用于超宽带的高增益分形圆柱形介质谐振器天线

2018 IEEE Radio and Antenna Days of the Indian Ocean (RADIO) Pub Date : 2018-10-01 DOI:10.23919/RADIO.2018.8572414

Monika Chauhan, Biswajeet Mukherjee

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引用次数: 6

摘要

本文提出了一种用于超宽带应用的新型分形圆柱介质谐振器天线(FCDRA)。该天线由圆柱体的30°、60°、120°角组成，其半径比为1:2:3。采用罗杰斯3010 $(\varepsilon_{\mathrm{r}}=10.2)$和FR-4 $(\varepsilon_{\mathrm{r}}=4.4)$介质材料叠加，提高了天线的带宽。这种分形几何提供了9.2 GHz的工作带宽，范围从3.6 GHz到12.8 GHz。该天线的最大增益为9.45 dBi，增益大于89% efficiency which is suitable for satellite communication, WiMAX application. Hybrid Electromagnetic $\mathbf{HE}_{11 \delta}, \mathbf{HE}_{12\delta}$ modes are identified at 4.43 GHz & 8.31 GHz resonant frequencies respectively.

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High Gain Fractal Cylindrical Dielectric Resonator Antenna for UWB Application

In this paper, a novel Fractal Cylindrical Dielectric Resonator Antenna (FCDRA) is presented for Ultra-Wide Band applications (UWB). The proposed antenna is constructed by 30°, 60°, 120°angular portion of cylinder with radius ratio (1:2:3). Stacking of Rogers 3010 $(\varepsilon_{\mathrm{r}}=10.2)$ and FR-4 $(\varepsilon_{\mathrm{r}}=4.4)$ dielectric materials are used in proposed antenna for enhancement of the bandwidth. This fractal geometry offers 9.2 GHz operating bandwidth which spans from 3.6 GHz - 12.8 GHz. Proposed antenna attains maximum gain of 9.45 dBi with more than 89% efficiency which is suitable for satellite communication, WiMAX application. Hybrid Electromagnetic $\mathbf{HE}_{11 \delta}, \mathbf{HE}_{12\delta}$ modes are identified at 4.43 GHz & 8.31 GHz resonant frequencies respectively.

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2018 IEEE Radio and Antenna Days of the Indian Ocean (RADIO)

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