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Design of a novel compact modified-circular printed antenna for high data rate wireless sensor networks

机译:用于高数据速率无线传感器网络的新型紧凑型圆形印刷天线的设计

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This paper presents a novel compact circular patch Ultrawideband (UWB) antenna for sensor node applications. The microstrip-fed low-profile antenna comprises an elliptical ring slot, two crescent-shaped slots and two dumbbellshaped slots in feedline. The antenna miniaturization is achieved by a novel combination of an elliptical ring slot, two crescent-shaped slots in circular patch. The proposed prototype has been fabricated on inexpensive FR4 substrate and the relative permittivity is (εr = 4.3) with 1.6 mm thickness. The overall size of the proposed miniaturized antenna is about (0.1 λr × 0.15 λr), where λr is the resonating wavelength of the lowest UWB frequency (ie, 3.1 GHz). The measured radiation performances of the proposed antenna are nearly an omnidirectional pattern in H-plane and bidirectional pattern in E-plane for all the frequencies in the whole UWB band. The development process of the antenna, radiation properties and group delay is completely analyzed and discussed.
机译:本文介绍了一种用于传感器节点应用的小型紧凑型圆形贴片UltrawideBand(UWB)天线。微带馈电的低型材天线包括椭圆形环槽,两个新月形槽和馈线中的两个哑铃槽。天线小型化通过椭圆形环槽的新组合,圆形贴片中的两个新月形槽来实现。所提出的原型已经在廉价的FR4基板上制造,并且相对介电常数是(εr= 4.3),厚度为1.6mm。所提出的小型天线的总体尺寸约为(0.1λr×0.15λr),其中λr是最低UWB频率的谐振波长(即,3.1GHz)。所提出的天线的测量辐射性能几乎是H平面和在全平面中的双向图案中的全向模式,用于整个UWB频带中的所有频率。完全分析并讨论了天线,辐射性能和组延迟的天线的开发过程。

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