Abstract
This paper presents a new pattern and frequency reconfigurable (PFR) microstrip patch antenna (MSA). The presented PFR antenna has a microstrip patch with nearly square slot on top layer and partial ground plane with two vertical gaps on bottom layer. A microstrip feed line is used to feed the antenna. To change the operating frequency and radiation pattern of the antenna, the surface current distribution is altered by connecting or disconnecting the vertical gaps on ground plane using ideal switches (small metal strips). Depending on the ON/OFF states of switches, antenna resonates at 5.36 GHz or 3.4 GHz, and it can have 180° switchable pattern at 3.4 GHz. The proposed PFR antenna is designed, simulated, and analyzed using computer-aided design package (CADFEKO). The simulated and measured reflection coefficient graphs show good agreement.
Published Version
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