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We investigate the effects of antenna parameters on the radiation characteristics of a compact size Rectangular Microstrip Antenna suitable for mobile application. In the calculations of antenna parameters, resonant frequency is set at 3 GHz. In our investigations three low cost substrate materials, namely: (a) irradiated poly-guide with relative dielectric constant and loss tangent as 2.32, 0.0005, (b) Glass-Epoxy with and (c) R03006 with are used to simulate the antenna parameters obtained from various models. The simulation results predict that the BW increases with the increase in substrate thickness and decrease in dielectric constant, while directivity strongly depends on width of the patch. Here we will present in details the antenna model, its simulation and the results of our analysis.

Some Aspects of Rectangular Microstrip Antenna for Mobile Application