792 citations · 948 across the 37 of their papers we have counts for
40 papers
TRP-UE Bistatic Sensing for 6G Performance Analysis and Insights
Necati Kagan Erkek, Marco Di Renzo, Arman Shojaeifard +4
Integrated sensing and communication (ISAC) equips cellular networks with the dual capability of data transmission and environmental sensing by sharing spectrum, waveforms, and rad…
A Balanced Parametrization of Correlation Matrices
Peter Reinhard Hansen, Chen Tong
We introduce the balanced correlation parametrization (BCP), which maps positive-definite correlation matrices one-to-one onto the set of symmetric hollow matrices. A key feature o…
Hybrid TRP-UE Sensing for Enhanced Target Localization
Necati Kagan Erkek, Marco Di Renzo, Arman Shojaeifard +4
Integrated Sensing and Communication (ISAC) refers to the capability for the network to provide communications services whilst also being able to sense the environment in a scalabl…
Exploiting Structural Flexibility in SIM-Enabled Communications: From Adaptive Inter-Layer Spacing to Fully Morphable Layers
Ahmed Magbool, Vaibhav Kumar, Marco Di Renzo +1
Stacked intelligent metasurfaces (SIMs) have recently emerged as a promising metasurface-based physical-layer paradigm for wireless communications, enabling wave-domain signal proc…
Energy Efficiency Maximization of MIMO Systems through Reconfigurable Holographic Beamforming
Robert Kuku Fotock, Alessio Zappone, Agbotiname Lucky Imoize +1
This study considers a point-to-point wireless link, in which both the transmitter and receiver are equipped with multiple antennas. In addition, two reconfigurable metasurfaces ar…
LoS+NLoS Holographic MIMO: Analysis and Application of Wavenumber-Division Multiplexing
Ashutosh Prajapati, Prathapasinghe Dharmawansa, Marco Di Renzo +1
Holographic multiple-input multiple-output (MIMO) enables electrically large continuous apertures, overcoming the physical scaling limits of conventional MIMO architectures with ha…
The Role of ISAC in 6G Networks: Enabling Next-Generation Wireless Systems
Muhammad Umar Farooq Qaisar, Weijie Yuan, Onur Günlü +6
The commencement of the sixth-generation (6G) wireless networks represents a fundamental shift in the integration of communication and sensing technologies to support next-generati…
Diffusion Models for Future Networks and Communications: A Comprehensive Survey
Nguyen Cong Luong, Nguyen Duc Hai, Duc Van Le +9
The rise of Generative AI (GenAI) in recent years has catalyzed transformative advances in wireless communications and networks. Among the members of the GenAI family, Diffusion Mo…
Dynamical ON-OFF Control with Trajectory Prediction for Multi-RIS Wireless Networks
Kaining Wang, Bo Yang, Yusheng Lei +5
Reconfigurable intelligent surfaces (RISs) have demonstrated an unparalleled ability to reconfigure wireless environments by dynamically controlling the phase, amplitude, and polar…
Degrees of Freedom of Holographic MIMO -- Fundamental Theory and Analytical Methods
Juan Carlos Ruiz-Sicilia, Marco Di Renzo, Placido Mursia +2
Holographic multiple-input multiple-output (MIMO) is envisioned as one of the most promising technology enablers for future sixth-generation (6G) networks. The use of electrically…
Survey on Beyond Diagonal RIS Enabled 6G Wireless Networks: Fundamentals, Recent Advances, and Challenges
Wali Ullah Khan, Manzoor Ahmed, Chandan Kumar Sheemar +7
Beyond Diagonal Reconfigurable Intelligent Surfaces (BD-RIS) represent a groundbreaking innovation in sixth-generation (6G) wireless networks, enabling unprecedented control over w…
Secrecy Rate Maximization for 6G Reconfigurable Holographic Surfaces Assisted Systems
Chandan Kumar Sheemar, Wali Ullah Khan, Marco di Renzo +3
Reconfigurable holographic surfaces (RHS) have emerged as a transformative material technology, enabling dynamic control of electromagnetic waves to generate versatile holographic…
