Abstract
AbstractIn this paper, we analyze the performance of the cooperative downlink of a multiple-input single-output non-orthogonal multiple access (MISO-NOMA) system under different antenna selection schemes. We use the near user (N) as the full-duplex (FD) and decode-and-forward (DF) relay to help the base station (BS) deliver messages to the far user (F). However, we have proposed two different transmit antenna selection (TAS) schemes, namely Scheme I and Scheme II, which select the antenna with the best channel fading state from the BS to the N and the F. Based on this theory, the closed-form expressions for the outage probability and system throughput of two users are derived. Finally, Monte Carlo is used to verifying our analysis results, and the results show that Scheme I had better performance than Scheme II. ...KeywordsMultiple-input single-output non-orthogonal multiple access (MISO-NOMA)Transmit antenna selection (TAS)Outage probabilitySystem throughput
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