Microstrip array antenna with wideband high gain

De, Srija ; Samaddar, Poulami ; Sarkar, Sushanta ; Sarkar, Debasree ; Biswas, Sushanta ; Sarkar, Partha Pratim


This paper presents theoretical and practical investigations on a planar array antenna with four circular radiating patches and square ground plane for high gain applications. The geometry of the antenna has been optimized to obtain peak gain of 11dBi and bandwidth better than 8 GHz. Good radiation characteristics have also been observed. Theoretical investigations have been done by Ansoft® Designer software. Measurements have been done using standard microwave test bench.


Array antenna; Wideband; High gain; Radiation pattern; Return loss

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