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A performance comparison and analysis between two dielectric substrates with different permittivity for square slot patch antenna is presented in this paper. The reflection coefficient, voltage standing wave ratio (VSWR), bandwidth and gain performances of the proposed antenna at 5.5 GHz have been thoroughly investigated. The antenna is realized using a square patch printed on a dielectric substrate...
Patch antennas are cheap, simple, robust, inexpensive and compatible with MMIC designs. But the narrow bandwidth and low efficiency are the major drawbacks. Nowadays, the patch antenna is a widely used antenna type in many applications such as cellular phones, pagers, satellite communication and missiles. In this research, Genetic Algorithm optimization (GAO) method is used to design the shape of...
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