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Frequency reconfigurable square ring slot antenna is presented. The designed antenna comprises of two small rectangular ring slot and a square ring slot fed by a microstrip transmission line. Two switches are placed between the square and rectangular ring slot which provides frequency reconfigurability. The designed antenna is capable of reconfiguring to three frequency bands which at 1.9 GHz, 2.1...
A meandered microstrip transmission line resonator is proposed for the design of chip-less RFID tag. The 6 bit resonator is operates from 3 to 5 GHz. The tag consists of a micro strip open stub resonators and two Ultra-wide Band (UWB) monopole antennas. The 30 mm × 35 mm chip-less RFID tag is designed on Taconic substrate with permittivity of 2.75. The modification technique from the straight line...
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