Kalamkar, Sanket S., and Adrish Banerjee. “Improved Double Threshold Energy Detection for Cooperative Spectrum Sensing in Cognitive Radio”. Defence Science Journal 63, no. 1 (January 1, 2013): 34–40. Accessed August 18, 2025. https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/3761.