Design of Isosceles-Shaped Fractal Antenna for Ku and K-Band Applications

2018 Recent Advances on Engineering, Technology and Computational Sciences (RAETCS) Pub Date : 2018-02-01 DOI:10.1109/RAETCS.2018.8443921

M. G. Siddiqui, A. Saroj, Devesh, Neelesh Agrawal, J. A. Ansari

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引用次数: 2

Abstract

The proposed microstrip antenna is designed using fractal concept that operates for Ku-band and K-band applications. The shape of radiating element is Isosceles- Triangle. Fractal concept is used to design the isosceles triangle shaped patch antenna and the required Isosceles Triangle Fractal Antenna (ITF- Antenna) is designed. This antenna uses the concept of Von Koch’s snowflake. Koch snowflake concept is based on generating L Euclidian segment which is divided into three segments. The antenna is developed using two iterations geometry. Simulations were carried out using commercially available method of moment based IE3D software. The proposed design is also verified using another methodology HFSS (High Frequency Structure Simulator) based of finite element method. The antenna resonates at 12.31 GHz, 13.18 GHz, 15.21 GHz and 19.7 GHz. Hence, Ku-band [12– 18 GHz] and K-band [18– 27 GHz] is the frequency of operating band under consideration. Also the gain of proposed antenna 5.1613 dB at frequency of 15.21 GHz is achieved. The comparison of return loss versus frequency plot of proposed antenna using both the simulation verified the results.

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Ku和k波段等腰形分形天线的设计

所提出的微带天线采用分形概念设计，适用于ku波段和k波段应用。辐射单元的形状为等腰三角形。采用分形概念设计等腰三角形贴片天线，设计出所需的等腰三角形分形天线。这种天线采用了冯·科赫的雪花的概念。Koch雪花的概念是基于生成L欧几里德线段，该线段分为三个线段。该天线采用了两次迭代几何结构。利用市售的基于矩量的IE3D软件进行了仿真。采用基于有限元法的高频结构模拟器(HFSS)对设计进行了验证。天线谐振频率为12.31 GHz、13.18 GHz、15.21 GHz和19.7 GHz。因此，ku频段[12 - 18 GHz]和k频段[18 - 27 GHz]是考虑的工作频段频率。该天线在15.21 GHz频率下的增益为5.1613 dB。仿真结果验证了天线回波损耗与频率图的对比。

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 Recent Advances on Engineering, Technology and Computational Sciences (RAETCS)

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