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This paper presents two configurations of rectangular microstrip patch antenna loaded with two element SRR array without and with the array of metallic via holes respectively. In both configurations, the antenna resonates at the same frequency bands. But when split ring resonator (SRR) array with metallic via hole loading is used the bandwidth is enhanced by the factors of 0.79 and 8.20 at respective...
This paper presents a new electrically small rectangular microstrip patch antenna loaded with metamaterial multiple split ring resonator (MSRR). The unloaded rectangular microstrip patch antenna resonates at 14.80 GHz, after loading it by MSRR its resonant frequency is lowered to 6.15 GHz with the impedance bandwidth of 217 MHz. This antenna has gain of 5 dBi in a small size with the directivity of...
In this paper the authors have presented a planar metamaterial antenna using offset fed diamond shaped split rings (DSSR). The structure behaves as normal patch antenna when the split rings are excited at normal cuts on Y-axis whereas the same structure exhibits metamaterial characteristics when fed at offset cut at an angle ??=45??. In offset cut the excess inductance and capacitance due to microstrip...
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