Bhadade, R. S., and S. P. Mahajan. “High Gain Circularly Polarized Pentagonal Microstrip for Massive MIMO Base Station”. Advanced Electromagnetics 8, no. 3 (September 5, 2019): 83–91. Accessed April 22, 2025. https://www.aemjournal.org/index.php/AEM/article/view/764.