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A single-feed circular microstrip antenna with reconfigurable polarization capability is proposed. This antenna has a simple structure, which consists of a radiating circular patch, five switches (PIN diode), three matching stubs, and a 50 microstrip feed line. It can be switched between 4 different states: two states (low-frequency and high-frequency) for(More)
Band-reject UWB antennas have recently been considered for efficient communication between devices in WLAN environments. In this work, a new concept of a dual band-reject antenna is investigated. The antenna rejects efficiently the 802.11a interfering signal at two narrowband frequency ranges, while it receives the UWB signal in between them. Designs and(More)
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