Design of Compact Planar Triple Band-Notch Monopole Antenna for Ultra-wideband Applications
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In this article a microstrip-fed mickey shaped monopole antenna with triple notched band characteristics for ultra-wideband applications is presented. By etching two slots in the ground plane, improved VSWR bandwidth is achieved. Mickey shape radiating patch provides 10 dB return-loss bandwidth from 3.10 to 10.60 GHz. By etching three simple C-shaped slots on the radiating patch, three existing wireless communication systems which interfere with UWB band is removed which includes WiMAX IEEE802.16 (3.30–3.80 GHz), WLAN IEEE802.11a/h/j/n (5.15–5.35, 5.25–5.35, 5.47–5.725, 5.725–5.825 GHz) and X-band downlink satellite system (7.1–7.9 GHz). Experimental results reveal that the proposed antenna exhibits desirable radiation patterns in the far field, resulting omnidirectional like pattern in the H-plane and nearly dipole like pattern in the E-plane.
KeywordsMonopole antenna Triple band-notch UWB antenna Omni-directional
The Authors are thankful to Krishna Ranjan Jha, Advance Microwave Antenna Testing Laboratory (URL: delhi.gov.in/wps/wcm/connect/doit_gbpec/GBPEC/Home/List+of+Labs), G. B. Pant Engineering College, Delhi for providing Antenna Measurement Facility.
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