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Stacked intelligent metasurfaces (SIM) represents an advanced signal processing paradigm that enables over-the-air processing of electromagnetic waves at the speed of light. Its multi-layer structure exhibits customizable increased…

Signal Processing · Electrical Eng. & Systems 2024-02-15 Hao Liu , Jiancheng An , Derrick Wing Kwan Ng , George C. Alexandropoulos , Lu Gan

Densely deployed base stations are responsible for the majority of the energy consumed in Radio access network (RAN). While these deployments are crucial to deliver the required data rate in busy hours of the day, the network can save…

Systems and Control · Electrical Eng. & Systems 2026-04-02 Xuanyu Liang , Ahmed Al-Tahmeesschi , Swarna Chetty , Cicek Cavdar , Berk Canberk , Hamed Ahmadi

Non-terrestrial base stations (NTBSs), including high-altitude platform stations (HAPSs) and hot-air balloons (HABs), are integral to next-generation wireless networks, offering coverage in remote areas and enhancing capacity in dense…

Systems and Control · Electrical Eng. & Systems 2026-01-01 Hesam Khoshkbari , Georges Kaddoum , Bassant Selim , Omid Abbasi , Halim Yanikomeroglu

Upcoming Augmented Reality (AR) and Virtual Reality (VR) systems require high data rates ($\geq$ 500 Mbps) and low power consumption for seamless experience. With an increasing number of subscribing users, the total number of antennas…

Signal Processing · Electrical Eng. & Systems 2025-01-22 Muhammad Ahmed Mohsin , Sagnik Bhattacharya , Kamyar Rajabalifardi , Rohan Pote , John M. Cioffi

Utilizing Deep Reinforcement Learning (DRL) for Reconfigurable Intelligent Surface (RIS) assisted wireless communication has been extensively researched. However, existing DRL methods either act as a simple optimizer or only solve problems…

Systems and Control · Electrical Eng. & Systems 2026-01-19 Meng-Qian Alexander Wu , Tzu-Hsien Sang , Luisa Schuhmacher , Ming-Jie Guo , Khodr Hammoud , Sofie Pollin

This paper investigates reconfigurable intelligent surface (RIS)-assisted full-duplex multiple-input single-output wireless system, where the beamforming and RIS phase shifts are optimized to maximize the sum-rate for both single and…

Signal Processing · Electrical Eng. & Systems 2022-08-17 Alice Faisal , Ibrahim Al-Nahhal , Octavia A. Dobre , Telex M. N. Ngatched

In this paper, we propose a novel joint deep reinforcement learning (DRL)-based solution to optimize the utility of an uncrewed aerial vehicle (UAV)-assisted communication network. To maximize the number of users served within the…

Networking and Internet Architecture · Computer Science 2025-01-03 Xuli Cai , Poonam Lohan , Burak Kantarci

In this paper, a joint task, spectrum, and transmit power allocation problem is investigated for a wireless network in which the base stations (BSs) are equipped with mobile edge computing (MEC) servers to jointly provide computational and…

Signal Processing · Electrical Eng. & Systems 2020-07-21 Sihua Wang , Mingzhe Chen , Xuanlin Liu , Changchuan Yin , Shuguang Cui , H. Vincent Poor

Taking advantage of their data-driven and model-free features, Deep Reinforcement Learning (DRL) algorithms have the potential to deal with the increasing level of uncertainty due to the introduction of renewable-based generation. To deal…

Systems and Control · Electrical Eng. & Systems 2022-08-02 Hou Shengren , Edgar Mauricio Salazar , Pedro P. Vergara , Peter Palensky

In this paper, we propose reconfigurable intelligent surface (RIS)-assisted unmanned aerial vehicles (UAVs) networks that can utilise both advantages of UAV's agility and RIS's reflection for enhancing the network's performance. To aim at…

Signal Processing · Electrical Eng. & Systems 2021-08-09 Khoi Khac Nguyen , Saeed Khosravirad , Daniel Benevides da Costa , Long D. Nguyen , Trung Q. Duong

In wireless communication systems, mmWave beam tracking is a critical task that affects both sensing and communications, as it is related to the knowledge of the wireless channel. We consider a setup in which a Base Station (BS) needs to…

Signal Processing · Electrical Eng. & Systems 2023-06-28 Cristian J. Vaca-Rubio , Carles Navarro Manchón , Ramoni Adeogun , Petar Popovski

The study and benchmarking of Deep Reinforcement Learning (DRL) models has become a trend in many industries, including aerospace engineering and communications. Recent studies in these fields propose these kinds of models to address…

Machine Learning · Computer Science 2021-01-13 Juan Jose Garau Luis , Edward Crawley , Bruce Cameron

Exploiting unmanned aerial vehicles (UAVs) to execute tasks is gaining growing popularity recently. To solve the underlying task scheduling problem, the deep reinforcement learning (DRL) based methods demonstrate notable advantage over the…

Machine Learning · Computer Science 2023-06-07 Xiao Mao , Zhiguang Cao , Mingfeng Fan , Guohua Wu , Witold Pedrycz

The design of beamforming for downlink multi-user massive multi-input multi-output (MIMO) relies on accurate downlink channel state information (CSI) at the transmitter (CSIT). In fact, it is difficult for the base station (BS) to obtain…

Signal Processing · Electrical Eng. & Systems 2023-07-20 Zhenyuan Feng , Bruno Clerckx

Integrated Access and Backhaul (IAB) is critical for dense 5G and beyond deployments, especially in mmWave bands where fiber backhaul is infeasible. We propose a novel Deep Reinforcement Learning (DRL) framework for joint link scheduling…

Networking and Internet Architecture · Computer Science 2025-08-12 Maryam Abbasalizadeh , Sashank Narain

The optimal scheduling of interfering links in a dense wireless network with full frequency reuse is a challenging task. The traditional method involves first estimating all the interfering channel strengths then optimizing the scheduling…

Signal Processing · Electrical Eng. & Systems 2021-02-05 Wei Cui , Kaiming Shen , Wei Yu

In this paper, we present an advanced strategy for the coordinated control of a multi-agent aerospace system, utilizing Deep Neural Networks (DNNs) within a reinforcement learning framework. Our approach centers on optimizing autonomous…

Robotics · Computer Science 2024-12-16 Ye Zhang , Linyue Chu , Letian Xu , Kangtong Mo , Zhengjian Kang , Xingyu Zhang

Deep Reinforcement Learning (DRL) is gaining attention as a potential approach to design trajectories for autonomous unmanned aerial vehicles (UAV) used as flying access points in the context of cellular or Internet of Things (IoT)…

Information Theory · Computer Science 2022-02-07 Omid Esrafilian , Harald Bayerlein , David Gesbert

High Power Laser's (HPL) optimal performance is essential for the success of a wide variety of experimental tasks related to light-matter interactions. Traditionally, HPL parameters are optimised in an automated fashion relying on black-box…

Intelligent routing plays a key role in modern communication infrastructure, including data centers, computing networks, and future 6G networks. Although reinforcement learning (RL) has shown great potential for intelligent routing, its…