Abstract
A frequency reconfigurable microstrip antenna using pixel ground is presented in this paper. A rectangle microstrip antenna with the partial ground is used as a primary antenna which operates over UWB band (3.1–10.6 GHz). A further ground of primary antenna converted into reconfigurable pixel shape to operate over multiple frequency bands. Proposed frequency reconfigurable antenna is able to switch between multiple resonant frequencies using PIN diode. Proposed antenna covers 5.6/6.6/7.8/8.2/9.4/7/5.4/5.2 GHz bands for WLAN band and X-band. The proposed antenna is printed on 1.6 mm thick FR-4 substrate with dimension 34×42.5 mm2. The proposed antenna has broad bandwidth with VSWR < 2. Measured and simulated result of primary antenna is presented and has the good agreement with results.
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