Techniques are described herein for a Non-Orthogonal Multiple Access (NOMA) mechanism to improve network throughput due to multiplexing gain in the power domain. Several received Signal-to-Noise Ratio (SNR) levels may be set to achieve multiple access of nodes depending on different network requirements. In particular, these techniques may prevent hidden node collision by assigning different received SNR levels between the upward link and the downward link.
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Wei, Ling; She, Huimin; Li, Chuanwei; and Zhang, Lele, "NON-ORTHOGONAL MULTIPLE ACCESS FOR COLLISION AVOIDANCE IN LOW-POWER AND LOSSY NETWORKS", Technical Disclosure Commons, (January 09, 2019)