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Related papers: Hierarchical Coded Caching

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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 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

Caching is an efficient way to reduce network traffic congestion during peak hours by storing some content at the users' local caches. For the shared-link network with end-user-caches, Maddah-Ali and Niesen proposed a two-phase coded…

Information Theory · Computer Science 2021-11-08 Kai Wan , Daniela Tuninetti , Mingyue Ji , Pablo Piantanida

Coded caching is a recently proposed technique that achieves significant performance gains for cache networks compared to uncoded caching schemes. However, this substantial coding gain is attained at the cost of large delivery delay, which…

Information Theory · Computer Science 2016-11-15 Urs Niesen , Mohammad Ali Maddah-Ali

In a content delivery network (CDN), resources are strained during peak-time and underutilised in off-peak times when supplying digital content to users. Caching can help balance this. At the off-peak time some content is delivered to…

Cryptography and Security · Computer Science 2026-03-13 S. -L. Ng , M. B. Paterson , E. A. Quaglia

Coded caching scheme provides us an effective framework to realize additional coded multicasting gain by exploiting coding into multiple transmitted signals. The goal of coded caching design is to jointly optimize the placement and delivery…

Information Theory · Computer Science 2019-06-21 Qiaoling Zhang , Lei Zheng , Minquan Cheng , Qingchun Chen

Coded caching is a recently proposed technique for dealing with large scale content distribution over the Internet. As in conventional caching, it leverages the presence of local caches at the end users. However, it considers coding in the…

Information Theory · Computer Science 2016-05-06 Li Tang , Aditya Ramamoorthy

Caching is an efficient way to reduce network traffic congestion during peak hours by storing some content at the user's local cache memory without knowledge of later demands. For the shared-link caching model, Maddah-Ali and Niesen (MAN)…

Information Theory · Computer Science 2020-06-22 Kai Wan , Giuseppe Caire

Edge-caching has received much attention as an efficient technique to reduce delivery latency and network congestion during peak-traffic times by bringing data closer to end users. Existing works usually design caching algorithms separately…

Information Theory · Computer Science 2018-02-08 Thang X. Vu , Symeon Chatzinotas , Bjorn Ottersten

Coded caching schemes are used to reduce computer network traffics in peak time. To determine the efficiency of the schemes, \cite{MN} defined the information rate of the schemes and gave a construction of optimal coded caching schemes.…

Information Theory · Computer Science 2024-03-08 Ruizhong Wei

Cache-aided coded multicast leverages side information at wireless edge caches to efficiently serve multiple unicast demands via common multicast transmissions, leading to load reductions that are proportional to the aggregate cache size.…

Information Theory · Computer Science 2018-06-14 Parisa Hassanzadeh , Antonia M. Tulino , Jaime Llorca , Elza Erkip

Coded caching has been widely used in the wireless network for shifting the some transmissions during the peak traffic times to the off-peak traffic times. Multi-server coded caching, which can share responsibility for the total amount of…

Information Theory · Computer Science 2018-06-28 Minquan Cheng , Qiaoling Zhang , Jing Jiang , Reizhong Wei

In cache-aided networks, the server populates the cache memories at the users during low-traffic periods, in order to reduce the delivery load during peak-traffic hours. In turn, there exists a fundamental trade-off between the delivery…

Information Theory · Computer Science 2019-03-15 Abdelrahman M. Ibrahim , Ahmed A. Zewail , Aylin Yener

Content delivery networks often employ caching to reduce transmission rates from the central server to the end users. Recently, the technique of coded caching was introduced whereby coding in the caches and coded transmission signals from…

Information Theory · Computer Science 2016-02-16 Hooshang Ghasemi , Aditya Ramamoorthy

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

For a network with one sender, $n$ receivers (users) and $m$ possible messages (files), caching side information at the users allows to satisfy arbitrary simultaneous demands by sending a common (multicast) coded message. In the worst-case…

Information Theory · Computer Science 2014-07-04 Mingyue Ji , Antonia M. Tulino , Jaime Llorca , Giuseppe Caire

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

Information Theory · Computer Science 2024-01-17 Yinbin Ma , Daniela Tuninetti

Decentralized proactive caching and coded delivery is studied in a content delivery network, where each user is equipped with a cache memory, not necessarily of equal capacity. Cache memories are filled in advance during the off-peak…

Information Theory · Computer Science 2017-08-01 Mohammad Mohammadi Amiri , Qianqian Yang , Deniz Gunduz

Motivated by applications to delivery of dynamically updated, but correlated data in settings such as content distribution networks, and distributed file sharing systems, we study a single source multiple destination network coded multicast…

Information Theory · Computer Science 2018-05-02 Milad Mahdian , N. Prakash , Muriel Médard , Edmund Yeh

In this paper, we consider the coded-caching broadcast network with user cooperation, where a server connects with multiple users and the users can cooperate with each other through a cooperation network. We propose a centralized coded…

Information Theory · Computer Science 2019-04-12 Jiahui Chen , Haoyu Yin , Xiaowen You , Yanlin Geng , Youlong Wu