Design and simulation of circular microstrip patch antenna with cross-shaped slot

Huda Sh. Gally


A design of circular microstrip patch antenna were  proposed . The aim of this design to improve the performances of circular microstip antenna for Ultra Wide Band (UWB) applications . A cross- shaped slot is etched on the circular patch to improving characteristics of antenna such as return loss, bandwidth , vswr,  radiation pattern , and antenna gain . The designed circular patch antenna shows return loss value -27dB and a band width equal to 18% . Also, a the value of vswr is 1.09 and antenna avarage gain equal to 5.2 dB. The circular microstrip patch antenna is designed  at 9.2 GHz frequency by using coaxial feeding technique and Arlon substrate with dielectric constant εr = 3.2 and thickness is 1.7mm . Antenna design and simulation of proposed antenna carried out in Finite Element Method (FEM) based High Frequency Structural Simulation (HFSS) tool.

Keyword: Circular Microstrip Antenna, FEM , HFSS, UWB , cross- shaped slot .

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ISSN (Paper)2224-3186 ISSN (Online)2225-0921

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