Al- Azzawi, F. faydhe, Abid, F.A. and Al-Azzawi, Z. faydhe (2019) “Performance Comparison between DPSK and OQPSK modulation approaches in multi environments channels with Matlab Simulink models”, Wasit Journal of Engineering Sciences, 7(1), pp. 30–39. doi:10.31185/ejuow.Vol7.Iss1.112.