Biswas, Arumita, and Vibha Rani Gupta. “Design Aspects of 5G: Frequency Allocation, Services and MIMO Antennas”. Engineering and Applied Science Research 47, no. 1 (March 17, 2020): 103–110. Accessed May 8, 2024. https://ph01.tci-thaijo.org/index.php/easr/article/view/203229.