Compact Printed Band-Notched UWB Antenna With 90 Degree Rotation Angle CSRR
Keywords:
Complementary split ring resonator (CSRR), multiband, notch bands, ultra-wideband (UWB)Abstract
A novel band-notched ultrawideband monopole antenna is presented. The proposed antenna consists of a swallow shape radiating patch, two novel 90 degree rotation angle complementary splitring resonator (CSRR) structures for generating band-notched function instead of changing the patchor feeding shapes, and a trapezoidal ground plane that provides a wide usable bandwidth of more than 143 % (2 GHz – 11.2 GHz). With two novel 90 degree rotation angle complementary SRR structures, band-stop frequency performance is realized, and some key characteristics such as band-notched frequency and bandwidth can be controlled easily. The designed antenna has a small size of 25 × 27.9 mm2?showing the band-rejection performance in the frequency band of 3.9 GHz / 5.9GHz. The antenna demonstrates omni-directional and stable radiation patterns across all the relevant bands. Moreover, a prototype of the proposed antenna is fabricated, and the measured results are shown to be in good agreement with the simulated results.
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References
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