“Frequency Hopped-Orthogonal Frequency Division Multiple Access (FH-OFDMA) System Performance with Extending Quadratic Congruence (EQC) Hoping Code patterns”, J. eng. sustain. dev., vol. 12, no. 1, pp. 96–106, Mar. 2008, Accessed: Jul. 22, 2024. [Online]. Available: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1639