“Investigating the Performance of Turbo Code in WCDMA Downlink over Frequency Selective Rayleigh Fading Channel”, J. eng. sustain. dev., vol. 10, no. 3, pp. 18–36, Sep. 2006, Accessed: May 18, 2024. [Online]. Available: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1785