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As wireless services and applications become more sophisticated and require faster and higher-capacity networks, there is a need for an efficient management of the execution of increasingly complex tasks based on the requirements of each…

分布式、并行与集群计算 · 计算机科学 2020-07-22 Jungyeon Baek , Georges Kaddoum

As mobile edge computing (MEC) finds widespread use for relieving the computational burden of compute- and interaction-intensive applications on end user devices, understanding the resulting delay and cost performance is drawing significant…

网络与互联网体系结构 · 计算机科学 2022-04-21 Yang Cai , Jaime Llorca , Antonia M. Tulino , Andreas F. Molisch

Mobile edge computing (MEC) has recently emerged as a promising technology to release the tension between computation-intensive applications and resource-limited mobile terminals (MTs). In this paper, we study the delay-optimal computation…

信号处理 · 电气工程与系统科学 2019-06-25 Xianling Meng , Wei Wang , Yitu Wang , Vincent K. N. Lau , Zhaoyang Zhang

This paper considers the support of grant-free massive access and solves the challenge of active user detection and channel estimation in the case of a massive number of users. By exploiting the sparsity of user activities, the concerned…

信息论 · 计算机科学 2020-02-10 Malong Ke , Zhen Gao , Yongpeng Wu

In the Cloud Radio Access Network (C-RAN) architecture, the baseband signals from multiple remote radio heads are processed in a centralized baseband unit (BBU) pool. This architecture allows network operators to adapt the BBU's…

信息论 · 计算机科学 2017-03-16 Anders E. Kalør , Mauricio I. Agurto , Nuno K. Pratas , Jimmy J. Nielsen , Petar Popovski

Cloud radio access network (C-RAN) has emerged as a potential candidate of the next generation access network technology to address the increasing mobile traffic, while mobile cloud computing (MCC) offers a prospective solution to the…

网络与互联网体系结构 · 计算机科学 2016-11-17 Kezhi Wang , Kun Yang , Chathura Sarathchandra Magurawalage

Centralized radio access network architectures consolidate the baseband operation towards a cloud-based platform, thereby allowing for efficient utilization of computing assets, effective inter-cell coordination, and exploitation of global…

网络与互联网体系结构 · 计算机科学 2014-07-09 Matthew C. Valenti , Salvatore Talarico , Peter Rost

Vehicular fog computing (VFC) has emerged as a promising paradigm, which leverages the idle computational resources of nearby fog vehicles (FVs) to complement the computing capabilities of conventional vehicular edge computing. However,…

网络与互联网体系结构 · 计算机科学 2025-10-31 Geng Sun , Siyi Chen , Zemin Sun , Long He , Jiacheng Wang , Dusit Niyato , Zhu Han , Dong In Kim

The emergence of 5G networks has enabled the deployment of a two-tier edge and vehicular-fog network. It comprises Multi-access Edge Computing (MEC) and Vehicular-Fogs (VFs), strategically positioned closer to Internet of Things (IoT)…

网络与互联网体系结构 · 计算机科学 2024-04-22 Frezer Guteta Wakgra , Binayak Kar , Seifu Birhanu Tadele , Shan-Hsiang Shen , Asif Uddin Khan

Multi-access edge computing (MEC) can enhance the computing capability of mobile devices, while non-orthogonal multiple access (NOMA) can provide high data rates. Combining these two strategies can effectively benefit the network with…

信号处理 · 电气工程与系统科学 2020-09-15 Fang Fang , Yanqing Xu , Zhiguo Ding , Chao Shen , Mugen Peng , George K. Karagiannidis

Fog computing has emerged as a computing paradigm aimed at addressing the issues of latency, bandwidth and privacy when mobile devices are communicating with remote cloud services. The concept is to offload compute services closer to the…

分布式、并行与集群计算 · 计算机科学 2020-02-14 Ayesha Abdul Majeed , Peter Kilpatrick , Ivor Spence , Blesson Varghese

Due to the limited computing resources of swarm of drones, it is difficult to handle computation-intensive tasks locally, hence the cloud based computation offloading is widely adopted. However, for the business which requires low latency…

分布式、并行与集群计算 · 计算机科学 2022-03-23 Xiangwang Hou , Zhiyuan Ren , Wenchi Cheng , Chen Chen , Hailin Zhang

Over the last few years, Cloud Radio Access Network (C-RAN) has arisen as a transformative architecture for 5G cellular networks that brings the flexibility and agility of cloud computing to wireless communications. At the same time,…

信息论 · 计算机科学 2017-04-11 Tuyen X. Tran , Abolfazl Hajisami , Dario Pompili

In this paper, we investigate the downlink transmission for cache-enabled fog radio access networks aiming at maximizing the delivery rate under the constraints of fronthaul capacity, maximum transmit power, and size of files. To reduce the…

信息论 · 计算机科学 2018-09-05 Shiwen He , Chenhao Qi , Yongming Huang , Qi Hou , Arumugam Nallanathan

The device-to-device communication-aided fog radio access network, referred to as \textit{D2D-aided F-RAN}, takes advantage of caching at enhanced remote radio heads (eRRHs) and D2D proximity for improved system performance. For D2D-aided…

信息论 · 计算机科学 2020-07-10 Mohammed S. Al-Abiad , Md. Jahangir Hossain

Mobile Edge Computing (MEC) pushes computing functionalities away from the centralized cloud to the network edge, thereby meeting the latency requirements of many emerging mobile applications and saving backhaul network bandwidth. Although…

分布式、并行与集群计算 · 计算机科学 2018-01-19 Jie Xu , Lixing Chen , Pan Zhou

In the context of fog computing, we consider a simple case when data centers are installed at the edge of the network and assume that if a request arrives at an overloaded data center, then it is forwarded to a neighboring data center with…

网络与互联网体系结构 · 计算机科学 2016-06-03 Christine Fricker , Fabrice Guillemin , Philippe Robert , Guilherme Thompson

This paper considers the power-efficient resource allocation problem in a cloud radio access network (C-RAN). The C-RAN architecture consists of a set of base-band units (BBUs) which are connected to a set of radio remote heads (RRHs)…

信号处理 · 电气工程与系统科学 2019-08-22 Nahid Amani , Saeedeh Parsaeefard , Hassan Taheri , Hossein Pedram

In this work, we consider a Fog Radio Access Network (F-RAN) system with a partially connected wireless topology and no channel state information available at the cloud and Edge Nodes (ENs). An F-RAN consists of ENs that are equipped with…

信息论 · 计算机科学 2019-12-20 Wei-Ting Chang , Ravi Tandon , Osvaldo Simeone

Unmanned aerial vehicles (UAVs) play an increasingly important role in assisting fast-response post-disaster rescue due to their fast deployment, flexible mobility, and low cost. However, UAVs face the challenges of limited battery capacity…

信号处理 · 电气工程与系统科学 2023-10-09 Geng Sun , Long He , Zemin Sun , Qingqing Wu , Shuang Liang , Jiahui Li , Dusit Niyato , Victor C. M. Leung