Multidimensional Constellations for Uplink SCMA Systems-A Comparative Study

Sparse code multiple access (SCMA) is a class of non-orthogonal multiple access (NOMA) that is proposed to support uplink machine-type communication services. In an SCMA system, designing multidimensional constellation plays an important role in the performance of the system. Since the behavior of m...

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Bibliographic Details
Published in:	IEEE Communications surveys and tutorials Vol. 21; no. 3; pp. 2169 - 2194
Main Authors:	Vameghestahbanati, Monirosharieh, Marsland, Ian D., Gohary, Ramy H., Yanikomeroglu, Halim
Format:	Journal Article
Language:	English
Published:	IEEE 01.01.2019
Subjects:	bit-interleaved coded modulation (BICM) fading channels key performance indicators (KPIs) low density spreading (LDS) message passing algorithm (MPA) Multiaccess communication multidimensional constellation NOMA Non-orthogonal multiple access (NOMA) Quadrature amplitude modulation Receivers SCMA codebook Silicon carbide sparse code multiple access (SCMA) Turbo codes Uplink
ISSN:	2373-745X
Online Access:	Get full text
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