Abstract
AbstractNon-orthogonal multiple access (NOMA) is presented as a promising solution to support a massive number of communication devices in wireless networks. Due to the error propagation problem of successive interference cancellation (SIC) decoding, it is very difficult to quantify error rate performance accurately for the NOMA system. In this paper, accurate quantization expression of symbol error rate (SER) for the uplink NOMA system over additive white Gaussian noise (AWGN) channel is given. The quantified expression is effective regardless of the number of access users. Finally, we validate the provided expression and confirm the effectiveness through Monte Carlo experiments.KeywordsNon-orthogonal multiple access (NOMA)Multi-userSymbol error rate (SER)Error propagation
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