Kanthimathi, M, R Amutha, and S Anusha. “Modulation Diversity for Differential Amplitude and Phase Shift Keying Technique”. International Journal of Engineering & Technology 7, no. 1.1 (December 21, 2017): 418–420. Accessed May 6, 2024. https://sciencepubco.com/index.php/ijet/article/view/9946.