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Content-Centric Networking (CCN) offers a novel architectural paradigm that seeks to address the inherent limitations of the prevailing Internet Protocol (IP)-based networking model. In contrast to the host-centric communication approach of…

Networking and Internet Architecture · Computer Science 2025-08-05 Azadeh Sadat Miraftab , Ahmadreza Montazerolghaem , Behrad Mahboobi

Caching is a technique to reduce the communication load in peak hours by prefetching contents during off-peak hours. An information-theoretic framework for coded caching was introduced by Maddah-Ali and Niesen in a recent work, where it was…

Information Theory · Computer Science 2021-09-07 Shuo Shao , Jesús Gómez-Vilardebó , Kai Zhang , Chao Tian

This work considers the combinatorial multi-access coded caching problem introduced in the recent work by Muralidhar \textit{et al.} [P. N. Muralidhar, D. Katyal, and B. S. Rajan, ``Maddah-Ali-Niesen scheme for multi-access coded caching,''…

Information Theory · Computer Science 2024-01-18 K. K. Krishnan Namboodiri , B. Sundar Rajan

The coded caching scheme proposed by Maddah-Ali and Niesen considers the delivery of files in a given content library to users through a deterministic error-free network where a common multicast message is sent to all users at a fixed rate,…

Information Theory · Computer Science 2020-05-29 Mozhgan Bayat , Ratheesh K. Mungara , Giuseppe Caire

To address the massive growth of data traffic over cellular networks, increasing spatial reuse of the frequency spectrum by the deployment of small base stations (SBSs) has been considered. For rapid deployment of SBSs in the networks,…

A multi-access network consisting of $N$ files, $C$ caches, $K$ users with each user having access to a unique set of $r$ caches has been introduced recently by Muralidhar et al. ("Maddah-Ali-Niesen Scheme for Multi-access Coded Caching,"…

Information Theory · Computer Science 2023-01-19 Mallikharjuna Chinnapadamala , B. Sundar Rajan

Recently multi-access coded caching schemes with number of users different from the number of caches obtained from a special case of resolvable designs called Cross Resolvable Designs (CRDs) have been reported and a new performance metric…

Information Theory · Computer Science 2021-05-18 Pooja Nayak Muralidhar , Digvijay Katyal , B. Sundar Rajan

We consider a cache-aided interference network which consists of a library of $N$ files, $K_T$ transmitters and $K_R$ receivers (users), each equipped with a local cache of size $M_T$ and $M_R$ files respectively, and connected via a…

Information Theory · Computer Science 2020-08-18 Xiang Zhang , Nicholas Woolsey , Mingyue Ji

We consider content delivery over fading broadcast channels. A server wants to transmit K files to K users, each equipped with a cache of finite size. Using the coded caching scheme of Maddah-Ali and Niesen, we design an opportunistic…

Information Theory · Computer Science 2017-02-09 Asma Ghorbel , Khac-Hoang Ngo , Richard Combes , Mari Kobayashi , Sheng Yang

This paper presents a new achievable scheme for the K-user Linear Computation Broadcast Channel (K-LCBC). A K-LCBC comprises data stored on a server and K users, each aiming to retrieve a desired linear function of the data by leveraging…

Information Theory · Computer Science 2025-04-30 Yinbin Ma , Daniela Tuninetti

Coded caching (CC) can substantially enhance network performance by leveraging memory as an additional communication resource. However, the use of CC is challenging in various practical applications due to dynamic user behavior. The…

Information Theory · Computer Science 2024-05-07 Milad Abolpour , MohammadJavad Salehi , Antti Tölli

In order to characterize the fundamental limit of the tradeoff between the amount of cache memory and the delivery transmission rate of multiuser caching systems, various coding schemes have been proposed in the literature. These schemes…

Information Theory · Computer Science 2017-12-25 Kai Zhang , Chao Tian

The coded caching scheme originally proposed by Maddah-Ali and Niesen (MAN) transmits coded multicast messages from a server to users equipped with caches via a capacitated shared-link and was shown to be information theoretically optimal…

Information Theory · Computer Science 2020-08-21 Mozhgan Bayat , Kai Wan , Giuseppe Caire

Coded caching is a technique that leverages locally cached contents at the users to reduce the network's peak-time communication load. Coded caching achieves significant performance gains compared to uncoded caching schemes and is thus a…

Information Theory · Computer Science 2022-02-04 Yinbin Ma , Daniela Tuninetti

This paper aims to characterize the memory-rate tradeoff for decentralized caching under nonuniform file popularity and size. We consider a recently proposed decentralized modified coded caching scheme (D-MCCS) and formulate the cache…

Information Theory · Computer Science 2023-06-27 Yong Deng , Min Dong

It has been recently established that joint design of content delivery and storage (coded caching) can significantly improve performance over conventional caching. This has also been extended to the case when content has non-uniform…

Information Theory · Computer Science 2016-11-17 Jad Hachem , Nikhil Karamchandani , Suhas Diggavi

Coded caching is able to exploit accumulated cache size and hence superior to uncoded caching by distributing different fractions of a file in different nodes. This work investigates coded caching in a large-scale small-cell network (SCN)…

Information Theory · Computer Science 2017-03-31 Xuejian Xu , Meixia Tao

This work introduces a multi-antenna coded caching problem in a two-dimensional multi-access network, where a server with $L$ transmit antennas and $N$ files communicates to $K_1K_2$ users, each with a single receive antenna, through a…

Information Theory · Computer Science 2024-05-07 K. K. Krishnan Namboodiri , Elizabath Peter , B. Sundar Rajan

This work considers the coded caching problem with shared caches, where users share the caches, and each user gets access only to one cache. The user-to-cache association is assumed to be known at the server during the placement phase. We…

Information Theory · Computer Science 2022-01-28 Elizabath Peter , K. K. Krishnan Namboodiri , B. Sundar Rajan

Consider a centralized caching network with a single server and $K$ users. The server has a database of $N$ files with each file being divided into $F$ packets ($F$ is known as subpacketization), and each user owns a local cache that can…

Information Theory · Computer Science 2020-01-22 Wentu Song , Kui Cai , Long Shi