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cs.IT2025
Fundamental Limits of Hierarchical Secure Aggregation with Cyclic User Association
Xiang Zhang, Zhou Li, Kai Wan +3
Secure aggregation is motivated by federated learning (FL) where a cloud server aims to compute an {aggregated} model (i.e., weights of deep neural networks) of the locally-trained…
cs.IT2025
A New Construction Structure on Coded Caching with Linear Subpacketization: Non-Half-Sum Disjoint Packing
Minquan Cheng, Huimei Wei, Kai Wan +1
Coded caching is a promising technique to effectively reduce peak traffic by using local caches and the multicast gains generated by these local caches. We prefer to design a coded…
cs.IT2025
PDA Construction via Union of Cartesian Product Cache Configurations for Coded Caching
Jinyu Wang, Minquan Cheng, Kai Wan +1
Caching is an efficient technique to reduce peak traffic by storing popular content in local caches. Placement delivery array (PDA) proposed by Yan et al. is a combinatorial struct…