![]() ![]() ![]() The equivalent circuit of the proposed antenna is introduced to model the electrical behavior of the antenna. This antenna is proposed for the rectenna then it is designed to direct the main beam in a certain direction by increasing front-to-back (F/B) ratio with low cross-polarization levels by using defected reflector structure in the reflecting plane. The antenna has gain of 8.3 and 7.8 dBi at 1.95 and 2.45 GHz, respectively. The antenna achieves good radiation characteristics by inserting a reflecting plane at optimum position behind it. This slot radiates at 1.95 GHz with fractional impedance bandwidth of 5%. A circular slot is inserted into the ground plane that radiates by capacitive coupling between the patch and the ground plane. The antenna consists of a circular patch with a direct feed through microstrip feedline designed to radiate at 2.45 GHz with fractional bandwidth of 4.5%. In this letter, a dual-band circular patch antenna is introduced. ![]()
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