138 citations · 436 across the 25 of their papers we have counts for
27 papers
Joint Mobile User Positioning and Passive Target Sensing using Optimized Sequential Beamforming
Aymen Hamrouni, Sofie Pollin, Hazem Sallouha
Integrated sensing and communication (ISAC) relies on monostatic sensing (MS) and bistatic positioning (BP) to enable comprehensive environmental awareness and user localization. H…
Disaggregated multi-domain interference classification for O-RAN
Dieter Verbruggen, Hazem Sallouha, Sofie Pollin
Spectrum sharing and dynamic spectrum reuse are becoming increasingly critical in modern wireless networks to address spectrum scarcity. However, these techniques inevitably increa…
Data Augmentation and Attention for massive MIMO-based Indoor Localization in Changing Environments
Luisa Schuhmacher, Hazem Sallouha, Ihsane Gryech +1
The demand for high-precision indoor localization has grown significantly with the rise of smart environments, industrial automation, and location-aware applications. While massive…
Machine Learning on the Edge for Sustainable IoT Networks: A Systematic Literature Review
Luisa Schuhmacher, Jimmy Fernandez Landivar, Ihsane Gryech +3
The Internet of Things (IoT) has become integral to modern technology, enhancing daily life and industrial processes through seamless connectivity. However, the rapid expansion of…
Resource Allocation in Hybrid Radio-Optical IoT Networks using GNN with Multi-task Learning
Aymen Hamrouni, Sofie Pollin, Hazem Sallouha
This paper addresses the problem of dual-technology scheduling in hybrid Internet-of-Things (IoT) networks that integrate Optical Wireless Communication (OWC) with Radio Frequency…
Analytical Modeling of Batteryless IoT Sensors Powered by Ambient Energy Harvesting
Jimmy Fernandez Landivar, Andrea Zanella, Ihsane Gryech +2
This paper presents a comprehensive mathematical model to characterize the energy dynamics of batteryless IoT sensor nodes powered entirely by ambient energy harvesting. The model…
Cell-Free Massive MIMO under a Non-Linear Power Amplifier Consumption Model
Robbert Beerten, Vida Ranjbar, Hazem Sallouha +1
Existing works on Cell-Free Massive MIMO primarily focus on optimising system throughput and energy efficiency under high-traffic scenarios with only a limited focus on variable us…
AoI in Context-Aware Hybrid Radio-Optical IoT Networks
Aymen Hamrouni, Sofie Pollin, Hazem Sallouha
With the surge in IoT devices ranging from wearables to smart homes, prompt transmission is crucial. The Age of Information (AoI) emerges as a critical metric in this context, repr…
Balanced Space- and Time-based Duty-cycle Scheduling for Light-based IoT
Khojiakbar Botirov, Hazem Sallouha, Sofie Pollin +1
In this work, we propose a Multiple Access Control (MAC) protocol for Light-based IoT (LIoT) networks, where the gateway node orchestrates and schedules batteryless nodes duty-cycl…
Batteryless BLE and Light-based IoT Sensor Nodes for Reliable Environmental Sensing
Jimmy Fernandez Landivar, Khojiakbar Botirov, Hazem Sallouha +2
The sustainable design of Internet of Things (IoT) networks encompasses considerations related to energy efficiency and autonomy as well as considerations related to reliable commu…
Computational Efficient Width-Wise Early Exiting in Wireless Communication Systems
Dieter Verbruggen, Hazem Sallouha, Sofie Pollin
Deep learning (DL) techniques are increasingly pervasive across various domains, including wireless communication, where they extract insights from raw radio signals. However, the…
Location-Based Load Balancing for Energy-Efficient Cell-Free Networks
Robbert Beerten, Vida Ranjbar, Andrea P. Guevara +2
Cell-Free Massive MIMO (CF mMIMO) has emerged as a potential enabler for future networks. It has been shown that these networks are much more energy-efficient than classical cellul…
