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Content-oriented operation with D2D communications and spectrum sharing in the form of cognitive communications are expected to be enablers for cost-efficient nextgeneration wireless systems with bandwidth-hungry services. To this end,…

Networking and Internet Architecture · Computer Science 2018-08-06 S. Sinem Kafıloğlu , Gürkan Gür , Fatih Alagöz

In-network caching is one of the fundamental operations of Information-centric networks (ICN). The default caching strategy taken by most of the current ICN proposals is caching along--default--path, which makes popular objects to be cached…

Networking and Internet Architecture · Computer Science 2015-02-10 Sumanta Saha , Andrey Lukyanenko , Antti Ylä-Jääski

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

In most Internet of Things (IoT) networks, edge nodes are commonly used as to relays to cache sensing data generated by IoT sensors as well as provide communication services for data consumers. However, a critical issue of IoT sensing is…

Information Theory · Computer Science 2020-10-26 Xiongwei Wu , Xiuhua Li , Jun Li , P. C. Ching , H. Vincent Poor

Cell-free massive multiple-input-multiple-output is promising to meet the stringent quality-of-experience (QoE) requirements of railway wireless communications by coordinating many successional access points (APs) to serve the onboard users…

Information Theory · Computer Science 2024-09-12 Yu Zhang , Shuaifei Chen , Jiayi Zhang

Caching has been successfully applied in wired networks, in the context of Content Distribution Networks (CDNs), and is quickly gaining ground for wireless systems. Storing popular content at the edge of the network (e.g. at small cells) is…

Networking and Internet Architecture · Computer Science 2018-05-18 Theodoros Giannakas , Pavlos Sermpezis , Thrasyvoulos Spyropoulos

In cloud radio access networks (C-RANs), a substantial amount of data must be exchanged in both backhaul and fronthaul links, which causes high power consumption and poor quality of service (QoS) experience for real-time services. To solve…

Information Theory · Computer Science 2016-11-18 Zhongyuan Zhao , Mugen Peng , Zhiguo Ding , Wenbo Wang , H. Vincent Poor

This paper focuses on edge caching in dense heterogeneous cellular networks (HetNets), in which small base stations (SBSs) with limited cache size store the popular contents, and massive multiple-input multiple-output (MIMO) aided macro…

Networking and Internet Architecture · Computer Science 2018-07-11 Lifeng Wang , Kai-Kit Wong , Sangarapillai Lambotharan , Arumugam Nallanathan , Maged Elkashlan

This article explores one of the key enablers of beyond $4$G wireless networks leveraging small cell network deployments, namely proactive caching. Endowed with predictive capabilities and harnessing recent developments in storage,…

Networking and Internet Architecture · Computer Science 2014-05-26 Ejder Baştuğ , Mehdi Bennis , Mérouane Debbah

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

Design of distributed caching mechanisms is considered as an active area of research due to its promising solution in reducing data load in the backhaul link of a cellular network. In this paper, the problem of distributed content caching…

Information Theory · Computer Science 2020-10-14 S. Krishnendu , B. N. Bharath , Navneet Garg , Vimal Bhatia , Tharmalingam Ratnarajah

We study the problem of optimizing the cost of content delivery in a cooperative network of caches at end-nodes. The caches could be, for example, within the computers of users downloading videos from websites (such as Netflix, Blockbuster…

Networking and Internet Architecture · Computer Science 2012-09-11 A. Majumder , Sharad Jaiswal , K. V. M. Naidu , Nisheeth Shrivastava

Today's mobile data traffic is dominated by content-oriented traffic. Caching popular contents at the network edge can alleviate network congestion and reduce content delivery latency. This paper provides a comprehensive and unified study…

Information Theory · Computer Science 2019-04-17 Meixia Tao , Deniz Gündüz , Fan Xu , Joan S. Pujol Roig

Wireless information-centric networks consider storage as one of the network primitives, and propose to cache data within the network in order to improve latency and reduce bandwidth consumption. We study the throughput capacity and latency…

Networking and Internet Architecture · Computer Science 2016-11-17 Bita Azimdoost , Cedric Westphal , Hamid R. Sadjadpour

In this paper we investigate the problem of optimal MDS-encoded cache placement at the wireless edge to minimize the backhaul rate in heterogeneous networks. We derive the backhaul rate performance of any caching scheme based on file…

Information Theory · Computer Science 2015-09-21 Valerio Bioglio , Frederic Gabry , Ingmar Land

We introduce SwiftCache, a "fresh" learning-based caching framework designed for content distribution networks (CDNs) featuring distributed front-end local caches and a dynamic back-end database. Users prefer the most recent version of the…

Optimization and Control · Mathematics 2024-02-28 Bahman Abolhassani , Atilla Eryilmaz , Tom Hou

In this article we explore one of the most promising technologies for 5G wireless networks using an underlay small cell network, namely proactive caching. Using the increase in storage technologies and through studying the users behavior,…

Networking and Internet Architecture · Computer Science 2016-06-01 Salah Eddine Hajri , Mohamad Assaad

With the development of Internet of Things (IoT) and communication technology, the number of next-generation IoT devices has increased explosively, and the delay requirement for content requests is becoming progressively higher.…

Networking and Internet Architecture · Computer Science 2019-10-31 Yixue Hao , Miao Li , Di Wu , Min Chen , Mohammad Mehedi Hassan , Giancarlo Fortino

Storage resources and caching techniques permeate almost every area of communication networks today. In the near future, caching is set to play an important role in storage-assisted Internet architectures, information-centric networks, and…

Networking and Internet Architecture · Computer Science 2020-01-01 Georgios Paschos , George Iosifidis , Giuseppe Caire

Caching at the edge of wireless networks is a keytechnology to reduce traffic in the backhaul link. However, aconcentrated amount of requests during peak-periods may causethe outage of the system, meaning that the network is not ableto…

Networking and Internet Architecture · Computer Science 2021-01-05 Estefanía Recayte , Andrea Munari