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Gain and Bandwidth Enhancement of Microstrip Antenna Array using Double Square Split Ring Resonator FSS as a Superstrate for WiMax/WiFi/WLAN Applications

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V. Rajya Lakshmi, G. Viswanadh Raviteja, G. Sujatha, K. Balasagar, K. V. Tejaswi, A. L. S. Yashwanth, K. Sai Teja. Published in Communications.

Gain and Bandwidth Enhancement of Microstrip Antenna Array using Double Square Split Ring Resonator FSS as a Superstrate for WiMax/WiFi/WLAN Applications
Communications on Applied Electronics
Year of Publication: 2019
Publisher: Foundation of Computer Science (FCS), NY, USA
Series: Volume 7 Number 28
Authors: V. Rajya Lakshmi, G. Viswanadh Raviteja, G. Sujatha, K. Balasagar, K. V. Tejaswi, A. L. S. Yashwanth, K. Sai Teja
10.5120/cae2019652821
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Rajya V Lakshmi, Viswanadh G Raviteja, G Sujatha, K Balasagar, K V Tejaswi, A L S Yashwanth and Sai K Teja. Gain and Bandwidth Enhancement of Microstrip Antenna Array using Double Square Split Ring Resonator FSS as a Superstrate for WiMax/WiFi/WLAN Applications. Communications on Applied Electronics 7(28):11-16, May 2019. BibTeX

@article{10.5120/cae2019652821,
	author = {V. Rajya Lakshmi and G. Viswanadh Raviteja and G. Sujatha and K. Balasagar and K. V. Tejaswi and A. L. S. Yashwanth and K. Sai Teja},
	title = {Gain and Bandwidth Enhancement of Microstrip Antenna Array using Double Square Split Ring Resonator FSS as a Superstrate for WiMax/WiFi/WLAN Applications},
	journal = {Communications on Applied Electronics},
	issue_date = {May 2019},
	volume = {7},
	number = {28},
	month = {May},
	year = {2019},
	issn = {2394-4714},
	pages = {11-16},
	numpages = {6},
	url = {http://www.caeaccess.org/archives/volume7/number28/851-2019652821},
	doi = {10.5120/cae2019652821},
	publisher = {Foundation of Computer Science (FCS), NY, USA},
	address = {New York, USA}
}

Abstract

Microstrip patch antennas are very popular in wireless communication because of its low profile, lightweight, low production cost. However, the gain and bandwidth of the microstrip patch antenna are very less. The main objective of this paper is to enhance the gain of the microstrip antenna by using frequency selective surfaces as a superstrate. In this paper, a microstrip array antenna with 2 elements is proposed. To increase the bandwidth, a partial ground plane method is used. Also the comparison of two FSS layers with different shapes i.e. Square loop and Double Square Split Ring is performed. By using a partial ground plane, the bandwidth has been increased by 87%. The gain of microstrip patch antenna array is calculated to be 4.43 dB by using square loop FSS whereas by using Double Square SRR, it is found to be 7.61 dB. The proposed antenna outperformed the square loop FSS and with a bandwidth of 1.74 GHz which can be used in number of wireless applications such as WiMax, WiFi, etc.

References

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Keywords

FSS, WLAN, Superstrate, WiMax, SRR, Microstrip antenna array.