Abstract
Abstract A novel printed and compact profile monopole antenna with hybrid reconfigurability structure for switching the resonant frequency and direction of maximum radiations is proposed in this research work. A novel mathematical model for the architecture of Reconfigurable Patch Antenna (RPA), considering input impedance, bandwidth, antenna gain, antenna efficiency and resonant frequency is proposed. For the desired functionality, antenna is incorporated with three switches in such a way that Switch 1 and Switch 2 direct the radiation beam patterns towards different directions while Switch 3 controls the frequency reconfigurability. When Switch 3 is ON, the designed antenna operates at 26.4 GHz covering the 24.2–26.5 GHz band. When Switch 3 is OFF, it operates at 28 GHZ, covering the 27.4–29.8 GHz band. The antenna is proposed to operate at the 5G mobile communication band having a center frequency at 27.6 GHz with a reflection coefficient of −21.5 dB. A 3D design tool HFSS has been used for the simulation purposes.
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