Yin, Zelong, Yanxin Liu, Yuchen Wang, Jianing Wang, Jialang Lou, and Yinqi Zhou. “BER Analysis of PAM Communications over AWGN Channels”. International Core Journal of Engineering 11, no. 12 (December 21, 2025): 55–59. Accessed April 2, 2026. https://icj-e.org/index.php/ojs/article/view/178.