利用无功阻抗面改进微带贴片天线的特性

2017 3rd International Conference on Computational Intelligence & Communication Technology (CICT) Pub Date : 2017-02-01 DOI:10.1109/CIACT.2017.7977356

N. Rastogi, Rakhi Kumari

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引用次数: 1

摘要

本文提出了一种利用馈源贴片下方无功阻抗面和基片上金属贴片的圆形极化微带天线。无功阻抗面(RIS)不仅使天线小型化，而且大大提高了天线的带宽和辐射特性。所提出的天线结构包括在FR4基板的一侧制造的微带天线和在FR4基板的另一侧制造的RIS。提出了利用RIS和5×5贴片阵列在低成本FR4衬底上制备，减小天线尺寸，提高圆极化天线增益的方法。当在FR4衬底层上制备5×5寄生贴片阵列时，增益从8 dB提高到14.6 dB。超材料是间歇性结构。由于超折射发生和负介电常数或渗透率的严格特征，这些问题已经得到了深入的研究。采用Ansoft HFSS软件进行仿真。辐射源采用贴片天线。天线尺寸减小了10.04%，带宽增加了77.11% (1.097GHz)。

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Improved characteristics of microstrip patch antenna using reactive impedance surface

This paper present circular polarized micro strip antenna using Reactive Impedance Surface (RIS) below feed patch and metallic patches on substrate layer. The reactive impedance surface (RIS) does not only miniaturize but extensively enhances the bandwidth as well as the radiation characteristics of an antenna. The proposed antenna structure consists of a micro strip antenna fabricated on one side of FR4 substrate and RIS on other side of FR4 substrate. Diminution in antenna size and enhancement in gain of circular polarized antenna by using RIS and 5×5 array of patches fabricated on low cost FR4 substrate is proposed. Gain is enhanced from 8 dB to 14.6 dB when 5×5 array of parasitic patches is fabricated on a FR4 substrate layer. Meta-material are intermittent structures. These have been investigated intensively due to the exacting characteristics of ultra-refraction occurrence and negative permittivity or permeability. The Ansoft HFSS is used for the simulation. A patch antenna is used as the radiation source. The antenna size is reduced by 10.04% and bandwidth increased by 77.11% (1.097GHz).

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2017 3rd International Conference on Computational Intelligence & Communication Technology (CICT)

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