Shah Nawaz Ali khan, Iftikhar Hussain, Aisha Pervez, Nasir Mehmood Bahadar, Hazrat Usman, and Francesco Ernesto Alessi Longa, “ADVANCED DESIGN AND EXPERIMENTAL PERFORMANCE ANALYSIS OF A HEXAGONAL FRACTAL ANTENNA ARRAY (HFAA) AT NASA JET PROPULSION LABORATORY FOR HIGH-EFFICIENCY 5G/6G WIRELESS COMMUNICATION SYSTEMS”, SES, vol. 4, no. 2, pp. 615–638, Feb. 2026.