Sparse code multiple access (SCMA) has excellent application prospects in satellite-
terrestrial links because of its high spectral efficiency and access capacity. In the end-to-end …

Sparse code multiple access (SCMA) is a promising code-domain non-orthogonal multiple
access (NOMA) scheme for the enabling of massive machine-type communication. In SCMA …

Sparse code multiple access (SCMA) technology has been widely studied thanks to its
outstanding overload performance, which provides greater device access on limited time …

The performance of grant-free random access (GF-RA) is limited by the number of
accessible random access resources (RRs) due to the absence of collision resolution …

摘要提升频谱资源利用率是未来移动通信亟待解决的一项重要目标. 其中, 稀疏码分多址(sparse
code multiple access, SCMA) 技术具备频谱利用率高, 抗干扰性能力强, 系统兼容性好等优点 …

A general form of codebook design for code-domain non-orthogonal multiple access (CD-
NOMA) can be considered equivalent to an autoencoder (AE)-based constellation design for …

Optimal Non-orthogonal multiple access (NOMA) design with practical finite-alphabet inputs
instead of ideal Gaussian inputs has been addressed in this paper. With the aid of tight …

Future mobile networks are envisioned to provide wireless access to a massive number of
devices. The substantial increase in connectivity comes mainly from machine-type …

Les tendances actuelles pointent vers une accélération de l'augmentation du nombre
d'objets cherchant à accéder au spectre radio, à la fois par la démocratisation des objets …