Downlink Multiuser Communications Relying on Flexible Intelligent Metasurfaces
Jiancheng An, Chau Yuen, Marco Di Renzo +3
A flexible intelligent metasurface (FIM) is composed of an array of low-cost radiating elements, each of which can independently radiate electromagnetic signals and flexibly adjust…
Integrating Optimization Theory with Deep Learning for Wireless Network Design
Sinem Coleri, Aysun Gurur Onalan, Marco di Renzo
Traditional wireless network design relies on optimization algorithms derived from domain-specific mathematical models, which are often inefficient and unsuitable for dynamic, real…
State of the Art on Stacked Intelligent Metasurfaces: Communication, Sensing and Computing in the Wave Domain
Marco Di Renzo
Stacked intelligent metasurface (SIM) is an emerging technology that capitalizes on reconfigurable metasurfaces for several applications in wireless communications. SIM is consider…
Multiport Network Theory for Modeling and Optimizing Reconfigurable Metasurfaces
Marco Di Renzo, Philipp del Hougne
Multiport network theory (MNT) is a powerful analytical tool for modeling and optimizing complex systems based on circuit models. We present an overview of current research on the…
Electromagnetically Consistent Optimization Algorithms for the Global Design of RIS
M. W. Shabir, M. Di Renzo, A. Zappone +1
The reconfigurable intelligent surface is an emerging technology for wireless communications. We model it as an inhomogeneous boundary of surface impedance, and consider various op…
Multi-user ISAC through Stacked Intelligent Metasurfaces: New Algorithms and Experiments
Ziqing Wang, Hongzheng Liu, Jianan Zhang +5
This paper investigates a Stacked Intelligent Metasurfaces (SIM)-assisted Integrated Sensing and Communications (ISAC) system. An extended target model is considered, where the BS…
Integrated Sensing and Communications for IoT: Synergies with Key 6G Technology Enablers
Aryan Kaushik, Rohit Singh, Ming Li +7
The Internet of Things (IoT) and wireless generations have been evolving simultaneously for the past few decades. Built upon wireless communication and sensing technologies, IoT ne…
Optimization of RIS-aided SISO Systems Based on a Mutually Coupled Loaded Wire Dipole Model
Nemanja Stefan Perović, Le-Nam Tran, Marco Di Renzo +1
The electromagnetic (EM) features of reconfigurable intelligent surfaces (RISs) fundamentally determine their operating principles and performance. Motivated by these consideration…
Joint Metrics for EMF Exposure and Coverage in Real-World Homogeneous and Inhomogeneous Cellular Networks
Quentin Gontier, Charles Wiame, Shanshan Wang +6
This paper evaluates the downlink performance of cellular networks in terms of coverage and electromagnetic field exposure (EMFE), in the framework of stochastic geometry. The mode…
Joint Activity Detection and Channel Estimation for Massive IoT Access Based on Millimeter-Wave/Terahertz Multi-Panel Massive MIMO
Hanlin Xiu, Zhen Gao, Anwen Liao +5
The multi-panel array, as a state-of-the-art antenna-in-package technology, is very suitable for millimeter-wave (mmWave)/terahertz (THz) systems, due to its low-cost deployment an…
A Novel SCA-Based Method for Beamforming Optimization in IRS/RIS-Assisted MU-MISO Downlink
Vaibhav Kumar, Rui Zhang, Marco Di Renzo +1
In this letter, we consider the fundamental problem of jointly designing the transmit beamformers and the phase-shifts of the intelligent reflecting surface (IRS) / reconfigurable…
Intelligent Omni-Surfaces (IOSs) for the MIMO Broadcast Channel
Abdelhamed Mohamed, Nemanja Stefan Perović, Marco Di Renzo
In this paper, we consider intelligent omni-surfaces (IOSs), which are capable of simultaneously reflecting and refracting electromagnetic waves. We focus our attention on the mult…