This paper reports a novel method for designing a miniaturized microstrip
antenna with DGS based on CSRR array which operates in the frequency of
2.6GHz for low band WiMAX application. The proposed antenna is designed
using ANSYS HFSS simulation software. The antenna with optimized
parameters is fabricated using FR-4 substrate of thickness 1.6 mm. The
simulated and measured performances of the antenna in terms of return loss,
directivity and radiation patterns are presented in this work. When
Complimentary Split Ring Resonators (CSRRs) array are placed on the
ground plane, the resonant frequency is shifted to a lower value and patch
size is reduced. The measurements were taken and compared with the
simulated results. The performance characteristics obtained from the
measurements show that the proposed antenna is suited for WiMAX
application at 2.6GHz. 

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