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 (08), 4842 -52. http://sersc.org/journals/index.php/IJAST/article/view/26763.