140 citations · 394 across the 35 of their papers we have counts for
10 papers · 1 filter
Reconfigurable Intelligent Surface (RIS) Aided Multi-User Networks: Interplay Between NOMA and RIS
Yuanwei Liu, Xidong Mu, Xiao Liu +3
This article focuses on the exploitation of reconfigurable intelligent surfaces (RISs) in multi-user networks employing orthogonal multiple access (OMA) or non-orthogonal multiple…
Compressive Sensing Based Joint Activity and Data Detection for Grant-Free Massive IoT Access
Yikun Mei, Zhen Gao, Yongpeng Wu +4
Massive machine-type communications (mMTC) are poised to provide ubiquitous connectivity for billions of Internet-of-Things (IoT) devices. However, the required low-latency massive…
Performance Analysis of Cell-Free Massive MIMO Systems: A Stochastic Geometry Approach
Anastasios Papazafeiropoulos, Pandelis Kourtessis, Marco Di Renzo +2
Cell-free (CF) massive multiple-input-multiple-output (MIMO) has emerged as an alternative deployment for conventional cellular massive MIMO networks. Prior works relied on the str…
Performance Analysis of a Two-Tile Reconfigurable Intelligent Surface Assisted MIMO System
Prathapasinghe Dharmawansa, Saman Atapattu, Marco Di Renzo
We consider a two--tile reconfigurable intelligent surface (RIS) assisted wireless network with a two-antenna transmitter and receiver over Rayleigh fading. We show that the averag…
Single-RF MIMO: From Spatial Modulation to Metasurface-Based Modulation
Qiang Li, Miaowen Wen, Marco Di Renzo
In multiple-input multiple-output (MIMO), multiple radio frequency (RF) chains are usually required to simultaneously transmit multiple data streams. As a special MIMO technology,…
Robust Secure UAV Communications with the Aid of Reconfigurable Intelligent Surfaces
Li Sixian, Duo Bin, Marco Di Renzo +2
This paper investigates a novel unmanned aerial vehicles (UAVs) secure communication system with the assistance of reconfigurable intelligent surfaces (RISs), where an UAV and a gr…
On the Path-Loss of Reconfigurable Intelligent Surfaces: An Approach Based on Green's Theorem Applied to Vector Fields
Fadil H. Danufane, Marco Di Renzo, Julien de Rosny +1
In this paper, we introduce a physics-based analytical characterization of the free-space path-loss of a wireless link in the presence of a reconfigurable intelligent surface. The…
On The Optimal Number of Reflecting Elements for Reconfigurable Intelligent Surfaces
Alessio Zappone, Marco Di Renzo, Xiaojun Xi +1
This work considers a point-to-point link where a reconfigurable intelligent surface assists the communication between transmitter and receiver. The system rate, energy efficiency,…
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…
Wireless 2.0: Towards an Intelligent Radio Environment Empowered by Reconfigurable Meta-Surfaces and Artificial Intelligence
Haris Gacanin, Marco Di Renzo
We introduce "Wireless 2.0": The future generation of wireless communication networks, where the radio environment becomes controllable, programmable, and intelligent by leveraging…