U. Spagnolini

Site Geometry and Calibration Uncertainties in Digital Twin-enabled Channel Estimation

Lorenzo Del Moro, Francesco Linsalata, Umberto Spagnolini +1

Fast ray tracing (RT) has stimulated the Digital Twin (DT) as an emerging technology for environment-aware communications. Since wireless propagation is governed by the interaction…

Indoor 60 GHz Radio Channel Dataset Enabling Digital Twin Construction

Davide Scazzoli, Daniele de Santis, Francesco Linsalata +3

The ambitious performance targets of modern wireless networks, including 6G and Industrial IoT (IIoT) systems, necessitate advanced hardware platforms utilizing millimeter-wave (mm…

Mobile Radio Networks and Weather Radars Dualism: Rainfall Measurement Revolution in Densely Populated Areas

Davide Tornielli Bellini, Mario Montopoli, Dario Tagliaferri +5

This study demonstrates, for the first time, how a network of cellular base stations (BSs) - the infrastructure of mobile radio networks - can be used as a distributed opportunisti…

Echo-Side Integrated Sensing and Communication via Space-Time Reconfigurable Intelligent Surfaces

Marouan Mizmizi, Stefano Tebaldini, Umberto Spagnolini

This paper presents an echo-side modulation framework for integrated sensing and communication (ISAC) systems. A space-time reconfigurable intelligent surface (ST-RIS) impresses a…

Enabling NLOS Imaging Capabilities at the Initial Access of 6G Base Stations

Davide Tornielli Bellini, Dario Tagliaferri, Pietro Grassi +3

Sensing in non-line-of-sight (NLOS) is one of the major challenges for integrated sensing and communication systems. Existing countermeasures for NLOS either use prior knowledge on…

Towards Channel Charting Enhancement with Non-Reconfigurable Intelligent Surfaces

Mahdi Maleki, Reza Agahzadeh Ayoubi, Marouan Mizmizi +1

We investigate how fully-passive electromagnetic skins (EMSs) can be engineered to enhance channel charting (CC) in dense urban environments. We employ two complementary state-of-t…

Chartwin: a Case Study on Channel Charting-aided Localization in Dynamic Digital Network Twins

Lorenzo Cazzella, Francesco Linsalata, Mahdi Maleki +3

Wireless communication systems can significantly benefit from the availability of spatially consistent representations of the wireless channel to efficiently perform a wide range o…

Channel Charting in Smart Radio Environments

Mahdi Maleki, Reza Agahzadeh Ayoubi, Marouan Mizmizi +1

This paper introduces the use of static electromagnetic skins (EMSs) to enable robust device localization via channel charting (CC) in realistic urban environments. We develop a ri…

High-Fidelity RF Mapping: Assessing Environmental Modeling in 6G Network Digital Twins

Lorenzo Cazzella, Francesco Linsalata, Damiano Badini +3

The design of accurate Digital Twins (DTs) of electromagnetic environments strictly depends on the fidelity of the underlying environmental modeling. Evaluating the differences amo…

Exploiting Age of Information in Network Digital Twins for AI-driven Real-Time Link Blockage Detection

Michele Zhu, Francesco Linsalata, Silvia Mura +3

The Line-of-Sight (LoS) identification is crucial to ensure reliable high-frequency communication links, especially those vulnerable to blockages. Network Digital Twins and Artific…

AI-empowered Real-Time Line-of-Sight Identification via Network Digital Twins

Michele Zhu, Silvia Mura, Francesco Linsalata +3

The identification of Line-of-Sight (LoS) conditions is critical for ensuring reliable high-frequency communication links, which are particularly vulnerable to blockages and rapid…

Low-Complexity CNN-Based Classification of Electroneurographic Signals

Arek Berc Gokdag, Silvia Mura, Antonio Coviello +3

Peripheral nerve interfaces (PNIs) facilitate neural recording and stimulation for treating nerve injuries, but real-time classification of electroneurographic (ENG) signals remain…

Joint Optimization of Uplink and Downlink Power in Full-Duplex Integrated Access and Backhaul

Giovanni Interdonato, Silvia Mura, Marouan Mizmizi +2

We examine the performance of an Integrated Access and Backhaul (IAB) node as a range extender for beyond-5G networks, focusing on the significant challenges of effective power all…

Hybrid MIMO in the Upper Mid-Band: Architectures, Processing, and Energy Efficiency

Marouan Mizmizi, Ahmed Alkhateeb, Umberto Spagnolini

As 6G networks evolve, the upper mid-band spectrum (7 GHz to 24 GHz), or frequency range 3 (FR3), is emerging as a promising balance between the coverage offered by sub-6 GHz bands…

Multi-View Integrated Imaging and Communication

Davide Tornielli Bellini, Dario Tagliaferri, Marouan Mizmizi +2

Non-line-of-sight (NLOS) operation is one of the open issues to be solved for integrated sensing and communication (ISAC) systems to become a pillar of the future wireless infrastr…

Sensing in NLOS: a Stroboscopic Approach

Davide Tornielli Bellini, Dario Tagliaferri, Marouan Mizmizi +2

Sensing in non-line-of-sight (NLOS) is a well-known issue that limits the effective range of radar-like sensors. Existing approaches for NLOS sensing consider the usage of either m…

Optimized Waveform Design for OFDM-based ISAC Systems Under Limited Resource Occupancy

Silvia Mura, Dario Tagliaferri, Marouan Mizmizi +2

The sixth generation (6G) of wireless networks introduces integrated sensing and communication (ISAC), a technology in which communication and sensing functionalities are inextrica…

eess.SP2024★ 28 cited

Toward Real-Time Digital Twins of EM Environments: Computational Benchmark of Ray Launching Software

Michele Zhu, Lorenzo Cazzella, Francesco Linsalata +3

Digital Twin has emerged as a promising paradigm for accurately representing wireless communication electromagnetic environments. The resulting virtual representation of reality fa…

Optimizing Curved EM Skins for Opportunistic Relaying in Vehicular Networks

Reza Aghazadeh Ayoubi, Silvia Mura, Dario Tagliaferri +2

Electromagnetic skins (EMSs) are recognized for enhancing communication performance, spanning from coverage to capacity. While much of the scientific literature focuses on reconfig…