Abstract: A reconfigurable intelligent surface (RIS) assisted semi-grant-free (SGF) non-orthogonal multiple access (NOMA) system is investigated. Unlike existing works that only focus on short-term ...
Abstract: This paper investigates the secrecy performance of a multi-relay non-orthogonal multiple access (NOMA) network. Considering the presence of eavesdroppers, an optimal relay selection scheme ...
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