F. FAHAD, Hayder; S. HASSAN, Fadhil. DESIGN AND PERFORMANCE ANALYSIS OF ORTHOGONAL MULTI-LEVEL CODE-SHIFTED DIFFERENTIAL CHAOS SHIFT KEYING COMMUNICATION SYSTEM. Journal of Engineering and Sustainable Development, Baghdad, Iraq, v. 24, n. 6, p. 42–56, 2020. DOI: 10.31272/jeasd.24.6.4. Disponível em: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/91.. Acesso em: 8 jun. 2026.