Elliptical UWB antenna loaded with Rectangular Split loop resonator (RSLR) and semi-elliptical slot for multi band rejection

2017 IEEE International Conference on Antenna Innovations & Modern Technologies for Ground, Aircraft and Satellite Applications (iAIM) Pub Date : 2017-11-01 DOI:10.1109/IAIM.2017.8402522

G. Reddy, Shilpa U. Kharche

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引用次数: 1

Abstract

This paper presents a compact elliptical monopole Ultrawideband (UWB) antenna, loaded with Rectangular Split loop resonator (RSLR) and Semi — elliptical slot for multi band rejection. RSLR (high Q structures) are introduced for rejection of fixed wireless communication band i.e. 4.5–4.9 GHz and Lower WLAN band i.e. 5.1–53 GHz. For rejecting Upper WLAN band i.e. 5.725–5.825 GHz, a semi — elliptical slot is introduced in the radiator. The Ellipticity ratio of the radiator is optimized for achieving a lower cutoff of 3.65 GHz for UWB band, such that WIMAX band is also rejected. The proposed structure is fabricated on 28 × 18 mm2 RT Duriod 5880 substrate with εr = 2.2 and thickness = 0.787mm. Measured VSWR of less than 2 for complete UWB band (except for notch bandwidths) and constant gain with stable radiation pattern predicts that proposed antenna can be utilized for UWB applications.

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椭圆型超宽带天线，采用矩形分环谐振器(RSLR)和半椭圆槽进行多波段抑制

本文设计了一种紧凑的椭圆单极超宽带(UWB)天线，该天线采用矩形分环谐振器(RSLR)和半椭圆槽进行多波段抑制。引入RSLR(高Q结构)来抑制固定无线通信频段(4.5-4.9 GHz)和较低的WLAN频段(5.1-53 GHz)。为了抑制WLAN上频段即5.725-5.825 GHz，在散热器中引入半椭圆槽。对辐射器的椭圆率进行了优化，以实现UWB频段3.65 GHz的较低截止，从而也拒绝了WIMAX频段。该结构制备在28 × 18 mm2 RT period 5880衬底上，εr = 2.2，厚度= 0.787mm。在全UWB波段(除陷波带宽外)的实测VSWR小于2，且恒定增益和稳定的辐射方向图预测了该天线可用于UWB应用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2017 IEEE International Conference on Antenna Innovations & Modern Technologies for Ground, Aircraft and Satellite Applications (iAIM)

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