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Author

Xiao-Jun Yuan

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Preprint Aug 2026

A Universal Random Precoding Framework for MIMO Systems

Current wireless systems combat inter-symbol interference (ISI) by diagonalizing or sparsifying the channel matrix, yet they remain vulnerable to selective fading. To address this, we propose a universal random precoding (RP) transmission framework based on the universality class. RP leverages random transforms to stat...

Jiazhen Dong, Lei Liu, Xiao-Jun Yuan et al. · 0 citations
Open access Aug 2026

Bridging Model Heterogeneity in Federated Learning with Group Prototypical Alignment

FedGPA is proposed, a hierarchical framework in which clients with comparable resources and identical architectures form a group and a server mediates knowledge transfer across groups of diverse models, and at its core, the lightweight, model-agnostic Aligned Co-decision (Alco) Unit aligns class-level prototypical info...

Liyinglan Liu, Zikai Xiao, Zi-Han Chen et al. · 0 citations

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