Abstract
The proposed work aims to design and develop stacked parasitic microstrip antenna configurations in the TV white-space frequency band, which can work between 470 to 806 MHz for applications like IEEE 802.11. The antenna is designed for both the base station (higher gain) and the user terminal (compact). In this design, two layers are stacked on each other with coaxial feed at the lower circular patch. The two top circular patches are placed in an inverted position and electromagnetically coupled with a lower patch. The substrate used is FR4. The proposed antenna can operate between 499 to 650 MHz frequency band with 5.6dBi gain. The proposed antenna is having an efficiency of 98%. A parametric analysis is done to cater to the requirements of the antenna size, gain, and radiation pattern. The parametric study found that when both top patches are elliptical, the lowest size with the largest gain is achieved.
Published Version
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