Kelsea Ballerini launched her 2025 "Patterns" tour in Grand Rapids, Michigan. Songs that made the setlist include "Cowboys ...

In this paper, we analyze a multiple-input multiple-output (MIMO) array consisting of two circular microstrip antennas, designed to exploit pattern diversity. We analytically derive the spatial ...

This letter presents a single-layer reconfigurable circularly-polarized (CP) array antenna with dual-pattern radiation capability. The proposed design integrates four reconfigurable patches and a ...