English
Related papers

Related papers: On the Gap Between Decentralized and Centralized C…

200 papers

Network based on distributed caching of content is a new architecture to alleviate the ongoing explosive demands for rate of multi-media traffic. In caching networks, coded caching is a recently proposed technique that achieves significant…

Information Theory · Computer Science 2017-10-16 Qifa Yan , Xiaohu Tang , Qingchun Chen

Caching is popular technique in content delivery networks that allows for reductions in transmission rates from the content-hosting server to the end users. Coded caching is a generalization of conventional caching that considers the…

Information Theory · Computer Science 2016-07-28 Li Tang , Aditya Ramamoorthy

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 combinatorial topology. This topology stands out as it allows for…

Information Theory · Computer Science 2021-10-15 Federico Brunero , Petros Elia

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

Coded caching scheme is a promising technique to migrate the network burden in peak hours, which attains more prominent gains than the uncoded caching. The coded caching scheme can be classified into two types, namely, the centralized and…

Information Theory · Computer Science 2016-11-16 Lei Zheng , Qifa Yan , Qingchun Chen , Xiaohu Tang

To address the exponentially rising demand for wireless content, use of caching is emerging as a potential solution. It has been recently established that joint design of content delivery and storage (coded caching) can significantly…

Information Theory · Computer Science 2016-01-01 Jad Hachem , Nikhil Karamchandani , Suhas Diggavi

This work studies the coded caching problem in a setting where the users are simultaneously endowed with a private cache and a shared cache. The setting consists of a server connected to a set of users, assisted by a smaller number of…

Information Theory · Computer Science 2024-03-26 Elizabath Peter , K. K. Krishnan Namboodiri , B. Sundar Rajan

In this paper, we consider a multi-access coded caching system with decentralized prefetching, where a server hosts $N$ files, each of size $F$ bits, and is connected to $K$ users through a shared link. There are $c$ caches distributed…

Information Theory · Computer Science 2024-06-25 Monolina Dutta , Anoop Thomas , B. Sundar Rajan

A centralized coded caching scheme has been proposed by Maddah-Ali and Niesen to reduce the worst-case load of a network consisting of a server with access to N files and connected through a shared link to K users, each equipped with a…

Information Theory · Computer Science 2017-07-25 Sian Jin , Ying Cui , Hui Liu , Giuseppe Caire

Coded caching technique is an efficient approach to reduce the transmission load in networks and has been studied in heterogeneous network settings in recent years. In this paper, we consider a new widespread caching system called…

Information Theory · Computer Science 2022-12-29 Minquan Cheng , Jinwei Xu , Mingming Zhang , Youlong Wu

In this work, we study coded placement in caching systems where the users have unequal cache sizes and demonstrate its performance advantage. In particular, we propose a caching scheme with coded placement for three-user systems that…

Information Theory · Computer Science 2018-11-12 Abdelrahman M. Ibrahim , Ahmed A. Zewail , Aylin Yener

The idea of coded caching for content distribution networks was introduced by Maddah-Ali and Niesen, who considered the canonical $(N, K)$ cache network in which a server with $N$ files satisfy the demands of $K$ users (equipped with…

Information Theory · Computer Science 2021-01-26 Vijith Kumar K P , Brijesh Kumar Rai , Tony Jacob

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

Caching is a commonly used technique in content-delivery networks which aims to deliver information from hosting servers to users in the most efficient way. In 2014, Maddah-Ali and Niessen formulated caching into a formal information…

Information Theory · Computer Science 2020-02-27 Tai Do Duc , Shuo Shao , Chaoping Xing

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

We investigate the problem of coded caching for nonuniform demands when the structured clique cover algorithm proposed by Maddah-Ali and Niesen for decentralized caching is used for delivery. We apply this algorithm to all user demands…

Information Theory · Computer Science 2018-04-04 Seyed Ali Saberali , Lutz Lampe , Ian Blake

The work by Maddah-Ali and Niesen demonstrated the benefits in reducing the transmission rate in a noiseless broadcast network by joint design of caching and delivery schemes. In their setup, each user learns the demands of all other users…

Information Theory · Computer Science 2019-09-10 Sneha Kamath

Replicating or caching popular content in memories distributed across the network is a technique to reduce peak network loads. Conventionally, the performance gain of caching was thought to result from making part of the requested data…

Information Theory · Computer Science 2015-01-13 Ajaykrishnan N. , Navya S. Prem , Vinod M. Prabhakaran , Rahul Vaze

Coded caching systems have been widely studied to reduce the data transmission during the peak traffic time. In practice, two important parameters of a coded caching system should be considered, i.e., the rate which is the maximum amount of…

Information Theory · Computer Science 2018-10-18 Minquan Cheng , Jie Li , Xiaohu Tang , Ruizhong Wei

Decentralized coded content caching for next generation cellular networks is studied. The contents are linearly combined and cached in under-utilized caches of User Terminals (UTs) and its throughput capacity is compared with decentralized…

Information Theory · Computer Science 2016-11-10 Mohsen Karimzadeh Kiskani , Hamid R. Sadjadpour