Abstract
A phased transmitarray antenna (TAA) is proposed at 28 GHz for the fifth-generation (5G) base station applications in this paper. The TAA is composed of the subwavelength low-pass elements, featuring an aperture area of 130 × 130 mm2. Meanwhile, a 4×4-element phased array antenna (PAA) is employed to illuminate the TAA. By elaborately deploying the excitation phases of the PAA feed, the proposed PAA-fed TAA achieves high-gain beam scannings always with full-power excitations, thus realizing high effective isotropic radiated power (EIRP) that is greatly expected in the radio frequency (RF) system. Measured results match reasonably well with the simulated ones, validating the extensively potential applicabilities of the proposed design in the future 5G wireless cellular networks.
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