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Shorted Gap-Coupled Variation of 1350 Sectoral Microstrip Antenna

Amit A. Deshmukh, Sudesh Agrawal, A. A. Desai, S. A. Shaikh, K. A. Lele Published in Communications

CAE Proceedings on International Conference on Communication Technology
Year of Publication: 2016
© 2015 by CAE Journal

Amit A Deshmukh, Sudesh Agrawal, A a Desai, S a Shaikh and K a Lele. Article: Shorted Gap-Coupled Variation of 1350 Sectoral Microstrip Antenna. CAE Proceedings on International Conference on Communication Technology ICCT 2015(2):1-6, February 2016. Published by Foundation of Computer Science, New York, USA. BibTeX

@article{key:article,
	author = {Amit A. Deshmukh and Sudesh Agrawal and A.a. Desai and S.a. Shaikh and K.a. Lele},
	title = {Article: Shorted Gap-Coupled Variation of 1350 Sectoral Microstrip Antenna},
	journal = {CAE Proceedings on International Conference on Communication Technology},
	year = {2016},
	volume = {ICCT 2015},
	number = {2},
	pages = {1-6},
	month = {February},
	note = {Published by Foundation of Computer Science, New York, USA}
}

Abstract

The compact shorted 1350 Sectoral microstrip antenna derived from 2700 Sectoral microstrip antenna is discussed. The slot cut shorted 1350 Sectoral microstrip antenna is proposed. The detail analysis to understand the effect of rectangular slot to that yields broadband response is presented. The slot reduces the resonance frequency of second order TM1/4,1 mode of the shorted patch and along with fundamental TM1/4,0 mode yields broader bandwidth. The slot cut shorted MSA yields bandwidth of more than 500 MHz (>45%). Due to shorted patch the patch shows radiation pattern with higher cross polar levels with antenna gain of more than 2 to 3 dBi over the entire bandwidth. Further to increase the gain of shorted patch gap-coupled configuration of two shorted 1350 Sectoral microstrip antenna is proposed. It yields bandwidth of more than 500 MHz (>45%) with antenna gain of more than 4 dBi over most of the bandwidth. The proposed configuration can find applications in multi-path propagation environment as higher cross-polarization levels will lead to lesser signal loss.

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Keywords

Sectoral microstrip antenna, Compact microstrip antenna, Broadband microstrip antenna, Rectangular slot, Higher order mode