Octagonal Monopole Antenna with Band-Notched characteristics for UWB applications

Document Type : Original Article

Authors

Egyptian Armed Forces.

Abstract

Octagonal shape monopole antenna with dual band notched features which is used for ultra wide band applications is presented. The monopole antenna has good impedance matching from 3.4 GHz to 12 GHz. The dual bands notched are achieved by using Ushaped parasitic strip and meandered slot etched in the radiating patch. The first band notched is achieved using meandered slot to reduce the interference with WIMAX from 3.3 GHz to 3.9GHz.The second band notched is achieved using U-shaped parasiticstrip which is placed above the ground plane to eliminate the interference with WLAN from 5.2GHz to 5.9GHz . The proposed antenna has VSWR < 2 except the notched bands. The simulated results confirm that the proposed antenna is suitable for UWB applications.

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