F. . S. Hassen, “The Performance of Orthogonal Wavelet Division Multiplexing (OWDM) in Flat Rayleigh Fading Channel”, J. eng. sustain. dev., vol. 12, no. 1, pp. 131–147, Mar. 2008, Accessed: Mar. 17, 2025. [Online]. Available: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1679