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The goal of this paper is to use defected ground structures (DGS) in microstrip planar array antenna for multiband band operation. The DGS structures are introduce to improve the performance of planar array antenna in terms of return loss, gain, directivity and voltage standing wave ratio. The array of two by two (2×2) planar array antenna with inset feed based on quarter wave impedance matching technique...
This paper presents an embedded on-body planar monopole antenna using a low profile electromagnetic band gap (EBG) structure. The EBG structure consists of the series capacitance between an inter-digital slot and the shunt inductance through a via. Using the band-gap characteristic of the EBG array, a planar monopole antenna which has an isotropic radiation pattern could be mounted on the human body...
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