Sparse code multiple access

By Hosein Nikopour, H. Baligh. IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, 2013

1,198 citations recorded by the source corpus.

Subfields: Computer Networks and Communications, Electrical and Electronic Engineering

View Paper: https://www.semanticscholar.org/paper/de19bd1be876549cbccb79e545c43442a6223f7a

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In Computer Networks and Communications

In Electrical and Electronic Engineering

Citations in the corpus

Grant-Free Non-Orthogonal Multiple Access for IoT: A Survey (2019, methodology): “RSMA [115]–[117] LSSA [118] SCMA [72]–[80] PDMA [82]–[87] LDS-SVE [88] MUSA [89] LCRS [94] NCMA [91] GOCA [95] NOCA [93] FDS [94] IDMA [119], [120] IGMA [121] RDMA [95] UE eNB UE eNB UE eNB”
A Survey on Non-Orthogonal Multiple Access for 5G Networks: Research Challenges and Future Trends (2017, background): “Both LDS and SCMA are based on the idea that one user’s information is spread over multiple subcarriers [7], [8], [11], [33].”
Non-orthogonal multiple access for 5G: solutions, challenges, opportunities, and future research trends (2015, methodology): “Three typical operations are phase rotation, complex conjugate, and dimensional permutation of the constellation [7].”
Rate-splitting multiple access for downlink communication systems: bridging, generalizing, and outperforming SDMA and NOMA (2017, neutral): “Contrary to orthogonal multiple access (OMA) that schedules users or groups of users in orthogonal dimensions, e.g., time (TDMA) and frequency (FDMA), NOMA superposes users in the same time-frequency resource via the power domain or the code domain, leading to the power-domain NOMA (e.g., [1]) and c”
The Road Towards 6G: A Comprehensive Survey (2021, background): “, CDMA in 3G), and provides an alternative to PD-NOMA with numerous variations, such as trellis-coded multiple access (TCMA) [132], interleave division multiple access (IDMA) [133], multi-user shared access (MUSA) [134], pattern-division multiple access (PDMA) [135], and sparsecode multiple access (”
Modulation and Multiple Access for 5G Networks (2017, methodology): “Due to the sparse structure of the spreading matrix and the large minimum distance of the multi-dimensional constellation, the detection performance of SCMA becomes excellent even when the resource blocks are overloaded.”
5G: A Tutorial Overview of Standards, Trials, Challenges, Deployment, and Practice (2017, neutral): “• New multiple access techniques [187]: Sparse code multiple access (SCMA) [169], [188], multi-user shared access (MUSA), pattern division multiple access (PDMA) [189].”
Exploiting Full/Half-Duplex User Relaying in NOMA Systems (2018, background): “Recently, several NOMA schemes have been researched in detail, such as power domain NOMA (PD-NOMA) [4], sparse code multiple access (SCMA) [5], pattern division multiple access (PDMA) [6], multiuser sharing access (MUSA) [7], etc. Generally speaking, NOMA schemes can be classiﬁed into two…”
Next Generation 5G Wireless Networks: A Comprehensive Survey (2016, background): “IDMA is a special case of CDMA.”
A Primer on Rate-Splitting Multiple Access: Tutorial, Myths, and Frequently Asked Questions (2022, background): “In SCMA, each user is assigned a sparse codeword according to its message.”
SCMA Codebook Design (2014, background): “Sparse code multiple access (SCMA) [2] is a multi-dimensional codebook-based non-orthogonal spreading technique which can be seen as a generalization of low density signature (LDS) [3] to address the above requirements.”
A Survey on Low Latency Towards 5G: RAN, Core Network and Caching Solutions (2017, methodology): “In order to supplement synchronization and orthogonality, sparse code multiple access (SCMA) and non orthogonal multiple access (NOMA) have been presented in [83] for 5G scenarios.”
Evolution of NOMA Toward Next Generation Multiple Access (NGMA) for 6G (2021, neutral): “The authors of [161] utilized matching theory to design codebook assignments for SCMA.”
Compressed Sensing for Wireless Communications: Useful Tips and Tricks (2015, neutral): “, sparse coding multiple access (SCMA) [70].”
Power-Domain Non-Orthogonal Multiple Access (NOMA) in 5G Systems: Potentials and Challenges (2016, background): “This can be further divided into a few different classes, such as low-density spreading CDMA (LDS-CDMA) [4, 5], low-density spreading-based OFDM (LDS-OFDM) [6, 7], and sparse code multiple access (SCMA) [8, 9].”