Search Results for author: Hua Sun

Found 6 papers, 0 papers with code

Multilevel Topological Interference Management: A TIM-TIN Perspective

no code implementations8 Feb 2021 Chunhua Geng, Hua Sun, Syed A. Jafar

The robust principles of treating interference as noise (TIN) when it is sufficiently weak, and avoiding it when it is not, form the background of this work.

Information Theory Information Theory

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

no code implementations2 Feb 2021 Xiang Zhang, Kai Wan, Hua Sun, Mingyue Ji, Giuseppe Caire

This paper considers the MuPIR problem with two messages, arbitrary number of users and databases where uncoded prefetching is assumed, i. e., the users directly copy some bits from the library as their cached contents.

Information Retrieval Retrieval

On Secure Distributed Linearly Separable Computation

no code implementations1 Feb 2021 Kai Wan, Hua Sun, Mingyue Ji, Giuseppe Caire

Then we focus on the case where the computation cost of each server is minimum and aim to minimize the size of the randomness variable introduced in the system while achieving the optimal communication cost.

Information Theory Information Theory

Information Theoretic Secure Aggregation with User Dropouts

no code implementations19 Jan 2021 Yizhou Zhao, Hua Sun

The identity of the dropped users is not known a priori and the server needs to securely recover the sum of the remaining surviving users.

Cache-aided General Linear Function Retrieval

no code implementations28 Dec 2020 Kai Wan, Hua Sun, Mingyue Ji, Daniela Tuninetti, Giuseppe Caire

Coded Caching, proposed by Maddah-Ali and Niesen (MAN), has the potential to reduce network traffic by pre-storing content in the users' local memories when the network is underutilized and transmitting coded multicast messages that simultaneously benefit many users at once during peak-hour times.

Information Theory Information Theory

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

no code implementations13 Oct 2020 Xiang Zhang, Kai Wan, Hua Sun, Mingyue Ji, Giuseppe Caire

Based on the proposed novel approach of \emph{cache-aided interference alignment (CIA)}, first, for the MuPIR problem with $K=2$ messages, $K_{\rm u}=2$ users and $N\ge 2$ databases, we propose achievable retrieval schemes for both uncoded and general cache placement.

Information Retrieval Retrieval

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