97 citations · 134 across the 12 of their papers we have counts for
12 papers
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…
Optimization of RIS-Aided MIMO -- A Mutually Coupled Loaded Wire Dipole Model
H. El Hassani, X. Qian, S. Jeong +5
We consider a reconfigurable intelligent surface (RIS) assisted multiple-input multiple-output (MIMO) system in the presence of scattering objects. The MIMO transmitter and receive…
On the Degrees of Freedom of RIS-Aided Holographic MIMO Systems
Juan Carlos Ruiz-Sicilia, Xuewen Qian, Marco Di Renzo +3
In this paper, we study surface-based communication systems based on different levels of channel state information for system optimization. We analyze the system performance in ter…
Reconfigurable Intelligent Surface-Assisted Secret Key Generation in Spatially Correlated Channels
Lei Hu, Guyue Li, Xuewen Qian +2
Reconfigurable intelligent surface (RIS) is a disruptive technology to enhance the performance of physical-layer key generation (PKG) thanks to its ability to smartly customize the…
Joint Transmit and Reflective Beamforming for RIS-assisted Secret Key Generation
Lei Hu, Guyue Li, Xuewen Qian +2
Reconfigurable intelligent surface (RIS) is a promising technique to enhance the performance of physical-layer key generation (PKG) due to its ability to smartly customize the radi…
K-Means Clustering-Aided Non-Coherent Detection for Molecular Communications
Xuewen Qian, Marco Di Renzo, Andrew W. Eckford
In this paper, we consider non-coherent detection for molecular communication systems in the presence of inter-symbol-interference. In particular, we study non-coherent detectors b…
MIMO Interference Channels Assisted by Reconfigurable Intelligent Surfaces: Mutual Coupling Aware Sum-Rate Optimization Based on a Mutual Impedance Channel Model
Andrea Abrardo, Davide Dardari, Marco Di Renzo +1
We investigate a multi-user multiple-input multiple-output interference network in the presence of multiple reconfigurable intelligent surfaces (RISs). The entire system is describ…
Mutual Coupling and Unit Cell Aware Optimization for Reconfigurable Intelligent Surfaces
Xuewen Qian, Marco Di Renzo
Reconfigurable intelligent surfaces (RISs) are an emerging technology for enhancing the performance of wireless networks at a low and affordable cost, complexity, and power consump…
Beamforming Through Reconfigurable Intelligent Surfaces in Single-User MIMO Systems: SNR Distribution and Scaling Laws in the Presence of Channel Fading and Phase Noise
Xuewen Qian, Marco Di Renzo, Jiang Liu +2
We consider a fading channel in which a multi-antenna transmitter communicates with a multi-antenna receiver through a reconfigurable intelligent surface (RIS) that is made of …
Overhead-Aware Design of Reconfigurable Intelligent Surfaces in Smart Radio Environments
Alessio Zappone, Marco Di Renzo, Farshad Shams +2
Reconfigurable intelligent surfaces have emerged as a promising technology for future wireless networks. Given that a large number of reflecting elements is typically used, and tha…
Reconfigurable Intelligent Surfaces vs. Relaying: Differences, Similarities, and Performance Comparison
M. Di Renzo, K. Ntontin, J. Song +12
Reconfigurable intelligent surfaces (RISs) have the potential of realizing the emerging concept of smart radio environments by leveraging the unique properties of meta-surfaces. In…
Keldysh field theory of a driven dissipative Mott insulator: nonequilibrium response and phase transitions
Sarath Sankar, Vikram Tripathi
Understanding strongly correlated systems driven out of equilibrium is a challenging task necessitating the simultaneous treatment of quantum mechanics,dynamical constraints and st…