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This paper presents a novel double paddle-shaped radiation pattern reconfigurable antenna using shorting probe. The antenna consists of a central circular patch and two paddle-shaped parasitic patches with U-shaped slot. The parasitic patches are connected to the shorting probe via two PIN diodes. By switching the diode states (ON or OFF), the radiation pattern of the proposed antenna can be reconfigured...
A miniaturized multifrequency antenna is proposed. The proposed antenna can generate three separate impedance bandwidths to cover all the 2.4/5.2/5.8-GHz WLAN operating bands and the 2.5/3.5/5.5-GHz WiMAX bands. The proposed microstrip-fed antenna mainly consists of a circular ring, a Y-shape-like strip, and a defected ground plane. By adding a Y-shape-like strip in the circular ring, the antenna...
In this paper, a pattern reconfigurable printed quasi-Yagi antenna with slots in the directors is presented. The simulation results show that the impedance bandwidth of the proposed antenna is excellent, and the gain variation within operating bandwidth is relatively small. By controlling the states of the switches, the main beam of the proposed antenna in the xoy plane can be shifted to the one of...
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