Fundamental limits of combinatorial multi-access caching

F Brunero, P Elia - IEEE Transactions on Information Theory, 2022 - ieeexplore.ieee.org
This work identifies the fundamental limits of multi-access coded caching (MACC) where
each user is connected to multiple caches in a manner that follows a generalized …

Structured index coding problem and multi-access coded caching

KS Reddy, N Karamchandani - IEEE Journal on Selected Areas …, 2021 - ieeexplore.ieee.org
Index coding and coded caching are two active research topics in information theory with
strong ties to each other. Motivated by the multi-access coded caching problem, we study a …

Multi-antenna coded caching from a placement delivery array for shared caches

E Peter, BS Rajan - IEEE Transactions on Communications, 2022 - ieeexplore.ieee.org
The coded caching problem with shared caches where the server is equipped with multiple
transmit antennas is considered. In a shared cache network, several users share a cache …

Coded caching for two-dimensional multi-access networks

M Zhang, K Wan, M Cheng… - 2022 IEEE International …, 2022 - ieeexplore.ieee.org
This paper formulates the multi-access coded caching (MACC) problem under the two-
dimensional (2D) topology, which is a generalization of the one-dimensional (1D) MACC …

Coded Caching Schemes for Multiaccess Topologies via Combinatorial Design

M Cheng, K Wan, P Elia, G Caire - arxiv preprint arxiv:2310.20239, 2023 - arxiv.org
This paper studies a multiaccess coded caching (MACC) where the connectivity topology
between the users and the caches can be described by a class of combinatorial designs …

Improved lower bounds for multi-access coded caching

KKK Namboodiri, BS Rajan - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
The multi-access variant of the coded caching problem with files, users and caches, where
each user has access to neighbouring caches in a cyclic wrap-around manner, is …

Centralized hierarchical coded caching scheme over two-layer networks

Y Kong, Y Wu, M Cheng - arxiv preprint arxiv:2205.00233, 2022 - arxiv.org
This paper considers a hierarchical caching system where a server connects with multiple
mirror sites, each connecting with a distinct set of users, and both the mirror sites and users …

Multi-access coded caching with demand privacy

KKK Namboodiri, BS Rajan - 2022 IEEE Wireless …, 2022 - ieeexplore.ieee.org
The demand private coded caching problem in a multi-access network with K users and K
caches, where each user has access to L neighbouring caches in a cyclic wraparound …

Multi-access coded caching with secure delivery

KKK Namboodiri, BS Rajan - 2021 IEEE Information Theory …, 2021 - ieeexplore.ieee.org
The multi-access variant of the coded caching problem in the presence of external
wiretappers is investigated. A multiaccess coded caching scheme with K users, K caches …

Multi-access coded caching with optimal rate and linear subpacketization under pda and consecutive cyclic placement

J Wang, M Cheng, Y Wu, X Li - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
This work considers the multi-access caching system proposed by Hachem et al., where
each user has access to neighboring caches in a cyclic wrap-around fashion. We first …