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Technologies 2017, 5(4), 75; https://doi.org/10.3390/technologies5040075

The Optimization Design of a Novel Slotted Microstrip Patch Antenna with Multi-Bands Using Adaptive Network-Based Fuzzy Inference System

Faculty of Electrical Engineering, Urmia University, Urmia 57591-57131, Iran
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Received: 29 September 2017 / Revised: 20 November 2017 / Accepted: 22 November 2017 / Published: 27 November 2017
(This article belongs to the Section Construction Technologies)
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Abstract

This paper attempts to apply an adaptive network-based fuzzy inference system (ANFIS) for analysis of the resonant frequency of a single-layer single-patch microstrip rectangular patch antenna with two equal size slots which are placed on the patch in the form of parallel to resonance edges. The resonant frequency is calculated as the position of the slots is shifted from the right endpoint to the left endpoint on the patch between −4.2 mm ≤ Xslot ≤ 4.2 mm with the steps of 0.1 mm. The designed antenna is proposed for downlink of X band satellite, broadcasting satellite service, fixed-satellite service uplink, satellite (Earth-to-space), radio navigation, mobile-satellite (Earth-to-space), and KU band which can be achieved at the resonant frequencies of 7.2 GHz, 12.2 GHz, 14.6 GHz, 17.5 GHz and 19.3 GHz. Next, High Frequency Electromagnetic Field Simulation software (ANSYS HFSS) results for the prototype microstrip antenna are compared with the values obtained through ANFIS system. It can be concluded that the adaptive network-based fuzzy inference system in such designs can be conveniently used due to fuzzy system’s high approximation capability and much faster convergence rate. The best results for our ANFIS system can be obtained if Gaussian membership is used which leads to the mean absolute error of 1.4653. View Full-Text
Keywords: microstrip antenna; slots parallel to resonance edges; adaptive network-based fuzzy Inference system; resonant frequency; artificial neural networks microstrip antenna; slots parallel to resonance edges; adaptive network-based fuzzy Inference system; resonant frequency; artificial neural networks
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Abbasi Layegh, M.; Ghobadi, C.; Nourinia, J. The Optimization Design of a Novel Slotted Microstrip Patch Antenna with Multi-Bands Using Adaptive Network-Based Fuzzy Inference System. Technologies 2017, 5, 75.

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