Multi-IRS-assisted multi-cell uplink MIMO communications under imperfect CSI: A deep reinforcement learning approach
Applications of intelligent reflecting surfaces (IRSs) in wireless networks have attracted
significant attention recently. Most of the relevant literature is focused on the single cell …
significant attention recently. Most of the relevant literature is focused on the single cell …
Deep reinforcement learning based spectral efficiency maximization in STAR-RIS-assisted indoor outdoor communication
The significant growth in data consumption among mobile users necessitates the
development of new architecture to meet the increasing demand. On the other hand …
development of new architecture to meet the increasing demand. On the other hand …
Deep reinforcement learning based joint downlink beamforming and RIS configuration in RIS-aided MU-MISO systems under hardware impairments and imperfect …
B Saglam, D Gurgunoglu… - 2023 IEEE International …, 2023 - ieeexplore.ieee.org
We introduce a novel deep reinforcement learning (DRL) approach to jointly optimize
transmit beamforming and reconfigurable intelligent surface (RIS) phase shifts in a multiuser …
transmit beamforming and reconfigurable intelligent surface (RIS) phase shifts in a multiuser …
Deep reinforcement learning based power minimization for RIS-assisted MISO-OFDM systems
In this paper, we investigate the downlink orthogonal frequency division multiplexing
(OFDM) transmission system assisted by reconfigurable intelligent surfaces (RISs) …
(OFDM) transmission system assisted by reconfigurable intelligent surfaces (RISs) …
Beamforming optimization for IRS-assisted mmWave V2I communication systems via reinforcement learning
Intelligent reflecting surface (IRS), which can provide a propagation path where non-line-of-
sight (NLOS) link exists, is a promising technology to enable beyond fifth-generation (B5G) …
sight (NLOS) link exists, is a promising technology to enable beyond fifth-generation (B5G) …
Proximal policy optimization-based transmit beamforming and phase-shift design in an IRS-aided ISAC system for the THz band
In this paper, an IRS-aided integrated sensing and communications (ISAC) system operating
in the terahertz (THz) band is proposed to maximize the system capacity. Transmit …
in the terahertz (THz) band is proposed to maximize the system capacity. Transmit …
DRL-based joint optimization for 3D-oriented multi-IRS communication systems
This paper investigates the achievable rates of multiple intelligent reflecting surface (IRS)-
assisted multi-hop communications by exploring the impact of three-dimensional (3D) IRS …
assisted multi-hop communications by exploring the impact of three-dimensional (3D) IRS …
Deep reinforcement learning for robust beamforming in IRS-assisted wireless communications
Intelligent reflecting surface (IRS) is a promising technology to assist downlink information
transmissions from a multi-antenna access point (AP) to a receiver. In this paper, we …
transmissions from a multi-antenna access point (AP) to a receiver. In this paper, we …
Sum-path-gain maximization for IRS-aided MIMO communication system via riemannian gradient descent network
G Zhu, J Hu, K Zhong, X Cheng… - IEEE Signal Processing …, 2023 - ieeexplore.ieee.org
Intelligent reflecting surface (IRS) is a key technique for enhancing the performance of
wireless communications. In this letter, we focus on the sum-path-gain maximization (SPGM) …
wireless communications. In this letter, we focus on the sum-path-gain maximization (SPGM) …
Learning-Based Intelligent Reflecting Surface-Aided Cell-Free Massive MIMO Systems
Q Wang, Q Chen, Y Zhang… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Intelligent reflecting surface (IRS) is amenable to assisting cell-free wireless networks
because of its low cost and high spectrum efficiency. However, solving the IRS optimization …
because of its low cost and high spectrum efficiency. However, solving the IRS optimization …