Energy efficiency and user capacity optimization of cognitive MIMO systems via the SCMA-based nonorthogonal time slot allocation

P Zhang, W Ge, Y Zhang, M Gao, G Zhang - Symmetry, 2020 - mdpi.com
This paper investigates the energy-efficient communications and user capacity in the
cognitive multiple input multiple output (MIMO) symmetric system of underlay mode. The …

[PDF][PDF] PERFORMANCE ANALYSIS, OPTIMISATION AND ENHANCEMENT OF NON-ORTHOGONAL MULTIPLE ACCESS

HMAY Yahya - 2023 - core.ac.uk
The emergence of revolutionary wireless applications is the driver behind the need for wider
connectivity to enable new breeds of advanced technologies, in addition to the increasingly …

Non-Orthogonal Multiple Access for Next-Generation Satellite Systems: Flexibility Exploitation and Resource Optimization

A Wang - 2022 - orbilu.uni.lu
In conventional satellite communication systems, onboard resource management follows
pre-design approaches with limited flexibility. On the one hand, this can simplify the satellite …

Artificial Intelligence-Driven Resource Allocation Techniques for Future NOMA Systems

AKE Waraiet - 2023 - etheses.whiterose.ac.uk
With the unprecedented demand for wireless connectivity, and given the scarce radio
resources, the quest for efficient and reliable multiple access (MA) techniques has never …

[PDF][PDF] Efficient Secure NOMA Schemes Based on Chaotic Physical Layer Security for Wireless Networks

I Al-Musawi, W Al-Hussaibi - researchgate.net
Non-orthogonal multiple access (NOMA) is considered by the 3GPP as a potential
technology for beyond 5G wireless networks to support massive connectivity with robust …

[PDF][PDF] Digital Communications and Networks

S Liu, T Wang, S Wang - research.aalto.fi
Digital Twin (DT) supports real time analysis and provides a reliable simulation platform in
the Internet of Things (IoT). The creation and application of DT hinges on amounts of data …