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eess.SP2025
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…
eess.SY2025
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…
eess.SP2025★ 17 cited
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…