M. Abed, Ansam, and Fadhil S. Hasan. “THE PERFORMANCE EVALUATION OF MULTI USER OFDM ORTHOGONAL CHAOTIC VECTOR SHIFT KEYING SUPPORTED BY LDPC”. Journal of Engineering and Sustainable Development 26, no. 3 (May 1, 2022): 62–72. Accessed July 4, 2022. https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/940.