Prakash Namdev, Om Prakash Meena, Madhu Shandilya. A Novel Design of Multifunctional Compact Four-Port Antennas System for Cognitive Radio Applications. IJM [Internet]. 2024Oct.2 [cited 2026Mar.3];18(3):1401 - 141. Available from: https://www.themultiphysicsjournal.com/index.php/ijm/article/view/1442