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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...
Design of stacked-patch antennas using magneto-dielectric substrates was investigated. In particular, special types of substrates with identical relative permittivity and permeability were considered. The optimal design parameters were determined using a genetic algorithm. It will be shown that by employing these matched magneto-dielectric substrates, a significant miniaturization of up to 60% can...
In this paper, the use of magneto-dielectric layers will be extended to the application of stacked-patch antenna designs. The low profile and wide bandwidth of microstrip stacked-patch antennas makes them an attractive choice for many RF applications. It will be shown that even with moderate values of xir and mur it is possible to considerably reduce the size (length, width, and thickness) of these...
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