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On the Performance of LDPC-Coded Massive MIMO Schemes with Power-Ordered NOMA Techniques

Silva, M. ; Dinis, R. ; Martins, G.

Applied Sciences (Switzerland) Vol. 11, Nº 18, pp. 8684 - 8684, September, 2021.

ISSN (print): 2076-3417
ISSN (online):

Scimago Journal Ranking: 0,44 (in 2020)

Digital Object Identifier: 10.3390/app11188684

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Abstract
This article studies the power-ordered Non-Orthogonal Multiple Access (NOMA) techniques associated with the Low Density Parity-Check (LDPC) codes, adopted for use in the Fifth Generation of Cellular Communications (5G). Both conventional and cooperative NOMA are studied, associated with Single Carrier with Frequency Domain Equalization (SC-FDE) and massive Multiple-Input Multiple-Output (MIMO). Billions of Internet of Things (IoT) devices are aimed to be incorporated by the Fourth Industrial Revolution, requiring more efficient use of the spectrum. NOMA techniques have the potential to reach such desiderate, representing strong candidates to be incorporated in new releases of 5G. This article shows that the combined schemes, associated with both conventional and cooperative LDPC-coded NOMA, tend to achieve good performances while keeping the computational complexity at an acceptable level.