中文
相关论文

相关论文: Spatial Concentration of Caching in Wireless Heter…

200 篇论文

We consider the problem of delivering content cached in a wireless network of n nodes randomly located on a square of area n. The network performance is described by the n2^n-dimensional caching capacity region of the wireless network. We…

信息论 · 计算机科学 2012-09-28 Urs Niesen , Devavrat Shah , Gregory Wornell

Coded caching is an information theoretic scheme to reduce high peak hours traffic by partially prefetching files in the users local storage during low peak hours. This paper considers heterogeneous decentralized caching systems where cache…

信息论 · 计算机科学 2020-01-17 Mozhgan Bayat , Kai Wan , Mingyue Ji , Giuseppe Caire

Driven by great demands on low-latency services of the edge devices (EDs), mobile edge computing (MEC) has been proposed to enable the computing capacities at the edge of the radio access network. However, conventional MEC servers suffer…

信号处理 · 电气工程与系统科学 2019-01-29 Pengfei Wang , Zijie Zheng , Boya Di , Lingyang Song

This paper develops a stochastic geometry-based approach for the modeling, analysis, and optimization of wireless cloud caching networks comprised of multiple-antenna radio units (RUs) inside clouds. We consider the Matern cluster process…

信息论 · 计算机科学 2019-05-07 Seyed Mohammad Azimi-Abarghouyi , Masoumeh Nasiri-Kenari , Merouane Debbah

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…

网络与互联网体系结构 · 计算机科学 2015-02-10 Sumanta Saha , Andrey Lukyanenko , Antti Ylä-Jääski

We consider cache-aided wireless communication scenarios where each user requests both a file from an a-priori generated cacheable library (referred to as 'content'), and an uncacheable 'non-content' message generated at the start of the…

信息论 · 计算机科学 2021-04-06 Hamdi Joudeh , Eleftherios Lampiris , Petros Elia , Giuseppe Caire

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…

信息论 · 计算机科学 2015-07-02 Syed Tamoor-ul-Hassan , Mehdi Bennis , Pedro H. J. Nardelli , Matti Latva-Aho

Mobile Edge Computing (MEC) pushes computing functionalities away from the centralized cloud to the proximity of data sources, thereby reducing service provision latency and saving backhaul network bandwidth. Although computation offloading…

计算机科学与博弈论 · 计算机科学 2017-09-27 Lixing Chen , Jie Xu

In this paper, we investigate the optimal caching policy respectively maximizing the success probability and area spectral efficiency (ASE) in a cache-enabled heterogeneous network (HetNet) where a tier of multi-antenna macro base stations…

信息论 · 计算机科学 2017-05-01 Dong Liu , Chenyang Yang

Locally caching contents at the network edge constitutes one of the most disruptive approaches in $5$G wireless networks. Reaping the benefits of edge caching hinges on solving a myriad of challenges such as how, what and when to…

信息论 · 计算机科学 2015-09-30 Ejder Baştuğ , Mehdi Bennis , Mérouane Debbah

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…

信息论 · 计算机科学 2016-11-18 Syed Tamoor-ul-Hassan , Mehdi Bennis , Pedro H. J. Nardelli , Matti Latva-Aho

In this work we consider the problem of an optimal geographic placement of content in wireless cellular networks modelled by Poisson point processes. Specifically, for the typical user requesting some particular content and whose popularity…

网络与互联网体系结构 · 计算机科学 2016-01-29 Bartlomiej Blaszczyszyn , Anastasios Giovanidis

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…

网络与互联网体系结构 · 计算机科学 2017-10-25 Shan Zhang , Peter He , Katsuya Suto , Peng Yang , Lian Zhao , Xuemin , Shen

Caching high-frequency reuse contents at the edge servers in the mobile edge computing (MEC) network omits the part of backhaul transmission and further releases the pressure of data traffic. However, how to efficiently decide the caching…

网络与互联网体系结构 · 计算机科学 2021-03-02 Yuqi Han , Rui Wang , Jun Wu , Dian Liu , Haoqi Ren

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…

信息论 · 计算机科学 2016-03-01 Dong Liu , Chenyang Yang

This letter investigates a cache-enabled multiuser mobile edge computing (MEC) system with dynamic task arrivals, taking into account the impact of proactive cache placement on the system's overall energy consumption. We consider that an…

信息论 · 计算机科学 2023-02-01 Jingxuan Liang , Hong Xing , Feng Wang , Vincent K. N. Lau

This paper studies content caching in cloud-aided wireless networks where small cell base stations with limited storage are connected to the cloud via limited capacity fronthaul links. By formulating a utility (inverse of service delay)…

网络与互联网体系结构 · 计算机科学 2017-10-03 Syed Tamoor-ul-Hassan , Sumudu Samarakoon , Mehdi Bennis , Matti Latva-aho , Choong-Seong Hong

In this paper, a balanced energy consumption clustering algorithm (BECC) is proposed. This new scheme is a cluster-based algorithm designed for heterogeneous energy wireless sensor networks. A polarized energy factor is introduced to adjust…

信号处理 · 电气工程与系统科学 2019-01-17 Xiaofu Ma , Yu Fang , Xingzhen Bai

In this work, we propose a content caching and delivery strategy to maximize throughput capacity in cache-enabled wireless networks. To this end, efficient betweenness (EB), which indicates the ratio of content delivery paths passing…

信息论 · 计算机科学 2020-05-11 Chenxi Zhao , Junyu Liu , Min Sheng , Yanpeng Dai

With the growing demand for latency-critical and computation-intensive Internet of Things (IoT) services, the IoT-oriented network architecture, mobile edge computing (MEC), has emerged as a promising technique to reinforce the computation…

信息论 · 计算机科学 2022-08-09 Jiechen Chen , Hong Xing , Xiaohui Lin , Arumugam Nallanathan , Suzhi Bi