Reconfigurable Square-Ring Microstrip Antenna

  title={Reconfigurable Square-Ring Microstrip Antenna},
  author={Jia-Fu Tsai and Jeen-Sheen Row},
  journal={IEEE Transactions on Antennas and Propagation},
A reconfigurable design for a dual-feed square-ring microstrip patch antenna is described. The dual feeds are used to excite two orthogonal modes of the antenna, and each feed network is composed of a coupling patch, an impedance transformer, and a variable capacitor. In addition, the two feeds are connected to a single input port through a T-junction power divider. The proposed design can perform polarization diversity at different frequencies by tuning the capacitance values of the two… CONTINUE READING
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