Explanipedia

AoI-Aware Machine Learning for Constrained Multimodal Sensing-Aided Communications Open

Abolfazl Zakeri, Nhan T. Nguyen, Ahmed Alkhateeb, Markku Juntti · 2025

Using environmental sensory data can enhance communications beam training and reduce its overhead compared to conventional methods. However, the availability of fresh sensory data during inference may be limited due to sensing constraints …

Attention-Enhanced Learning for Sensing-Assisted Long-Term Beam Tracking in mmWave Communications Open

Mengyuan Ma, Nhan T. Nguyen, Nir Shlezinger, Yonina C. Eldar, Markku Juntti · 2025

Beam training and prediction in millimeter-wave communications are highly challenging due to fast time-varying channels and sensitivity to blockages and mobility. In this context, infrastructure-mounted cameras can capture rich environment…

Knowledge Distillation for Sensing-Assisted Long-Term Beam Tracking in mmWave Communications Open

Mengyuan Ma, Nhan T. Nguyen, Nir Shlezinger, Yonina C. Eldar, A. Lee Swindlehurst , et al. · 2025

Infrastructure-mounted sensors can capture rich environmental information to enhance communications and facilitate beamforming in millimeter-wave systems. This work presents an efficient sensing-assisted long-term beam tracking framework t…

Energy Efficiency for Massive MIMO Integrated Sensing and Communication Systems Open

Huy T. Nguyen, Van‐Dinh Nguyen, Nhan T. Nguyen, Nguyen Cong Luong, Vo Nguyen Quoc Bao , et al. · 2025

This paper explores the energy efficiency (EE) of integrated sensing and communication (ISAC) systems employing massive multiple-input multiple-output (mMIMO) techniques to leverage spatial beamforming gains for both communication and sens…

Dynamic Joint Communications and Sensing Precoding Design: A Lyapunov Approach Open

Abolfazl Zakeri, Nhan T. Nguyen, Ahmed Alkhateeb, Markku Juntti · 2025

A Study on Parametric Latent Dynamics Identification for Aerodynamic Flow Modelling Open

Sang-Uk Cheon, Hye Young Kim, Nhan T. Nguyen, HyungJun Cho · 2025

A Simple 3D Damage-Plasticity Model with Energy-Based Regularisation in SPH for Modelling Fractured Quasi-brittle Rocks Open

L.T. Vinh, Tien V. Nguyen, Nhan T. Nguyen, Giang D. Nguyen, Murat Karakus , et al. · 2025

This study presents a new 3D coupled damage-plasticity model with energy-based regularisation in Smoothed Particle Hydrodynamics (SPH) for modelling fractured quasi-brittle rocks. The model accounts for energy dissipation in both the tensi…

Digital and Hybrid Precoding Designs in Massive MIMO With Low-Resolution ADCs Open

Mengyuan Ma, Nhan T. Nguyen, Italo Atzeni, A. Lee Swindlehurst, Markku Juntti · 2025

Joint Beamforming Design and Bit Allocation in Massive MIMO With Resolution-Adaptive ADCs Open

Mengyuan Ma, Nhan T. Nguyen, Italo Atzeni, Markku Juntti · 2025

Constrained Multimodal Sensing-Aided Communications: A Dynamic Beamforming Design Open

Abolfazl Zakeri, Nhan T. Nguyen, Ahmed Alkhateeb, Markku Juntti · 2025

Using multimodal sensory data can enhance communications systems by reducing the overhead and latency in beam training. However, processing such data incurs high computational complexity, and continuous sensing results in significant power…

Sum Rate and Cramér-Rao Lower Bound Analysis for RIS-Assisted Multiuser Large-Antenna ISAC Open

Smriti Uniyal, Nhan T. Nguyen, Guddu Kumar, Marco Di Renzo, Markku Juntti · 2025

International audience

Optimal ISAC Beamforming Structure and Efficient Algorithms for Sum Rate and CRLB Balancing Open

Tianyu Fang, Mengyuan Ma, Markku Juntti, Nir Shlezinger, A. Lee Swindlehurst , et al. · 2025

Integrated sensing and communications (ISAC) has emerged as a promising paradigm to unify wireless communications and radar sensing, enabling efficient spectrum and hardware utilization. A core challenge with realizing the gains of ISAC st…

Comprehensive Review of Deep Unfolding Techniques for Next-Generation Wireless Communication Systems Open

Snata Deka, Kuntal Deka, Nhan T. Nguyen, Sanjeev Sharma, Vimal Bhatia , et al. · 2025

The application of machine learning in wireless communications has been extensively explored, with deep unfolding emerging as a powerful model-based technique. Deep unfolding enhances interpretability by transforming complex iterative algo…

Low-Complexity Cramér-Rao Lower Bound and Sum Rate Optimization in ISAC Systems Open

Tianyu Fang, Nhan T. Nguyen, Markku Juntti · 2025

While Cramér-Rao lower bound is an important metric in sensing functions in integrated sensing and communications (ISAC) designs, its optimization usually involves a computationally expensive solution such as semidefinite relaxation. In th…

