Abstract
In this article, a five frequency band PIFA antenna for GPS (1.57 GHz), LTE (2.6 GHz) and WiMAX (3.17GHz, 4.1GHz, 4.83GHz) applications is presented. The proposed antenna consists of a PIFA antenna with a Koch fractal slot at the first iteration that was applied to all sides of a square located in the center of the radiating element. The radiating patch modification of the proposed antenna with the fractal slot made the antenna multiband and also contributed to miniaturize the proposed antenna compared to the initial form. The results presented in this work are carried out under the CST MWs software and compared to those obtained by the HFSS software where a good agreement was recorded. The proposed antenna has a gain ranging from 1.13dB to 6.01dB corresponding to the five frequency bands achieved.
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