design with the stub exhibited a narrower band of about 19.6%. Additionally, the antennas worked efficiently when operating in bending mode. It is also worth noting that the antenna gain and radiation pattern remained stable across the entire operating bandwidth.

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Abstract
Ⅰ. INTRODUCTION
Ⅱ. ANTENNA WITH WIDEBAND OPERATION
Ⅲ. ANTENNA WITH CONTROLLABLE BANDWIDTH
Ⅳ. MEASUREMENT
Ⅴ. STRUCTURE CONFORMABILITY
Ⅵ. PERFORMANCE COMPARISON
Ⅶ. CONCLUSION
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