Sparse Code Multiple Access: Potentials and Challenges [PDF]
IEEE Open Journal of the Communications Society, 2021 The massive connectivity is among other unprecedented requirements which are expected to be satisfied in order to follow the perpetual increase of connected devices in the era of Internet of Things.
Manel Rebhi +3 more
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Sparse Code Multiple Access (SCMA) Technique [PDF]
, 2023 Next-generation wireless networks require higher spectral efficiency and lower latency to meet the demands of various upcoming applications. Recently, non-orthogonal multiple access (NOMA) schemes are introduced in the literature for 5G and beyond. Various forms of NOMA are considered like power domain, code domain, pattern division multiple access ...
Sharma, Sanjeev, Deka, Kuntal
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Low‐complexity detection for uplink massive MIMO SCMA systems
IET Communications, 2021 This paper presents a sparse code multiple access (SCMA) system with massive antennas at the base station. This system is referred to as M‐SCMA system. A spectrally‐efficient and massive access next‐generation wireless network is realized through massive
Sanjeev Sharma +2 more
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Sub-Graph Based Joint Sparse Graph for Sparse Code Multiple Access Systems [PDF]
IEEE Access, 2018 Sparse code multiple access (SCMA) is a promising air interface candidate technique for next-generation mobile networks, especially for massive machine-type communications. In this paper, we design a low-density parity-check (LDPC) coded SCMA detector by
Ke Lai +5 more
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Dual‐mode codeword position index based SCMA with transmit diversity
IET CommunicationsCodeword position index based sparse code multiple access (CPI‐SCMA) is an effective scheme that expands codeword positions in the time domain and carries extra information by their index.
Yanbing Yang, Jing Lei, Ke Lai
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A Superimposed Codebook Design for Downlink Sparse Code Multiple Access Visible Light Communication System [PDF]
PhotonicsThe capacity performance of visible light communication (VLC) systems can be improved by using sparse code multiple access (SCMA). Since SCMA is a codebook-based multiple access scheme, the design of the codebook is crucial.
Jingxuan Dong +3 more
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Quantum Search-Aided Multi-User Detection for Sparse Code Multiple Access [PDF]
IEEE Access, 2019 With the explosive proliferation of mobile devices, the scarcity of communication resources has emerged as a critical issue in the next generation (NG) communication systems.
Wenjing Ye +4 more
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Design of Online Music Education System Based on Artificial Intelligence and Multiuser Detection Algorithm. [PDF]
Comput Intell Neurosci, 2022 With the development of information technology, online music education has become a mainstream education method. Especially after the outbreak of COVID‐19, music teachers have to teach through online. Therefore, an online music education system that can improve the quality of teaching is particularly important.
Yan H.
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A Novel Image-Classification-Based Decoding Strategy for Downlink Sparse Code Multiple Access Systems. [PDF]
Entropy (Basel), 2023 The introduction of sparse code multiple access (SCMA) is driven by the high expectations for future cellular systems. In traditional SCMA receivers, the message passing algorithm (MPA) is commonly employed for received-signal decoding. However, the high
Chen Z, Ge W, Chen J, He J, He H.
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Channel Estimation in Uplink SCMA System [PDF]
Известия высших учебных заведений России: Радиоэлектроника, 2016 The effect of channel estimation error on bit error probability of uncoded and coded sparse code multiple access (SCMA) system in uplink channel with block fading is considered.
A. B. Sergienko, V. P. Klimentjev
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