Low complexity resource allocation scheme for IRS‐assisted downlink non‐orthogonal multiple access systems

R Ming, Z Rong - IET Networks, 2024 - Wiley Online Library
A low complexity resource allocation method is proposed for downlink non‐orthogonal
multiple access system assisted by intelligent reflecting surface (IRS). Firstly, an optimisation …

Passive Backscatter Communication Scheme for OFDM-IM with Dynamic Carrier Activation

S Li, R Lu - Sensors, 2023 - mdpi.com
Multicarrier backscattering has been proposed to improve the communication rate, but the
complex circuit structure of multicarrier backscattering devices requires more power …

Joint Optimization for Intelligent Reflecting Surface Enabled Backscatter Communication System

J Li, J Wang, J Liu - GLOBECOM 2023-2023 IEEE Global …, 2023 - ieeexplore.ieee.org
Backscatter communication, as a key technique to achieve low-power device transmission in
Internet of Things, has aroused wide concern all over the world in recent years. Since the …

Resource allocation of backscatter communication based on reconfigurable intelligent surface

Z Wang, Q Cao - Advanced Control for Applications …, 2024 - Wiley Online Library
In this article, we propose a double reconfigurable intelligent surface (RIS)‐aided ambient
backscatter communication (AmBC) network combined with non‐orthogonal multiple access …

The Cell-Free mMIMO Network Based on IRSs: Mathematical Analysis and Performance Evaluation

M Shalaby, M Wagih Lamie, M Shokair - Wireless Personal …, 2023 - Springer
The implementation of massive multiple input multiple output systems mMIMO can greatly
enhance the spectral efficiency SE performance for users. Although, the cell-edge users as …

Maximization of sum rate for Wireless Powered Communication Network with Intelligent Reflecting Surface and NOMA in the nonappearance of uplink and downlink …

E Ampoma Affum, S Tweneboah‐Koduah… - International Journal of … - Wiley Online Library
Abstract Wireless Powered Communication Networks (WPCNs) represent a transformative
approach to address the energy demands of mobile and Internet of Things (IoT) devices. By …

IRS-aided Uplink NOMA Systems Resource Allocation Scheme Based on Power Minimization

X TIAN, K WANG, X LI - 电子与信息学报, 2023 - jeit.ac.cn
A resource allocation scheme to minimize the total power is proposed for IRS-Assisted
single cluster uplink Non-Orthogonal Multiple Access (NOMA) systems. Firstly, the …

Reconfigurable Intelligent Surface for Next-Generation Networks

J Ye - 2022 - repository.kaust.edu.sa
Reconfigurable intelligent surfaces (RISs) are now considered among the key enabling
technologies catering to the ever-increasing demand for traffic rate in the future fifth …

Max-min Energy Efficiency Optimization of NOMA Enabled Backscatter Communication Systems

Z Wang, W Ding, Y Hu, Z Fan, X Wan… - 2022 14th International …, 2022 - ieeexplore.ieee.org
Backscatter network is a low power green communication technology. This paper studies the
resource optimization of backscatter communication network systems based on non …