volume | PIER Journals

Abstract

A polarization reconfigurable dielectric resonator Antenna (DRA) is proposed for X-band applications. The antenna provides circularly polarized (CP) or linearly polarized (LP) radiations at the same frequency band. Altering the states of two PIN diode switches offers a choice of one of three polarization options: (i) LP radiation; (ii) left-hand CP (LHCP) radiation; (iii) right-hand CP (RHCP) radiation. The simulations and measurements are in close agreement, indicating that the LHCP and RHCP radiations have reconfigurable polarization traits with a 21.3% impedance bandwidth ranging from 9.6 to 11.9 GHz and a 3.4% for the LP radiation that extends from 10.2 to 10.5 GHz. There is simultaneously a maximum gain of 6.9 dBic with a circa 4% axial ratio (AR) bandwidth for the LHCP and RHCP radiations.

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Mr. Akrem Amar Soltan

Dr. Salam Khamas

Dr. Salman Majid Salman