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Design And Optimization of Stepped U-Shaped Microstrip Patch Antenna For Uwb Applications
SUBRAM.S.N, RAJ KUMAR.S, VANITHA LAKSHMI.M, V.NAGARAJU PG Scholar, Department of PG Studies in Engineering, S.A.Engineering College, Chennai, India Assistant professor, ECE Department, Rajalakshmi Institute of Technology, Chennai, India Assistant professor, Department of PG Studies in Engineering, S.A.Engineering College, Chennai, India Assistant professor, Department of PG Studies in Engineering, S.A.Engineering College, Chennai, India
Abstract: This is a presentation of a stepped U-Shaped microstrip patch antenna with microstrip-fed monopole for ultra wide band (UWB) application. The monopole is composed of an U-Shaped patch cut on a rectangular patch. The radiator patch is attached to a 50- microstrip feed line by a smoothly tapered line to enhance the wideband matching. A E-shaped slot is etched on a rectangular plane placed on the one side of the substrate. The antenna has compact physical structure and is designed on standard FR4 substrate with an operating frequency of 9.5Ghz. Simulation and optimization with Ansoft HFSS and CST Microwave Studio software indicate 145% fractional impedance bandwidth varying from 3.1 to 10.6 GHz for VSWR with -60dB and filtering 5-6GHz for eliminating the interference effect due to WiFi and Wimax. The antenna is successfully fabricated and characterized by measuring VSWR, radiation pattern, and gain. Comparison between simulated and practical results exhibits the near agreement in the operating band. Besides, it yields an average gain of several decibels with low tolerance and reasonable stable radiation characteristics. The effects of significant parameters on antenna performance and some other details are analyzed and discussed as well.
[1] SUBRAM.S.N, RAJ KUMAR.S, VANITHA LAKSHMI.M, V.NAGARAJU PG Scholar, Department of PG Studies in Engineering, S.A.Engineering College, Chennai, India Assistant professor, ECE Department, Rajalakshmi Institute of Technology, Chennai, India Assistant professor, Department of PG Studies in Engineering, S.A.Engineering College, Chennai, India Assistant professor, Department of PG Studies in Engineering, S.A.Engineering College, Chennai, India, βDesign And Optimization of Stepped U-Shaped Microstrip Patch Antenna For Uwb Applications,β International Journal of Advanced Research in Computer and Communication Engineering (IJARCCE)