“The Performance of Orthogonal Wavelet Division Multiplexing (OWDM) in Flat Rayleigh Fading Channel”. Journal of Engineering and Sustainable Development, vol. 12, no. 1, Mar. 2008, pp. 131-47, https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1679.