M. Môm J, A. Igwue G, Soo S. Bit Error Rate Performance of OFDM/OQPSK and CPM with Channel Coding Over AWGN Channel. IJSBAR. 2018;38(1):189-197. Accessed January 22, 2026. https://www.gssrr.org/JournalOfBasicAndApplied/article/view/7684