Multiple access techniques for 5G systems are based on principles related to security. efficiency. and performance increase. Multi-user shared access (MUSA) is included in code-domain non-orthogonal multiple access (CD-NOMA) techniques with multiple benefits including multiple-access interference minimization and system capacity increase. https://thebookmarkid.com/story19599686/evaluation-of-using-google-classroom-as-a-tool-for-asynchronous-e-learning-at-sebha-university