Distributed Deep Learning for Modulation Classification in 6G Cell-Free Wireless Networks
Dieter Verbruggen, Hazem Sallouha, Sofie Pollin
In the evolution of 6th Generation (6G) technology, the emergence of cell-free networking presents a paradigm shift, revolutionizing user experiences within densely deployed networ…
Electric Field Evaluation of Reconfigurable Intelligent Surface in Wireless Networks
Zhuangzhuang Cui, Franco Minucci, Rizqi Hersyandika +4
Reconfigurable intelligent surface (RIS) used as infrastructure in wireless networks has been a trend, thanks to its low cost and high flexibility. Working in many ways including r…
On the Ground and in the Sky: A Tutorial on Radio Localization in Ground-Air-Space Networks
Hazem Sallouha, Sharief Saleh, Sibren De Bast +3
The inherent limitations in scaling up ground infrastructure for future wireless networks, combined with decreasing operational costs of aerial and space networks, are driving cons…
REM-U-net: Deep Learning Based Agile REM Prediction with Energy-Efficient Cell-Free Use Case
Hazem Sallouha, Shamik Sarkar, Enes Krijestorac +1
Radio environment maps (REMs) hold a central role in optimizing wireless network deployment, enhancing network performance, and ensuring effective spectrum management. Conventional…
ecoBLE: A Low-Computation Energy Consumption Prediction Framework for Bluetooth Low Energy
Luisa Schuhmacher, Sofie Pollin, Hazem Sallouha
Bluetooth Low Energy (BLE) is a de-facto technology for Internet of Things (IoT) applications, promising very low energy consumption. However, this low energy consumption accounts…
QualityBLE: A QoS Aware Implementation for BLE Mesh Networks
Jimmy Fernandez Landivar, Pieter Crombez, Sofie Pollin +1
Bluetooth Low Energy (BLE) Mesh is widely recognized as a driver technology for IoT applications. However, the lack of quality of service (QoS) in BLE Mesh, represented by packet p…
Enabling Low-Overhead Over-the-Air Synchronization Using Online Learning
Dieter Verbruggen, Hazem Sallouha, Sofie Pollin
Accurate network synchronization is a key enabler for services such as coherent transmission, cooperative decoding, and localization in distributed and cell-free networks. Unlike c…
Aerial Vehicles Tracking Using Noncoherent Crowdsourced Wireless Networks
Hazem Sallouha, Alessandro Chiumento, Sofie Pollin
Air traffic management (ATM) of manned and unmanned aerial vehicles (AVs) relies critically on ubiquitous location tracking. While technologies exist for AVs to broadcast their loc…
Evolution of Non-Terrestrial Networks From 5G to 6G: A Survey
M. Mahdi Azari, Sourabh Solanki, Symeon Chatzinotas +9
Non-terrestrial networks (NTNs) traditionally have certain limited applications. However, the recent technological advancements and manufacturing cost reduction opened up myriad ap…
Localization in Ultra Narrow Band IoT Networks: Design Guidelines and Trade-Offs
Hazem Sallouha, Alessandro Chiumento, Sreeraj Rajendran +1
Localization in long-range Internet of Things networks is a challenging task, mainly due to the long distances and low bandwidth used. Moreover, the cost, power, and size limitatio…
Tutorial on UAV: A Blue Sky View on Wireless Communication
Evgenii Vinogradov, Hazem Sallouha, Sibren De Bast +2
The growing use of Unmanned Aerial Vehicles (UAVs) for various applications requires ubiquitous and reliable connectivity for safe control and data exchange between these devices a…
Energy-Constrained UAV Trajectory Design for Ground Node Localization
Hazem Sallouha, Mohammad Mahdi Azari, Sofie Pollin
The use of aerial anchors for localizing terrestrial nodes has recently been recognized as a cost-effective, swift and flexible solution for better localization accuracy, providing…