6 papers
Two-Layer Microwave Linear Analog Computer (MiLAC)-aided Multi-user MISO Networks
Xiaohua Zhou, Tianyu Fang, Yijie Mao +1
Microwave linear analog computer (MiLAC)-aided transmit beamforming, which processes transmitted symbols entirely in the analog domain, has recently emerged as a promising alternat…
On the Performance of Lossless Reciprocal MiLAC Architectures in Multi-User Networks
Tianyu Fang, Xiaohua Zhou, Yijie Mao
Microwave linear analog computer (MiLAC)-aided beamforming, which processes the transmitted symbols fully in the analog domain, has recently emerged as a promising alternative to f…
Generalized Beyond-Diagonal RIS Architectures: Theory and Design via Structure-oriented Symmetric Unitary Projection
Xiaohua Zhou, Tianyu Fang, Yijie Mao +1
Beyond-diagonal reconfigurable intelligent surface (BD-RIS), which enables advanced wave control through interconnection of RIS elements, are gaining growing recognition as a promi…
Convergence Theory of Flexible ALADIN for Distributed Optimization
Xu Du, Xiaohua Zhou, Shijie Zhu
The Augmented Lagrangian Alternating Direction Inexact Newton (ALADIN) method is a cutting-edge distributed optimization algorithm known for its superior numerical performance. It…
Joint Active and Passive Beamforming Optimization for Beyond Diagonal RIS-aided Multi-User Communications
Xiaohua Zhou, Tianyu Fang, Yijie Mao
Benefiting from its capability to generalize existing reconfigurable intelligent surface (RIS) architectures and provide additional design flexibility via interactions between RIS…
A Novel Q-stem Connected Architecture for Beyond-Diagonal Reconfigurable Intelligent Surfaces
Xiaohua Zhou, Tianyu Fang, Yijie Mao
Beyond-diagonal reconfigurable intelligent surface (BD-RIS) has garnered significant research interest recently due to its ability to generalize existing reconfigurable intelligent…