alexa A Compact UWB Stacked Circular Monopole Antenna with B
ISSN ONLINE(2319-8753)PRINT(2347-6710)

International Journal of Innovative Research in Science, Engineering and Technology
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Special Issue Article

A Compact UWB Stacked Circular Monopole Antenna with Band Dispensation

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A printed low profile monopole antenna with stacked structure for UWB applications is proposed. The antenna system has a circular radiating element coupled to a square patch by a via hole. The antenna is fabricated on a FR4 substrate and is fed by a 50Ω microstripeline feed. The operation bandwidth of antenna ranges from 3.2 GHz to 11 GHz with band dispensation from 5GHz to 6.3 GHz to provide interference elimination from WLAN bands. The ground plane dimensions are optimized for an improved antenna performance. The via holes facilitate stacked structure and hence achieves wide operation bandwidth. The impedance bandwidth (VSWR <2) of the antenna is 107 % and the gain of the proposed antenna is stable in the entire operation band with a peak value of 2.9 dB. The antenna provides a consistent radiation pattern. The designed antenna system has the smallest dimensions among many existing footprints with improved impedance bandwidth performances.


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