Ajay Kumar Maurya, Ravi Prakash, Rakesh Kumar Maurya, B. B. Tiwari, R. K. Singh. 2020. “Contrastive Performance Analysis of US-OIDMA Using Different Code Rate and Constraint Length”. International Journal of Advanced Science and Technology 29 (8s), 5012 -26. http://sersc.org/journals/index.php/IJAST/article/view/27378.