Performance Analysis and Power Allocation for Massive MIMO ISAC Systems Open

Nhan T. Nguyen, Van‐Dinh Nguyen, Hieu V. Nguyen, Hien Quoc Ngo, A. Lee Swindlehurst , et al. · 2025

Modelling the evolution of fracture process zone considering strain rate effect Open

Nhan T. Nguyen, Dat G. Phan, Ha H. Bui, Murat Karakus, Giang D. Nguyen · 2025

Resource Allocation for RIS-Enhanced OFDM-MIMO ISAC Systems Open

Progress Zivuku, Nhan T. Nguyen, Symeon Chatzinotas, Björn Ottersten · 2025

Controlling behaviour of constitutive models for rocks using energy dissipations Open

Nhan T. Nguyen, Giang D. Nguyen, Murat Karakus, Ha H. Bui, Dat G. Phan · 2024

Deep Unfolding-Empowered MmWave Massive MIMO Joint Communications and Sensing Open

Nhan T. Nguyen, Ly V. Nguyen, Nir Shlezinger, Yonina C. Eldar, A. Lee Swindlehurst , et al. · 2024

In this paper, we propose a low-complexity and fast hybrid beamforming design for joint communications and sensing (JCAS) based on deep unfolding. We first derive closed-form expressions for the gradients of the communications sum rate and…

Deep Unfolding-Empowered Energy Efficiency Optimization in RIS-Assisted Wireless Communications Open

Pouya Mobaraki, Nhan T. Nguyen, Markku Juntti · 2024

Performance Analysis and Power Allocation for Massive MIMO ISAC Systems Open

Nhan T. Nguyen, Van‐Dinh Nguyen, Hieu V. Nguyen, Hien Quoc Ngo, A. Lee Swindlehurst , et al. · 2024

Integrated sensing and communications (ISAC) is envisioned as a key feature in future wireless communications networks. Its integration with massive multiple-input-multiple-output (MIMO) techniques promises to leverage substantial spatial …

Multi-Static Cell-Free Massive MIMO ISAC: Performance Analysis and Power Allocation Open

Nhan T. Nguyen, Tianyu Fang, Hien Quoc Ngo, Markku Juntti · 2024

In this work, we consider a cell-free massive multiple-input multiple-output (MIMO) integarted sensing and communications (ISAC) system with maximum-ratio transmission schemes combined with multistatic radar-type sensing. Our focus lies on…

Switch-Based Hybrid Beamforming Transceiver Design for Wideband Communications With Beam Squint Open

Mengyuan Ma, Nhan T. Nguyen, Markku Juntti · 2024

Digital and Hybrid Precoding Designs in Massive MIMO with Low-Resolution ADCs Open

Mengyuan Ma, Nhan T. Nguyen, Italo Atzeni, A. Lee Swindlehurst, Markku Juntti · 2024

Low-resolution analog-to-digital converters (ADCs) have emerged as an efficient solution for massive multiple-input multiple-output (MIMO) systems to reap high data rates with reasonable power consumption and hardware complexity. In this p…

Beamforming Design for Max-Min Fairness Performance Balancing in ISAC Systems Open

Tianyu Fang, Nhan T. Nguyen, Markku Juntti · 2024

Integrated sensing and communications (ISAC) is envisioned as a key technology for future wireless communications. In this paper, we consider a downlink monostatic ISAC system wherein the base station serves multiple communications users a…

Hybrid Receiver Design for Massive MIMO-OFDM with Low-Resolution ADCs and Oversampling Open

Mengyuan Ma, Nhan T. Nguyen, Italo Atzeni, Markku Juntti · 2024

Low-resolution analog-to-digital converters (ADCs) and hybrid beamforming have emerged as efficient solutions to reduce power consumption with satisfactory spectral efficiency (SE) in massive multiple-input multiple-output (MIMO) systems. …

Joint Beamforming Design and Bit Allocation in Massive MIMO with Resolution-Adaptive ADCs Open

Mengyuan Ma, Nhan T. Nguyen, Italo Atzeni, Markku Juntti · 2024

Low-resolution analog-to-digital converters (ADCs) have emerged as a promising technology for reducing power consumption and complexity in massive multiple-input multiple-output (MIMO) systems while maintaining satisfactory spectral and en…

Air quality monitoring using drones (UAV) Open

R. Alberto Bernabeo, Gianmarco D’Alessandro, Alessandro Ceruti, Laura Tositti, Nhan T. Nguyen , et al. · 2024

Air pollution causes many diseases and is a major environmental threat, therefore, it is essential to monitor and improve the air quality. With this work, we aim to assess atmospheric pollution using drone-mounted air sensors, with specifi…

Joint Communications and Sensing Hybrid Beamforming Design via Deep Unfolding Open

Nhan T. Nguyen, Ly V. Nguyen, Nir Shlezinger, Yonina C. Eldar, A. Lee Swindlehurst , et al. · 2024

Perspective Chapter: Intelligent Adaptive Flight Control Augmentation of a Dynamic Inversion Autopilot Open

Quang Lam, Anthony Calise, Nhan T. Nguyen · 2024

High-speed UAV flight control is challenged by unknown external aerodynamic disturbances and internal system variations due to complex aerodynamic configuration, propellant consumption, the center of gravity movement, and possible actuator…

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