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Progress In Electromagnetics Research Letters
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GAIN ENHANCEMENT OF PLANAR DIPOLE ANTENNA USING GROUNDED METAMATERIAL

By G. K. Das, R. Dutta, D. Mitra, and M. Mitra

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Abstract:
In this paper, a simple approach for enhancing the gain of a planar dipole antenna using the concept of grounded metamaterial (MTM) has been proposed. In this regard, a magnetic metamaterial with Mu-very large (MVL) property has been utilised to increase the gain of the electric dipole source. A fully planar structure has been configured due to the placement of the metamaterial just over the ground plane. A significant amount of gain improvement (about 3.7 dB) of the dipole antenna can be attained using the metamaterial. In addition, a fair increase of fractional bandwidth by 2.2% has been obtained due to the loading of the metamaterial. A comparative study with respect to recently reported literature for the gain enhancement of planar dipole has also been discussed. The proposed antenna is a worthy candidate for wireless communication owing to the high gain, low profile, and wide bandwidth characteristics.

Citation:
G. K. Das, R. Dutta, D. Mitra, and M. Mitra, "Gain Enhancement of Planar Dipole Antenna Using Grounded Metamaterial," Progress In Electromagnetics Research Letters, Vol. 87, 123-130, 2019.
doi:10.2528/PIERL19060503

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