63 citations · 123 across the 27 of their papers we have counts for
7 papers · 1 filter
Closed-Form Global Optimization of Beyond Diagonal Reconfigurable Intelligent Surfaces
Matteo Nerini, Shanpu Shen, Bruno Clerckx
Reconfigurable intelligent surfaces (RISs) allow controlling the propagation environment in wireless networks by tuning multiple reflecting elements. RISs have been traditionally r…
An Efficient Ratio Detector for Ambient Backscatter Communication
Wenjing Liu, Shanpu Shen, Danny H. K. Tsang +2
Ambient backscatter communication (AmBC) leverages the existing ambient radio frequency (RF) environment to implement communication with battery-free devices. One critical challeng…
A Dynamic Grouping Strategy for Beyond Diagonal Reconfigurable Intelligent Surfaces with Hybrid Transmitting and Reflecting Mode
Hongyu Li, Shanpu Shen, Bruno Clerckx
Beyond diagonal reconfigurable intelligent surface (BD-RIS) is a novel branch of RIS which breaks through the limitation of traditional RIS with diagonal scattering matrices. Howev…
Beyond Diagonal Reconfigurable Intelligent Surfaces: A Multi-Sector Mode Enabling Highly Directional Full-Space Wireless Coverage
Hongyu Li, Shanpu Shen, Bruno Clerckx
Reconfigurable intelligent surface (RIS) has gained much traction due to its potential to manipulate the propagation environment via nearly-passive reconfigurable elements. In our…
Using Loaded N-port Structures to Achieve the Continuous-Space Electromagnetic Channel Capacity Bound
Zixiang Han, Shanpu Shen, Yujie Zhang +3
A method for achieving the continuous-space electromagnetic channel capacity bound using loaded N-port structures is described. It is relevant for the design of compact multiple-in…
Beyond Diagonal Reconfigurable Intelligent Surfaces: From Transmitting and Reflecting Modes to Single-, Group-, and Fully-Connected Architectures
Hongyu Li, Shanpu Shen, Bruno Clerckx
Reconfigurable intelligent surfaces (RISs) are envisioned as a promising technology for future wireless communications. With various hardware realizations, RISs can work under diff…