Multi-agent reinforcement learning-based buffer-aided relay selection in IRS-assisted secure cooperative networks

C Huang, G Chen, KK Wong - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
This paper proposes a multi-agent deep reinforcement learning-based buffer-aided relay
selection scheme for an intelligent reflecting surface (IRS)-assisted secure cooperative …

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 …

Finite block length analysis of RIS-assisted UAV-based multiuser IoT communication system with non-linear EH

N Agrawal, A Bansal, K Singh, CP Li… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Reconfigurable intelligent surface (RIS) has emerged as an important transmission
technology for numerous applications in Internet of Things (IoT) systems. Thus, in this paper …

Rate-splitting multiple access with STAR RIS over spatially-correlated channels

S Dhok, PK Sharma - IEEE Transactions on Communications, 2022 - ieeexplore.ieee.org
The paper explores simultaneous transmitting and reflecting (STAR) reconfigurable
intelligent surface (RIS)-aided rate-splitting multiple access (RSMA) communication. A base …

OTFS-aided RIS-assisted SAGIN systems outperform their OFDM counterparts in doubly selective high-Doppler scenarios

C Xu, L Xiang, J An, C Dong, S Sugiura… - IEEE Internet of …, 2022 - ieeexplore.ieee.org
The recently developed reconfigurable intelligent surfaces (RISs) are capable of improving
the coverage of space–air–ground integrated networks (SAGINs), where the signals can be …

RIS assisted wireless powered IoT networks with phase shift error and transceiver hardware impairment

Z Chu, J Zhong, P Xiao, D Mi, W Hao… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
Considering a reconfigurable intelligent surface (RIS) aided wireless powered Internet of
Things (WP IoT) network. To address the energy-limitation issue, IoT devices in such a …

Average rate and error probability analysis in short packet communications over RIS-aided URLLC systems

R Hashemi, S Ali, NH Mahmood… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
In this paper, the average achievable rate and error probability of a reconfigurable intelligent
surface (RIS) aided systems is investigated for the finite blocklength (FBL) regime. The …

Resource allocation for active IRS-assisted multiuser communication systems

D Xu, X Yu, DWK Ng, R Schober - 2021 55th Asilomar …, 2021 - ieeexplore.ieee.org
Intelligent reflecting surfaces (IRSs) are emerging as promising enablers for the next
generation of wireless communication systems, because of their ability to customize …

RIS-enabled and access-point-free simultaneous radio localization and mapping

H Kim, H Chen, MF Keskin, Y Ge… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
In the upcoming sixth generation (6G) of wireless communication systems, reconfigurable
intelligent surfaces (RISs) are regarded as one of the promising technological enablers …

Resource allocation for IRS-assisted wireless-powered FDMA IoT networks

Z Chu, Z Zhu, X Li, F Zhou, L Zhen… - IEEE Internet of Things …, 2021 - ieeexplore.ieee.org
This article investigates intelligent reflecting surface (IRS)-assisted wireless-powered
Internet of Things (IoT) networks. Specifically, multiple IoT devices first collect energy …