Strategy for Non-Orthogonal Multiple Access and Performance in 5G and 6G Networks. [PDF]
Sensors (Basel), 2023 Al-Dulaimi OMK +3 more
europepmc +1 more source
Deep Spread Multiplexing and Study of Training Methods for DNN-Based Encoder and Decoder. [PDF]
Sensors (Basel), 2023 Kim M, Lee W.
europepmc +1 more source
Message Passing Algorithm Receiver Design for RIS-Assisted Downlink MIMO-SCMA System
Applied SciencesSparse code multiple access (SCMA) and reconfigurable intelligent surfaces (RISs) are two promising techniques in the forthcoming 6G communication networks to provide massive connectivity and enhance the spectral efficiency.
Dun Feng +5 more
doaj +1 more source
Comparative Analytical Study of SCMA Detection Methods for PA Nonlinearity Mitigation. [PDF]
Sensors (Basel), 2021 Sfeir E, Mitra R, Kaddoum G, Bhatia V.
europepmc +1 more source
A Tight Lower Bound for the Symbol Error Performance of the Uplink Sparse Code Multiple Access [PDF]
, 2017 We derive a tight lower bound for symbol error rate (SER) performance of the sparse code multiple access (SCMA) uplink operated over Rayleigh fading channels.
Fan, P., Cai, D., Takis Mathiopoulos, P.
core
Design of Enhanced Protograph Codes and Codebooks for IDD-SCMA Systems
IEEE AccessThis paper investigates the design of protograph low-density parity-check (PLDPC) codes and Gray-labeling codebooks (CBs) for the sparse code multiple access systems with iterative detection and decoding receiver (IDD-SCMA).
Jiaqin Chen +3 more
doaj +1 more source
A Near-optimal Codebook Design for Sparse Code Multiple Access Systems [PDF]
, 2019 Sparse code multiple access (SCMA) is one of the competitive non-orthogonal multiple access techniques for the fifth generation communication systems. The key factor that affects the performance of SCMA lies in the design of codebooks.
Chen, Jian-Wei
core
A New Internet of Things Hybrid VLC/RF System for m-Health in an Underground Mining Industry. [PDF]
Sensors (Basel), 2023 Iturralde D +6 more
europepmc +1 more source
Beyond Equal-Power Sparse NOMA: Two User Classes and Closed-Form Bounds on the Achievable Region. [PDF]
Entropy (Basel), 2022 Zaidel BM, Shental O, Shamai Shitz S.
europepmc +1 more source
Deep Learning Multi-User Detection for PD-SCMA
IEEE AccessThe performance of hybrid multi-radio access technologies depends on the sufficiency of the multi-user detection (MUD) at the receiver. For optimal performance of the hybrid power-domain sparse code multiple access (PD-SCMA), robust detection strategies ...
Simon Chege, Tom Walingo
doaj +1 more source