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http://dx.doi.org/10.7236/JIIBC.2020.20.5.25

Comparison Study of Performance Analysis Methods of Uplink NOMA Systems  

Kim, Nam-Soo (Dept. of Electronic Engineering, Cheongju University)
Publication Information
The Journal of the Institute of Internet, Broadcasting and Communication / v.20, no.5, 2020 , pp. 25-30 More about this Journal
Abstract
Recently, non-orthogonal multiple access (NOMA) have been received considerable attention to be involved in the next generation mobile system. However, there are inherent inter-user interferences caused by the multiplexing multiple users in the same communication resource in NOMA systems. Two representative methods, the approximate white noise and random variable methods, have been adapted for the analysis of interferences in NOMA systems. In this paper, we derive the outage probabilities of an uplink NOMA system with the two analysis methods and compare the results. The numerical results of the outage probabilities versus transmitted power, distances, and power allocation are compared. We noticed that the derived functions are different each other, but the numerical results are coincident. It is shown that the two interference analysis methods can be applied to the analysis of NOMA systems.
Keywords
NOMA; Outage analysis; Performance comparison; Uplink NOMA; User interference;
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Times Cited By KSCI : 4  (Citation Analysis)
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