As device performance is pushed to new levels by the increasing demands of 5G high frequency systems, the need for more comprehensive analysis tools for complex antenna systems continues to grow. Remcom’s XFdtd® Electromagnetic Simulation Software contains analysis tools for rapidly characterizing the performance of arrays of antennas for beamforming and beam steering applications. In this article from the July 2020 issue of Microwave Journal, we demonstrate how XF’s superposition and array optimization features simplify the process for understanding device performance by providing efficient ways to validate array coverage.