Optimization of multiple access mode for large-scale constellation networking communication
Xibei Gongye Daxue Xuebao, 2023 In the large-scale satellite constellation technology, the establishment of satellite internal network is the top priority. As the network capacity of the constellation continues to expand and the number of satellite nodes continues to increase, the ...
GUO Xiaoxu +4 more
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Quantum Search-Aided Multi-User Detection for Sparse Code Multiple Access
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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A New Multiple Access Technique for 5G: Power Domain Sparse Code Multiple Access (PSMA)
IEEE Access, 2018 In this paper, a new approach for multiple access in the fifth generation (5G) of cellular networks called power domain sparse code multiple access (PSMA) is proposed. In PSMA, we adopt both the power domain and the code domain to transmit multiple users'
Mohammad Moltafet +4 more
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A Multistage Method for SCMA Codebook Design Based on MDS Codes [PDF]
, 2019 Sparse Code Multiple Access (SCMA) has been recently proposed for the future generation of wireless communication standards. SCMA system design involves specifying several parameters.
da Silva, Bruno Fontana +3 more
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On the design of multiuser codebooks for uplink SCMA systems [PDF]
, 2016 Sparse code multiple access (SCMA) is a promising uplink multiple access technique that can achieve superior spectral efficiency, provided that multidimensional codebooks are carefully designed.
Bao, J. +4 more
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SCMA Spectral and Energy Efficiency With QoS
IEEE Access, 2021 Sparse code multiple access (SCMA) is one of the promising candidates for new radio access interface. The new generation communication system is expected to support massive user access with high capacity. However, there are numerous problems and barriers
S. Jaber, W. Chen, K. Wang
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Experimental demonstration of SCMA for visible light communications [PDF]
, 2018 We propose an experimental demonstration of sparse code multiple access (SCMA) based visible light communications (VLC) system, in which the multi-dimensional codewords selected from a predefined codebook set are used to encode the transmitted data and a
Ghassemlooy, Zabih +4 more
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Grant-Free Uplink Transmission With Multi-Codebook-Based Sparse Code Multiple Access (MC-SCMA)
IEEE Access, 2019 In sparse code multiple access (SCMA)-based grant-free (GF) access, both user's channel and the selected SCMA codebook (CB) are considered as a transmission signature for multi-user detection (MUD). In conventional SCMA-based grant-free (GF) access where
Ameha Tsegaye Abebe, Chung G. Kang
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Deep-Unfolded Sparse CDMA: Multiuser Detector and Sparse Signature Design
IEEE Access, 2021 Sparse code division multiple access (SCDMA) is a promising non-orthogonal multiple access technique for future wireless communications. In SCDMA, transmitted symbols from multiple users are coded by their own sparse signature sequences, and a base ...
Satoshi Takabe +2 more
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Low-Complexity Codebook Design for SCMA-Based Visible Light Communication
IEEE Open Journal of the Communications Society, 2022 Sparse code multiple access (SCMA), as a code-domain non-orthogonal multiple access (NOMA) scheme, has received considerable research attention for enabling massive connectivity in future wireless communication systems.
Saumya Chaturvedi +4 more
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