Exploiting amplitude control in intelligent reflecting surface aided wireless communication with imperfect CSI

MM Zhao, Q Wu, MJ Zhao… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Intelligent reflecting surface (IRS) is a promising new paradigm to achieve high spectral and
energy efficiency for future wireless networks by reconfiguring the wireless signal …

Closed-form global optimization of beyond diagonal reconfigurable intelligent surfaces

M Nerini, S Shen, B Clerckx - IEEE Transactions on Wireless …, 2023 - ieeexplore.ieee.org
Reconfigurable intelligent surfaces (RISs) allow controlling the propagation environment in
wireless networks by tuning multiple reflecting elements. RISs have been traditionally …

Improved spectral efficiency in STAR-RIS aided uplink communication using rate splitting multiple access

M Katwe, K Singh, B Clerckx… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
In this paper, a phase-shift coupled simultaneous transmitting/refracting and reflecting
reconfigurable intelligent surface (STAR-RIS)-aided uplink (UL) rate-splitting multiple access …

Active-passive irs aidedwireless communication: New hybrid architecture and elements allocation optimization

Z Kang, C You, R Zhang - IEEE Transactions on Wireless …, 2023 - ieeexplore.ieee.org
Intelligent reflecting surface (IRS) has emerged as a promising technology to enhance the
wireless communication network coverage and capacity by dynamically controlling the radio …

Secure and energy efficient transmission for IRS-assisted cognitive radio networks

X Wu, J Ma, Z Xing, C Gu, X Xue… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
The spectrum efficiency (SE) and security of the secondary users (SUs) in the cognitive radio
networks (CRNs) have become two main issues due to the limitation interference to the …

Channel estimation for IRS-assisted millimeter-wave MIMO systems: Sparsity-inspired approaches

T Lin, X Yu, Y Zhu, R Schober - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Due to their ability to create favorable line-of-sight (LoS) propagation environments,
intelligent reflecting surfaces (IRSs) are regarded as promising enablers for future millimeter …

Weighted sum-rate maximization for multi-IRS aided cooperative transmission

Z Li, M Hua, Q Wang, Q Song - IEEE Wireless Communications …, 2020 - ieeexplore.ieee.org
This letter investigates multiple intelligent reflecting surfaces (IRSs) aided wireless network,
where the IRSs are deployed to cooperatively assist communications between a multi …

Enhanced secrecy rate maximization for directional modulation networks via IRS

F Shu, J Wang - Intelligent Reflecting Surface-Aided Physical-Layer …, 2023 - Springer
IRS is of low-cost and energy-efficiency and will be a promising technology for the future
wireless communications like sixth generation. To address the problem of conventional DM …

Resource allocation in uplink NOMA-IoT networks: A reinforcement-learning approach

W Ahsan, W Yi, Z Qin, Y Liu… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Non-orthogonal multiple access (NOMA) exploits the potential of the power domain to
enhance the connectivity for the Internet of Things (IoT). Due to time-varying communication …

Capacity and optimal resource allocation for IRS-assisted multi-user communication systems

X Mu, Y Liu, L Guo, J Lin… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
The fundamental capacity limits of intelligent reflecting surface (IRS)-assisted multi-user
wireless communication systems are investigated in this article. Specifically, the capacity …