Rate Control for RIS-Empowered Multi-Cell Dual-Connectivity HetNets: A Distributed Multi-Task DRL Approach

A Alwarafy, M Abdallah, N Al-Dhahir… - IEEE Transactions …, 2024 - ieeexplore.ieee.org
Heterogeneous wireless networks (HetNets), where networks are deployed with ultra-dense
small cells (SCs), is one of the main enabling technologies for future wireless networks. In …

Multi-task DRL for rate control in RIS-assisted multi-cell dual-connectivity HetNets

A Alwarafy, M Abdallah, N Al-Dhahir… - … 2022-2022 IEEE …, 2022 - ieeexplore.ieee.org
Reconfigurable Intelligent Surface (RIS) has recently emerged as an enabling technology to
enhance reliability and overcome blockage in future heterogeneous wireless networks …

Joint Resource Allocation and Passive Beamforming in RIS-aided HetNets with Wireless Backhaul

J Niu, Y Wang, X Zhou - IEEE Transactions on Wireless …, 2023 - ieeexplore.ieee.org
Heterogeneous networks (HetNets) have been widely used in the development of 5G
because a large number of small base stations (SBSs) can be deployed in hot spots to …

Robust max-min energy efficiency for RIS-aided HetNets with distortion noises

Y Xu, H Xie, Q Wu, C Huang… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
The energy efficiency (EE) of femtocells is always limited by the surrounding radio
environments in heterogeneous networks (HetNets), such as walls and obstacles. In this …

DRL-based resource management in RIS-assisted uplink cell-free network

Y Cui, T Lv, Y Cao - 2022 IEEE Globecom Workshops (GC …, 2022 - ieeexplore.ieee.org
One of the main bottlenecks of the cell-free network practical deployment is the need for
significant numerous access points (APs) with high hardware cost and power consumption …

Hierarchical multi-agent DRL-based framework for joint multi-RAT assignment and dynamic resource allocation in next-generation hetnets

A Alwarafy, BS Çiftler, M Abdallah… - … on Network Science …, 2022 - ieeexplore.ieee.org
This article considers the problem of cost-aware downlink sum-rate maximization via joint
optimal radio access technologies (RATs) assignment and power allocation in next …

Distributed two-tier DRL framework for cell-free network: Association, beamforming and power allocation

K Yu, C Zhao, G Wu, GY Lit - ICC 2023-IEEE International …, 2023 - ieeexplore.ieee.org
Intelligent wireless networks have long been expected to have self-configuration and self-
optimization capabilities to adapt to various environments and demands. In this paper, we …

DRL-Based joint RAT association, power and bandwidth optimization for future HetNets

A Alwarafy, BS Ciftler, M Abdallah… - IEEE Wireless …, 2022 - ieeexplore.ieee.org
Multi-radio access technologies (RATs) networks, where various heterogeneous networks
(HetNets) coexist, are in service nowadays and considered a main enabling technology for …

Multi-Agent Deep Reinforcement Learning Based Downlink Beamforming in Heterogeneous Networks

Z Zhang, J Hou, X Chu, H Zhou, G Wei… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
We consider a heterogeneous network (HetNet), where multiple access points (APs) of
potentially different transmission capacities serve users simultaneously via beamforming in …

Joint DL/UL decoupled cell-association and resource allocation in D2D-underlay HetNets

Y Shi, E Alsusa, MW Baidas - IEEE Transactions on Vehicular …, 2021 - ieeexplore.ieee.org
With the rise of data-hungry applications and the rapid development of the Internet-of-Things
(IoT), 5G and device-to-device (D2D) communications come into being. While such …