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In this paper, to suppress the surface wave in dielectric substrate novel soft surface structure is proposed. In case of microstrip patch antenna design with finite ground plane, most of the backward radiation is induced due to surface waves which flow through the ground plane. By using the proposed soft surface structure, backward radiation power of a microstrip patch antenna is reduced -7 dBi compare...
In this paper, a series feed network which is able to equally excite N number of antenna elements without regards to element spacing or the number of element is proposed. By using the additional microstrip radiating patches on the CRLH TL which acts as a series feed network, the proposed array antenna shows broadside beam pattern with a high gain. The equivalent circuit model of the CRLH TL is achieved...
In this paper, the high gain electrically small loop antenna which is satisfied with the small antenna condition ka <1 and MNG MTM condition kreles0.5 is proposed. The proposed antenna is designed with the MNG MTM ground structure in order to match a high inductive reactance. Although it has a compact size, the high efficiency and gain are achieved. It will be available to apply to mobile UMTS...
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