… the spectrum and power allocation are executed iteratively. For the spectrum allocation,
we allow multiple … We recognize that the spectrum allocation can be regarded as a many-to-one …

… of addressing these challenges, non-orthogonal multiple access (NOMA) … multiple access
(OMA) schemes, the key distinguishing feature of NOMA is to support a higher number of users …

… several new strategies for the allocation of radio resources (bandwidth and transmission power)
using a non-orthogonal multiple access … for optimizing spectrum allocation in such a way …

… allocation applying a non-orthogonal multiple access (NOMA) scheme. It calls for the cohabitation
of users … Taking into account multi-user scheduling, subband assignment and transmit …

… Abstract In recent years, non⁃orthogonal multiple access (NOMA) has attracted a lot of
attention as a novel and promising power⁃domain us⁃ er multiplexing scheme for Long⁃Term …

… , several new techniques for multiple access have recently emerged based on the concept
of non-orthogonal multiple access (… In power-domain NOMA, multiple users can share each …

… Non-orthogonal multiple access (NOMA) has received tremendous attention for the design
of radio access … and spectral efficiency, and increases reliability compared to orthogonal …

… of the multiple access family, non-orthogonal multiple access (NOMA) … multiple users at the
same time/frequency/ code, but with different power levels, which yields a significant spectral …

… spectral efficiency and massive connectivity. In this article, a promising technology, non-orthogonal
multiple access … Different from conventional orthogonal multiple access technologies, …

… non-orthogonal multiple access scheme based on spectrum sensing (CNOMA-SS) [23]–[25],
which adopts spectrum sensing to identify the spectrum … In brief, once the spectrum sensing …