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Cooperative beamforming across access points (APs) and fronthaul quantization strategies are essential for cloud radio access network (C-RAN) systems. The nonconvexity of the C-RAN optimization problems, which is stemmed from per-AP power…

信号处理 · 电气工程与系统科学 2021-07-07 Daesung Yu , Hoon Lee , Seok-Hwan Park , Seung-Eun Hong

This work studies the joint design of cloud and edge processing for the downlink of a fog radio access network (F-RAN). In an F-RAN, as in cloud-RAN (C-RAN), a baseband processing unit (BBU) can perform joint baseband processing on behalf…

信息论 · 计算机科学 2016-01-12 Seok-Hwan Park , Osvaldo Simeone , Shlomo Shamai

Fog radio access networks (F-RANs) are seen as potential architectures to support services of internet of things by leveraging edge caching and edge computing. However, current works studying resource management in F-RANs mainly consider a…

网络与互联网体系结构 · 计算机科学 2018-09-18 Yaohua Sun , Mugen Peng , Shiwen Mao

This paper studies task-oriented edge networks where multiple edge internet-of-things nodes execute machine learning tasks with the help of powerful deep neural networks (DNNs) at a network cloud. Separate edge nodes (ENs) result in a…

信息论 · 计算机科学 2023-12-05 Hoon Lee , Seung-Wook Kim

In a Fog Radio Access Network (F-RAN), the cloud processor (CP) collects channel state information (CSI) from the edge nodes (ENs) over fronthaul links. As a result, the CSI at the cloud is generally affected by an error due to outdating.…

信息论 · 计算机科学 2018-05-28 Jingjing Zhang , Osvaldo Simeone

Fog Radio Access Network (F-RAN) exploits cached contents at edge nodes (ENs) and fronthaul connection to the cloud for content delivery. Assuming dedicated fronthaul links between cloud and each EN, previous works focused on analyses of…

信息论 · 计算机科学 2020-06-15 Seyyed Mohammadreza Azimi

This paper aims to characterize the synergy of distributed caching and wireless fronthaul in a fog radio access network (Fog-RAN) where all edge nodes (ENs) and user equipments (UEs) have a local cache and store contents independently at…

信息论 · 计算机科学 2018-05-10 Fan Xu , Meixia Tao

Mobile cloud and edge computing protocols make it possible to offer computationally heavy applications to mobile devices via computational offloading from devices to nearby edge servers or more powerful, but remote, cloud servers. Previous…

信号处理 · 电气工程与系统科学 2021-03-31 Seok-Hwan Park , Seongah Jeong , Jinyeop Na , Osvaldo Simeone , Shlomo Shamai

Offloading computation-intensive tasks to edge clouds has become an efficient way to support resource constraint edge devices. However, task offloading delay is an issue largely due to the networks with limited capacities between edge…

网络与互联网体系结构 · 计算机科学 2023-08-15 Anselme Ndikumana , Kim Khoa Nguyen , Mohamed Cheriet

As a promising paradigm for fifth generation (5G) wireless communication systems, cloud radio access networks (C-RANs) have been shown to reduce both capital and operating expenditures, as well as to provide high spectral efficiency (SE)…

信息论 · 计算机科学 2016-11-15 M. Peng , C. Wang , V. Lau , H. V. Poor

In this paper, cooperative edge caching problem is studied in fog radio access networks (F-RANs). Given the non-deterministic polynomial hard (NP-hard) property of the problem, a dueling deep Q network (Dueling DQN) based caching update…

信号处理 · 电气工程与系统科学 2022-06-24 Yanxiang Jiang , Min Zhang , Fu-Chun Zheng , Yan Chen , Mehdi Bennis , Xiaohu You

A fog computing based radio access network (F-RAN) is presented in this article as a promising paradigm for the fifth generation (5G) wireless communication system to provide high spectral and energy efficiency. The core idea is to take…

信息论 · 计算机科学 2016-11-17 Mugen Peng , Shi Yan , Kecheng Zhang , Chonggang Wang

Centralized coded caching and delivery is studied for a partially-connected fog radio access network (F-RAN), whereby a set of H edge nodes (ENs) (without caches), connected to a cloud server via orthogonal fronthaul links, serve K users…

信息论 · 计算机科学 2018-02-27 Ahmed Roushdy , Abolfazl Seyed Motahari , Mohammed Nafie , Deniz Gunduz

Fog-aided network architectures for 5G systems encompass wireless edge nodes, referred to as remote radio systems (RRSs), as well as remote cloud center (RCC) processors, which are connected to the RRSs via a fronthaul access network. RRSs…

信息论 · 计算机科学 2017-06-23 Jinkyu Kang , Osvaldo Simeone , Joonhyuk Kang , Shlomo Shamai

A Fog radio access network is considered as a network architecture candidate to meet the soaring demand in terms of reliability, spectral efficiency, and latency in next generation wireless networks. This architecture combines the benefits…

信息论 · 计算机科学 2017-06-26 Jaber Kakar , Soheil Gherekhloo , Aydin Sezgin

Fog Radio Access Network (F-RAN) architectures can leverage both cloud processing and edge caching for content delivery to the users. To this end, F-RAN utilizes caches at the edge nodes (ENs) and fronthaul links connecting a cloud…

信息论 · 计算机科学 2018-04-25 Seyyed Mohammadreza Azimi , Osvaldo Simeone , Avik Sengupta , Ravi Tandon

This paper considers the uplink of a cloud radio access network (C-RAN) comprised of several multi-antenna remote radio units (RUs) which send the data that they received from multiple mobile users (MUs) to a central unit (CU) via a…

信息论 · 计算机科学 2017-04-20 Marzieh Najafi , Vahid Jamali , Derrick Wing Kwan Ng , Robert Schober

This work studies the advantages of coded multicasting for the downlink of a Fog Radio Access Network (F-RAN) system equipped with a multicast fronthaul link. In this system, a control unit (CU) in the baseband processing unit (BBU) pool is…

信息论 · 计算机科学 2017-05-12 Seok-Hwan Park , Osvaldo Simeone , Wonju Lee , Shlomo Shamai

The fog-radio-access-network (F-RAN) has been proposed to address the strict latency requirements, which offloads computation tasks generated in user equipments (UEs) to the edge to reduce the processing latency. However, it incorporates…

信号处理 · 电气工程与系统科学 2022-07-04 Haonan Hu , Yan Jiang , Jiliang Zhang , Yanan Zheng , Qianbin Chen , Jie Zhang

The gains afforded by cloud radio access network (C-RAN) in terms of savings in capital and operating expenses, flexibility, interference management and network densification rely on the presence of high-capacity low-latency fronthaul…

信息论 · 计算机科学 2016-08-29 Osvaldo Simeone , Jinkyu Kang , Joonhyuk Kang , Shlomo Shamai
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