Abstract
In certain a UWB applications, a hexagonal monopole antenna are desired but existing solutions have CPW fed structures. In this structure a compact simple symmetrical hexagonal shaped monopole antenna with defected ground plane is presented. Impedance, radiation and gain characteristics of the proposed structure are presented and discussed. The proposed antenna make use of a novel small microstrip antenna topology which consists of a symmetrical hexagonal shaped radiating patch using FR4 substrate for cost effectiveness and in case of fabrication whereas three rectangular slots are embedded in a ground plane. In addition, impedance bandwidth (S11 < − 10 dB) of 9.03 GHz operates over a band of 3.1–12.18 GHz with a return loss of − 10 dB or more and a maximum gain of 5.1 dBi is obtained and a good agreement is achieved in simulation and measured results. The proposed one is suitable for short band radio wave communications, land-mobile or other wireless applications.
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