to cater the need of modern wireless communication systems, the antenna requires to be multiband and reconfigurable. Reconfigurable Antennas have more advantages and improved prospects compared to conventional antennas. They are lighter in weight, smaller in size and cheaper in price. As a result of this, these antennas have got increased attention; many reconfigurable antennas are proposed and investigated in last decade. Inthis paper, a comparative study of different frequency reconfigurable disc antennas based on their design technique is presented. Example of each design technique is discussed along with its working, advantages and applications.
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