Planar Array-Antenna with Improved Radiation Characteristic Using Spiral Shaped DGS

2018 International Conference on Applied Electromagnetics, Signal Processing and Communication (AESPC) Pub Date : 2018-10-01 DOI:10.1109/AESPC44649.2018.9033332

M. Yunus, Zero Luthfi Patriana, Evyta Wismiana, Teguh Firmasyah, A. Munir

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引用次数: 1

Abstract

In this paper, the improvement of radiation characteristic for planar array-antenna by incorporating spiral shaped defected-ground-structure (DGS) is presented. The proposed planar array-antenna which is designed to work at the frequency of 2.4GHz consists of 4×4 elements in which the inset feed method is employed to excite each antenna element. The planar array-antenna is implemented using a 1.6 mm thick FR4 epoxy dielectric substrate and analyzed through a simulation. The simulated result of radiation characteristics for the planar array-antenna is then validated by experimental characterization. It shows that the spiral shaped DGS incorporation yields measured radiation characteristics of the planar array-antenna to have the bandwidth response of 140 MHz and the gain achievement of 10.47 dB at its resonant frequency. This is comparable to the simulated result which is showing the potentiality of spiral shaped DGS usage in the improvement of radiation characteristics.

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螺旋形DGS改善平面阵列天线辐射特性

本文提出了利用螺旋形缺陷地面结构(DGS)改善平面阵列天线辐射特性的方法。设计的平面阵列天线工作频率为2.4GHz，由4×4单元组成，采用插入馈电方式激励各天线单元。采用1.6 mm厚的FR4环氧树脂介质衬底实现了平面阵列天线，并进行了仿真分析。通过实验验证了平面阵列天线辐射特性的仿真结果。结果表明，螺旋形DGS的掺入使平面阵列天线的实测辐射特性达到140 MHz的带宽响应和10.47 dB的谐振频率增益。这与模拟结果相当，显示了螺旋形DGS在改善辐射特性方面的潜力。

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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2018 International Conference on Applied Electromagnetics, Signal Processing and Communication (AESPC)

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