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This paper introduces a new simple-structured dual circularly polarized (CP) antenna design for fifth-generation (5G) front end systems. The antenna configuration consists of a crescentshaped slot radiator fed by a pair of rectangular 50-Ohm microstrip lines. The antenna is designed on an FR-4 dielectric substrate with an overall size of 48 × 48 × 1.6 mm 3 to operate at 3.5 GHz, a 5G candidate band. A wide dual CP characteristic supporting both left-hand circular polarization (LHCP) anddoi:10.2528/pierl20040107 fatcat:jxp2vra4kvbo5loozvasw2rajm