[1]
“SWITCHED-BEAM ARRAY ANTENNA AT 28 GHZ FOR 5G WIRELESS SYSTEM BASED ON BUTLER MATRIX BEAMFORMING NETWORK”, NIJOTECH, vol. 38, no. 2, pp. 484–489, Mar. 2019, Accessed: Jun. 08, 2026. [Online]. Available: https://www.nijotech.com/index.php/nijotech/article/view/1994