Multiple intelligent reflecting surface aided multi-user weighted sum-rate maximization using manifold optimization

L Zhang, Q Wang, H Wang - 2021 IEEE/CIC International …, 2021 - ieeexplore.ieee.org
Intelligent reflecting surface (IRS) are able to amend radio propagation condition tasks on
account of its functional properties in phase shift optimizing. In fact, there exists geometry …

Energy-efficient joint beamforming design for IRS-assisted MISO system

G Li, M Zeng, D Mishra, L Hao, Z Ma… - 2021 IEEE …, 2021 - ieeexplore.ieee.org
Intelligent reflective surface (IRS) is envisioned as a promising transmission technique for
next-generation communication systems owing to its ability to reconfigure the wireless …

Transmit beamforming design for multiuser multi-IoT-device symbiotic radios

J Wang, YC Liang - ICC 2023-IEEE International Conference …, 2023 - ieeexplore.ieee.org
Symbiotic radio (SR) is envisioned to support both Internet-of-Things (IoT) and cellular
networks by forming a mutualistic relationship between them. In this paper, we propose a …

Passive beamforming design for reconfigurable intelligent surface-aided OFDM: A fractional programming based approach

K Feng, Y Chen, Y Han, X Li… - 2021 IEEE 93rd Vehicular …, 2021 - ieeexplore.ieee.org
Reconfigurable intelligent surface (RIS) is a low-cost device envisioned to achieve
substantial promotion in both spectrum and energy efficiency in the future wireless …

Beamforming design for intelligent reflecting surface aided multi-antenna MU-MIMO communications with imperfect CSI

P Zeng, D Qiao, H Qian - 2020 IEEE/CIC International …, 2020 - ieeexplore.ieee.org
In this paper, the joint design of the beamforming scheme in intelligent reflecting surface
(IRS) assisted multiuser (MU) multiple-input multiple-output (MIMO) downlink transmissions …

Scalable predictive beamforming for IRS-assisted multi-user communications: A deep learning approach

C Liu, X Liu, Z Wei, DWK Ng, R Schober - arXiv preprint arXiv:2211.12644, 2022 - arxiv.org
Beamforming design for intelligent reflecting surface (IRS)-assisted multi-user
communication (IRS-MUC) systems critically depends on the acquisition of accurate channel …

Active RIS-aided EH-NOMA networks: a deep reinforcement learning approach

Z Shi, H Lu, X Xie, H Yang, C Huang… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
An active reconfigurable intelligent surface (RIS)-aided multi-user downlink communication
system is investigated, where non-orthogonal multiple access (NOMA) is employed to …

Deep reinforcement learning based optimization for IRS based UAV-NOMA downlink networks

S Jiao, X Xie, Z Ding - arXiv preprint arXiv:2106.09616, 2021 - arxiv.org
This paper investigates the application of deep deterministic policy gradient (DDPG) to
intelligent reflecting surface (IRS) based unmanned aerial vehicles (UAV) assisted non …

Two-timescale beamforming optimization for intelligent reflecting surface enhanced wireless network

MM Zhao, Q Wu, MJ Zhao… - 2020 IEEE 11th Sensor …, 2020 - ieeexplore.ieee.org
Intelligent reflecting surface (IRS) has drawn a lot of attention recently as a promising new
solution to achieve high spectral and energy efficiency for future wireless networks. Prior …

Globally Optimal Resource Allocation Design for Discrete Phase Shift IRS-Assisted Multiuser Networks with Perfect and Imperfect CSI

Y Wu, D Xu, DWK Ng, R Schober… - arXiv preprint arXiv …, 2023 - arxiv.org
Intelligent reflecting surfaces (IRSs) are a promising low-cost solution for achieving high
spectral and energy efficiency in future communication systems by enabling the …