Abstract

In this paper, a multi-band micro-strip patch antenna with uneven parallel slots and optimized gain is proposed. Two types of substrate such as air and FR4 are used in the design. A detail parametric study of the patch antenna are carried out with air substrate. Co-axial feeding is used for optimal antenna characteristics. Consequently air substrate is changed with FR4 substrate and microstrip line feeding is used for new design. This design shows the improvement of gain up to 6.9dB. This simulation is carried out by using HFSS.

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