Gain improvement of microstrip patch antenna using CLS split ring resonator metamaterial

Katiyar, P.R. and Mahadi, W.N.L.B.W. (2015) Gain improvement of microstrip patch antenna using CLS split ring resonator metamaterial. Frequenz, 69 (3-4). pp. 95-103. ISSN 0016-1136, DOI

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Metamaterials are artificial materials with negative permittivity and permeability. Metamaterials due to their unique negative parameter are capable of focusing the electromagnetic energy incident upon them. This focusing of electromagnetic energy is used to increase the gain of microstrip patch antenna. A capacitive loaded strip (CLS)-loaded split ring resonator is used to form a multilayer array of metamaterial and used in front of microstrip patch antenna to enhance far-field gain of antenna. An accurate simulation model is created and analyzed using CST. The simulated model is then fabricated and measured in fully anechoic chamber for validation. The far-field gain of regular patch antenna with and without metamaterial is measured in anechoic chamber. The increase in gain by 4 dB is measured at 95 mm from antenna. The beam focusing property is also evident from 3 dB beamwidth of antenna which is reduced to 42.01 degrees.

Item Type: Article
Additional Information: Cc2lr Times Cited:0 Cited References Count:10
Uncontrolled Keywords: Metamaterial, gain enhancement, patch antenna, split ring resonator,
Subjects: T Technology > T Technology (General)
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Engineering
Depositing User: Mr Jenal S
Date Deposited: 22 Sep 2015 00:18
Last Modified: 22 Sep 2015 00:18

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