Ravinder Kumar, P., Vikram Narayandas, P. Leelavathi, and V. M. Sandeep. “Analysis and Design of Multicarrier Modulation Protocols in Cognitive Radios”. Asian Journal of Electrical Sciences 1, no. 2 (November 5, 2012): 34–37. Accessed May 3, 2024. https://ojs.trp.org.in/index.php/ajes/article/view/1679.