4 papers · 1 filter
RIS Optimization and Scaling Laws in Multi-Operator Systems: Is Quadratic Scaling Achievable?
Zheyu Wu, Matteo Nerini, Bruno Clerckx
This paper studies multi-operator wireless communication systems aided by general reconfigurable intelligent surface (RIS), including both conventional single-connected RIS and bey…
An AMP-Based Asymptotic Analysis For Nonlinear One-Bit Precoding
Zheyu Wu, Junjie Ma, Ya-Feng Liu +1
This paper focuses on the asymptotic analysis of a class of nonlinear one-bit precoding schemes under Rayleigh fading channels. The considered scheme employs a convex-relaxation-th…
Low-Complexity Planar Beyond-Diagonal RIS Architecture Design Using Graph Theory
Matteo Nerini, Zheyu Wu, Shanpu Shen +1
Reconfigurable intelligent surfaces (RISs) enable programmable control of the wireless propagation environment and are key enablers for future networks. Beyond-diagonal RIS (BD-RIS…
Beyond Diagonal RIS in Multiuser MIMO: Graph Theoretic Modeling and Optimal Architectures with Low Complexity
Zheyu Wu, Bruno Clerckx
Reconfigurable intelligent surfaces (RIS) is regarded as a key enabler of wave/analog-domain beamforming, processing, and computing in future wireless communication systems. Recent…