Non-orthogonal multiple access (NOMA) is regarded as a promising technology in achieving
high capacity and massive connectivity. In this paper, the reliable transmission scheme of …

This paper investigates the dense multi-user sparse code multiple access (SCMA) cellular
networks, where base stations (BSs) and users are randomly deployed in a 3D space by …

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 …

Considering the performance of the sparse code multiple access (SCMA) networks at the
entirely different signal to noise ratios (SNRs) of users is crucial. In this paper, a near-optimal …

Due to the lack of spectrum resources, effective methods must be proposed to meet the
needs of the Internet of Things (IoT) massive connectivity. In this paper, two effective …

Two-dimensional (2D) models for performance analysis of wireless networks are
inappropriate for high-rise buildings and city central business districts, particularly when …

The received signals used for sparse code multiple access (SCMA) detection are usually
contaminated with noise during transmission, which exposes an issue of low decoding …

Fog radio access networks (F-RANs) are seen as potential architectures to support large-
volumn data services. Fog access points (F-APs) act as content caching helpers in F-RANs …

Considering the performance of the sparse code multiple access (SCMA) network as an
effective technique to improve spectral efficiency is essential when the signal to noise ratios …

The ubiquity of data-enabled mobile devices and wireless-enabled data applications has
fostered the rapid development of wireless content caching, which is an efficient approach to …