Progress In Electromagnetics Research B
ISSN: 1937-6472
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By R. V. S. Ram Krishna and R. Kumar

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A novel design of a CPW fed printed monopole antenna for dual polarization applications is proposed in this paper. The monopole is formed of a rectangular patch embedded with a hour-glass shaped slot. In a modified version of the antenna, an additional spiral shaped slot is incorporated in the ground plane. The overall dimensions of the antenna are kept at 40 x 40 mm. The impedance bandwidth achieved by the first antenna is 123% from 2.5 GHz to 10.5 GHz which is further increased to 145.5% at the center frequency of 11 GHz with the second antenna. A low polarization ratio (< 10 dB) arising from increased cross-polarization is obtained in the frequency band of 4 GHz to 10 GHz making the antenna useful for dual-polarization applications in this band.

R. V. S. Ram Krishna and R. Kumar, "Design of Dual Polarized Asymmetrically Fed Slotted Rectangular Printed Monopole Antenna," Progress In Electromagnetics Research B, Vol. 49, 55-76, 2013.

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