Reduction of Radiation Pattern Distortion of Beam Scanning Antennas Inside Radome

This paper presents the design of a radome corner support that offers mechanical stability and low reflections for 2, 3, 4, 5G technologies. This corner frame, which has a winged platen shape, is based on the multiple layer A-sandwich radome design model. This type of radome design is known for reducing the reflections of incident waves, reducing the E-Field perturbations inside the radome. A radome is simulated with the proposed frame to validate the design, enclosing a +/-45° polarization crossed dipole array antenna. Radiation pattern simulations of the antenna array alone and inside the radome are obtained at different frequencies and incidence angles. The results show that using the proposed model considerably reduces the perturbations in of antennas radiation pattern inside the radome, obtaining, in the worst case, a mean square error between the antenna alone and with the radome of 22.64.