Abstract:
A pentaband direct fed circular patch antenna with ring fractals is proposed in this paper. The design and analysis of proposed antenna are done by using Ansoft HFSS. To enhance the bandwidth of patch antenna, fractals are implemented. The proposed antenna is designed to four iterations on the circular patch, which covers WLANs and WiMAX applications. The impedance bandwidths achieved are 390 MHz, 330 MHz, 190 MHz, 380 MHz, and 860 MHz at the resonant frequencies 1.68 GHz, 2.49 GHz, 2.73 GHz, 3.94 GHz, and 5.65 GHz, respectively. The corresponding peak gains at their resonant frequencies are 2.789 dB, 3.574 dB, 4.658 dB, 3.427 dB, and 4.803 dB respectively. The designed antenna is used for S-band and C-band applications.
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