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The combination of edge caching and coded multicasting is a promising approach to improve the efficiency of content delivery over cache-aided networks. The global caching gain resulting from content overlap distributed across the network in…

Information Theory · Computer Science 2016-11-17 Parisa Hassanzadeh , Antonia Tulino , Jaime Llorca , Elza Erkip

The correlation among the content distributed across a cache-aided broadcast network can be exploited to reduce the delivery load on the shared wireless link. This paper considers a two-user three-file network with correlated content, and…

Information Theory · Computer Science 2017-12-06 Parisa Hassanzadeh , Antonia M. Tulino , Jaime Llorca , Elza Erkip

Coded caching scheme recently has become quite popular in the wireless network due to its effectively reducing the transmission amount (denote such an amount by $R$) during peak traffic times. However to realize a coded caching scheme, each…

Information Theory · Computer Science 2018-06-26 Minquan Cheng , Jing Jiang , Qifa Yan , Xiaohu Tang

Recent work by Maddah-Ali and Niesen introduced coded caching which demonstrated the benefits of joint design of storage and transmission policies in content delivery networks. They studied a setup where a server communicates with a set of…

Information Theory · Computer Science 2017-10-12 Vaishakh Ravindrakumar , Parthasarathi Panda , Nikhil Karamchandani , Vinod Prabhakaran

Maddah-Ali and Niesen (MAN) in 2014 surprisingly showed that it is possible to serve an arbitrarily large number of cache-equipped users with a constant number of transmissions by using coded caching in shared-link broadcast networks. This…

Information Theory · Computer Science 2018-03-01 Kai Wan , Mingyue Ji , Pablo Piantanida , Daniela Tuninetti

The importance of content delivery networks (CDN) continues to rise with the exponential increase in the generation and consumption of electronic media. In order to ensure a high quality of experience, CDNs often deploy cache servers that…

Networking and Internet Architecture · Computer Science 2020-05-26 Srujan Teja Thomdapu , Palash Katiyar , Ketan Rajawat

This paper investigates a setup consisting of multiple transmitters serving multiple cache-enabled clients through a linear network, which covers both wired and wireless transmission situations. We investigate decentralized coded caching…

Information Theory · Computer Science 2021-09-15 Mohammad Mahmoudi , Mohammad Javad Sojdeh , Seyed Pooya Shariatpanahi

Coded caching was introduced as a technique of systematically exploiting locally available storage at the clients to increase the channel throughput via coded transmissions. Most known coded caching schemes in literature enable large gains…

Information Theory · Computer Science 2019-03-08 Hari Hara Suthan Chittoor , Prasad Krishnan

Coded Caching is an efficient technique to reduce peak hour network traffic. One limitation of known coded caching schemes is that the demands of all users are revealed to their peers in the delivery phase. Schemes that assure privacy for…

Information Theory · Computer Science 2021-02-04 K. K. Krishnan Namboodiri , B. Sundar Rajan

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 this work, we consider a novel distributed data storage/caching scenario in a cellular setting where multiple nodes may fail/depart at the same time. In order to maintain the target reliability, we allow cooperative regeneration of lost…

Information Theory · Computer Science 2021-05-06 Suayb S. Arslan , Massoud Pourmandi , Elif Haytaoglu

We study the problem of coded caching with nonuniform file popularity under the setting where the popularity distribution is initially unknown. By reframing the problem, we propose a method inspired by an algorithm from the…

Cryptography and Security · Computer Science 2026-03-10 Mohammadsaber Bahadori , Seyed Pooya Shariatpanahi , Behnam Bahrak

The idea of coded caching was introduced by Maddah-Ali and Niesen who demonstrated the advantages of coding in caching problems. To capture the essence of the problem, they introduced the $(N, K)$ canonical cache network in which $K$ users…

Information Theory · Computer Science 2021-02-10 Vijith Kumar K P , Brijesh Kumar Rai , Tony Jacob

Coded distributed computing (CDC), proposed by Li \emph{et al.}, offers significant potential for reducing the communication load in MapReduce computing systems. In cascaded CDC with $K$ nodes, $N$ input files, and $Q$ output functions,…

Information Theory · Computer Science 2025-01-24 Mingming Zhang , Youlong Wu , Minquan Cheng , Dianhua Wu

Coded caching has the potential to greatly reduce network traffic by leveraging the cheap and abundant storage available in end-user devices so as to create multicast opportunities in the delivery phase. In the seminal work by Maddah-Ali…

Information Theory · Computer Science 2020-01-13 Kai Wan , Hua Sun , Mingyue Ji , Daniela Tuninetti , Giuseppe Caire

We consider the standard broadcast setup with a single server broadcasting information to a number of clients, each of which contains local storage (called cache) of some size, which can store some parts of the available files at the…

Information Theory · Computer Science 2023-02-08 Shailja Agrawal , K V Sushena Sree , Prasad Krishnan , Abhinav Vaishya , Srikar Kale

In the coded caching, the server uses the cached information at the users to serve multiple users in parallel with a single coded multi-casting message or packet, that is, a merged packet, and thus mitigates the peak network congestion. In…

Information Theory · Computer Science 2026-05-26 Amirhossein Yousefiramandi

Cache-aided coded content delivery is studied for devices with diverse quality-of-service (QoS) requirements, specified by a different average distortion target. The network consists of a server holding a database of independent contents,…

Information Theory · Computer Science 2018-02-08 Qianqian Yang , Deniz Gündüz

Caching at the base stations (BSs) has been widely adopted to reduce the delivery delay and alleviate the backhaul traffic between BSs and the core network. In this paper, we consider a collaborative content caching scheme among BSs in…

Information Theory · Computer Science 2016-05-04 Yaping Sun , Zhiyong Chen , Hui Liu

Centralized coded caching of popular contents is studied for users with heterogeneous distortion requirements, corresponding to diverse processing and display capabilities of mobile devices. Users' distortion requirements are assumed to be…

Information Theory · Computer Science 2016-04-28 Qianqian Yang , Deniz Gunduz