Design and fabrication of two‐port three‐beam switched beam antenna array for 60 GHz communication - Liu - 2019 - IET Microwaves, Antennas & Propagation - Wiley Online Library
16-element CPW Series Fed Millimeter-wave Hexagonal Array Antenna for 5G Femtocell Applications | International Journal of Microwave and Wireless Technologies | Cambridge Core
Series Fed Patch Array Design - coast-setup57's blog