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Robust Precoding Designs of RSMA for Multiuser MIMO Systems
Wentao Zhou, Yijie Mao, Di Zhang +2
Rate-splitting multiple access (RSMA) has been studied for multiuser multiple-input multiple-output (MUMIMO) systems especially in the presence of imperfect channel state informati…
An Efficient Max-Min Fair Resource Optimization Algorithm for Rate-Splitting Multiple Access
Facheng Luo, Yijie Mao
The max-min fairness (MMF) problem in rate-splitting multiple access (RSMA) is known to be challenging due to its non-convex and non-smooth nature, as well as the coupled beamformi…
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…
Rate Splitting Multiple Access: Optimal Beamforming Structure and Efficient Optimization Algorithms
Tianyu Fang, Yijie Mao
Joint optimization for common rate allocation and beamforming design have been widely studied in rate splitting multiple access (RSMA) empowered multiuser multi-antenna transmissio…
Optimal Beamforming Structure and Efficient Optimization Algorithms for Generalized Multi-Group Multicast Beamforming Optimization
Tianyu Fang, Yijie Mao
In this work, we focus on solving non-smooth non-convex maximization problems in multi-group multicast transmission. Leveraging Karush-Kuhn-Tucker (KKT) optimality conditions and s…