Optimized SCMA codebook design by QAM constellation segmentation with maximized MED

S Liu, J Wang, J Bao, C Liu - IEEE Access, 2018 - ieeexplore.ieee.org
An optimized design of a sparse code multiple access (SCMA) codebook for uplink wireless
communications is presented by dividing an optimized 16-point round quadrature amplitude …

Design of SCMA codebooks using differential evolution

K Deka, M Priyadarsini, S Sharma… - 2020 IEEE …, 2020 - ieeexplore.ieee.org
Non-orthogonal multiple access (NOMA) is a promising technology which meets the
demands of massive connectivity in future wireless networks. Sparse code multiple access …

A novel scheme for the construction of the SCMA codebook

T Lei, S Ni, N Cheng, S Chen, X Song - IEEE Access, 2022 - ieeexplore.ieee.org
As a code-domain non-orthogonal multiple access technique, sparse code multiple access
(SCMA) is considered as a promising technique for future wireless Internet of Things (IoT) …

Joint radio resource allocation and SIC ordering in NOMA-based networks using submodularity and matching theory

A Zakeri, M Moltafet, N Mokari - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
In this paper, we propose a novel joint radio resource allocation and successive interference
cancellation (SIC) ordering algorithm for the downlink scenario of a power-domain sparse …

Distortion-aware cross-layer power allocation for video transmission over multi-user NOMA systems

H Lu, X Jiang, CW Chen - IEEE Transactions on Wireless …, 2020 - ieeexplore.ieee.org
Non-orthogonal multiple access (NOMA) is promising to enable growing video services with
requirements of massive traffic and low latency. In this paper, we investigate a novel multi …

A low-complexity codebook optimization scheme for sparse code multiple access

C Jiang, Y Wang, P Cheng… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Sparse code multiple access (SCMA) is a promising non-orthogonal multiple access
technique to support massive connectivity for future wireless Internet of Things (IoT) …

Low-complexity memory AMP detector for high-mobility MIMO-OTFS SCMA systems

Y Ge, L Liu, S Huang, D González… - 2023 IEEE …, 2023 - ieeexplore.ieee.org
Efficient signal detectors are rather important yet challenging to achieve satisfactory
performance for large-scale communication systems. This paper considers a non-orthogonal …

Biological resource allocation algorithms for heterogeneous uplink PD-SCMA NOMA networks

T Sefako, T Walingo - IEEE Access, 2020 - ieeexplore.ieee.org
Due to their ability to multiplex users on a resource element (RE), Non-orthogonal multiple
access (NOMA) techniques have gained popularity in 5G network implementation. The …

A multistage method for SCMA codebook design based on MDS codes

BF da Silva, D Silva, BF Uchôa-Filho… - IEEE wireless …, 2019 - ieeexplore.ieee.org
Sparse code multiple access (SCMA) has been recently proposed for the future generation
of wireless communication standards. SCMA system design involves specifying several …

Joint constellation design and multiuser detection for grant-free NOMA

Z Ma, W Wu, M Jian, F Gao… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
As a promising solution for massive machine-type communication, grant-free non-
orthogonal multiple access (GF-NOMA) has received considerable attention in recent years …