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Due to the explosive growth in multimedia traffic, the scalability of video-on-demand (VoD) services becomes increasingly important. By exploiting the potential cache ability at the client side, the performance of VoD multicast delivery can…

信息论 · 计算机科学 2017-08-11 Hao Feng , Zhiyong Chen , Hui Liu

Mobile edge computing (MEC) has recently become a prevailing technique to alleviate the intensive computation burden in Internet of Things (IoT) networks. However, the limited device battery capacity and stringent spectrum resource…

信息论 · 计算机科学 2021-06-29 Xian Li , Suzhi Bi , Zhi Quan , Hui Wang

With the high flexibility of supporting resource-intensive and time-sensitive applications, unmanned aerial vehicle (UAV)-assisted mobile edge computing (MEC) is proposed as an innovational paradigm to support the mobile users (MUs). As a…

信号处理 · 电气工程与系统科学 2023-02-20 Wenshuai Liu , Bin Li , Wancheng Xie , Yueyue Dai , Zesong Fei

Workplace charging of electric vehicles (EV) from photovoltaic (PV) panels installed on an office building can provide several benefits. This includes the local production and use of PV energy for charging the EV and making use of dynamic…

最优化与控制 · 数学 2017-05-09 Gautham Ram Chandra Mouli , Mahdi Kefayati , Ross Baldick , Pavol Bauer

In this paper, we jointly optimize computation offloading and resource allocation to minimize the weighted sum of energy consumption of all mobile users in a backhaul limited cooperative MEC system with multiple fog servers. Considering the…

分布式、并行与集群计算 · 计算机科学 2019-11-12 Phuong-Duy Nguyen , Vu Nguyen Ha , Long Bao Le

This article proposes an edge content delivery framework (ECD) based on mobile edge computing in the era of Internet of Things (IOT), to alleviate the load of the core network and improve the quality of experience (QoE) of mobile users.…

网络与互联网体系结构 · 计算机科学 2018-05-29 Shangguang Wang , Chuntao Ding , Ning Zhang , Nan Cheng , Jie Huang , Ying Liu

In this paper, a video service enhancement strategy is investigated under an edge-cloud collaboration framework, where video caching and delivery decisions are made in the cloud and edge respectively. We aim to guarantee the user fairness…

多媒体 · 计算机科学 2021-03-24 Dapeng Wu , Ruili Bao , Zhidu Li , Honggang Wang , Ruyan Wang

We propose network coding as an energy efficient data transmission technique in core networks with non-bypass and bypass routing approaches. The improvement in energy efficiency is achieved through reduction in the traffic flows passing…

网络与互联网体系结构 · 计算机科学 2019-08-22 Mohamed Musa , Taisir Elgorashi , Jaafar Elmirghani

In this paper, we investigate maximum distance separable (MDS) codes based group coded caching in fog radio access networks (F-RANs). The goal is to minimize the average fronthaul rate under nonuniform file popularity. Firstly, an MDS codes…

信息论 · 计算机科学 2022-06-24 Qianli Tan , Yanxiang Jiang , Fu-Chun Zheng , Mehdi Bennis , Xiaohu You

Internet video traffic has been been rapidly increasing and is further expected to increase with the emerging 5G applications such as higher definition videos, IoT and augmented/virtual reality applications. As end-users consume video in…

网络与互联网体系结构 · 计算机科学 2019-02-13 Abubakr O. Al-Abbasi , Vaneet Aggarwal , Moo-Ryong Ra

By allowing a mobile device to offload computation-intensive tasks to a base station, mobile edge computing (MEC) is a promising solution for saving the mobile device's energy. In real applications, the offloading may span multiple fading…

信息论 · 计算机科学 2019-04-25 Rongfei Fan , Fudong Li , Song Jin , Gongpu Wang , Hai Jiang , Shaohua Wu

On-demand video accounts for the majority of wireless data traffic. Video distribution schemes based on caching combined with device-to-device (D2D) communications promise order-of-magnitude greater spectral efficiency for video delivery,…

网络与互联网体系结构 · 计算机科学 2019-05-17 Ming-Chun Lee , Mingyue Ji , Andreas F. Molisch , Nishanth Sastry

Cloud providers, like Amazon, offer their data centers' computational and storage capacities for lease to paying customers. High electricity consumption, associated with running a data center, not only reflects on its carbon footprint, but…

分布式、并行与集群计算 · 计算机科学 2011-02-16 Michele Mazzucco , Dmytro Dyachuk , Ralph Deters

This paper focuses on developing energy-efficient online data processing strategy of wireless powered MEC systems under stochastic fading channels. In particular, we consider a hybrid access point (HAP) transmitting RF energy to and…

信息论 · 计算机科学 2021-11-05 Xian Li , Suzhi Bi , Yuan Zheng , Hui Wang

Nowadays, data caching is being used as a high-speed data storage layer in mobile edge computing networks employing flow control methodologies at an exponential rate. This study shows how to discover the best architecture for backhaul…

网络与互联网体系结构 · 计算机科学 2022-11-29 Amir Ziaeddini , Amin Mohajer , Davoud Yousefi , A. Mirzaei , Shu Gonglee

Optical wireless communication (OWC) is a promising technology that can provide high data rates while supporting multiple users. The Optical Wireless (OW) physical layer has been researched extensively, however less work was devoted to…

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…

网络与互联网体系结构 · 计算机科学 2015-03-03 Pavlos Sermpezis , Luigi Vigneri , Thrasyvoulos Spyropoulos

Fog Computing provides computational resources close to the end user, supporting low-latency and high-bandwidth communications. It supports IoT applications, enabling real-time data processing, analytics, and decision-making at the edge of…

分布式、并行与集群计算 · 计算机科学 2024-11-28 Aleteia Araujo , Breno Costa , Joao Bachiega , Leonardo R. Carvalho , Rajkumar Buyya

The Internet of Things (IoT) aims to connect everyday physical objects to the internet. These objects will produce a significant amount of data. The traditional cloud computing architecture aims to process data in the cloud. As a result, a…

网络与互联网体系结构 · 计算机科学 2019-04-02 Badraddin Alturki , Stephan Reiff-Marganiec , Charith Perera , Suparna De

Fixed edge processing has become a key feature of 5G networks, while playing a key role in reducing latency, improving energy efficiency and introducing flexible compute resource utilization on-demand with added cost savings. Autonomous…

网络与互联网体系结构 · 计算机科学 2020-05-12 A. A. Alahmadi , M. O. I. Musa , T. E. H. El-Gorashi , J. M. H. Elmirghani , S. Grant-Muller , D. Hutchison , A. Mauthe , M. Dianati , C. Maple , L. Lefevre , A. Lason