CLEETUS, Ros Marie C, and Gnanadhas Josemin BALA. “Antenna Reconfiguration Techniques for Cognitive Radio: A Review”. Walailak Journal of Science and Technology (WJST) 17, no. 12 (December 1, 2020): 1412–1431. Accessed April 29, 2024. https://wjst.wu.ac.th/index.php/wjst/article/view/8976.