Kumar, Vimal, Amit Sikder, Gunjan Srivastava, and Akhilesh Mohan. “2-Bit Quad Band Reconfigurable Intelligent Surface for Modern Wireless Communications”. Defence Science Journal 75, no. 3 (May 8, 2025): 312–317. Accessed July 3, 2025. https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/20899.