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Measurement Analysis of Ultra-Wideband Monopole Antenna With Defected Ground Structure

Measurement Analysis of Ultra-Wideband Monopole Antenna With Defected Ground Structure

Madan Kumar Sharma, Mithilesh Kumar, J.P. Saini
Copyright: © 2017 |Volume: 6 |Issue: 1 |Pages: 12
ISSN: 2156-1737|EISSN: 2156-1729|EISBN13: 9781522515050|DOI: 10.4018/IJMTIE.2017010101
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MLA

Sharma, Madan Kumar, et al. "Measurement Analysis of Ultra-Wideband Monopole Antenna With Defected Ground Structure." IJMTIE vol.6, no.1 2017: pp.1-12. http://doi.org/10.4018/IJMTIE.2017010101

APA

Sharma, M. K., Kumar, M., & Saini, J. (2017). Measurement Analysis of Ultra-Wideband Monopole Antenna With Defected Ground Structure. International Journal of Measurement Technologies and Instrumentation Engineering (IJMTIE), 6(1), 1-12. http://doi.org/10.4018/IJMTIE.2017010101

Chicago

Sharma, Madan Kumar, Mithilesh Kumar, and J.P. Saini. "Measurement Analysis of Ultra-Wideband Monopole Antenna With Defected Ground Structure," International Journal of Measurement Technologies and Instrumentation Engineering (IJMTIE) 6, no.1: 1-12. http://doi.org/10.4018/IJMTIE.2017010101

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Abstract

This article describes how a compact, low profile Ultra-wideband (UWB) monopole antenna with a defected ground structure is designed and demonstrated experimentally. The design and experimentation activities have been carried out with the help of a CST Microwave studio tool. The UWB characteristics of the proposed antenna are achieved with a modification of the ground structure of the referenced antenna with novel L shaped defected ground structure (DGS). Both antennas are fabricated on the same substrate with the dimensions of 28.3 x 24 mm2. The comparative analysis of the results for both antennas clearly indicate that the proposed UWB monopole antenna enhanced the impedance bandwidth from 3.7 GHz – 14.9 GHz without DGS and to 3.4 GHz – 20 GHz with DGS. The enhanced bandwidth, constant group delay and good radiation characteristics of the proposed antenna have identified it as a good candidate for portable UWB applications.

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