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Coded caching is effective in leveraging the accumulated storage size in wireless networks by distributing different coded segments of each file in multiple cache nodes. This paper aims to find a wireless coded caching policy to minimize…

Signal Processing · Electrical Eng. & Systems 2020-10-20 Zhe Zhang , Meixia Tao

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

Coded caching (CC) schemes exploit the cumulative cache memory of network users, outperforming traditional uncoded schemes where cache contents are only used locally. Interestingly, this CC gain can also be combined with the spatial…

Information Theory · Computer Science 2023-12-08 Kagan Akcay , MohammadJavad Salehi , Antti Tölli , Giuseppe Caire

In this paper we study how coding in distributed storage reduces expected download time, in addition to providing reliability against disk failures. The expected download time is reduced because when a content file is encoded to add…

Distributed, Parallel, and Cluster Computing · Computer Science 2016-03-07 Gauri Joshi , Yanpei Liu , Emina Soljanin

Content caching at small-cell base stations (SBSs) is a promising method to mitigate the excessive backhaul load and delay, particularly for on-demand video streaming applications. A cache-enabled heterogeneous cellular network architecture…

Information Theory · Computer Science 2019-07-10 Emre Ozfatura , Deniz Gunduz

Caching and multicasting at base stations are two promising approaches to support massive content delivery over wireless networks. However, existing analysis and designs do not fully explore and exploit the potential advantages of the two…

Information Theory · Computer Science 2016-02-19 Ying Cui , Dongdong Jiang , Yueping Wu

Modern content delivery networks consist of one or more back-end servers which store the entire content catalog, assisted by multiple front-end servers with limited storage and service capacities located near the end-users. Appropriate…

Data Structures and Algorithms · Computer Science 2016-02-24 Rahul Vaze , Sharayu Moharir

In this paper, we investigate the problem of asynchronous coded caching in fog radio access networks (F-RANs). To minimize the fronthaul load, the encoding set collapsing rule and encoding set partition method are proposed to establish the…

Information Theory · Computer Science 2019-01-16 Yanxiang Jiang , Wenlong Huang , Mehdi Bennis , Fu-Chun Zheng

Coded 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. The goal of coded caching design is to minimize the…

Information Theory · Computer Science 2020-05-05 Minquan Cheng , Dequan Liang , Ruizhong Wei

Edge caching and computing have been regarded as an efficient approach to tackle the wireless spectrum crunch problem. In this paper, we design a general coded caching with device computing strategy for content computation, e.g., virtual…

Information Theory · Computer Science 2020-02-17 Yingjiao Li , Zhiyong Chen , Meixia Tao

Caching popular contents at the edge of the network can positively impact the performance and future sustainability of wireless networks in several ways, e.g., end-to-end access delay reduction and peak rate increase. In this paper, we aim…

Information Theory · Computer Science 2017-03-21 Marco Maso , Italo Atzeni , Imène Ghamnia , Ejder Baştuğ , Mérouane Debbah

As wireless video transmission is the fastest-growing form of data traffic, methods for spectrally efficient video on-demand wireless streaming are essential to service providers and users alike. A key property of video on-demand is the…

Information Theory · Computer Science 2016-11-17 Mingyue Ji , Giuseppe Caire , Andreas F. Molisch

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

Caching of popular content on wireless nodes is recently proposed as a means to reduce congestion in the backbone of cellular networks and to improve Quality of Service. From a network point of view, the goal is to offload as many users as…

Networking and Internet Architecture · Computer Science 2017-07-11 Jonatan Krolikowski , Anastasios Giovanidis , Marco Di Renzo

We study downlink beamforming in a single-cell network with a multi-antenna base station serving cache-enabled users. Assuming a library of files with a common rate, we formulate the minimum transmit power with proactive caching and coded…

Information Theory · Computer Science 2020-07-24 Junlin Zhao , Mohammad Mohammadi Amiri , Deniz Gündüz

Caching is emerging as a vital tool for alleviating the severe capacity crunch in modern content-centric wireless networks. The main idea behind caching is to store parts of popular content in end-users' memory and leverage the locally…

Information Theory · Computer Science 2014-12-12 Avik Sengupta , Ravi Tandon , T. Charles Clancy

Consider a multi-cell mobile edge computing network, in which each user wishes to compute the product of a user-generated data matrix with a network-stored matrix. This is done through task offloading by means of input uploading,…

Information Theory · Computer Science 2021-01-19 Kuikui Li , Meixia Tao , Jingjing Zhang , Osvaldo Simeone

Mobile networks are experiencing tremendous increase in data volume and user density. An efficient technique to alleviate this issue is to bring the data closer to the users by exploiting the caches of edge network nodes, such as fixed or…

Networking and Internet Architecture · Computer Science 2021-05-18 Nikolaos Nomikos , Spyros Zoupanos , Themistoklis Charalambous , Ioannis Krikidis , Athina Petropulu

This paper considers a framework where data from correlated sources are transmitted with help of network coding in ad-hoc network topologies. The correlated data are encoded independently at sensors and network coding is employed in the…

Networking and Internet Architecture · Computer Science 2015-03-19 Hyunggon Park , Nikolaos Thomos , Pascal Frossard

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