Abstract
In this paper patch antenna using coplanar waveguide structure is designed. The dimension of the antenna is 12x22mm. The substrate material used is FR4 with thickness of 1.6mm. The dual band frequency is obtained by creating slot in the patch. Four slot is created in the patch. The frequency obtained for proposeddesign is 2.5 and 5.00GHz. The gain obtained for proposed antenna is 2.8dBi. The return loss obtained for proposed design is -35db at 5GHz and -34dB at 2.5GHz frequency. The meander antenna with two arm is designed using normal ground structure. Single band resonance is obtained for meander antenna with two arm at the frequency of 5.7GHz. The coplanar waveguide structure is chosen for dual band resonance and reduction in size. The designed antenna is used for WLAN application.
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