720 citations · 2.3k across the 59 of their papers we have counts for
5 papers · 1 filter
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,…
Spectral Efficiency and Energy Efficiency Tradeoff in Massive MIMO Downlink Transmission with Statistical CSIT
Li You, Jiayuan Xiong, Alessio Zappone +2
As a key technology for future wireless networks, massive multiple-input multiple-output (MIMO) can significantly improve the energy efficiency (EE) and spectral efficiency (SE), a…
Smart Radio Environments Empowered by Reconfigurable Intelligent Surfaces: How it Works, State of Research, and Road Ahead
Marco Di Renzo, Alessio Zappone, Merouane Debbah +4
What is a reconfigurable intelligent surface? What is a smart radio environment? What is a metasurface? How do metasurfaces work and how to model them? How to reconcile the mathema…
Resource Allocation in Wireless Networks Assisted by Reconfigurable Intelligent Surfaces
Stefano Buzzi, Carmen D'Andrea, Alessio Zappone +3
Reconfigurable Intelligent Surfaces (RISs) are recently attracting a wide interest due to their capability of tuning wireless propagation environments in order to increase the syst…
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…