English
Related papers

Related papers: Edge Caching in Delay-Constrained Virtualized Cell…

200 papers

In order to reduce the latency of data delivery, one of techniques is to cache the popular contents at the base stations (BSs) i.e. edge caching. However, the technique of caching at edge can only reduce the backhaul delay, other techniques…

Information Theory · Computer Science 2018-08-30 Tachporn Sanguanpuak , Sudarshan Guruacharya , Nandana Rajatheva , Matti Latva-aho

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

Caching the content closer to the user equipments (UEs) in heterogenous cellular networks (HetNets) improves user-perceived Quality-of-Service (QoS) while lowering the operators backhaul usage/costs. Nevertheless, under the current…

Information Theory · Computer Science 2019-02-01 M. G. Khoshkholgh , Keivan Navaie , Kang G. Shin , V. C. M. Leung , Halim Yanikomeroglu

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

Caching popular contents at the edge of cellular networks has been proposed to reduce the load, and hence the cost of backhaul links. It is significant to decide which files should be cached and where to cache them. In this paper, we…

Networking and Internet Architecture · Computer Science 2017-04-03 Shuo Wang , Xing Zhang , Kun Yang , Lin Wang , Wenbo Wang

Caching popular contents at base stations (BSs) is a promising way to unleash the potential of cellular heterogeneous networks (HetNets), where backhaul has become a bottleneck. In this paper, we compare a cache-enabled HetNet where a tier…

Information Theory · Computer Science 2016-03-01 Dong Liu , Chenyang Yang

As the capacity demand of mobile applications keeps increasing, the backhaul network is becoming a bottleneck to support high quality of experience (QoE) in next-generation wireless networks. Content caching at base stations (BSs) is a…

Information Theory · Computer Science 2015-09-03 Xi Peng , Juei-Chin Shen , Jun Zhang , Khaled B. Letaief

Caching contents at the network edge is an efficient mean for offloading traffic, reducing latency and improving users' quality-of-experience. In this letter, we focus on aspects of storage-bandwidth tradeoffs in which small cell base…

Information Theory · Computer Science 2016-11-18 Syed Tamoor-ul-Hassan , Mehdi Bennis , Pedro H. J. Nardelli , Matti Latva-Aho

With the rapid explosion of data volume from mobile networks, edge caching has received significant attentions as an efficient approach to boost content delivery efficiency by bringing contents near users. In this article, cache-enabled…

Information Theory · Computer Science 2020-08-13 Congshan Fan , Tiankui Zhang , Yuanwei Liu , Zhiming Zeng

Cache-enabled coordinated mobile edge network is an emerging network architecture, wherein serving nodes located at the network edge have the capabilities of baseband signal processing and caching files at their local cache. The main goals…

Signal Processing · Electrical Eng. & Systems 2019-12-30 Shiwen He , Wei Huang , Jiaheng Wang , Ju Ren , Yongming Huang , Yaoxue Zhang

With files proactively stored at base stations (BSs), mobile edge caching enables direct content delivery without remote file fetching, which can reduce the end-to-end delay while relieving backhaul pressure. To effectively utilize the…

Networking and Internet Architecture · Computer Science 2017-10-25 Shan Zhang , Peter He , Katsuya Suto , Peng Yang , Lian Zhao , Xuemin , Shen

Caching at the edge is a promising technique to cope with the increasing data demand in wireless networks. This paper analyzes the performance of cellular networks consisting of a tier macro-cell wireless backhaul nodes overlaid with a tier…

Information Theory · Computer Science 2017-05-25 Italo Atzeni , Marco Maso , Imène Ghamnia , Ejder Baştuğ , Mérouane Debbah

Mobile Edge Caching is a promising technique to enhance the content delivery quality and reduce the backhaul link congestion, by storing popular content at the network edge or mobile devices (e.g. base stations and smartphones) that are…

Computer Science and Game Theory · Computer Science 2021-09-15 Mingyu Li , Changkun Jiang , Lin Gao , Tong Wang , Yufei Jiang

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

The rapid increase in data traffic demand has overloaded existing cellular networks. Planned upgrades in the communication architecture (e.g. LTE), while helpful, are not expected to suffice to keep up with demand. As a result, extensive…

Networking and Internet Architecture · Computer Science 2015-03-03 Pavlos Sermpezis , Luigi Vigneri , Thrasyvoulos Spyropoulos

Network densification with small cell base stations is a promising solution to satisfy future data traffic demands. However, increasing small cell base station density alone does not ensure better users quality-of-experience and incurs high…

Information Theory · Computer Science 2015-07-02 Syed Tamoor-ul-Hassan , Mehdi Bennis , Pedro H. J. Nardelli , Matti Latva-Aho

This paper investigates a cellular edge caching problem under a very large number of small base stations (SBSs) and users. In this ultra-dense edge caching network (UDCN), conventional caching algorithms are inapplicable as their complexity…

Networking and Internet Architecture · Computer Science 2018-03-30 Hyesung Kim , Jihong Park , Mehdi Bennis , Seong-Lyun Kim , Mérouane Debbah

Edge service caching can effectively reduce the delay or bandwidth overhead for acquiring and initializing applications. To address single-base station (BS) transmission limitation and serious edge effect in traditional cellular-based edge…

Signal Processing · Electrical Eng. & Systems 2023-02-22 Langtian Qin , Hancheng Lu , Yao Lu , Chenwu Zhang , Feng Wu

This paper investigates a cellular edge caching design under an extremely large number of small base stations (SBSs) and users. In this ultra-dense edge caching network (UDCN), SBS-user distances shrink, and each user can request a cached…

Networking and Internet Architecture · Computer Science 2017-03-07 Hyesung Kim , Jihong Park , Mehdi Bennis , Seong-Lyun Kim , Mérouane Debbah

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
‹ Prev 1 2 3 10 Next ›