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High Gain Microstrip Patch Antenna

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Executive Summary

In this paper, a novel design technique for enhancing gain that improves the performance of a conventional microstrip patch antenna is proposed. This paper presents a novel wideband probe fed inverted multiple slot microstrip patch antenna. The design adopts contemporary techniques; probe feeding, inverted patch structure and stacked multiple slotted patches. The composite effect of integrating these techniques and by introducing the novel multiple shaped patch, offer a low profile, broadband, high gain, and compact antenna element. The result showed satisfactory performance with maximum achievable gain of about 12.35 dBi and a fractional impedance bandwidth of 21.48%. The design is suitable for array applications especially for base station.

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