activity
20192026
most citedCache-aided Interference Management using Hypercube Combinatorial Cache Design with Reduced Subpacketizations and Order Optimal Sum-Degrees of Freedom

3 citations · 9 across the 10 of their papers we have counts for

collaborators

10 papers

cs.IT2026

Optimal Communication Rate of Secure Aggregation over Ring Networks with Pairwise Keys

Xiang Zhang, Han Yu, Zhou Li +2

Information-theoretic topological secure aggregation (TSA)\cite{zhang2026information_regular} enables distributed users to compute neighborhood sums over arbitrary networks without…

cs.IT2026

Reducing Subpacketization in Device-to-Device Coded Caching via Heterogeneous File Splitting

Xiang Zhang, Giuseppe Caire, Mingyue Ji

The packet type (PT)-based framework~\cite{zhang2026taming} provides a systematic and principled approach to designing device-to-device (D2D) coded caching schemes that achieve red…

cs.IT2026

Taming Subpacketization without Sacrificing Communication: A Packet Type-based Framework for D2D Coded Caching

Xiang Zhang, Giuseppe Caire, Mingyue Ji

Finite-length design is essential for making coded caching practical, as the optimal communication gains of existing schemes often require prohibitively large subpacketization. Thi…

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.IT2024

Optimal Communication and Key Rate Region for Hierarchical Secure Aggregation with User Collusion

Xiang Zhang, Kai Wan, Hua Sun +3

Secure aggregation is concerned with the task of securely uploading the inputs of multiple users to an aggregation server without letting the server know the inputs beyond their su…

cs.IT2021★ 2 cited

A New Design of Cache-aided Multiuser Private Information Retrieval with Uncoded Prefetching

Xiang Zhang, Kai Wan, Hua Sun +2

In the problem of cache-aided multiuser private information retrieval (MuPIR), a set of cache-equipped users wish to privately download a set of messages from distr…

cs.IT2020★ 1 cited

On the Fundamental Limits of Cache-aided Multiuser Private Information Retrieval

Xiang Zhang, Kai Wan, Hua Sun +2

We consider the problem of cache-aided Multiuser Private Information Retrieval (MuPIR) which is an extension of the single-user cache-aided PIR problem to the case of multiple user…

cs.IT2020★ 3 cited

Cache-aided Interference Management using Hypercube Combinatorial Cache Design with Reduced Subpacketizations and Order Optimal Sum-Degrees of Freedom

Xiang Zhang, Nicholas Woolsey, Mingyue Ji

We consider a cache-aided interference network which consists of a library of files, transmitters and receivers (users), each equipped with a local cache of size $M…

cs.IT2019

Cache-aided Interference Management Using Hypercube Combinatorial Cache Designs

Xiang Zhang, Nicholas Woolsey, Mingyue Ji

We consider a cache-aided interference network which consists of a library of files, transmitters and receivers (users), each equipped with a local cache of size $M…

cs.IT2019★ 3 cited

A New Design Framework on Device-to-Device Coded Caching with Optimal Rate and Significantly Less Subpacketizations

Xiang Zhang, Mingyue Ji

In this paper, we propose a new design framework on Device-to-Device (D2D) coded caching networks with optimal rate but significantly less file subpacketizations compared to that o…